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
All of these
1 and 3
3, 4 and 5

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Computer Networking
ARP (Address Resolution Protocol) is

None of these
a protocol used to monitor computers
a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
a protocol that handles error and control messages
a TCP/IP high level protocol for transferring files from one machine to another

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