Computer Networking
The Acme Corporation is implementing dial-up services to enable remote-office employees to connect to the local network. The company uses multiple routed protocols, needs authentication of users connecting to the network, and since some calls will be long distance, needs callback support. Which of the following protocols is the best choice for these remote services?

PPP
802.1
HDLC
Frame Relay
PAP

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Computer Networking
What command is used to stop RIP routing updates from exiting out an interface but still allow the interface to receive RIP route updates?

Router (config-router) # passive-interface s0
Router (config-router) # no routing updates
Router (config-if) # no routing
Router (config-if) # passive-interface

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Computer Networking
TCP is:

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

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