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Computer Networking

Computer Networking
What is the minimum number of wires required for sending data over a serial communications links?

1
4
3
None of these
2

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Computer Networking
If a host on a network has the address 172.16.45.14/30, what is the subnetwork this host belongs to?

172.16.45.8
172.16.45.0
172.16.45.4
172.16.45.12
192.168.10.126

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Computer Networking
Suppose that you have a customer who has a central HQ and six branch offices. They anticipate adding six more branches in the near future. They wish to implement a WAN technology that will allow the branches to economically connect to HQ and you have no free ports on the HQ router. Which of the following would you recommend?

ISDN
HDLC
PPP
Frame Relay

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Computer Networking
Error control is needed at the transport layer because of potential errors occurring _____.

in routers
from packet losses.
from transmission line noise
from out-of-sequence delivery

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Computer Networking
The first step in troubleshooting many problems is to verify which of the following?

The BDC is operable
TCP/IP is installed correctly on the client
The subnet mask is valid
None of these
The WINS server is running

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Computer Networking
To enable EIGRP, which of the following would you use?1. Router1(config-if)# ipv6 ospf 10 area 0.0.0.02. Router1(config-if)# ipv6 router rip 13. Router1(config)# ipv6 router eigrp 104. Router1(config-rtr)# no shutdown5. Router1(config-if)# ipv6 eigrp 10

5 only
3, 4 and 5
1 and 3
1, 3 and 5

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