Computer Networking
You are unsuccessful in telnetting into a remote device. What could the problem be?1. IP addresses are incorrect.2. Access control list is filtering Telnet.3. There is a defective serial cable.4. The VTY password is missing.

1 only
3 only
All of these
2 and 4 only

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Computer Networking
The application layer of a network

consists of software being run on the computer connected to the network
defines the user's port into the network
establishes, maintains, and terminates virtual circuits
None of these
All of these

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