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
2 and 4 only
All of these
3 only

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Computer Networking
TCP is:

Connectionless and unreliable
Connection orientated and unreliable
Operates at the Data Link layer
Connection orientated and reliable
None of these

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