Computer Networks Practice Test 5

1. ATM standard defines _______ layers.

2. Which of the following is true for character mode operation of telnet implementation?

each character typed is discarded by the server

each character type is aggregated into a line and then sent to the server

each character typed is aggregated into a word and then sent to the server

each character typed is sent by the client to the server

3. The receiver of the data controls the amount of data that are to be sent by the sender is referred to as ___________

Error detection

Error control

Flow control

Congestion control

4. Return value of the UDP port “Chargen” is _______

Array of characters with integers

Array of zero’s and one’s

String of characters

String of integers

5. Which of the following is false with respect to TCP?

Connection-oriented

Transport layer protocol

Process-to-process

Unreliable

6. 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 ___________

Active open

Passive close

Active close

Passive open

7. Steps required in setup process are ___________

Setup request and setup termination

Setup and termination steps

Setup request and setup response

Setup request and acknowledgement

8. Frame Relay is cheaper than other _____

WANs

Multipoint Networks

MANs

LANs

9. The technique in which a congested node stops receiving data from the immediate upstream node or nodes is called as _______

Admission policy

Forward signaling

Backpressure

Backward signaling

10. Which two types of IPsec can be used to secure communications between two LANs?

ESP tunnel mode

AH tunnel mode

Both AH tunnel mode and ESP tunnel mode

ESP transport mode