Computer Networking
What are reasons for creating OSPF in a hierarchical design?1. To decrease routing overhead2. To speed up convergence3. To confine network instability to single areas of the network4. To make configuring OSPF easier

2, 3 nd 4
1, 2 and 3
3 only
3 and 4

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Computer Networking
Bandlimited signal is

a signal all of whose energy is contained within a finite frequency range
All of these
simultaneous transmission of data to a number of stations
None of these
transmission of signals without modulation

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