Computer Networking
Which of the following are TCP/IP protocols used at the Application layer of the OSI model?1. IP2. TCP3. Telnet4. FTP5. TFTP

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

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Computer Networking
Carrier is

the condition when two or more sections attempt to use the same channel at the same time
None of these
a continuous frequency capable of being modulated or impressed with a second signal
One or more conductors that serve as a common connection for a related group of devices
a collection of interconnected functional units that provides a data communications service among stations attached to the network

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