# Practice Quiz in Data Link Control Part 2

Online Practice Quiz in Data Link Control part 2 from the book Data Communications and Networking 4th Edition by Behrouz A. Forouzan.

This is the Online Practice Quiz in Data Link Control part 2 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.

### Continue Part II of the Online Practice Quiz

#### Quiz in Data Link Control

Question 11. In the Go-Back-N Protocol, if the size of the sequence number field is 8, the sequence numbers are in ________ arithmetic,

A. modulo-256

B. modulo- 8

C. modulo-2

D. None of these

Question 12. The Stop-And-Wait ARQ, Go-Back-N ARQ, and the Selective Repeat ARQ are for ______ channels.

A. noiseless

B. noisy

C. either (a) or (b)

D. neither (a) nor (b)

Question 13. In Go-Back-N ARQ, if frames 4, 5, and 6 are received successfully, the receiver may send an ACK _______ to the sender.

A. 5

B. 6

C. 7

D. any of these

Question 14. In _________, the configuration is balanced. The link is point-to-point, and each station can function as a primary and a secondary.

A. ARM

B. ABM

C. NBM

D. NRM

Question 15. In PPP, the ________ is responsible for establishing, maintaining, configuring, and terminating links.

A. PAP

B. CHAP

C. LCP

D. NCP

Question 16. The _______Protocol has both flow control and error control.

A. Stop-and-Wait

B. Selective-Repeat ARQ

C. Go-Back-N ARQ

D. both (b) and (c)

Question 17. In Stop-and-Wait ARQ, we use sequence numbers to number the frames. The sequence numbers are based on __________arithmetic.

A. modulo-m

B. modulo-2

C. modulo-4

D. None of these

Question 18. In ________ framing, we need a delimiter (flag) to define the boundary of two frames.

A. standard

B. fixed-size

C. variable-size

D. None of these

Question 19. The _______Protocol has flow control, but not error control.

A. Selective-Repeat ARQ

B. Stop-and-Wait

C. Simplest

D. Go-Back-N ARQ

Question 20. _______ in the data link layer separates a message from one source to a destination, or from other messages going from other sources to other destinations.

A. Controlling

B. Framing

C. Digitizing

D. none of these

### More Practice Quiz in Data Link Control

Practice Quiz Part 1

Practice Quiz Part 2

Practice Quiz Part 3

Practice Quiz Part 4

Practice Quiz Part 5

### 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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