Computer Networking
Which statements are true regarding ICMP packets?1. They acknowledge receipt of a TCP segment.2. They guarantee datagram delivery.3. They can provide hosts with information about network problems.4. They are encapsulated within IP datagrams.

2, 3 and 4
2 and 3
1 only
3 and 4

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Computer Networking
You need to configure a router for a Frame Relay connection to a non-Cisco router. Which of the following commands will prepare the WAN interface of the router for this connection?

Router(config-if)# encapsulation frame-relay ietf
Router(config-if)# encapsulation frame-relay cisco
Router(config-if)# encapsulation frame-relay q933a
Router(config-if)# encapsulation frame-relay ansi

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Computer Networking
TCP is:

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

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