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Computer Science - Networking

Exercise : Networking - Section 5
31.
What is the minimum number of wires needed to send data over a serial communication link layer?
1
2
4
6
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
The _____ layer is the layer closest to the transmission medium.
transport
network
data link
physical
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
What is the name of the device that connects two computers by means of a telephone line?
Tape
modem
bus
cable
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
What is the main difference between DDCMP and SDLG?
DDCMP does not need special hardware to final the beginning of a message.
DDCMP has a message header
SDLC has a IP address
SDLC does not use CRC
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
On a class B network, how many subnets are available with a subnet mask of 248?
2
6
30
62
126
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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