Computer Objective Question -4

1. Synchronous protocols 
(A) Transmit characters one at a time.
(B) Allow faster transmission than asynchronous protocols do.
(C) Are generally used by personal computers.
(D) All of the above.

ANSWER :-

2. In OSI network architecture, the dialogue control and token management are responsibilities of 

(A) Session layer
(B) Network layer
(C) Transport layer
(D) Data layere

ANSWER :-

3. The X.25standard specifies a 

(A) Technique for start -stop data
(B) Technique for dial access
(C) DTS/DCE in terface
(D) Data bet rate

ANSWER :-

4. The basic Ethernet design does not provide 

(A) Access control
(B) Addressing
(C) Automatic retransmission of a message
(D) Multiple virtual networks

ANSWER :-

5. Which of the following is not a standard synchronous com,munication protocol ?

(A) SDLS
(B) SMTP
(C) SLIP
(D) PAS

ANSWER :-

6. An example of a bounded medium is 

(A) Coxial cable
(B) Wave guide
(C) Fiber optic cable
(D) All of the above

ANSWER :-

7. The area of coverage of a satellite radio beam is known as 

(A) Footprint
(B) Circular Polarization
(C) Beam width
(D) Identity

ANSWER :-

8. The slowest transmission speeds are those of 

(A) Twisted pair wire
(B) Coxial cable
(C) Fiber-optic cable
(D) Microwaves

ANSWER :-

9. Error detection  at a data link is achieved by 
A. Bit Stuffing
B.  cyclic redundancy code
C. Hamming codes
D. Equalization

Answer : 

10. The 32-bit internet address 10000000000010100000001000011110 will be written in dotted decimal Notations as 
A. 148.20.2.30
B. 164.100.9.61
C. 210.20.2.64
D. 128.10.2.30

Answer : 

ANSWER : 
1 . B
2. B
3. A
4. C
5. A
6. D
7. C
8. A
9. C 
10. D