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Computer Networking

Computer Networking
On a class B network, how many subnets are available with a subnet mask of 248?

6
126
30
2
62

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Computer Networking
In a PC to telephone hookup for long distance communication, modem is connected between the telephone line and

synchronous port
None of these
PC
crossover cable
asynchronous port

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Computer Networking
Which encapsulations can be configured on a serial interface?1. Ethernet2. Token Ring3. HDLC4. Frame Relay5. PPP

1 and 4
3, 4 and 5
2 only
All of these

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Computer Networking
Different computers are connected to a LAN by a cable and a/an

telephone lines
interface card
None of these
modem
special wires

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Computer Networking
You are working with a class C network. You are required to configure it for five subnets, each of which will support 25 nodes. What subnet should you use?

255.255.255.224
255.255.255.240
255.255.255.0
255.255.255.248
255.255.255.252

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Computer Networking
The slowest transmission speeds are those of

coaxial cable
microwaves
twisted-pair wire
fiber-optic cable

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