MCQ questions on Computer Networks
If a datagram router goes down then ________
(a) all packets will suffer
(b) only those packets which are queued in the router at that time will suffer
(c) Only those packets which are not queued in the router at that time will suffer
(d) no packets will suffer
b
The router algorithm takes the decision to changes the route when _____
(a) router changes
(b) topology changes
(c) user changes
(d) transmission time does not change
b
The regions in Hierarchical routing are grouped in to _____
(a) Clusters
(b) Zones
(c) Blocks
(d) Cells
a
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) Fowarding
(d) Flooding
d
In distance vector routing algorithm, each router maintains a separate routing table with the following entries
(a) preferred input line, estimated time
(b) preferred input line, estimated distance
(c) preferred output line, estimated time
(d) preferred output line, router
c
In distance vector routing algorithm, the routing tables are updated _____
(a) by exchanging information with the neighbours
(b) automatically
(c) using the backup database
(d) by the server
a
FDDI is an acronym for _____
(a) Fast data delivery interface
(b) Fiber distributed data interface
(c) Fiber distributed digital interface
(d) fast distributed data interface
b
Flow control policy is implemented in _____
(a) network layer
(b) transport layer
(c) application layer
(d) physical layer
b
Time out determination policy is used in _____
(a) network layer
(b) data link layer
(c) transport layer
(d) application layer
c
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
a
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