Practice Quiz in Telephone and Cable Networks Part 1

Online Practice Quiz in Telephone and Cable Networks part 1 from the book Data Communications and Networking 4th Edition by Behrouz A. Forouzan.

Practice Quiz in Telephone and Cable Networks

This is the Online Practice Quiz in Telephone and Cable Networks part 1 from the book, Data Communications and Networking 4th Edition by Behrouz A. Forouzan. If you are looking for a reviewer in Electronics Systems and Technologies (Communications Engineering) this will definitely help you test your knowledge and skill before taking the Board Exam.

Start Part I of the Online Practice Quiz

Quiz in Telephone and Cable Networks

Question 1. The carrier that handles intra-LATA services is called a(n) _____ .

A. IXC

B. LEC

C. POP

D. None of these


Question 2. The two most common digital services are ________ service and ______.

A. switched/56; DDS

B. switched/56; switched/64

C. DDS; switched 64

D. leased; out-of-band


Question 3. DMT is a modulation technique that combines elements of _______ and _______.

A. FDM; QAM

B. FDM; TDM

C. PSK; FSK

D. QDM; QAM


Question 4. In an HFC network, the upstream data are modulated using the _______ modulation technique.

A. ASK

B. PCM

C. QAM

D. QPSK


Question 5. The standard for data transmission over an HFC network is called _______.

A. ADSL

B. CMTS

C. DOCSIS

D. MCNS


Question 6. In ________signaling, a portion of the bandwidth is used for signaling and another portion for data.

A. mixed

B. in-band

C. out-of-band

D. none of these


Question 7. Telephone companies provide two types of analog services: analog _______ services and analog _____services.

A. leased; out-of-band

B. out-of-band; in-band

C. switched; in-band

D. switched; leased


Question 8. In an HFC network, the downstream data are modulated using the _______ modulation technique.

A. PCM

B. QAM

C. PSK

D. ASK


Question 9. The traditional cable TV system used ________cable end to end.

A. twisted-pair

B. fiber-optic

C. coaxial

D. none of these


Question 10. The carrier that handles inter-LATA services is called a(n) _______.

A. IXC

B. LEC

C. POP

D. none of these

More Practice Quiz in Telephone and Cable Networks

Practice Quiz Part 1

Practice Quiz Part 2

Practice Quiz Part 3

Complete Practice Quiz in Data Communications and Networking

Note: After taking this particular quiz, you can proceed to check all the topics.


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