Computer Networking
Which of the following is not a disadvantage of wireless LAN?

Slower data transmission
higher error rate
All of these
interference of transmissions from different computers

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

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Computer Networking
Which of the following technique is used for Time-To-Line (TTL)?

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.
a technique used in best-effort delivery system to avoid endlessly looping packets.
None of these
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

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Computer Networking
The network layer, in reference to the OSI model, provide

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

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