Practice Test: Question Set - 05
1. ________is used to validate the identity of the message sender to the recipient
- (A) Encryption
- (B) Decryption
- (C) Digital
certificate
- (D) None
of these
2. If the source deduces the existence of congestion by making local observations, such as the time needed for acknowledgements to come called as _________
- (A) Explicit
feedback algorithm
- (B) Implicit
feedback algorithm
- (C) Explicit
forward algorithm
- (D) Implicit
forward algorithm
3. In distance vector routing the delay metric is _________
- (A) Number
of hops
- (B) Geographical
distance
- (C) Number
of neighbors
- (D) Queue
length
4. In Broadcast routing, if the router does not know anything all about spanning tree, _________ method is preferred.
- (A) Reverse
Path forwarding
- (B) Multi-destination
- (C) Flooding
- (D) Spanning
tree
5. In military applications where large number of routers may be blown to bits at any instant, we use _________
- (A) Shortest
path first
- (B) First
come first serve
- (C) Forwarding
- (D) Flooding
6. If route from router I to router J is computed on line based on the current statistics, then it is called as ________.
- (A) Dynamic
routing
- (B) Session
routing
- (C) Temporary
routing
- (D) None
of these
7. In ________ circuit switching, delivery of data is delayed because data must be stored and retrieved from RAM.
- (A) Space
division
- (B) Time
division
- (C) Virtual
- (D) None
of these
8. In datagram subnet new route is chosen _________
- (A) For
every packet sent
- (B) For
all the packet sent
- (C) Only
for the first packet
- (D) For
the packet which is not transmitted
9. 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
10. If the buffer fills and a packet segment is dropped, then dropping all the rest of the segments from that packet, since they will be useless is called _________
- (A) Priority
dropping
- (B) Tail
dropping
- (C) Age
based dropping
- (D) None
of these
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