Question 1

In the phone network,the interexchange carrier link is _____.

Accepted Answer

A) shared by users in a neighborhood 
B) shared by all users of the end office 
C) dedicated to a single user 
D) dedicated to business customers 
A) shared by users in a neighborhood 
B) shared by all users of the end office 
C) dedicated to a single user 
D) dedicated to business customers

Question 2

The major advantage of CDMA over TDM and FDM is that _____.

Accepted Answer

A) CDMA is simpler to implement than TDM or FDM 
B) CDMA combines the benefits of TDM and FDM 
C) CDMA can support many more users using the same network resources than TDM or FDM 
D) None of the above 
A) CDMA is simpler to implement than TDM or FDM 
B) CDMA combines the benefits of TDM and FDM 
C) CDMA can support many more users using the same network resources than TDM or FDM 
D) None of the above

Question 3

The multiplexing method used by 3-G cell phone systems is _____.

Accepted Answer

A) time division multiplexing TDM) 
B) frequency division multiplexing FDM) 
C) orthogonal frequency division multiplexing OFDM) 
D) code division multiplexing access CDM
A)  
A) time division multiplexing TDM) 
B) frequency division multiplexing FDM) 
C) orthogonal frequency division multiplexing OFDM) 
D) code division multiplexing access CDM
A)

Question 4

The major development in 2-G cell phone systems compared to 1-G cell phone systems was the _____.

Accepted Answer

A) use of digital signals instead of analog signals 
B) use of CDMA instead of FDM 
C) ability to offer very high data rates 
D) use of CDMA instead of TDM 
A) use of digital signals instead of analog signals 
B) use of CDMA instead of FDM 
C) ability to offer very high data rates 
D) use of CDMA instead of TDM

Question 5

The phone system transmits signals in the range _____.

Accepted Answer

A) 520 kHz - 1,610 kHz 
B) 87.5 MHz - 108.0 MHz 
C) 2)44 GHz - 2.46 GHz 
D) 300 Hz - 3,400 Hz 
A) 520 kHz - 1,610 kHz 
B) 87.5 MHz - 108.0 MHz 
C) 2)44 GHz - 2.46 GHz 
D) 300 Hz - 3,400 Hz

In the phone network,the interexchange carrier link is _____.

The major advantage of CDMA over TDM and FDM is that _____.

The multiplexing method used by 3-G cell phone systems is _____.

The major development in 2-G cell phone systems compared to 1-G cell phone systems was the _____.

The phone system transmits signals in the range _____.

Introduction

Physical Layer

Data Link Layer

Network Layer

Transport Layer

Application Layer

Support Services

Subnetting

Routing

Wide Area Networks

Wireless Networks

Network Security

Managerial Issues

Filters

Exam 12: Phone Networks

In the phone network,the interexchange carrier link is _____.

The major advantage of CDMA over TDM and FDM is that _____.

The multiplexing method used by 3-G cell phone systems is _____.

The major development in 2-G cell phone systems compared to 1-G cell phone systems was the _____.

The phone system transmits signals in the range _____.

Introduction

Physical Layer

Data Link Layer

Network Layer

Transport Layer

Application Layer

Support Services

Subnetting

Routing

Wide Area Networks

Wireless Networks

Network Security

Managerial Issues

Filters