Computer Networking
Establishing a virtual connection is functionally equivalent to

Placing a modem prior to a conversation
Placing a telephone call prior to a conversation
Physically connecting a DTE and DCE
Connecting as virtual memory
None of these

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Computer Networking
Synchronous protocols

are more reliable
allow faster transmission than asynchronous protocols do
are generally used by personal computers
transmit characters one at a time
None of these

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Computer Networking
You have your laptop directly connected into a router's Ethernet port. Which of the following are among the requirements for the copy flash tftp command to be successful?1. TFTP server software must be running on the router.2. TFTP server software must be running on your laptop.3. The Ethernet cable connecting the laptop directly into the router's Ethernet port must be a straight-through cable.4. The laptop must be on the same subnet as the router's Ethernet interface.5. The copy flash tftp command must be supplied the IP address of the laptop.

2, 4 and 5
5 only
1, 3 and 4
3 and 5 only

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Computer Networking
How should a router that is being used in a Frame Relay network be configured to keep split horizon issues from preventing routing updates?

Configure each Frame Relay circuit as a point-to-point line to support multicast and broadcast traffic.
Configure a separate subinterface for each PVC with a unique DLCI and subnet assigned to the subinterface.
Configure a single subinterface to establish multiple PVC connections to multiple remote router interfaces.
Configure many subinterfaces in the same subnet.

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