Question 1

Echo is not a useful error detection techniques in computer networking because _____.

Accepted Answer

A) it is complex to use 
B) it is difficult to implement 
C) it is time consuming 
D) errors may cancel out during the echo 
A) it is complex to use 
B) it is difficult to implement 
C) it is time consuming 
D) errors may cancel out during the echo

Question 2

If the data is 101011 and the divisor is 1011,the CRC remainder is _____.

Accepted Answer

A) 110 
B) 101 
C) 001 
D) 010 
A) 110 
B) 101 
C) 001 
D) 010

Question 3

When the data link layer detects errors in incoming data,it typically _____.

Accepted Answer

A) attempts to fix the error 
B) accepts the data anyway 
C) accepts the data,but marks it so that upper layers can fix the error 
D) deletes the data 
A) attempts to fix the error 
B) accepts the data anyway 
C) accepts the data,but marks it so that upper layers can fix the error 
D) deletes the data

Question 4

The Ethernet address MAC address)has _____ bits.

Accepted Answer

A) 32 
B) 64 
C) 48 
D) 16 
A) 32 
B) 64 
C) 48 
D) 16

Question 5

A disadvantage of using broadcasting to transmit data is that _____.

Accepted Answer

A) it is inexpensive 
B) it is simple 
C) most users who receive the data have no use for the data 
D) it leads to too many errors 
A) it is inexpensive 
B) it is simple 
C) most users who receive the data have no use for the data 
D) it leads to too many errors

Echo is not a useful error detection techniques in computer networking because _____.

If the data is 101011 and the divisor is 1011,the CRC remainder is _____.

When the data link layer detects errors in incoming data,it typically _____.

The Ethernet address MAC address)has _____ bits.

A disadvantage of using broadcasting to transmit data is that _____.

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

Echo is not a useful error detection techniques in computer networking because _____.

If the data is 101011 and the divisor is 1011,the CRC remainder is _____.

When the data link layer detects errors in incoming data,it typically _____.

The Ethernet address MAC address)has _____ bits.

A disadvantage of using broadcasting to transmit data is that _____.

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