Q. In military applications where large number of routers may be blown to bits at any instant, we use ...................

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Q. In distributed applications, it is sometimes necessary to update all the databases concurrently, we use .......................

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Q. The set of optimal routes from all sources to a given destination from a tree rooted to the destination is known as .................

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Q. Adaptive routing algorithms get their information from .............

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Q. If the route from I to J is computed in advance, off line, and downloaded to the routers when the network is booted is called as ...................

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Q. In Hierarchical routing for N router subnet, the optimal number of levels is ..............

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Q. The router algorithm takes the decision to changes the route when .................

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Q. If route from router I to router J is computed on line based on the current statistics, then it is called as ....................

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Q. If the subnet uses virtual circuits internally, routing decisions are made only when a new virtual circuit is being setup. This is called as.................

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Q. ................. change their routing decisions to reflect changes in the topology.

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Q. If router J is on the optimal path from router I to router K, then the path from J to K along the same route is ..................

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Q. If router J is on the optimal path from router I to router K, then the optimal path from J to K also falls along the same route is known as ....................

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Q. If a datagram router goes down then ..............

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Q. In datagram subnet new route is chosen .....................

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Q. The PSTN is an example of a ..................... network.

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Q. Each packet is routed independently in ...................

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Q. A station in a network forwards incoming packets by placing them on its shortest output queue. What routing algorithm is being used?

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Q. Eight stations are competing for the use of a shared channel using the 'Adaptive tree Walk Protocol'. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention?

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Q. Which of the following is the address of the router?

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Q. Establishing a virtual connection is functionally equivalent to

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