Network+ Ch.3 Quiz

The administrator at JK Cements wants you to assign a port number other than the standard port 80 to a web server on the Internet so that several people within the organization can test the site before the web server is made available to the public. To reach the web server, which type of port number must a tester enter in the browser address box along with the web server's IP address? A private port number A registered port number A dynamic port number A well-known port number

A private port number

Which one of the following DNS record types holds the name-to-address mapping for IPv6 addresses? NS records CNAME records AAAA records MX records

AAAA records

You are the DNS administrator and have been tasked to hold alternative names for a host that is a newly established start-up venturing into the business of ecommerce. The start-up wants its clients to be directed to the appropriate page whenever they request for alternative names. Which of the following resource records would you apply as a DNS administrator in such a case? AAAA record PTR record CNAME record MX record

CNAME record

Which of the following ports are used by applications such as Telnet, FTP, and HTTP? Dynamic port Well-known ports Registered ports Private ports

Well-known ports

Which of the following manages the dynamic distribution of IP addresses to devices on a network? A DHCP A gateway NAT A MAC address

A DHCP

Which of the following sockets will you apply to a standard Telnet port TCP23 where the host has an IP address of 10.43.3.87? 10.43.3:23.87 10:23.43.3.87 10.43.3.87:23 10.43.23.3.87

10.43.3.87:23

Which of the following addresses can be identified as an APIPA address? 127.0.0.1 169.254.0.1 ping 8.8.8.8 255.255.255.255

169.254.0.1

The Mosiac Music School has hired Kirk to set up a SIP protocol for a collaborative multimedia conference session that will be limited to the selected students opting for music theory. Which of the following ports should he use in such a situation so that the required encryption can be provided? 5060 993 995 5061

5061

The University of Philadelphia wants you to format an IPv4 address through which the dean of the university wants to go on a videoconference with the teaching staff about certain educational norms which they plan on implementing. Which of the following classes of classful addressing will you apply to deliver the requirement? Class C Class D Class E Class A

Class D

Which of the following ports range from 49152 to 65535 and are open for use without restriction? Registered ports Dynamic and private ports Well-known ports Sockets

Dynamic and private ports

Which of the following is an optional server that receives queries from local clients but doesn't work to resolve the queries? Catching DNS server Secondary DNS server Primary DNS server Forwarding DNS server

Forwarding DNS server

Which of the following protocols is used by the echo request and echo reply of ping to carry error messages and information about a network? Syslog RDP ICMP NTP

ICMP

Which of the following institutions assigns a manufacturer's OUI? IANA ICANN FQDN IEEE

IEEE

Your client has hired you to troubleshoot a network error. On inspection, it can be seen that the client has a static IP address, subnet mask, and default gateway all configured correctly. You open a browser to check the connection, and you can't get to a web page. You open a PowerShell window, ping the gateway, and ping Google's public DNS server, and everything is working. But you still can't navigate to websites. What kind of problem are you most likely to be experiencing? Incorrect DNS Incorrect IP address Incorrect subnet mask Duplicate IP address

Incorrect DNS

Matt, a senior technician, has installed a switch for the purpose of identifying devices on the LAN. Analyze which of the following addressing methods Matt should follow so that the switch can quickly and efficiently direct the network traffic to its destination. Transport layer ports MAC address IP address Application layer domain

MAC address

Vialom network has organized an online web concert featuring various well-known pop stars, which will stream globally. It has contacted JMT internet services to help the company in delivering a single video stream to multiple receivers so that there is minimal network traffic. Analyze which of the following IPv6 addresses it should use in this case. Loopback address Unicast address Link local address Multicast address

Multicast address

Which of the following protocols is used to synchronize clocks on computers throughout a network? NTP TFTP LDAP IMAP4

NTP

Heroku Industries has a SQL Server database that provides data to clients throughout its network. It has now asked George, a network engineer, to sort an issue within the administration branch where the Windows firewall does not allow access to the users to such databases. Analyze what port should George open up in the firewall so that the issue is resolved. Open up port 1433 Open up port 5061 Open up port 1521 Open up port 389

Open up port 1433

Britain Airways has complained of a faulty NIC as a result of which they are having connectivity issues within the organization. You, as a senior technician, want to find out the manufacturer of the NIC so that you can submit a report of constant bugs in their device. Which of the following addresses will help you to identify the manufacturer of the NIC? IP address Transport layer ports Extension identifier Organizationally Unique Identifier

Organizationally Unique Identifier

HCL Industries are keen on allowing its employees with a work-from-home option for its respective jobs. You have been hired to establish a secure and encrypted control for remote Windows computers. Which of the following ports will you use to establish this connection? Port 3306 Port 3389 Port 5061 Port 1433

Port 3389

Riverview Union High has contacted you to establish a secure communication over the computer network by encrypting the communication protocol using the SSL. Which of the following registered ports will you use to secure the connection? Port 514 Port 443 Port 3389 Port 123

Port 443

Which of the following elements in a Domain Name System is a DNS client that requests information from DNS name servers? Namespace Name servers Resolvers TLD

Resolvers

Joseph is the managing director of Ideakt Cellular World Pvt Ltd., and he wants you to create an IPv6 network that has one-to-one type of data transmission between his personal department and the company's administration office. Which of the following types of IPv6 addresses would you apply in such a situation? Unicast address Multicast address Loopback address Anycast address

Unicast address

Your client has hired you to change the command-line tool from nslookup to dig since it provides more detailed domain information than nslookup. Which of the following commands will you use to install dig on the Window operating system? dig google.com dig -x 74.125.21.102 apt-get install dnsutils dig google.com ANY

apt-get install dnsutils

Which of the following hostname commands resolves a device's hostname with its IP address on the network? hostname -I hostname -A sudo hostname hostname

hostname -I

JHS Mediaworks has contacted you to troubleshoot some TCP/IP errors on some workstations within the organization. On inspection, you get to know that the workstations functioning on Windows are all stable and the ones running on UNIX and Linux systems are the ones that need troubleshooting. Which of the following command-line tools will you use in such a scenario to view and manage the TCP/IP settings? hostname IP scanner ip nslookup

ip

Which command displays the full list of available objects and commands? ip address show ip help ip link show ip link help

ip help

Which of the following command-line tools is used to display current TCP/IP addressing and domain name information on a Windows computer? ip ping ipconfig dig

ipconfig

Your client has contacted you to examine a workstation that has been showing network fluctuations time and again. The client tells you that one of his employees might have spilled some hot water over the Ethernet ports. Which of the following addresses will you choose to check the functionality of the Ethernet card without worrying about corrupted hardware and to ensure that the workstation's TCP/IP services are running? ping 127.0.0.1 ping -? ping 192.168.1.1 ping -a 8.8.8.8

ping 127.0.0.1

JusDial Telecommunications has requested your help to set up a new hostname on a couple of devices. On inspection, you find out that the devices are operating under LINUX systems. Which of the following command lines would you apply to set up a new hostname for the required network devices? hostname sudo hostname hostname A hostname -I

sudo hostname

What is the purpose of the TXT (text) DNS resource record? A. Holds any type of free-form text B. Indicates the authoritative name server for a domain C. Identifies an email server and is used for email traffic D. Holds the name-to-address mapping for IPv6 addresses

A

Wilson Breweries has called you to its office space to troubleshoot an error wherein there is an issue with outgoing email messages as a result of which the logistics are getting delayed. Which of the following ports would you troubleshoot to sort out this issue? 53 21 25 23

25

What is the secure port for HTTPS? 443 587 80 23

443

Brent recently received funding for his fast-food chain in Michigan. As a result, he hires Angela to set up a top-level domain so that she can start an online delivery system through his web portal as well. He wants Angela to put a unique domain name so that his website appears a little different from the other competitors. Analyze which of the following top level domain names Angela should opt for under such requirements. .biz .com .mil .eu

.biz

Identify which of the following statements is Correct. A. The approximate number of possible networks in class B IPv4 is 126. B. The first part of an IPv address identifies the host, and the last part identifies the network. C. IPv4 is categorized into three classes. D. A 32-bit IPv4 address is organized into four groups of 8 bits each.

D

A client recently contacted Katie, a networking engineer, at IHP solutions to troubleshoot a connectivity issue. On inspecting the issue, she gets to know that there is a missing default route, which is preventing the network nodes from reaching the DNS servers outside the local network. Analyze which of the following gateway devices she should use to sort this issue. Subnet Mask Computer Router Firewall

Router