Computer Networking
When a group of computers is connected together in a small area without the help of telephone lines, it is called

Value added network (VAN)
Wide area network (WAN)
Local area network(LAN)
Remote communication network (RCN)
None of these

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Computer Networking
The data-link layer, in reference to the OSI model, specifies

the virtual circuit interface to packet-switched service
the interface between the X.25 network and packet mode device
data link procedures that provide for the exchange of data via frames that can be sent and received
None of these
All of these

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Computer Networking
Which two of the following are true regarding the distance-vector and link-state routing protocols?1. Link state sends its complete routing table out all active interfaces on periodic time intervals.2. Distance vector sends its complete routing table out all active interfaces on periodic time intervals.3. Link state sends updates containing the state of its own links to all routers in the internetwork.4. Distance vector sends updates containing the state of its own links to all routers in the internetwork.

1 only
3 only
2 and 3 only
None of these

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