Question 1

The network layer is responsible for end-to-end delivery of the message.

Accepted Answer

A) True 
 B)False

Question 2

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

Accepted Answer

A) ARPANET 
B) IBM 
C) Hewlett-Packard 
D) University of Minnesota 
E) Xerox 
A) ARPANET 
B) IBM 
C) Hewlett-Packard 
D) University of Minnesota 
E) Xerox

Question 3

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.

Accepted Answer

A) linking loader 
B) routing table 
C) configuration listing 
D) bus header assignment list 
E) file allocation table 
A) linking loader 
B) routing table 
C) configuration listing 
D) bus header assignment list 
E) file allocation table

Question 4

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

Accepted Answer

A) bits 
B) bytes 
C) frames 
D) packets 
E) strings 
A) bits 
B) bytes 
C) frames 
D) packets 
E) strings

Question 5

Describe how Domain Name Server works and is hierarchically organized.What happens if a URL is not in a local DNS server?

Accepted Answer

Domain Name Servers (DNS) are responsibl

Question 6

The source destination port identifier tells the destination station _____________.

Accepted Answer

A) which computer sent the TCP packet. 
B) which application layer program that the packet should be sent 
C) which application layer process the packet is from. 
D) the IP address of the source computer. 
E) the IP address of the destination computer. 
A) which computer sent the TCP packet. 
B) which application layer program that the packet should be sent 
C) which application layer process the packet is from. 
D) the IP address of the source computer. 
E) the IP address of the destination computer.

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

Under what conditions does decentralized dynamic routing provide better performance than decentralized static routing?

Accepted Answer

Decentralized dynamic routing generally

Question 10

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

Accepted Answer

A) circuitous 
B) decentralized 
C) distance vector 
D) indirect 
E) link state 
A) circuitous 
B) decentralized 
C) distance vector 
D) indirect 
E) link state

Question 11

The three fundamental approaches to routing are:

Accepted Answer

A) circuitous, flat, and direct routing 
B) connectionless, static, and connection-oriented 
C) subordinate, master, and insubordinate routing 
D) host, client, and client-server routing 
E) centralized, static routing, and dynamic routing 
A) circuitous, flat, and direct routing 
B) connectionless, static, and connection-oriented 
C) subordinate, master, and insubordinate routing 
D) host, client, and client-server routing 
E) centralized, static routing, and dynamic routing

Question 12

The TCP portion of TCP/IP performs linking to the application layer.

Accepted Answer

A) True 
 B)False

Question 13

What are the different classes of Internet addresses and how are they different?

Accepted Answer

Internet addresses are classified into d

Question 14

What does the network layer do? Where does it sit in relationship to the other four layers of our simplified network model?

Accepted Answer

The network layer is a crucial component

Question 15

Suppose a client computer wants to access a web page on a web server.Assume that it knows all of the IP addresses and data link layer addresses in the network, except those for the web server itself.If the web server was on the same subnet as the client, how would the client obtain the data link layer address for the web server?

Accepted Answer

If the client computer is on the same su

Question 16

List and describe the three ways that a network manager can connect to a router and configure and maintain it.

Accepted Answer

1. Console Connection: The network manag

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

How does dynamic addressing work? What benefits and problems does dynamic addressing provide?

Accepted Answer

Dynamic addressing is a network configur

Question 19

An advantage of centralized routing is:

Accepted Answer

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 
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

Question 20

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

Accepted Answer

A) ACL 
B) AFL 
C) TCP 
D) IOS 
E) OSI 
A) ACL 
B) AFL 
C) TCP 
D) IOS 
E) OSI

The network layer is responsible for end-to-end delivery of the message.

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

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.

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

Describe how Domain Name Server works and is hierarchically organized.What happens if a URL is not in a local DNS server?

The source destination port identifier tells the destination station _____________.

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

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

Under what conditions does decentralized dynamic routing provide better performance than decentralized static routing?

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

The three fundamental approaches to routing are:

The TCP portion of TCP/IP performs linking to the application layer.

What are the different classes of Internet addresses and how are they different?

What does the network layer do? Where does it sit in relationship to the other four layers of our simplified network model?

List and describe the three ways that a network manager can connect to a router and configure and maintain it.

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

How does dynamic addressing work? What benefits and problems does dynamic addressing provide?

An advantage of centralized routing is:

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

Introduction to Data Communications

Application Layer

Physical Layer

Data Link Layer

Network Design

Wired and Wireless Local Area Networks

Backbone Networks

Wide Area Networks

The Internet

Network Security

Network Management

Filters

Exam 5: Network and Transport Layers

The network layer is responsible for end-to-end delivery of the message.

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

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.

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

Describe how Domain Name Server works and is hierarchically organized.What happens if a URL is not in a local DNS server?

The source destination port identifier tells the destination station _____________.

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

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

Under what conditions does decentralized dynamic routing provide better performance than decentralized static routing?

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

The three fundamental approaches to routing are:

The TCP portion of TCP/IP performs linking to the application layer.

What are the different classes of Internet addresses and how are they different?

What does the network layer do? Where does it sit in relationship to the other four layers of our simplified network model?

List and describe the three ways that a network manager can connect to a router and configure and maintain it.

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

How does dynamic addressing work? What benefits and problems does dynamic addressing provide?

An advantage of centralized routing is:

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

Introduction to Data Communications

Application Layer

Physical Layer

Data Link Layer

Network Design

Wired and Wireless Local Area Networks

Backbone Networks

Wide Area Networks

The Internet

Network Security

Network Management

Filters