Computer Networks Mock Test 5

10%

Question 1 of 10

1. Connection establishment in TCP is done by which mechanism?

Synchronization

Three-Way Handshaking

Forwarding

Flow control

Question 1 of 10

Question 2 of 10

2. The port number is “ephemeral port number”, if the source host is _______

Client

Echo

Server

NTP

Question 2 of 10

Question 3 of 10

3. What is FRAD in frame relay network?

FRAD assembles and disassembles the frames coming from other protocols

FRAD is used for error detection

FRAD is used for modulation and demodulation

FRAD is used for error recovery

Question 3 of 10

Question 4 of 10

4. A client that wishes to connect to an open server tells its TCP that it needs to be connected to that particular server. The process is called ___________

Passive open

Active close

Passive close

Active open

Question 4 of 10

Question 5 of 10

5. In segment header, sequence number and acknowledgement number fields refer to _______

Byte number

Buffer number

Acknowledgment

Segment number

Question 5 of 10

Question 6 of 10

6. The value of acknowledgement field in a segment defines _______

total number of bytes to receive

sequence of zeros and ones

sequence number of the byte received previously

sequence number of the next byte to be received

Question 6 of 10

Question 7 of 10

7. Frame relay has _______

only data link layer

only network layer

both physical and data link layer

only physical layer

Question 7 of 10

Question 8 of 10

8. In the congestion avoidance algorithm, the size of the congestion window increases ____________ until congestion is detected.

additively

suddenly

exponentially

multiplicatively

Question 8 of 10

Question 9 of 10

9. Virtual circuit identifier in frame relay is called ______

circuit connection identifier

frame relay identifier

cell relay identifier

data link connection identifier

Question 9 of 10

Question 10 of 10

10. IP Security operates in which layer of the OSI model?

Application

Physical

Transport

Network

Question 10 of 10