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Computer Networking

Computer Networking
Which of the following TCP/IP internet protocol a diskless machine uses to obtain its IP address from a server?

RARP
X.25
RDP
RIP
None of these

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Computer Networking
Which of the following communications service provides message preparation and transmission facilities?

Teletex
Fax
None of these
x400
Teletext

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Computer Networking
A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. If Delta modulation is selected, then how many bits per second are actually sent?

8 kbps
None of these
64 kbps.
128 kbps
32 kbps

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Computer Networking
You have a class A network address 10.0.0.0 with 40 subnets, but are required to add 60 new subnets very soon. You would like to still allow for the largest possible number of host IDs per subnet. Which subnet mask should you assign?

255.255.255.255
255.254.0.0
255.248.0.0
255.252.0.0
255.240.0.0

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Computer Networking
On a class B network, how many hosts are available at each site with a subnet mask of 248?

16,382
8,190
4,094
2,046
1,022

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Computer Networking
A distributed data processing configuration in which all activities must pass through a centrally located computer is called a:

hierarchical network
data control network
spider network
None of these
ring network

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