Computer Networking
Which of the following technique is used for fragment?

None of these
a technique used in best-effort delivery systems to avoid endlessly looping packets
a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame
All of these
one of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size

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Computer Networking
The main difference between TCP and UDP is

UDP is connection oriented where as TCP is datagram service
None of these
All of these
UDP is a datagram where as TCP is a connection oriented service
TCP is an Internet protocol where as UDP is an ATM protocol

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Computer Networking
You get a call from a network administrator who tells you that he typed the following into his router:Router (config) #router ospf 1Router (config-router) #network 10.0.0.0 255.0.0.0 area 0He tells you he still can't see any routes in the routing table. What configuration error did the administrator make?

The OSPF Process ID is incorrect.
The AS configuration is wrong.
The wildcard mask is incorrect.
The OSPF area is wrong.

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