Cis 430 Exam 2

Front 1

The ____________ layer links the application layer with the network layer is responsible for end-to-end delivery of messages.

Back 1

b. transport

Front 2

A typical TCP packet has a _______ header of control information.

Back 2

d. 192-bit

Front 3

The newer form of IP, version 6 (Ipv6):

a. Is running out of address space to support the growth of the Internet

b. has a 20 byte header

c. has an increased address size from 32 bits to 128 bits

d. does not include version number in its header

e. does not include hop limit in its header

Back 3

c. has an increased address size from 32 bits to 128 bits

Front 4

_____________ routing is a method of routing in which each packet makes its own way through the network.

Back 4

d. Connectionless

Front 5

An application layer address using TCP/IPv4 looks like:

a. 128.192.78.5

b. www.cba.uga.edu

c. [e-mail]

d. 00-0F-00-81-14-00

e. Building 4, Room 2, User 3

Back 5

b. www.cba.uga.edu

Front 6

__________ is not an important function of the transport layer.

a. end-to-end delivery of the message

b. taking messages from the application layer

c. routing

d. breaking long messages into smaller packets

e. interfacing with the network layer

Back 6

c. routing

Front 7

The source destination port identifier tells the destination station _____________.

Back 7

c. which application layer process the packet is from

Front 8

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:

Back 8

b. port address

Front 9

Which of the following is not a protocol used at the application layer.

a. HTTP

b. SMTP

c. FTP

d. Telnet

e. UDP

Back 9

e. UDP

Front 10

A client computer is assigned a data link layer address is by:

Back 10

a. hardware manufacturers

Front 11

_______ is the dominant network protocol today.

Back 11

d. TCP/IP

Front 12

TCP uses _____________ so that the destination station can reassemble the packets into the correct order.

Back 12

b. sequence numbers

Front 13

The transport layer must break messages from the application layer into several _____ that can be sent to the data link layer.

Back 13

d. packets

Front 14

______________ routing is most commonly used when the application data or message can fit into one single packet.

Back 14

c. Connectionless

Front 15

ICANN:

a. developed the IPX/SPX network layer protocol

b. assigns data link layer addresses

c. 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

d. developed X.25 network layer protocol

e. refers to Interchange Computer Addressing Networks and Nodes

Back 15

c. 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

Front 16

Transmission Control Protocol/Internet Protocol was developed for ________ in 1974.

Back 16

a. ARPANET

Front 17

The older version of IP has a ________ header of control information.

Back 17

Correct: b. 192-bit

Front 18

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.

Back 18

d. TCP connection

Front 19

UDP is not commonly used for:

a. network management control messages

b. RIP messages

c. DHCP addressing messages

d. HTTP requests

e. routing control messages

Back 19

d. HTTP requests

Front 20

IPv6 is based upon _________ -byte addresses

Back 20

d. 16

Front 21

TCP/IP:

a. is the least commonly used network protocol for LANs because it cannot be combined with Ethernet

b. performs packetizing, as well as routing and addressing functions

c. is not very efficient and is prone to errors

d. is compatible with only one type of data link protocol, SDLC

e. refers to Telephone Control Procedures/Inter-exchange Procedures

Back 21

b. performs packetizing, as well as routing and addressing functions

Front 22

A TCP connection is established in the ___________ routing method

Back 22

b. connection-oriented

Front 23

IP:

a. performs packetizing functions

b. does not have a header

c. is currently in use with only one packet form or structure

d. performs routing functions

e. performs error control functions

Back 23

d. performs routing functions

Front 24

With QoS routing different __________ are defined, each with different priorities

Back 24

a. classes of service

Front 25

IPv4 uses ________ bytes per Internet address

Back 25

a. 4

Front 26

A(n) ________ refers to a group of computers that are logically grouped together by IP number

Back 26

b. subnet

Front 27

When TCP/IP translates an application layer address into an IP address, it sends a special __________ to the nearest DNS server.

Back 27

b. DNS request packet

Front 28

In its simplest form, the __________ has two columns: the first column lists every computer and device in the network, while the second column lists the computer or device to which that computer should send messages, if they are destined for the computer in the first column.

Back 28

b. routing table

Front 29

_______________ is a type of dynamic routing.

Back 29

d. Link tate

Front 30

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:

Back 30

c. broadcast message

Front 31

When TCP/IP translates a network layer address into a data link layer address, it sends a special ____________ to all computers in the subnet.

Back 31

d. broadcast message

Front 32

A subnet mask of ___________ means that all computers with only the same first two bytes in their IPv4 addresses are on the same subnet.

Back 32

d. 255.255.0.0

Front 33

The three fundamental approaches to routing are:

Back 33

e. centralized, static routing, and dynamic routing

Front 34

One drawback to dynamic routing is:

Back 34

c. The transmission of status information wastes' network capacity that could be used to send user messages

Front 35

IGMP refers to:

Back 35

d. Internet Group Management Protocol

Front 36

Dynamic addressing:

a. assigns a permanent network layer address to a client computer in a network

b. makes network management more complicated in dial-up networks

c. has only one standard, bootp

d. is always performed for servers only

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

Back 36

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

Front 37

_________ is a specially formatted request used to perform IP address to data link address resolution.

Back 37

a. Address Resolution Protocol

Front 38

An advantage of centralized routing is:

a. routing does reflect changing network conditions, such as computers that are overloaded by many messages

b. 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

c. routing decisions are simple

d. the routing tables are stored at all computers in the network

e. it requires more processing by each computer or router in the network than dynamic routing

Back 38

c. routing decisions are simple

Front 39

The ping command uses the most basic interior routing protocol on the Internet, which is the:

Back 39

b. Internet Control Message Protocol

Front 40

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?

a. application layer address

b. subnet mask

c. its own IP address

d. IP address of its DNS server

e. IP address of a gateway, router, or a switch outside of its subnet

Back 40

a. application layer address

Front 41

Server name resolution is done using the:

Back 41

e. Domain Name Service

Front 42

The _____________ is used by a computer to determine how messages will travel through the network.

Back 42

a. routing table

Front 43

____________ 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.

Back 43

c. Static routing

Front 44

A special type of message that is used when sending the same message to a specific group of computers is called a:

Back 44

b. multicast message

Front 45

A majority of routers use the following operating system:

Back 45

d. Cisco Internetwork Operating System

Front 46

___________ is the translation of application layer addresses into IP addresses.

Back 46

c. Server name resolution

Front 47

___________ is the process of determining the path that a message will travel from sending computer to receiving computer.

Back 47

a. Routing

Front 48

With ________ routing, computers or routers count the number of hops along a route and periodically exchange information on the hop count with their neighbors.

Back 48

c. distance vector

Front 49

A type of message that is used when sending a message from one computer to another computer is called a:

Back 49

a. unicast message

Front 50

Which of the following is not a component of a router?

Back 50

d. Keyboard

Front 51

The _________ defines what types of packets should be routed and what types of packets should be discarded.

Back 51

a. ACL

Front 52

A hop in a routing calculation is defines as one link or circuit.

Back 52

TRUE

Front 53

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

Back 53

FALSE

Front 54

A routing protocol used inside an autonomous system is called an exterior routing protocol

Back 54

FALSE

Front 55

An Address Resolution Protocol message is broadcast to all computers in a subnet to find the data link layer address

Back 55

TRUE

Front 56

An autonomous system is a network operated by one organization

Back 56

TRUE

Front 57

An example of an application layer address is www.indiana.edu

Back 57

TRUE

Front 58

Because there is a limit on the length of a frame that the data link layer can transmit from node to node, the transport layer breaks up the message from the application layer into several smaller packets.

Back 58

TRUE

Front 59

Connectionless routing sets up a CTP connection, or virtual circuit between a sender and receiver.

Back 59

FALSE

Front 60

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

Back 60

FALSE

Front 61

Domain Name Servers provide the equivalent of directory assistance for application layer addresses

Back 61

TRUE

Front 62

Enhanced Interior Gateway Routing Protocol is a dynamic link state interior routing protocol developed by CISCO

Back 62

TRUE

Front 63

IP is responsible for error-free delivery of packets on a TCP/IP network

Back 63

FALSE

Front 64

IPv4 addresses offer unlimited opportunity for expansion and growth on the Internet

Back 64

FALSE

Front 65

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

Back 65

TRUE

Front 66

Quality of Service routing is a special type of connection-oriented routing in which different connections are assigned different priorities

Back 66

TRUE

Front 67

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.

Back 67

TRUE

Front 68

Source port address is the logical address generated by the application layer on the source computer to identify the application, which is sending the data.

Back 68

TRUE