Question 1

If the data is 111011 and the divisor is 1101,the CRC remainder is _____.

Accepted Answer

A) 110 
B) 101 
C) 111 
D) 010 
A) 110 
B) 101 
C) 111 
D) 010 C

Question 2

A technology that uses broadcasting to transmit data sends the data to _____.

Accepted Answer

A) all computers on the Internet 
B) only the intended destination of the data 
C) all stations on the network 
D) None of the above 
A) all computers on the Internet 
B) only the intended destination of the data 
C) all stations on the network 
D) None of the above C

Question 3

Switches discover the MAC addresses of computers connected on the different ports by looking at the _____.

Accepted Answer

A) source address of outgoing packets 
B) destination address of outgoing packets 
C) destination address of incoming packets 
D) source address of incoming packets 
A) source address of outgoing packets 
B) destination address of outgoing packets 
C) destination address of incoming packets 
D) source address of incoming packets D

Question 4

CRC is an error-detecting algorithm that checks data integrity by _____.

Accepted Answer

A) using redundant information 
B) computing a polynomial algorithm based checksum 
C) using echo 
D) discarding data 
A) using redundant information 
B) computing a polynomial algorithm based checksum 
C) using echo 
D) discarding data

Question 5

The receiver of a data packet determines that the packet was sent to it by looking at _____.

Accepted Answer

A) the destination address of the packet 
B) the source address of the packet 
C) the frame check sequence field 
D) The start of frame delimiter 
A) the destination address of the packet 
B) the source address of the packet 
C) the frame check sequence field 
D) The start of frame delimiter

Question 6

The most common data link layer technology used in corporate networks is _____.

Accepted Answer

A) TCP 
B) Internet 
C) Ethernet 
D) IP 
A) TCP 
B) Internet 
C) Ethernet 
D) IP

Question 7

In computer networking,a collision is a situation where _____.

Accepted Answer

A) an end user collides with his workstation 
B) two or more end users collide with each other at the water cooler 
C) two or more end users get into an argument over who has access to the network 
D) two or more demands are placed on a network that can only handle one demand at a time 
A) an end user collides with his workstation 
B) two or more end users collide with each other at the water cooler 
C) two or more end users get into an argument over who has access to the network 
D) two or more demands are placed on a network that can only handle one demand at a time

Question 8

All of the following are advantages of using broadcasting to send data except _____.

Accepted Answer

A) it is simple 
B) it is inexpensive 
C) it can be used for networks of any size 
D) it does not require any controllers to regulate who can transmit data 
A) it is simple 
B) it is inexpensive 
C) it can be used for networks of any size 
D) it does not require any controllers to regulate who can transmit data

Question 9

One character in the hexadecimal notation represents _______ bits.

Accepted Answer

A) 2 
B) 4 
C) 6 
D) 8 
A) 2 
B) 4 
C) 6 
D) 8

Question 10

All of the following are examples of using broadcasting to transmit data except _____.

Accepted Answer

A) satellite radio transmission 
B) college classroom 
C) spam email 
D) junk mail 
E) a letter in the mail addressed to a friend 
A) satellite radio transmission 
B) college classroom 
C) spam email 
D) junk mail 
E) a letter in the mail addressed to a friend

Question 11

A network using Ethernet can be up to ______ in radius.

Accepted Answer

A) 1,000 meters 
B) 100 meters 
C) 10 miles 
D) indefinite 
A) 1,000 meters 
B) 100 meters 
C) 10 miles 
D) indefinite

Question 12

The first 24 bits of a MAC address identify the _____.

Accepted Answer

A) manufacturer of the network card 
B) computer on the network 
C) owner of the computer network 
D) owner of the IP address 
A) manufacturer of the network card 
B) computer on the network 
C) owner of the computer network 
D) owner of the IP address

Question 13

In Ethernet,CSMA/ CD refers to _____.

Accepted Answer

A) Carrier Sense multiple access with collision detection 
B) Carrier Sense multiple access with collision deference 
C) Collision Sense for multiple access computers and devices 
D) Carriers Sense for multiple access computers and devices 
A) Carrier Sense multiple access with collision detection 
B) Carrier Sense multiple access with collision deference 
C) Collision Sense for multiple access computers and devices 
D) Carriers Sense for multiple access computers and devices

Question 14

The functions of the data link layer include _____.

Accepted Answer

A) routing 
B) local addressing and error-detection 
C) segmentation and re-assembly of data 
D) link data networks 
A) routing 
B) local addressing and error-detection 
C) segmentation and re-assembly of data 
D) link data networks

Question 15

In computer networking,carrier sensing refers to _____.

Accepted Answer

A) monitoring the medium to detect whether another station is transmitting data 
B) monitoring network carriers ex.AT&T,Comcast etc)to ensure quality of service 
C) sensing the network load of the network carriers ex.AT&T,Comcast etc) 
D) None of the above 
A) monitoring the medium to detect whether another station is transmitting data 
B) monitoring network carriers ex.AT&T,Comcast etc)to ensure quality of service 
C) sensing the network load of the network carriers ex.AT&T,Comcast etc) 
D) None of the above

Question 16

The data link is responsible for sending data between _____.

Accepted Answer

A) devices on a single network 
B) devices on neighboring networks 
C) devices anywhere on the Internet 
D) None of the above 
A) devices on a single network 
B) devices on neighboring networks 
C) devices anywhere on the Internet 
D) None of the above

Question 17

When the data link layer deletes incoming frames,the lost frames are recovered by _____.

Accepted Answer

A) the network layer 
B) the transport layer 
C) the application layer 
D) the physical layer 
A) the network layer 
B) the transport layer 
C) the application layer 
D) the physical layer

Question 18

In computer networking,medium access control is the method used to determine _____.

Accepted Answer

A) who can enter the office 
B) who can send data over a shared medium 
C) who can determine the data rate of the physical medium 
D) who can mediate a dispute between two or more end users 
A) who can enter the office 
B) who can send data over a shared medium 
C) who can determine the data rate of the physical medium 
D) who can mediate a dispute between two or more end users

Question 19

Switches improve the efficiency of Ethernets by _____.

Accepted Answer

A) reducing errors 
B) speeding transmission rates 
C) reducing collisions 
D) improving signals 
A) reducing errors 
B) speeding transmission rates 
C) reducing collisions 
D) improving signals

Question 20

Most modern corporate Ethernets use switches instead of hubs.

Accepted Answer

A) True 
 B)False

If the data is 111011 and the divisor is 1101,the CRC remainder is _____.

A technology that uses broadcasting to transmit data sends the data to _____.

Switches discover the MAC addresses of computers connected on the different ports by looking at the _____.

CRC is an error-detecting algorithm that checks data integrity by _____.

The receiver of a data packet determines that the packet was sent to it by looking at _____.

The most common data link layer technology used in corporate networks is _____.

In computer networking,a collision is a situation where _____.

All of the following are advantages of using broadcasting to send data except _____.

One character in the hexadecimal notation represents _______ bits.

All of the following are examples of using broadcasting to transmit data except _____.

A network using Ethernet can be up to ______ in radius.

The first 24 bits of a MAC address identify the _____.

In Ethernet,CSMA/ CD refers to _____.

The functions of the data link layer include _____.

In computer networking,carrier sensing refers to _____.

The data link is responsible for sending data between _____.

When the data link layer deletes incoming frames,the lost frames are recovered by _____.

In computer networking,medium access control is the method used to determine _____.

Switches improve the efficiency of Ethernets by _____.

Most modern corporate Ethernets use switches instead of hubs.

Introduction

Physical Layer

Network Layer

Transport Layer

Application Layer

Support Services

Subnetting

Routing

Wide Area Networks

Wireless Networks

Phone Networks

Network Security

Managerial Issues

Filters

Exam 3: Data Link Layer

If the data is 111011 and the divisor is 1101,the CRC remainder is _____.

A technology that uses broadcasting to transmit data sends the data to _____.

Switches discover the MAC addresses of computers connected on the different ports by looking at the _____.

CRC is an error-detecting algorithm that checks data integrity by _____.

The receiver of a data packet determines that the packet was sent to it by looking at _____.

The most common data link layer technology used in corporate networks is _____.

In computer networking,a collision is a situation where _____.

All of the following are advantages of using broadcasting to send data except _____.

One character in the hexadecimal notation represents _______ bits.

All of the following are examples of using broadcasting to transmit data except _____.

A network using Ethernet can be up to ______ in radius.

The first 24 bits of a MAC address identify the _____.

In Ethernet,CSMA/ CD refers to _____.

The functions of the data link layer include _____.

In computer networking,carrier sensing refers to _____.

The data link is responsible for sending data between _____.

When the data link layer deletes incoming frames,the lost frames are recovered by _____.

In computer networking,medium access control is the method used to determine _____.

Switches improve the efficiency of Ethernets by _____.

Most modern corporate Ethernets use switches instead of hubs.

Introduction

Physical Layer

Network Layer

Transport Layer

Application Layer

Support Services

Subnetting

Routing

Wide Area Networks

Wireless Networks

Phone Networks

Network Security

Managerial Issues

Filters