Computer Networking
Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?

Attenuation
Modem
None of these
Interface
Teleprocessor

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Computer Networking
Which of the following is true when describing an anycast address?

Packets addressed to a unicast address are delivered to a single interface.
These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.
Packets are delivered to all interfaces identified by the address. This is also called one-to-many addresses.
This address identifies multiple interfaces and the anycast packet is only delivered to one address. This address can also be called one-to-one-of-many.

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Computer Networking
Which of the following is true regarding VLANs?

VTP is used to send VLAN information to switches in a configured VTP domain.
You should not have more than 10 switches in the same VTP domain.
You must have at least two VLANs defined in every Cisco switched network.
All VLANs are configured at the fastest switch and, by default, propagate this information to all other switches.

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