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Computer Science - Networking

Exercise : Networking - Section 1
16.
Contention is
One or more conductors that serve as a common connection for a related group of devices
a continuous frequency capable of being modulated or impressed with a second signal
the condition when two or more stations attempt to use the same channel at the same time
a collection of interconnected functional units that provides a data communications service among stations attached to the network
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Avalanche photodiode receivers can detect hits of transmitted data by receiving
100 photons
200 photons
300 photons
400 photons
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Satellite-Switched Time-Division Multiple Access (SS/TDMA) is
the method of determining which device has access to the transmission medium at any time.
a medium access control technique for multiple access transmission media
a form of TDMA in which circuit switching is used to dynamically change the channel assignments
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
When you ping the loopback address, a packet is sent where?
On the network
Down through the layers of the IP architecture and then up the layers again
Across the wire
through the loopback dongle
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Which of the following TCP/IP protocol is used for transferring electronic mail messages from one machine to another?
FTP
SNMP
SMTP
RPC
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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