PRJ321-New
13. A discovery file used to locate Web Services would have which extension?
.vdisco
107. The Web component has file with ______ extension. [0.5]
.war
105. The J2EE application deployment descriptor has file with _____ extension. [0.5]
.xml
In what directory shouldn?t you place tag files?
/WEB-INF/
default String s ,, abstract double d ,, double hyperbolic
3 dap an
The code on line 33 executes successfully
3.33 throws, 35 throws, 33 executes
An exception is thrown at runtime
An exception
What are call back methods?
Container calling methods of bean
The __________ meets the low-level run time execution environment required by EJB applications.
Container provider
CMP applications are completely portable.
False
Session beans have a primary key
False
The bean class is different from a Java class
False
The bean class is different from a Java class.
False
The client creates and destroys the bean
False
The client creates and destroys the bean.
False
The client side id more complex than server side
False
When implementing a tag...BodyTagSupport class. Is this statement true of false
False
XML documents can be formatted using text editors.
False
18. Which interface isn't inherited from Collection interface ?
Map
A bean communicates with the outside world through events, generated when the internal state of the bean changes
True
Attribute type can be defined within the individual 'element'.
True
Boxes can be overlapped using the z-index property.
True
CMP's are preferred to BMP's in legacy systems.
True
CMP?s are preferred to BMP?s in legacy systems.
True
Can a transactional context be propagated from client
True
Can a transactional context be propagated from client? Comment
True
If an application supports DOM it is irrelevant whether the program is written in VB or C.
True
If you want the same servlet to handle both GET and POST and to ....
True
In DOM, it is not necessary that an object for a valid node type will always be returned.
True
In JSP model I architecture the presentation logic is taken care by JSPs.
True
Is APIs a Contracts type
True
It is possible to have a property with multiple values
True
JSPs can be deployed on a Web Logic Server.
True
JavaServer Pages (JSP) technology enables you to mix regular, static HTML with dynamically generated content from servlets. You simply write the regular HTML in the normal manner, using familiar Web-page-building tools
True
Standard call back methods to manage an entity bean are a must.
True
Stateful session beans tend to be specific to one scenario. Do you agree with this statement?
True
StringBuffer is slower than a StringBuilder, but a StringBuffer
True
Suppose there are 100 employee details entity beans then there will be 100 unique IDs.
True
Swing components can?t be combine with AWT
True
The 'readyState' property in the DOMDocument Object defines several states that specify the current status of the asynchronous download.
True
The 'xml' property always returns a UNICODE string.
True
The EJB context needs to be queried during security authorization
True
The EJB context needs to be queried during security authorization.
True
The arguments and return type for each method should be serializable
True
The data type date time is written as a String
True
The default value of the order attribute depends on the value of the content attribute.
True
The deployment descriptor is essentially a file
True
The logical structure of XML can be manipulated by XSL
True
The method body of a callback method can be left blank in the bean class.
True
The middleware services are transaction-monitoring services
True
The passivation process is the opposite of the activation process
True
The passivation process is the opposite of the activation process.
True
The root nodes can make multiple appearances in the document.
True
The value of the CSS styling property can be a color value.
True
Transactions are useful for performing persistent operations
True
Transactions are useful for performing persistent operations.
True
XML Schema supports richer data types
True
XML inherited the concepts of DTDs from SGML.
True
XML vocabulary is used for specifying formatting semantics.
True
XSLT and CSS are compatible standards.
True
Xml property of the XMLDOMNode object is a read only property.
True
be 100 unique IDs.
True
Cookies never expire
a. False
Which two are true if a NullPointerException is thrown on line 3 of class C
code on line 29, The exception
The developer needs to be concemed about the OTS
false
Identify the valid font properties and font related options are:
font-variant && font-family
ejbCreate() method of entuty bean class returns ________________
primary key
9. Which method is not defined in Math class ?
println()
you are writing a class that will provide custom deserialization. The class implements java.io.Serializable (not java.io.Externalizable)
private
The __________ is responsible for unicast point-to-point invocation.
remote reference layer
The RMI defines the difference between _______ and _____ objects.
remote/local
The RMI defines the difference between remote and local objects.
remote/local
The RMO defines the difference between __ and __ object
remote/local
109. The ___ method is used to delete an entity bean from presistent store
remove()
The returned value varies depending on the argument
returns 0
10.private int itemld;11.private String name;12.private String description;
setItemld(int itemld)
Which method signature follows the JavaBeans naming standards for modifying the itemld instance variable?
setItemld(int itemld)
The _________ method is used to specify different life spans for a cookie.
setMaxAge(int seconds)
XSL uses XSLT to transform an XML ____________ into an XML _______________.
source tree // result tree
Normally for enclosing a generic term when defining code we use
square brackets
Which is method declared in Runnable method ?
start()
client interaction to entity beans is
synchronous
All immediate child elements of the SOAP Header element MUST be namespace-qualified.
t
'eltOnly' indicates:
the element type can contain only the declared child elements
BigOlLongStringWithMeaninglessName
tick all
import java.io.Serializable;public class MyegPK implements java.io.Serializable
valid
The output: value is 99.99
value is 9.0
11. To which namespace does the Activator class belong?
ystem
The home interface can have __________________________ create method/s and ___________________________ find method/s.
zero or more/one or more
12. What is the SQL wildcard character?
%
25. Which character is not a special character in regular expression.
'@'
Entity beans contain ____________, which is very different from what session beans contain.
--container?managed persistence
Managing threads
--remote instance
Authentication is specified in .....
--web.xml
What is -50 >> 2
-13
range of values that can be assigned to a variable of type short
-215 through 215 - 1
What is -50 >> 1
-25
What is -8 % 5
-3
What is -15 % -10
-5
# See the extract from web.xml below: <servlet-mapping> <servlet-name>ServletA</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>ServletB</servlet-name> <url-pattern>/bservlet.html</url-pattern> </servlet-mapping> <servlet-mapping>
. Servlet A
100. The Java Application has _____ file extension. [0.5]
.class
109. The final J2EE application is a ______ file [0.5]
.ear
106. The Enterprise bean is a file with _____ extension. [0.5]
.xml
Name the location of compiled class files within a war file?
/WEB-INF/classes
Which of the following direcrories are legal locations for the deployment descriptor file? Note that all paths are shown as from the root of the machine or driver.(Choose one.)
/appserverIntallDirectory/webapps/webappName/WEB-INF/xml
44. The features which most J2EE applications have are ______, _______ [1.5]
a) Database Access b) Transaction Management
8. J2EE stands for ________ [0.5]
a) Java 2 Platform Enterprise Edition
11. How many sqlDataReader objects can be open on one Connection at one time?
1
43. The developer faces _______ problem while developing an enterprise application. [1.5]
a) Programming productivity
37. HTTP, HTTPS, JDBC, JTA are ________technologies. [1.5]
a) Service & Communication
14. The middleware services are transaction-monitoring services. [1.0]
a) True
26. Is APIs a Contracts type [1.0]
a) True
17. Mobiles understand ______ [1.0]
a) WML
40. The J2EE platform provides _______ benefits [1.5]
a) simplified architecture & development
What is the result of attempting to access the following JSP page? <html> <body> <%!public String methodA(){ return methodB();} %> <%!public String methodB(){ return "JAD Final Test"; } %> <h2><%= methodA() %></h2> </body> </html>
a. "JAD Final Test" is output to the resultring web page.
Which two are valid representations of operations in UML? (Choose two.)
a. - op(p : P) : P b. + op(param : int) : int
How many sesssion (Http Serverlet Request) time out mechanisms
a. 3
Which syntax is correct for JSP Declarations :
a. <% code %>
Which of the following correctly represents the following JSP statement. Select the one correct answer
a. <jsp: expression>x</jsp: expression>
_______________ sends a request to an object and includes the result in a JSP file.
a. <jsp:include>
Which of the following lines of code are correct?
a. @Entity public class Employees{..}
Which option can be used to predefine Java Persistence queries for easy use?
a. @NamedQuery annotation
If an HTTP client rrequest is NOT authenticated, what is returned by request.getUserPrincipal()?
a. A null
Which statement about threading in Java is false?
a. A thread is a special type of method.
Which is NOT EJB container?
a. Apache Tomcat 5.5
Select the BEST case to Use Entity Beans? (Choose one)
a. At any given time, only one client has access to the bean instance.
The ________ supplies business components,or enterprise beans
a. Bean provider
Which is NOT Enterprise Beans?
a. Business Beans
Which pattern insulates the presentation client code from volatility in business APIs?(Choose one.)
a. Business Delegate
What is the result?
a. Compilation fails.
Which is disadvantage of using JEE ( or J2EE) server-side technologies in a web-based application?
a. Complexity
A ___________________________ in EJB is an object that is deploy on any EJB Server
a. Component
What request header must be set for parameter data to be decoded from a form? (Choose one.)
a. Content-Type: application /x-www-form-urlencoded
Which Java technology provides a unified interface to multiple naming and directory services?
a. EJB
Which type of JEE (or J2EE) component is used to store business data persistently?
a. Entity Bean
Which is the CORRECT statement?
a. Entity beans represent persistent state objects (things that don't go away when the user goes away).
A session bean being used by a client can also be used by another client.
a. False
A stateful session bean must commit a transaction before a business method
a. False
Action <jsp:include> is evaluated once at page translation time.
a. False
Host names are translated into IP addresses by web servers.
a. False
Message-driven beans do not have any return value
a. False
Swing components can't be combine with AWT
a. False
The special directory /WEB-INF/ class contain JAR files with supporting libraries of code
a. False
The specifications set by EJB need NOT match with those of the component interface.
a. False
The two most common HTTP requests are get and put.
a. False
Which of the following methods can be used to add cookies to a servlet reponse?
a. HttpServletResponse.addCookie(Cookie cookie)
The session time-out value is controlled in which way(s)?
a. Individual Session Setting b. Application Server Global Default d. Web Application Default
Identify correct statement about a WAR file.(Choose one)
a. It contains web components such as servlets as well as EJBs.
Which are EJB containers? (choose three)
a. JBoss b. IBM WebSphere c. BEA's WebLogic
______ is a set of java API for executing SQL statements.
a. JDBC
Message-driven beans are clsses that implement 02 interfaces:
a. Javax.ejb.messageDrivenBean b. Javax.jms.MessagerListener
Class implement FIFO queue
a. Link list
3.ejbStore() c. It will destroy data in the database ejbPostCreate() d. It will update the database
1 ? b, 2 ? c, 3 ? d, 4 ? a
char c = ?\u1234?
1 dap an
dbc.drivers=sun.jdbc.odbc.JdbcOdbcDriver
1 is true, 2 is false
jdbc.drivers=sun.jdbc.odbc.JdbcOdbcDriver The above statement 1load. 2 unload
1 is true, 2 is false
Which services are the container provided?
1,2,3
Match the following 1.Bean provider and deploys them
1-b,2-d,3-a,4-c
Consider the following declarations:
1.
An enum definition should declare that it extends java.lang.Enum
2.contain public, private
What interfaces can be implemented in order to create a class that can be serialized
2.dai nhat, ngan nhat
int x = 6; if (!(x > 3))
2.dai nhat, x = ~x
Which statements about JDBC are NOT true
2.database system, DBMS
String s = ?123456789?; s = (s-?123?).replace(1,3,?24?) - ?89?
2.delete(4,6), delete(2,5).insert( 1, ?24?)
double d = 1.2d5
2.double d = 1.2d, 1.2D
for( int i=0; i< x.length; i++ ) System.out.println(x[i])
2.for(int z : x), dai nhat
int[] ages = { 9, 41, 49 }; int sum = 0
2.i<ages.length, for (int i:ages)
Line 46 will compile if enclosed in a try block, where TestException is caught
2.if the enclosing, is caught
int d = 0XABCD
2.int c = 0xabcd, dai nhat
java -ea test file1 file2
2.java -ea test, dai nhat
command line on a Windows system
2.must contain the statement, the file
Which methods return an enum constant?s name
2.name(), toString()
Test t = (new Base()).new Test(1)
2.new Test(1), new Test(1, 2)
String x = "Hello"; int y = 9; if (x == y)
2.ngan nhat, x=x+y
Suppose class Supe, in package packagea, has a method called doSomething(). Suppose class Subby, in package packageb, overrides doSomething()
2.public, protected
class bbb.Bbb, which extends aaa.AAA, wants to override callMe(). Which access modes for callMe() in aaa.AAA will allow this
2.public, protected
protected double getSalesAmount() { return 1230.45; }
2.public, protected
int[] x = new int[25]
2.x[24]=0, x.length is 25
Rearrange the orderly steps in Object Relational Mapping
2134
What is 7 % -4
3
What is 7 % -4?
3
how many sesssion (http serverlet request) time out mechanisms
3
NUTMEG, CINNAMON, CORIANDER, ROSEMARY
3.Spice sp, Spice, String
Lemon lem = new Lemon(); Citrus cit = new Citrus()
3.cit = lem, cit=(Citrus), lem=(lemon)
int MY_VALUE = 10
3.final, static, public
How many bits does a float contain
32
The Automicity, Consistency, Isolation, Durability represents____
ACID
Transactions should ideally have____
ACID properties
The person deploying the bean specifies the __ for that bean for better__
ACL?s/security
The JSP document syntax provides replacements <isp:include ...> with __
<jsp:directive.include>
The JSP document systax provides replacements <jsp:include?> with <jsp:directive.include?../>
<jsp:directive.include?../>
The JSP document syntax provides replacements <jsp:include ...> with <>
<jsp:directiveinclude ..../>
A bean with a property color is loaded using the following statement
<jsp:setProperty name="fruit" property="color" value="white"/>
Which deployment descriptor element is used to specify a ServletContext-Listener?
<listener>
Given a tag declared ... "mytags." (Choose three.)
<mytags:book isbn="${isbn}" />+<mytags:book isbn="1861979258" /> +<mytags:book isbn="${isbn}">Some default text if book not found</mytags: book>
What are the don'ts while using stateful session beans?
Always keep the conversation long.
passed An AssertionException is thrown without the word ?stuff? added to the stack trace
An AssertionError...with the
Prefix is:
An alias selected by a document author
Select the correct JMS programming model
a. Locate the JMS Driver ->Create a JMS connection ->Create a JMS session ->Create a JMS producer or a JMS consumer -> Send or receive message
Which statement is correct about Message-Driven Beans?(Choose one)
a. Message-Driven Beans stateless
A ____ dialogs prevent user input in the other windows in the application unit dialog is close
a. Modal
Which of the patterns below will defi nitely reduce the lines of code in an application? (Choose one.)
a. None of the above
Which component can use a container-managed entity manager with an extended persistent context?
a. Only stateful session beans
Which HTTP method is used in FORM based Authentication?
a. POST
Which is NOT a basic messaging model in message dreiven bean?
a. Place-to-place
Which act as a proxy to an EJB?
a. Remote instance
Create() method of entity home interface returns ________
a. Remote object
Every method of the remote interface must throw a ___________________
a. RemoteException
Which interface you CANNOT use to obtain a RequestDispatcher Object?
a. ServletContext
A ____________ is a group of operations, which appear as one large operation during execution.
a. Transaction
GET requests and POST requests can both be used to send form data to a web server.
a. True
Message-Driven Bean does not have a home interface, local home interface, remote interface, or a local interface.
a. True
Objects with application scope are part of a particular Web application.
a. True
Servlet methods are executed automatically.
a. True
The HttpSession method getAttribute returns the object associated with a particular name.
a. True
The path in a URL typically specifies a resource's exact location on the server.
a. True
The properties that characterize transactions are known as ACID properties.
a. True
http Sesision object live on the server
a. True
JDBC supports ______ and ______ models.
a. Two-tier and three-tier
What?s directory of a Web Application that developer must copy *.class?
a. WEB-INF/classes
Under what circumstances will a servlet instance's destroy() method never be called? (Choose two.)
a. When init() has not run to completion successfully b. After destroy() has already been called
Deployment properties are stored in a _______________________ file.
a. XML
Which is NOT provided by the EJB tier in a multitier JEE (J2EE) application?
a. XML Parsing
Entity bean is ______
a. a persistent data component
Which is NOT a scope of implicit objects of JSP file?
a. application
Choose three correct statements in JDBC
a. getObject b. getText c. getInt d. getString
A web application is located in "helloapp" directory. Which directory should it's deployment descriptor be in?
a. helloapp/WEB-INF
___________________ includes a static file in a JSP file, parsing the file's JSP elements
a. include directive
Message-driven beans are classes that implement 2 interfaces :
a. javax.ejb.MessageDrivenBean b. javax.jms.MessageListener
Session bean implements ___ interface.
a. javax.ejb.SessionBean
Which statement is true about EJB 3.0 containers?
a. javax.naming.initialContext is guaranteed to provide a JNDI name space
________ is the well-known host name that refers to your own computer.
a. localhost
create() method of entity home interface returns _________
a. null
Name the default value of the scope atribute of <jsp:usebean>.
a. page
ejbCreate() method of entity bean class returns ______
a. primary key
JavaBeans component has the following field:
a. public void set Enabled(boolean enabled) public boolean getEnabled()
Which is NOT a core component of JSP?
a. scriptlets
A custom tag can be nested inside another custom tag.
a. true
Authentication is specified in .....
a. web.config
The JVM runs until there is only one non-daemon thread
are no non-daemon
6. To debug an ASP.NET application, you need to attach to which process?
aspnet_wp.exe
8. What sentence best describes loosely coupled components?
asynchronous
The 'attribute' element declares a/an __________ for an element type.
attribute
No output because of compile error at line: System.out.println("b="+b)
b = b * b1
8. Given the following java code fragment . Choose invalid code line. Integer a = new Integer(10); int b = 10;
b = null;
The output: b contains 250
b contains 5
6. The Atomicity, Consistency, Isolation, Durability represents ______ property.
b) ACID
19. Transactions should ideally have _________ [1.0]
b) ACID properties
23. EJB stands for ______ [1.0]
b) Enterprise JavaBeans
12. J2EE is platform-dependent [0.5]
b) False
3. J2EE is a kind of Technology [0.5]
b) False
35. The advent of B2B led to __________ [1.5]
b) Inter- organization communication
1. Business logic is placed in _________ [0.5]
b) Middle-tier
#URL referring to databases use the form:
b)jdbc:odbc:datasoursename
Can we use the annotation @PrePassivate for more than one method in a Entity bean?
b. No
Which is true about JDBC?
b. The JDBC API is included in J2SE
The finder method in home interface of EJB must start with ?
b. ejbFindBy
What should be the value of <body-content> subelement of element <tag> in a TLD file if the tag should not have any contents as its body?
b. empty
2 Which methods return an enum constant's name?
b. toString()//c. name()
SOAP messages may
be bound with HTTP as underlying protocol.
3. Which XML rule does the following break? <employees> <Employee> <name>Kenneth S. Lind</name> </Employee> <employee> <name>Marj Rempel </employee> </employees>
be matching opening and closing tags.
which satatement is true about both stateless session beans about bean instances
bean instances are NOT require to survive container crashes
59. The presentation layer is partitioned into _______ and ______. [0.5]
client tier // d) Server side tier
The access control does not take care of
client's identities
collie
collie harrier
73. Different types of n-tier systems are : [1.0]
component
Once the bean instance is associate with the ejb Object the ___ is called
ejsPostCreate()
Servlets generally use ServletOutputStream to write text data to the response
false
Compilation of class A will fail. Compilation of class B will succeed
B fail, A succeed
force garbage collection by calling System.gc().
B. False
What are different between bean managed persistent (BMP) and container managed persistence (CMP)?
BMP offers a lot more flexibility than CMP
In ejb-jar.xml file. <persistence-type> element value is ________________
Bean or Container
The _________________ supplies business components, of enterprise beans
Bean provider
133. The container may not call the ejbRemove() method. Why?
Becase of a container crash
Study the statements:1) URL rewriting may be used when a browser is disabled cookies. 2) In URL encoding the session id is included as part of the URL.
Both 1 and 2 are true
101. The statement javax.ejb.Enterprisebean extends java.io.Serializable signifiles:
Both a and b
The statement javax.ejb.Enterprisebean extends java.io.Serializable signifies:
Both a and b
The getStringException() method throws SQLException when a database access error occurs
false
an object with page scope exists in every jsp of a particular web app
false
139. The client creates and destroys the bean
false;
In order for objects in a List to be sorted, those objects must implement which interface and method
Comparable...compareTo
14. What control is used to validate that two fields are equal?
CompareValidator
An exception is thrown at runtime
Compilation fails
NullPointerException
Compilation fails
The value of all four objects prints in natural order
Compilation fails...line 29
How do the imports affect the time required to compile the source file
Compilation takes slightly more time
66. Containers provides run time environment for ______. [0.5]
Components
80. The three main units of J2EE are: [1.0]
Components Containers Connectors
116. Deploying an application involves two tasks : (choose two) [1.0]
Configuration
The features which most J2EE applications have are
Database Access;Transaction Management
Components are automatically listed in Declarative transactions.
Declarative
Components are automatically listed in ________________________ transactions.
Declarative
Components are automatically listed in__transactions
Declarative
How many way do the security mechanism is implemented?
Declarative and Programmatically
The two ways of performing authorization are Declarative and programmatic.
Declarative/programmatic
The two ways of performing authorization are__and__
Declarative/programmatic
Assertions are used to enforce all but which
Exceptions
82. T<?xml version="1.0"?><script><![CDATA[function matchwo(a,b){if (a < b && a < 0) then
Executes without any error
Session persistence can be used for storing long-term data between sessions
False
Stateless session beans are dedicated to one client.
False
Stub file resides on the server. State whether the statement is true or false
False
Swing components can?t be combine with AWT
False
The EJB deployer is unaware of the operational environments
False
The J2EE platform does not contain middleware services.
False
The client side is more complex than the server side
False
The contet in EJB found only in ENtity beans
False
The context in EJB is found only in Entity beans.
False
The developer needs to be concerned about the OTS
False
The developer needs to be concerned about the OTS.
False
The ejbActivate() method is called during a transaction
False
The ejbActivate() method is called during a transaction.
False
The jdbc classes are present in the java.lang package
False
There are multiple ways to persist entity beans.
False
Universal resource identifier represents a directory structure.
False
XML schema documents require the learning of cryptic languages like EBNF.
False
response.getWriter() method can be used within a JSP page.
False
The _________________________ interface needs to be implemented to be able to write an entity bean class.
javax.ejb.EntityBean
the interface __ intersace is implemented in the bean class along with other methods
javax.ejb.SessionSynchronization
which statement is true about EJB 3.0 containers
javax.naming.intialContext
The implicit variable config in a JSP page refers to an object of type:
javax.servlet.ServletConfig
JSPs or servlets can manipulate cookies using the _______________ class.
javax.servlets.http.Cookie
URL referring to databases use the form:
jdbc:odbc:datasoursename
which is true about jee(or j2ee)
jee includes servlet apis and ejb apis
which statement is not true
jms does not depend on mom
Which tag file action processes JspFragments in tag attributes?
jsp:invoke
The ________ action is used to associate a JavaBean in JSP.
jsp:useBean
4. True or False. XML Transformations can be used to create a form letter.
False.
The Javax Servlet Package contains classes to support
Generic Protocol Independent Servlets
con=DriverManager.getConnection(?jdbc:odbc: Employee?,? ?,? ?); What does the above statement do
Gets a database connection with the Employee data source.
Which is not a valid scope for Java bean in JSP?
Global.
8. What namespace contains the CultureInfo class?
Globalization
Applets are__
Graphical clients that normally execute within a web browser
158. ______ is an Object Request Broker available with JDK1.2 [1.5]
Java IDL
The Java IDL is an implementation of CORBA.
Java IDL
The ___________ is an implementation of CORBA.
Java IDL
The ______________ is an implementation of CORBA.
Java IDL
The__ is an implementation of CORBA
Java IDL
__ are used server-wide and have to be present
Java Naming & Directory Interface services
141. JSP stands for ________ [1.0]
Java Server Pages
JSP
Java Server Pages All cosmetic changes are done in JSPs
13. What object would you use if you need to support Netscape Navigator and Microsoft Internet Explorer?
Java applet
The rules for the conversational state are put forward by ______________________.
Java object serialization.
The _________ package implements the Tag interface
Javax.servlets.jsp.tagtext
4. The used in JavaServer Pages are
Jsp:useBean Jsp:setProperty Jsp:getProperty
Which object does a SimpleTag tag handler use to access implicit variables?
JspContext
The ________ represents a generic exception for the JSP packages
JspException
Which type of object is returned by JspContext.getOut()?
JspWriter
Four different types of JDBC drivers as specified by Sun are:
Ko phai JDBC protocol API driver
Match the following directory services
LDAP-Netscape,NDS-Novell,NIS-SUN OS
Match the following directory services: LDAP:Netscape-NDS:Novell- NIS:SUN OS
LDAP-Netscapte|NDS-Novell|NIS-SunOS
System.out.println(a.doit(4, 5))
Line 26 prints a to System.out
2. Which line causes a compile error in the following code? 1. interface Test22. {3. int Int2;4. void Method2A(int);5. string Method2B ();6. int Method2C(int, int);7. int Method2A(char);
Line 3
String s2 = "xyz"
Line 4, Line 6
Float floater = new Float(3.14f)
Line 6
String s2 = new String("xyz")
Line 6
String s2 = new String(s1)
Line 6
The Point class cannot be instatiated at line 15
Line.Point p = new Line.Point()
A model applied to static document objects is:
Linear Model
Class implement FIFO queue
Link list
class is used to implement a pull-down menu that provides a number of items to select from
Menu
Which is the BEST case use Container-managed persistent (CMP)?
Message-Driven Beans stateless
138. MOM stands for __________ [0.5]
Message-Oriented Middleware
What are call back methods?
Methods representing business logic.
Connection pooling and security management are examples of
Middleware
Connection pooling and security management are examples of _____________.
Middleware
129. _______ allows the client interact with the business components [0.5]
Middleware technologies
JSP Model II architecture follows the ____________ pattern
Model-View-Controller
MVC is short call of
Model-View-Controller
Consider the following code fragment Marks: 1 - Java Bean code package sample.web
Msg: 123-4
___________________ EJB class/es may be installed on a single container.
Multiple
Threads are implemented in Java with the Thread class in the ?????????.
Multitasking
some JDBC drivers?
MySQL driver, Oracle driver, SQLServer driver
The __________ uses local native libraries to communicate with the database
Native-API-Partly-Java Driver
Nav.Direction d = Nav.Direction.NORTH
Nav.Direction.NORTH
To run the client, the server __
Needs to be started before we run the client
negative byte is cast to a long
Negative
4. What is the default language for the fallback culture?
Neutral.
ob1 == ob2
No
How many locks does an object have
One
The ejbCreate() method should have ___________________ which must ___________ the create() method in the home interface.
Parameters/match
2. What namespace contains the ResourceManager class?
Resources
What code at line 3 produces the following output
String delim = ?\\d+?
Stringent isolation levels ensure low levels of performance, whereas loose isolation levels lead to high performance.
Stringent/loose
__isolation levels ensure low levels of performance,whereas__isolation levels lead to high performance
Stringent/loose
In order to format an XML document we combine it with a
Style sheet
101
Switching Protocols Server will comply with Upgrade header and change to different protocol. (New in HTTP 1.1)
Client interaction to entity beans is :
Synchronous
Swing components cannot be combined with AWT components
T
The code in an individual ejb component can be modified whith out requiring a change
T
after execution of line 1, sbuf references an instance of the StringBuffer class. After execution of line 2, sbuf still references the same instance
T
JSP is used for creating dynamic web pages using pure Java codes embedded as
Scriptlets User-defined tags HTML tags
156. ______ forms the basic communication language over the internet [1.5]
TCP/IP
3. What important standard is used to connect client browsers with web servers?
TCP/IP
Name the http method that sends the same response as the request.
TRACE method
The dirty read problem is solved by the__mode
TRANSACTION_READ_COMMITTED
The__mode offers performance at the highest level
TRANSACTION_READ_UNCOMMITTED
What are different transaction isolation levels set during deployment
TRANSACTION_READ_UNCOMMITTED
What are the different Transaction isolation levels set during deployment?
TRANSACTION_READ_UNCOMMITTED
Which transaction attribute cannot be set while deployment
TX_NOT_REQUIRED
2. What type of commands can you create?
TableDirect.
Which tag file directive makes it possible to process dynamic attributes?
Tag
Which attribute of <c:if> specifies the conditional expression?
Test
The transaction coordinator asks each transaction manager to commit
The..will?Each of..?Each transaction..?The..asks
The transaction coordinator will send a prepare to commit message to every transaction manager that is involved
The..will?Each of..?Each transaction..?The..asks
Match the following directory services: LDAP:Netscape-NDS:Novell- NIS:SUN OS
Theo th? t? tr?n
How can you ensure that multithreaded code does not deadlock
There is no single
134. SSL stands for ________ protocol. [0.5]
Secure Socket Layer
An XML Schema allows you to specify an element as an integer, a float, a Boolean, a URL, etc.
True
An application that requires any restructuring or redeployment to scale will impede growth
True
Assigning a style to a tag helps the user agent to interpret the data following specific rules.
True
Constant storage can be done on a file
True
Constant storage can be done on a file.
True
Distributed flat transactions allow multiple application servers to collaborate under one transactional cover
True
Element inheritance uses an object-oriented approach to support relationships between elements.
True
HttpSession objects have a built-in data structure that lets ... values
True
Message-driven beans do not have any return value.
True
Object-Relational mapping is more sophisticated than Java serialization.
True
Remote objects are always referenced through an interface
True
Remote objects are always referenced through an interface.
True
Servlets & JavaServer Pages enable dynamic content in HTML, XML
True
Servlets are programs that run on a Web server, acting as a middle layer between ... HTTP server
True
Session death can come about through an explicit call(in servlet) to http session invalidate()
True
Setting isThreadSafe to false consumes additional memory And can cause performance to degrade.
True
Socket communication is ideal for exchanging files or small amounts of data.
True
The formatting components of XSL are not supported by IE5.
True
There is an increased chance of losing conversations while using stateless session beans
True
To use the data type namespace in a schema, it must be declared within the Schema element.
True
remote object are always referenced through an interface
True
Bytecode characters are all 16 bits
Unicode characters
In CSS, separation of multiple value combinations is by using a:
Semi-colon
8. What is required in order to be able to install and use SSL on a web server?
Server certificate.
Which role in EJB architecture is responsible for EJB Server?
Server provider
140. Servlets are ______ programs [1.0]
Server side
__ enhances reusability and portability
Server-side component architecture
Server-side component architecture enhances reusability and portability.
Server-side component architecture.
___________________ enhances reusability and portability.
Server-side component architecture.
______________________________________ enhances reusability and portability.
Server-side component architecture.
HTTP,HTTPS,JDBC,JTA are__technologies
Service & Communication
operations required by the application. [1.0]
Service Layer
10. A Windows service must inherit from which class?
ServiceBase
15. Which attribute must be added to create an exposed web service method?
Services.WebMethod]
Which sub-element is used to define a logical name of servlet in web deployment descriptor?
Servlet-Name
126. The WAR file consists of : (choose three ) [1.5]
Servlets// .gif file // tag libraries
160. The two types of Enterprise beans are ______ & ______ [1.5]
Session bean //Entity bean
The life of a/an__is comparatively smaller than that of a/an__
Session bean/entity bean
The concept of maintaining a state between different requests is known as ____________
Session tracking
Circle c = new Circle(); c.Shape.setAnchor(10,10); c.Shape.draw()
Shape s = new Circle...s.draw()
11. Which line of code must be added in order to show a StatusBar?
Show = true;
Select INCORRECT statement about serialization
When an Object Output
2. When will the garbage collector run?
When the application is low on memory.
<%! int count=10 ctr=20%> What does the above statement do?
Will result in an error
3. Which project template will allow you to create a background service in Visual Studio .NET?
Windows service.
15. In which namespace would you find the class Application?
Windows.Forms
The full form of WML is___
Wireless Markup Language
While defining the bean class, are the following statements valid:public void ejbActivate();{}public void ejbPassivate();{}public void ejbRemove();{}
Yes?they are valid
Entity bean is ______
[A] a persistent data component
1. Where should a web service proxy file be located?
\bin application.
Every time a request is received by the JSP container the ________ method generated by it is invoked
_jspService() & _jspRequest()
9 U07-Q001 The ______ JDBC driver uses network protocol to middle tier to access a specific network database.
a Type 3 X
The 'appendChild()' method of the DOMDocument Object adds:
a new node
Entity bean is ______
a persistent data compone]nt
Entity bean is ______
a persistent data component
Object ob2= ob1
ob1 equals ob2, ob1==ob2
Syntax for createNode Method is:
objNode=oDocument.createNode(Type,name,namespaceURI)
181. in ____ Java objects are stored as whole objects
object database management
188. The fields of an object are mapped to a relational database in __ mapping
object-relational
A primary key is a/an ___ consisting of 'n' number of ___
object/objects
A primary key is a/an _______consisting of 'n'number of _______________.
object/objects
In XSL the different source elements are separated by a:
pipe-stem
101. The J2EE modules are _____ and _______ [0.5]
portable
Man has the best friend who is a Dog
private Dog bestFriend
txtHello? (All objects are correctly created.)
rm.GetString("txtHello")
15. In which directory does the <application_name>.exe.config file belong?
root directory
In order to start the server, we need to give the__command at the command prompt
run
Server side component architecture manages the components during
run time
If a class implements the Runnable interface, what methods must the class contain?
run()
catch (InterruptedException e)
running some time
The different types of JDBC driver are
sai la : Native-API pure Java driver
Which line of code tells a scanner called sc to use a single digit as a delimiter
sc.useDelimiter("\\d")
92. The major issues of enterprise application are: (choose three) [2.0]
scalability d) performance c) sharing data
Transient methods may not be overridden
variables are not
6. Which method is not in Thread class ?
void setSleep(long)
Which is correct JDBC-ODBC driver name?
sun.jdbc.odbc.JdbcOdbcDriver
Which is correct JDBC-ODBC driver name? (choose 1)
sun.jdbc.odbc.JdbcOdbcDriver
4. Which is keyword used to handle conflicting resources among threads ?
synchronized(resource)
Instructions that control how an element and its content should be converted in XSL style sheets, are called:
templates
8. What is the default namespace for a new web service?
tempuri.org/
The 'description' element is a:
text-only element
accurately describes how variables are passed to methods
that are primitive type are passed by value
first second first third snootchy 420
third second first snootchy 420
An exception is thrown at line 6
thrown at line 7
Which two services does EJB provide?
transaction services[2] lifecycle management
__are services, which are required for robust server-side development
transactions
What keyword is used to prevent an object from being serialized
transient
162. Data needs to be pushed to stateful session bean for every medthod invocation
true
187. Object-Relational mapping is more sophisticated than Java serialization
true
3.http Sesision object live on the server
true
A final class may not have any abstract methods
true
A thread can be created in two ways: by subclassing the Thread class or implementing the Runnable interface in another class.
true
COnstant storage can be done of a file
true
The PDA, mobile system & others could be either interactive or non-interactive
true
The good Transaction system should be reliable, efficient in terms of scaling & performance
true
Transactions are useful for perorming persistent operations
true
a message-driven bean must commit a transaction before
true
http Sesision object live on the server
true
http sesision object live on the server true
true
when you obtain a session (using getsession() of http...)
true
Line 4 executes and line 6 does not
Line 6 executes
sharedOb.wait()
2.aThread.interrupt, sharedOb.notifyAll
Date vaccinationDue
2.boolean, String
Primitives are passed by reference
2.by value
1000
-1
#Which is NOT EJB container?
Apache Tomcat 5.5
Business logic is placed in_____
Middle-tier
Security roles may be omitted in EJB
False
Security roles may be omitted in EJB.
False
Session beans have a primary key.
False
How is IllegalArgumentException used
2.certain methods, public methods
The ______ security allows password matching strategies
--Programmatic
Base(int j, int k, int l)
2.Base(), Base(int j, int k)
What executes EJB components ?
--An EJB container.
The _______ tags generally do not contain any body.
--Basic
Publish/Subscribe
--Message Oriented Middleware(MOM)
Yen and Euro both return correct Country value
2.Euro returns, error at line 25
ArithmeticException
1.None of these 2./
may be statically imported
1.Static method names 2.Static field names
Select the valid primitive data type
1.boolean 2.char 3.float
legal import statements
1.import java.util.Vector 2.import static java.util.Vector
3. How many thread priorities in Java ?
10
Holder h = new Holder()
101
List<String> names = new ArrayList<String>()
2.Iterator, for
Decrementer dec = new Decrementer()
12.3
match the following
18/2c/3d/4a
Math the following CLIENT_IDENTITY SYSTEM_IDENTITY SPECIFIED_INDENTITY ...
1a 2b 3c
matching the following 1.ejbfind 2. ejbStore 3.ejbPostCreate() 4.ejbLoadperformed
1b/2c/3a/4d
1 2 3
2 3
double d = 1.2d and double d = 1.2D
2 dap an
char c = 0x1234
2.0x.., '\u1234'
can legally be placed before aMethod() on line 3 and be placed before aMethod() on line 8
3: private; 8: protected
Total bytes per cookie should be ______.
4 kb
for (int i = 0; i < 2; i++)
4.i0,j12 - i1,j02
Arrange the steps in which the two-phase commit works: 1.Each transaction manager then reports..
4312
${(1==2) ? 4 : 5}
5
61. The J2EE stack consists of ____ layers. [0.5]
6
The number of bytes depends on the underlying system
8
A bean can act as a client for other beans.
True
5. When writing server-side code, what marks are used to indicate the code block?
<% %>
Scriptlets are enclosed within the ____________ markers.
<% and %>
Which syntax is correct for JSP Expressions?
<%=expression %>
your jsp page uses java.util.treemap. adding which of..
<%@ page import="java.util.TreeMap"%>
The correct syntax of a taglib directive is
<%@taglib uri=tagLibraryURIprefix=tagPrefix%>
3//en" "http://java.sun.com/dtd/web-app_2_3.dtd"> <we-app> <jsp-config> <jsp-property-group> <url-pattern>*.*</url-pattern> <el-ignored>true</el-ignored> </jsp-property-group> </jsp-config> </web-app> <?xml version="1.0" ?> 4" xmlns="http://java.sun.com/xml/ns/j2ee" w3.org/2001/xmlschema-instance" sun.com/xml/ns/j2ee sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <jsp-config> <jsp-property-group> <url-pattern>/*</url-pattern> <el-ignored>true</el-ignored> </jsp-property-group> </jsp-config> </web-app>
<?xml version="1.0" ?> 4" xmlns="http://java.sun.com/xml/ns/j2ee" w3.org/2001/xmlschema-instance" sun.com/xml/ns/j2ee sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <jsp-config> <jsp-property-group> <url-pattern>/*</url-pattern> <el-ignored>true</el-ignored> </jsp-property-group> </jsp-config> </web-app>
4. What HTML element is the asp:panel control rendered as?
<div>
When writing a TLD, which tags would you use to surround fnName(int num), a Java method declared in a separate class?
<function-signature></function-signature>
The font-size option 'larger' is used for
<relative-size>
Syntax for a typical template element is
<xsl:template match = "myElement">
Identify the tag required to match the entire document.
<xsl:template match= "/ |">
29. Which annotaton is not defined in Java ?
@Author
Which statement about entity manager is true?
A container-managed entity manager must be a JTA entity manager*
Select incorrect statement about RMI server
A client accesses
What does an instance of an entity bean represent as per EJB1.1 Specification
A row of a database
A failed transaction is__whereas a successful transaction is __
Aborted/committed
202
Accepted Request is being acted upon, but processing is not completed.
How do you prevent shared data from being corrupted in a multithreaded environment
Access the variables
When the user selects a menu item, _______ event is generated
Action event
1. Which code segment will populate a DataSet?
Adapter (dsUsers1);
EJB is a
All of the above
IN CSS styling property value may be
All of the above
8. The Format event is triggered after which occurrences?
All of the above.
EJB is a
All of the above.
Which of these characteristics of a filter is true?
All of the others
System.out has a println() method
All the above
public interface B inheritsFrom A
B extends A
Stateless session beans are also known as
Anonymous method providers
Stateless session beans are also known as __
Anonymous method providers
s is true?
Any serializable object can be put into a session.
Which is NOT EJB container?
Apache Tomcat 5.5
Databases cannot be accessible by____
Applets
72. The _______ tier implements business logic. [1.0]
Application
__produces the basic building blocks of J2EE application
Application Component Provider
4. Which security file will override the machine configuration file?
Application configuration
15. What ASP.NET object encapsulates the web site?
Application object.
Which part of multi-tier enterprise application contains EJB component?
Application server
21. Which class allow us to use index for accessing its elements ?
ArrayList
In ______ bean class, no instance variable should be declared.
Astateless session
The element 'Schema' is declared in DTD as having three child elements, which are:
AttributeType // ElementType // description
Select the flawless tags used to create a margin
A{margin-left:10%;} , A{margin-left:10cm;}
Component Interfaces in Session Bean may have _____
Both local and remote interfaces
5. What does the following command do? csc /res:strings.resources HelloGlobalWorld.cs
Builds the HelloGlobalWorld and links the fallback resource.
__tier of J2EE model contains the data processing logic
Business
CLIENT_IDENTITY circulate the client?fs security context
CLIENT_IDENTITY?circulate..context;SYSTEM_IDENTITY-run..authority,SPECIFIED_IDENTITY-runAsIdentity
SPECIFIED_IDENTITY runAsIdentity
CLIENT_IDENTITY?circulate..context;SYSTEM_IDENTITY-run..authority,SPECIFIED_IDENTITY-runAsIdentity
SYSTEM_IDENTITY run the bean using system-level authority
CLIENT_IDENTITY?circulate..context;SYSTEM_IDENTITY-run..authority,SPECIFIED_IDENTITY-runAsIdentity
Which EJB uses EJB-QL for query operations?
CMP Entity Bean
__ is not a model for developing distributed applications
COM
___________________ is not a model for developing distributed applications
COM
14. Which line of code will register a channel?
Channel(channel);
13. To which namespace does the HttpChannel class belong?
Channels.Http
4. You want to add a control to your form that allows you to set a particular option on or off. Which control would you choose?
CheckBox
70. The _______ tier implements presentation logic. [1.0]
Client
The Access Control does not take care of
Client?fs identities
Which three digit error codes represent an error in request from client?
Codes starting from 400
getTimestamp( ) method is used for extracting
Column data
Repeated creation of an object whenever it is required is persistence
False
Which is the four steps are used in working with JDBC
Connect, Create, Look
Selectors helping us to differentiate between different occurrences of a tag are termed as
Contextual Selectors
56. The J2EE platform communicates with the outside world in a way known as _____ [1.5]
Contracts
Servlet
Control all activities in web applications These are like traffic cops
A ______________has a name, a single value, and optional attributes such as a comment, path and domain qualifiers, a maximum age, and a version number.
Cookie
The Two main methods that JSP employs to track sessions are :
Cookies URL rewriting
15. What must be done to create a ToolTip on a new Windows control?
Create a MessageBox
The ___ exception is necessary for all create methods
CreateException
The ___________________ exception is necessary for all create methods.
CreateException
118. The Java code generation is done in _____ stage. [1.0]
Creation of Components
list of primitives ordered in smallest to largest bit size representation
D. char, int, float, long
71. The _______ tier implements database management services. [1.0]
Data
3. Data access exceptions all derive from which base class?
DataException
5. What is the root exception for the ADO.NET objects?
DataException
A(n) _______ enables a web application to obtain a Connection to a database.
DataSource
4. What object is used to encapsulate a rowset?
DataTable
5. What namespace is needed for Event Log support?
Diagnostics
an event log?
Diagnostics
The three main types of JSP constructs that can be embedded in a Java Server page are
Directives Actions Scripting Elements
Reading of uncommitted data from the database represents the__problem
Dirty read
Parameter entities:
Do not establish a relationship between elements that share similar properties.
Choose the odd one out. Entity beans can
Do without a primary key
Entity beans can -
Do without a primary key
135. DTD stands for _________ [0.5]
Document Type Definition
63. In ______ layer semantic validation of new information takes place. [0.5]
Domain
object is uses to obtain a Connection to a Database
DriverManager
public void doGet(HttpServletRequest request, HttpServletResponse response)
E. ?request, 2nd request, null? written to standard output
abstract class can contain methods with declared bodies.
E. public, protected, default, private
is an architecture for building re-usable server-side components.
EJB
Incase of CMPs the ___ implements the finder methods
EJB container
96. The J2EE are partitioned into: (choose three) [2.0]
EJB containers// Database //J2EE Web Container
The__keeps track of every client and its Identity object
EJB server
Match the following:
EJB-technology,JDBC-..database
The SessionContext interface extends the _______________ interface.
EJBContext
The SessionContext interface extends the interface.
EJBContext
Where are the finder methods in CMP implemented?
Ejb-jar.xml
9. What are the three different policy-configuration files?
Ent Mac User.
55. The application assembler delivers _____ file [1.5]
Enterprise Archive
EJB
Enterprise Java Beans
EJB stands for____
Enterprise JavaBeans
Which EJB usually represents persistent data?
Entity Bean
_ beans have a higher level of reuse
Entity bean
__beans have a higher level of reuse
Entity beans
How can a CMP 2.0 entity bean retrieve its primary key?
EntityContext.getIdentity()
For what reason does the following JSP fail to translate and compile?<html><body><%!intx%><%=x;%></body></html>
Error in JSP Expression.
Servlet are durable objects because they remain in the memory until they are destroyed _
Explicitly
8. Where would you find the Add Installer link within Visual Studio .NET?
Explorer window.
In WSDL a <port> refers to
Exposes a <service> using a specific protocol binding
A Java monitor must either extend Thread or implement Runnable
F
Even if the client timesout the ejbRemove() method is called
F
The element method alters the contents of a Queue
F
There are multiple ways to persist entity bean
F
The J2EE platform does not contain middleware services
FAlse
'small-caps' is a value supported by font-style
False
130. A stateful session bean exists even after the session expires. [0.5]
False
150. XML cannot be used to create customized views of data depending on clients requirements [1.0]
False
151. Servlets do not run on the server and they do have an interface. [1.5]
False
65. In J2EE the developer cannot use the server side services. [0.5]
False
Bean-managed State Fields are non-persistent fields.
False
Browsers typically cache the server?s response to a POST request.
False
Can a blank method be added in Home interface as per EJB 1.1 spec?
False
Default value for model attribute is 'closed'.
False
Developers of enterprise applications are not able to deploy applications effectively & quickly
False
Even if the client times out, the ejbRemove() method is called.
False
Every component need not be present in the Container
False
In EJB, BMPs are more used than CMPs.
False
In Javaserver pages one cannot separate content generation from presentation.
False
In XML, schema files are a must.
False
In an open content model elements other than the required elements cannot be present.
False
J2EE is a kind of Techlonogy
False
J2EE is platform-dependent
False
Java arrays always start at index 1
False
Once the server has been started, the client code can be executed from the same window.
False
Programming to a relational database is required in object database management.
False
are valid arguments to the DataInputStream constructor
FileInputStream
84. _______ is used to prevent unauthorized access to a private network. [1.5]
Firewall
The two major transactional models are__and__
Flat transactions/nested transactions
11. What tool is used to manage the GAC?
GacUtil.exe
How can you force garbage collection of an object
Garbage collection
How many errors are there in the following code snippet public interface MyEx extends remote { String getDataNum() String getData(int a) throw
Four
How many errors are there in the following code snippet.
Four
A user types the URL http://www.javaprepare.com/scwd/index.html . Which HTTP request gets generated
GET method
Which HTTP method gets invoked when a user clicks on a link?
GET methoda
10. What layout mode is the default when a new Web Form is created?
GridLayout
# What are possible outcomes from executing the doGet method in ServletC below? (Choose two.)
HTTP 500 error (error in 500s);Some other exception.
The following techniques can be employed to maintain state in Web Applications:
HTTP Information Hidden Fields Extended path...
22. Which is not an interface ?
HashMap
19. Which class isn't implemented List interface ?
HashSet
20. Which class isn't implemented Map interface ?
HashSet
Which of these classes implements the Map interface?
Hashtable
Object ob2= new Object()
Have a nice day
7. How is the data represented in an XmlDataDocument?
Hierarchical
The Life cycle of EJB is defined by:
Home Interface
The Life cycle of EJB is defined by__________________.
Home Interface
THe life cycle of EJB is defined by _
Home interface
The life cycle of ejb is defined by
Home interface
Name the class that includes the getSession method that is used to get the HttpSession object.
HttpServletRequest
A session is begun when servlet code invokes HttpServletRequest.getSession() method.
HttpServletRequest.getSession() method
_________ class is an extension of the ServletResponse class
HttpServletResponse
132. HTTP stands for _________ [0.5]
Hypertext Transfer Protocol
A statement has a question mark (???) as a placeholder for every _______ parameter.
IN
Which is four-step approach to help you organize your GUI thinking
Identify, Isolate, Sketch
Which object(s) can be used in JSP without declaring or initializing?
Implicit objects
Java Servlets
In Enterprise development, this is the recommended approach.
????.and????..are designed for byte streams.
InputStream and OutputStream
Variables created within a declaration block become_________ variables
Instance
7. What is wrapper class of int primitive type ?
Integer
The advent of B2B led to__
Inter-organization communication
In__there is exchange of either data or reports
Inter-organization communications
J2EE stands for____
Java 2 Platform Enterprise Edition
What are two features of IIOP?
It is connection-based. [2] It is used for remote-object communications.
XSL does not provide support for:
It provides support for all the options stated.
Which design pattern is represented by the JDBC ResultSet class?
Iterator
108. A single archive file with .ear extension is a _________ file. [0.5]
J2EE application
52.The statements true about J2EE are _________ [1.5]
J2EE is multi-user //b) J2EE is portable system.
103. The structural information describes various components of the ______file. [0.5]
JAR
Which are EJB containers ?
JBoss ;BEA's WebLogic ;IBM WebSphere
#Which are EJB containers
JBoss;BEA's WebLogic;IBM WebSphere
161. _____ allows the application developer to connect to relational databases. [2.0]
JDBC
The bean accesses the database using
JDBC
The bean accesses the database using ______________.
JDBC
The bean accesses the database using ______________. (JDBC )
JDBC
162. javax.sql package is used as ______ package. [2.0]
JDBC 2.x Optional
which java technology provides a unified interface to multiple
JNDI
Authentication can be accomplished using the JNDI API.
JNDI API
Authentication can be accomplished using the__
JNDI API
91. The modules of Domain layer are : (choose two) [1.5]
JNDI b) Java Connector architecture
Which is true about JOBC?
JOBC is used to connect to MOM (Message-Oriented Middleware Product)
60. ______ is used to generate dynamic content for web. [0.5]
JSP
Which of the following shoild a preogrammer be concerned about
JTA
The OTS has been separated into two APIs that are
JTA/JTS
7. The Items property of a ListBox is a reference to what kind of object?
ListItem
Users browse the net, access their emails on the mobile using____
M-Commerce
In EJB2.0, ejb-jar.xml deployment descriptor file must be placed in ______________folder
META-INF
Identify correct statements about the META-INF directory from the list below. (Choose three.)
META-INF is a suitable location for storing digital certifi cates. The MANIFEST.MF file is found in the META-INF directory. META-INF is not directly accessible to clients.
86. In n-tier approach the application follows _______ pattern. [1.5]
MVC
57. ___________ is used when accessing Enterprise JavaBeans [1.5]
RMI-IIOP
Identify the statements which hold true for CSS
None of the above
What is the outcome..context.removeAttribute("mutable");
None of the above.
'XMLDOMEntity' is an XML DOM Object that:
None of the options given
MVC Technologies
Normal Java classes, Java Bean, EJB
session.setAttribute("login"?, new Login());}}
Nothing is wrong with this filter
144. NDS stands for ________ [1.0]
Novell Directory Services
11. What is the SQL argument that sorts the data returned by an SQL SELECTstatement?
ORDER BY
The available document models of DOM are:
Object Model /// Linear Model // Tree Model
OQL stands for Object Query Language.
Object Query Language
OQL stands for _____________.
Object Query Language
In _________________________ Java objects are stored as whole objects.
Object database management
178. In EJB, persistence can also be termed as ___
Object durability
In EJB, persistence can also be termed as ______________.
Object durability
Which method is used to retrieve an attribute from a ServletContext?
Object getAttribute(String name)
191. OQL stands for ____
Object query language
Sun's JavaBlend and Object People's TOP link are examples of a/an _________ product.
Object-relational
The findByPrimaryKey() method throws the _________ exception if no matching records are found in the database.
ObjectNotFoundException()
Which pattern allows dependent objects to be notified when an object changes state?
Observer
Attribute 'xmlns' indicates:
One or more namespaces for use with the schema
What are responsibility the deployer respected in EJB development?
Only 2
An abstract class may not have any final methods
Only statement 2
Suppose you want to create a custom thread class by extending java.lang.Thread in order to provide some special functionality
Override run()
Name the http method used to send resources to the server.
PUT method
The JTA is a Package.
Package
The JTA is a _________________________.
Package
The JTA is a__
Package
Which is least visibility scope for Java bean in JSP?
Page
A java bean in a JSP can have which of the following attributes
Page Request Application Session
The ________________approach of JSP model involves request invocations being made directly to JSP.
Page-centric
In CSS, identification of a selector context is done by using a
Period
58. ________ provides CRUD service
Persistence Layer
Entity beans are called Persistent objects.
Persistent
Entity beans are called _______________________ objects.
Persistent
The employee details, i.e., the name, designation, H.R.A, D.A., etc. will be managed by the _______________________ component.
Persistent data component
5. J2EE consists of the following three tiers
Presentation tier Business tier Data tier
Only entity beans can be destroyed by passing the __
Primary key
The Programmatic security allows password matching strategies
Programmatic
The ____ security allows password matching strategies
Programmatic
3. The two primary constituents of JavaBean are
Properties Methods
166. Remote Object Protocols include : [2.0]
RMI JMS
which is true about RMI
RMI allows object to be
15. File class hasn?t methods which are used to
Read file content
'XMLDOMNodeList' property is
Read only
3. What is used to validate complex string patterns like an e-mail address?
Regular expressions.
In _____________________ databases, each Java object is decomposed into its constituent part, which is stored separately.
Relational
Which is not a way of making an object persistent.
Relational Database Management System
179. Which is not a way of making an object presistent
Relational database management system
The Remote Interface does not have any methods.
Remote Interface
The ___________ does not have any methods.
Remote Interface
The ___________________ does not have any methods.
Remote Interface
The _ does not have any methods
Remote interface
The deployment descriptor contains essential information regarding ___________
Remote interface
The component interface of ejb-jar file includes Remote interface and Home interface.
Remote interface and Home interface
Beans can have the following scope (Choose two)
Request & Application
The__also manages the state of the bean
Resource Manager
The__represents storage from where one can read and write
Resource Manager
The __ also manages the state of the bean.
Resource manager
Statement objects return SQL query results as
ResultSet
The Retention meta-annotation is used to specify how long an annotation is retained.
Retention meta-annotation
5. What should be added to basic authentication?
SSL
8. How many rules are there regarding a well formed XML document?
Six
J2EE supports cross-platform development such as (Select all that apply)
Solaris & IBM OS/390 & Linux
When is x & y an int
Sometimes
xarr is an array of XXX, and the type of yarr is an array of YYY
Sometimes
IllegalArgumentException
StackOverflowError
Which of the beans cannot be pooled?
Stateful session bean
Which of the beans cannot be pooled?
Stateful session beans
A ______________ session bean is a bean that holds conversations that span a single method call
Stateless
142. Types of session beans are _____ and ________ [1.0]
Stateless bean // Stateful bean
SQL statement without parameters are normally executed using ________objects
Statement
object is used to submit a query to a database
Statement
_________ can be invoked using CallableStatement object.
Stored Procedures
3. The statement that is used to replace multiple if statements is called:
The case statement.
11. What method must be overridden in a custom control?
The Render() method.
4. Where are stored procedures saved?
The database server.
The keyword extends refers to what type of relationship
is a
The setCardlnformation method breaks encapsulation
The ownerName
<form action="jsecuritycheck" method="POST">
The page is redisplay
Which statement about passivating session beans is true?
The passivated stateful session bean should close all connections before being passivated
public class mybean implements SessionBean, SessionSynchronization{... void ejbCreate(int num) throws createException}
The valure of num is restored to its original value.
Which is NOT true about stateless session beans?
They are CANNOT hold client state
Depending upon scrollability how many types of result sets are available in JDBC API?
Three
Tranditional enterprise application providers have client server application of____models
Three-tier
What does the following code do
Throws an exception
The database connection consumes vast amount of resources in terms of__
Time & Memory
___________ provides precision to Java Date by adding a nanosecond field.
Timestamp
4. Trace switches can be set using which class?
TraceSwitches
The__operates behind the scenes performing all its tasks
Transaction Manager
__is an application component, which may be an Enterprise bean, a server component or a CORBA object
Transactional Object
Transactions are services, which are required for robust server-side development.
Transactions.
__are services, which are required for robust server-side development
Transactions.
Which is NOT belonging to basic three types of EJB?
Transfer object*
Each JSP goes through two phases. Select them
Translation time Request time
A model applied to dynamic documents is known as:
Tree Model
If you need a Set implementation that provides value-ordered iteration, which class should you use
TreeSet
# Is the following statement true or false. If the isThreadSafe attribute of the page directive is false, then the generated servlet implements the SingleThreadModel interface
True
115. The deployment descriptor is essentially a file.
True
131. Multiple clients can share an instance of an entity bean. [0.5]
True
133. Does TCP/IP ensure that the packets are error free during transmission process? [0.5]
True
62. In a distributed enterprise system, one schema can support many clients. [0.5]
True
A bean can act as a client for other beans
True
Java Web Services developed with JAX-RPC interoperate with .Net
True, because they both generate the same SOAP message
JDBC supports ______ and ______ models
Two-tier and three-tier
9. Given an ASP.NET Web Form called WebForm1, what class does the WebForm1 class inherit from by default?
UI.Page
What relationship does the extends keyword represent
is a
Your servlet class depends on a utility class named com.abc.TaxUtil. Where would you keep the TaxUtil.class file?
WEB-INF/classes/com/abc
Mobiles understand___
WML
Select INCORRECT statement about deserialize
We use readObject
13. How do you enable tracing?
Web Form to True.
11. Which namespace is added to a program that calls a web service?
Web.Services;
Match the following.ejbFind() ejbStore()
ejbFind()-CMPs,ejbStore()-update the database
118. Deployment properties are stored in a __ file
XML
Deployment properties are stored in a _______________________ file
XML
Extensible Markup Language is the full form of____
XML
148. _________ stands for Extensible Stylesheet Language [1.0]
XSL
XSL provides a transformation language called:
XSLT
3. What object is used to encapsulate a data source?
XxxConnection
TestThread3 ttt = new TestThread3
Y
Once the bean instance is associated with the EJB Object, the _____________________ is called.
ejbPostCreate()
method is used to wait for a client to initiate communications
accept()
#Which is NOT the main type of JSP constructs that you embed in a page?
actions
When the client calls a bean, it can in turn call another bean.
agree
# The top three value of EJB are (choose 3)
agreed upon; Portability; Rapid application development.
The major advantage of container-managed persistence is
all of above
The HttpServletRequest has methods by which you can find out about...
all the above
8. When would you not use the OleDbConnection object?
an SQL 7.0 database.
which scenario below could best use transfer object as a solution? (choose one.)
an application appears to have hit a bottleneck when using some ejbs. on analysis, it
Security roles can be specified based on the type of__used
application server
which of following is not an ejb requireed method
ejbStore()
Which of the following attribute determines if the output stream is buffered.
buffer=none | <size in kb>
which is not enterprise beans
business beans
25. Databases cannot be accessible by _________ [1.0]
c) Applets
38. _______ tier of J2EE model contains the data processing logic [1.5]
c) Business
10. Traditional enterprise application providers have client server application of ________ models. [0.5]
c) Three-tier
In XSL the sign that indicates that sorting takes place in the descending order is:
c)'-'
Which is a valid PostConstruct method in a message-driven bean class?
c. @PostConstructprivate void init() {}
The container has one component that should take up as much space as possible
c. BorderLayout/ d. GridBagLayout
HTTP error back to the browser? (Choose one)
c. Both are defined in HttpServletResponse.
EJB 3.0 specifications are first implemented in ________
c. Java EE 5
91. _________________ provides a way to identify a user across more than one page request or visit to a Web site and to store information about that user.
c. Session management
Which is NOT represented in a UML class diagram?
c. The interaction between objects in sequential order
What two primitive types are interchangeable when you?re working with streams?
char and int
3. When discussing the XML Web Services architecture, which sentence best describes the service broker node?
consumer
78. CRUD represents for : [1.0]
create, read, update, delete
What method of the java.io.File class can create a file on the hard drive
createNewFile()
1. Which command will cause an XML file to be generated from documentation comments
csc .xml
#Which is correct JDBC-ODBC driver name?
d) sun.jdbc.odbc.JdbcOdbcDriver
What executes EJB components ?
d. An EJB container.
A Java developer needs to be able to send email, containing XML attachments, using SMTP. Which JEE (J2EE) technology provides this capability?
d. JavaMail
Which technology is used for processing HTTP requests and mapping those requests to business objects
d. Servlets
The application must be run with the -enableassertions flag or another assertionenabling flag
dai nhat, one or more
1. What is the code for the German language?
de
Component are automatically listed in __ transactions
declarative
6. What is the name of the root element in a WSDL document?
definition
102. ______ is an XML file. [0.5]
deployment descriptor
Which method in the HttpServlet class services the HTTP POST request?
doPost(HttpServletRequest, HttpServletResponse)
doStuff x = 6 main x = 6
doStuff x =5 main x =5
class A extends java.util.Vector { private A(int x)
does not create a default
Which is NOT a state in the EJB 3 Entity beans life cycle states?
e. Exit
6. Which XML line(s) generates an employee attribute?
ee name=/ee Name='Ken'
Where are the finder methods in CMP implemented?
ejb-jar xml
The _______ method should be used in CMP for checking the client parameters.
ejbCreate()
Compilation fails because of an error in line 15
error in line 19
The exception-type element specifies an exception type and is used to handle exceptions
error-page
The ------- method returns the security identity of the client
etCallerldentit()
The method _________ is designed for statements that produce a single result set, such as SELECT statements
executeQuery()
184. The process of querying stored objects using objects serialization is ____and __
expensive/cumbersome
Bean-managed state fields are non-persistent fields
f
in ejb BMPs are more uesd than CMPs
f
the ejbActive() method is called during a transaction
f
171 Stateless session beans are dedicated to one client.
false
CMP applications are completely portable
false
For encoding URLs that send the redirect command.
false
If the cookie does not have an expiry date it remains on the clients machine permanently
false
presses submit
first:first:second
<%@taglib uri = "test_taglib" prefix = "myTag"%><% session.setAttribute("first", "first");%><myTag:TestTag/>
first;second
When a short is added to a float
float
Suppose salaries is an array containing floats
for (float f:salaries)
The ________________ method returns the security identity of the client.
getCallerIdentity()
The context object adds new method which are:
getEJBObject() / getPrimarykey()
Which is correct JDBC-ODBC driver name?
getObject ;getText ;getInt;getString
The getParameter() method gives addition information about servlet
getParameter()
A Boolean value is returned by the method.
getRollbackOnly()
The finder methods defined in the _________________ should match the ejbFind methods in the actual __________.
home interface/bean class
create() method of entity bean home interface returns _____________
home object
Consider the following code statement
http://localhost:8080/Final/abc/FinalServlet
Consider the following code statement: respon.sendRedirect(?/abc/FinalServlet?); Assume that the ??
http://localhost:8080/Final/abc/FinalServlet
To load a java class file e.g. Aptech class in the browser URL location bar we type
http://localhost:8080/servlet/Aptech
what is the most likely outcome.. long date = request.getdateheader("post");
illegalArgumentexception
An anonymous inner class that implements several interfaces may extend a parent class other than Object
implement at most, class may extend
Identify the attribute applied to a property to give it precedence over other properties.
important
When is it appropriate to pass a cause to an exception's constructor
in response to catching
it also has a method called chopWoodAndCarryWater(), which just calls the other two methods
inappropriate cohesion, inappropriate coupling
What are the three directives defined in the JSP specification
include page taglib
In request dispatcher, both ____ and ____ methods are used for servlet communication.
include/forward
500
indicates an error inside the HTTP server which prevented it from fulfilling the request.
401
indicates that the request requires HTTP authentication.
The init() method initializes the servlets
init()
restrictions apply to anonymous inner classes
inside a code block
When a byte is added to a char
int
public float aMethod(float a, float b) throws Exception
int a,b float p,q
Which of the following expressions results in a positive value in x
int x = ?1; x = x >>> 5
what are the possible types for variable result
int, long, float, double
Which JspFragment method is used to process body content in a SimpleTag?
invoke()
When does an exception's stack trace get recorded in the exception object
is constructed
The methods available for programmatic authorization are__and __
isCallerInRole(identity role)/ getCallerIdentity()
The methods available for programmatic authorization are __ and __
isCallerInrole(identity role)/ getCalledIdentity()
As per EJB specifications every client application accessing an EJB system should be associated with a__object
java.security.Identity
The JDBC classes are present in the ______ package.
java.sql
Java 1.4 or higher supports regular expressions with Sun's ???????????? package.
java.util.regex
A create() method may throw ___ exception
javax.ejb.CreateException
107. All the remote interface types extend the ___ interface
javax.ejb.EJBObject
All the remote interface types extend the__interface.
javax.ejb.EJBObject
The Access Control does not take care of :
lient?s identities
class implement fifo queue link list
link list
Generally, ___ object do not implement any interfaces
local
Generally, ________________________ objects do not implement any interfaces.
local
Generally, local objects do not implement any interfaces.
local
The empty operator in EL language returns true value for null, empty Strings, empty arrays, and empty collections.
null, empty Strings, empty arrays, and empty collections
According to EJB 2.0 Specification, enterprise beans are restricted from performing certain operations.
managing threads
163. The conversation with the client ___ be lost, due caching of client conversation, while using stateful session beans
may
What would be the output from this code fragment
message four
which statements correct about message-driven bean
message-driven bean stateless
which statement is correct about message-driven beans
message-driven beans stateless
void callMe(String? names)
method, names is an array
95. The drawback of traditional n-tier architecture is ______ [2.0]
middle tier consists of one application object.
The bean instance can service ___ finder methods while in the pool
multiple
The bean instance can service ___________________ finder method/s while in the pool.
multiple
___ EJB class/es may be installed on a single container
multiple
Which methods return an enum constant?s name
name(), toString()
135. Binding is an association of a ___ with a/an ___
name/object
Binding is an association of a__with a/an __
name/object
In JNDI, binding is an association of a ________________ with a/an _____________
name/object
access modifier allows you to access method calls in libraries not created in Java
native
new class Foo { public int bar() { return 1; } }
new Foo()
void doSomething() throws IOException, EOFException
ngan-dai nhat, throws EOFException
Values used in font-weight are
normal//bolder//lighter
8. Why will the following XML code not be rendered by a browser? <name> <lastname>Dowdy</lastname> <firstname>Howdy</firstname> </lastname>
not closed properly.
#create() method of entity bean home interface returns ______
null
ejbCreate() method of entity bean class returns ______
null
5. How many deamon threads are there in Java multi-threading which you can set in a process ?
one and only one
Stateful session beans are dedicated to _______ client/s and have a preset _____________ period.
one/timeout
The code compiles, and prints out >>null<<
out >>null<<
Line 12 will not compile, because no version of crunch() takes a char argument
output: int version
Name the implicit variable to JSP pages that may be used to access all the other implicit objects
pageContext
2. HTML tags normally come in _____
pairs, start tag end tag
HTML tags normally come in
pairs, start tag, end tag
175. Entity beans are called ___ object
persistent
URL referring to databases use the form
protocol:subprotocol:datasoursename
protected class Cat extends Owner
public class Cat extends Pet
8. Which is a definition of a static method?
public static void MethodA()
void doSomething(int a, float b)
public...(int a, float b)
The _ is responsible for unicast point-to-point invocation
remote reference layer
The ________ supports communication between the stub and skeleton.
remote reference layer
Which retrieves all cookies sent in a given HttpServletRequest request?
request.getCookies()
The __ represents storage from where one can read and write
resource
The HTTPServletResponse interface has the following methods (Select two)
response.encodeURL() & response.encodeRedirectURL()
What keyword is used to jump out of a try block and into a finally block?
return
When the content is set to "eltOnly," the order defaults to:
seq
The primary key class has to be
serializable
The primary key class has to be __________.
serializable
The container along with all its interfaces resides in the ___________________
server
JSP is a ___________ running on web server
server side script language
Select incorrect statement about Socket class
server through UDP
Consider the following descriptions:
service
see the extract from web.xml below http://myserver:8080/mywebapp/bserverlet.html
servletA
given five servlets with <load-on-startup> value set as follows
servletb will load before servletc
which of the following methods derive from the servletconfig interface
servletcontext+string getinit..+string getservletname()
The page, request, session, or application object in JSP has some methods
set attribute , get attribute , remove attribute
To associate an entity bean with a particular context, a call is made to __________.
setEntityContext(EntityContext ctx)
The J2EE platform provides__benefits
simplified architecture development
The HttpServletResponse lets you:
specify outgoing information..,obtain a PrintWriter..,specify response headers..
Conversation data between client and EJB is used for___
state maintenance
Method calls by the client, to the remote object leads to an invocation of a method on the _____which in turn passes control to the _________ layer.
stub/underlying
The entity bean instance implements ____________________ callback method/s, when it is in a pool.
two
Which JDBC processing model that requires a JDBC driver that can communicate with the particular data source being accessed
two-tier
JDBC supports ______ and ______ models
two-tiers and three-tiers
The element 'element' includes the attributes:
type // MinOccurs // MaxOccurs
14. When you test a web service, what do you expect to see as output?
web proxy.
what will be the outcome.. public class nameservlet extends httpservlet {.. out.write(getservletname());}
will not compile for some other reason
When the user attempts to close the frame window, _______ event in generated
window closing
what is the most likely outcome.. String[] values = request.getheaders("bogusheader")
won't run: 2 compilation errors;
3. Which command-line tool will create a web service proxy?
wsdl.exe
1. What must be done before you can consume a web service?
wsdl.exe utility.
34 . Can a Web service use HTTPS
yes
