MIS 140 Quiz chapter 5

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______________ communication is most commonly used when the application data or message can fit into one single packet. Frame-oriented Connection-oriented Connectionless Physical-oriented Byte-oriented

Connectionless

When TCP/IP translates an application layer address into an IP address, it sends a special __________ to the nearest DNS server. broadcast message DNS request packet SNA packet IPX message X.25 packet

DNS request packet

Server name resolution is done using the: Address Resolution Protocol Border Gateway Protocol Internet Control Message Protocol Routing Information Protocol Domain Name Service

Domain Name Service

The transport layer routes messages through the network selecting the best path from the source to the destination station. True False

False

UDP is not commonly used for: network management control messages RIP messages DHCP addressing messages HTTP requests DNS requests

HTTP requests

IGMP refers to: Internet Giga Memory Parameters Interchange Group Management Parameters Internet Guided Meta Protocol Internet Group Management Protocol Interchange Guided Meta Protocol

Internet Group Management Protocol

_______________ is a type of dynamic routing. Static routing Circuitous routing Centralized routing Link state X.25 routing

Link State

Which of the following is not a component of a router? CPU Interface Memory Keyboard Port

Port

___________ is the process of determining the path that a message will travel from sending computer to receiving computer. Routing Addressing Interfacing Broadcasting Packetizing

Routing

___________ is the translation of application layer addresses into IP addresses. Network interface card reversal IPv6 Server name resolution Subnet masking Name service coding

Server name resolution

____________ refers to the type of routing in which the routing table is developed by the network manager and modifications are made only when computers are added to or removed from the network. Adaptive routing Dynamic routing Static routing Distance vector routing Link state routing

Static routing

A(n) ________ refers to a group of computers that are logically grouped together by IP number. IPv6 group subnet data link group TCP group application net

Subnet

The negotiation by the transport layer at the sender with the transport layer at the receiver to determine what size packets should be set up is done via establishing a(n) ___________ between the sender and receiver. network layer address resolution one way handshake SNA message TCP connection DNS server request

TCP connection

Translating an application layer address to a network layer address and finally to a data link layer address is called address resolution. True False

True

Which of the following is not a protocol used at the application layer. HTTP SMTP FTP Telnet UDP

UDP

IP: performs segmentation of the data does not have a header is currently in use with only one packet form or structure is utilized during routing functions performs error control functions

is utilized during routing functions

IP addresses from 224 to 239 belong to Class D and are reserved for the government ISPs multicasting broadcasting private networks IncorrectQuestion 13

multicasting

Quality of Service routing is a special type of routing in which different connections are assigned different priorities. True False

true

Routing is the process of determining the path or route through the network that a particular message will follow from the sender to the recipient. True False

true

Source port address is the logical address used to identify the application that is sending the data. True False

true

Subnet masks tell computers what part of an IP address is to be used to determine whether a destination is in the same subnet or in a different subnet. True False

true

The data link layer address is generally encoded in a network card by the card's manufacturer. True False

true

The transport layer process running on the destination computer, reassembles the fragmented application message before passing it up to the application layer. True False

true

A type of message that is used when sending a message from one computer to another computer is called a: unicast message multicast message broadcast message guided message radiated message

unicast message

The source port identifier of the received TCP segment tells the destination station _____________. which computer sent the TCP packet. which application layer program that the packet should be sent which application layer process the packet is from. the IP address of the source computer. the IP address of the destination computer.

which application layer process the packet is from.

The _____ address range is reserved for a computer to communicate with itself and is called the loopback. 121 127 239 254 111

127

IPv4 provides ___________ IP addresses. a. 4.3 billion b. 144 million c. 64 billion d. 3.14 billion e. 1 million

4.3 billion

_________created a service that allows organizations to transfer IPv4 addresses they don't need to another organization. TCP/IP ARPANET ARIN AIS OSPF

ARIN

Transmission Control Protocol/Internet Protocol was developed for ________ in 1974. ARPANET IBM Hewlett-Packard University of Minnesota Xerox

ARPANET

A(n) _________ is a specially formatted request used to perform IP address to data link address resolution. Address Resolution Protocol request Domain Service Request HTTP request Link state request Autonomous System Request

Address Resolution Protocol request

A majority of routers use the following operating system: Windows 95 Red Hat Linux Windows Server 2008 Cisco Internetwork Operating System Linksys OSI System

Cisco Internetwork Operating System

Which of the following is not given to a client computer when it is first installed on a TCP/IP network so that it has the appropriate routing/addressing information? application layer address subnet mask its own IP address IP address of its DNS server IP address of a gateway, router, or a switch outside of its subnet

application layer address

ICANN: developed the IPX/SPX network layer protocol assigns data link layer addresses approves which network layer addresses (usually, approved or assigned in groups or classes) can be used by an organization for its computers that will connect to the Internet developed X.25 network layer protocol refers to Interchange Computer Addressing Networks and Nodes

approves which network layer addresses (usually, approved or assigned in groups or classes) can be used by an organization for its computers that will connect to the Internet

A special type of message that is used when sending the same message to all computers on a specific LAN or subnet is called a: unicast message multicast message broadcast message guided message radiated message

broadcast message

When TCP/IP translates a network layer address into a data link layer address, it sends a special ____________ to all computers in the subnet. physical layer packet multicast message X.25 message broadcast message application layer packet

broadcast message

Dynamic addressing: assigns a permanent network layer address to a client computer in a network makes network management more complicated in dial-up networks has only one standard, bootp is always performed for servers only can solve many updating headaches for network managers who have large, growing, changing networks

can solve many updating headaches for network managers who have large, growing, changing networks

With QoS routing different __________ are defined, each with different priorities. classes of service domain names application layer addresses data link layer addresses classes of Internet addresses

classes of service

A TCP three-way handshake is used to establish a ___________ messaging method. asynchronous connection-oriented frequency division application net connectionless

connection-oriented

With _____________ messaging, each UDP segment makes its own way through the network without the use of sequence numbers or acknowledgements. frequency division connection-oriented PCMCIA connectionless application net

connectionless

A multicast message can be used to send a message to a maximum of two other computers. true/false

false

A multicast message can be used to send a message to a maximum of two other computers. True False

false

A routing protocol used inside an autonomous system is called an exterior routing protocol. True False

false

Connections on a router, to the Internet and other routers for example, are called applications. True False

false

The latest version of IP is IPv7, which increases the address space from 128 bits to 256 bits. True False

false

The network layer provides guaranteed end-to-end delivery of the message. True False

false

The network layer sits directly between the application layer and the data link layer in the Internet five-layer network model. True False

false

A client computer is typically assigned a data link layer address by a: hardware manufacturer software manufacturer middleware manufacturer network manager who configure a file in a computer's network layer software package ISO

hardware manufacturer

The newer form of IP, version 6 (IPv6): Is running out of address space to support the growth of the Internet has a 20 byte header has an increased address size from 32 bits to 128 bits does not include version number in its header does not include hop limit in its header

has an increased address size from 32 bits to 128 bits

TCP/IP: is the least commonly used network protocol for LANs because it cannot be combined with Ethernet performs packetizing, as well as routing and addressing functions is not very efficient and is prone to errors is compatible with only one type of data link protocol, SDLC refers to Telephone Control Procedures/Inter-exchange Procedures

performs packetizing, as well as routing and addressing functions

Assume that more than one application program is using the same communications line on a particular computer. To be able to decide to which application program a message should be delivered on this computer, TCP/IP relies on the: data link layer address port address application layer address network address IP address

port address

__________ is not an important function of the transport layer. end-to-end delivery of the message taking messages from the application layer routing breaking long messages into smaller segments interfacing with the network layer

routing

An advantage of centralized routing is: routing does reflect changing network conditions, such as computers that are overloaded by many messages if anything happens to the computer developing the routing table, the routing tables cannot be changed until that computer is fixed, or until a new computer is selected to perform the function routing decisions are simple the routing tables are stored at all computers in the network it requires more processing by each computer or router in the network than dynamic routing

routing decisions are simple

In its simplest form, the __________ has two columns: the first column lists every destination network, while the second column lists the interface on which that computer should send messages, if they are destined for the network in the first column. linking loader routing table configuration listing bus header assignment list file allocation table

routing table

The _____________ is used by a computer to determine how messages will travel through the network. routing table configuration listing linking loader bus header assignment list file allocation table

routing table

The transport layer must break messages from the application layer into several _____ that can be sent to the network layer. bits bytes frames segments strings

segments

TCP uses _____________ so that the destination station can reassemble the packets into the correct order. IP addresses sequence numbers port numbers packet numbers reassembly value

sequence numbers

The ____________ layer links the application layer with the network layer is responsible for end-to-end delivery of messages. physical transport session presentation data link

transport

A hop in a routing calculation is defined as one link or circuit. True False

true

An Address Resolution Protocol message is broadcast to all computers in a subnet to find the data link layer address of a host whose IP address is known but whose MAC address is unknown. True False

true

Part of the function of address resolution is translating the application layer address of the destination into a network layer address. True False

true


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