1. Packet
discard policy is implemented in .................
(A) Physical layer (B) Data link layer
(C) MAC layer (D)
Network layer
Answer: D
2. The
solution to decrease the load on the network when congestion occurs is
.................
(A) splitting the traffic over multiple
routes
(B) increasing the transmission power
(C) usage of spare routers
(D) denying service to the users
Answer: D
3. While
booting the system the IP address is ................
(A) 1.1.1.1 (B)
1.1.0.0
(C) 0.0.1.1 (D)
0.0.0.0
Answer: D
4. In
open loop congestion control techniques, the decisions are based on the
...............
(A) without regard to the current state of
the network
(B) with regard to the current state of the
network
(C) with regard to the choice of the host
(D) without regard to the choice of the host
Answer: A
5. In
closed loop congestion control techniques, the decisions are based on the
.................
(A) concept of a feedback loop
(B) concept of a forward loop
(C) concept of current state of network
(D) None of these
Answer: A
6. ..………..is
used to validate the identity of the message sender to the recipient
(A) Encryption (B) Decryption
(C) Digital certificate (D) None of these
Answer: C
7. When
too many packets are present in the subnet, and performance degrades then it
leads to ....................
(A) Ingestion (B)
Congestion
(C) Digestion (D)
Diffusion
Answer: B
8. What
is it goal of congestion control?
(A) making sure that subnet is not able to
carry the offered traffic
(B) making sure that subnet will allow more
than the offered packets
(C) making sure that subnet is able to carry
the offered traffic
(D) making sure that subnet will not allow
any traffic
Answer: C
9. The
service of open loop congestion control technique is .......................
(A) monitor the system to detect when and
where congestion occurs
(B) when to accept new traffic
(C) pass the information to places where
action can be taken
(D) adjusting the system to correct the
problem
Answer: B
10. In
............... case higher bandwidth can be achieved.
(A) connectionless networks (B) connection oriented networks
(C) virtual circuit networks (D) optical networks
Answer: A
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