Computer Networking
What frequency range is used for FM radio transmission?

None of these
Very Low Frequency : 3 kHz to 30. kHz
Very High Frequency : 30 MHz to 300 MHz
High Frequency : 3 MHz to 30 MHz
Low Frequency : 30 kHz to 300 kHz

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Computer Networking
Which of the following is true when describing a multicast address?

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 a one-to-many address.
Identifies multiple interfaces and is only delivered to one address. This address can also be called one-to-one-of-many.
Packets addressed to a unicast address are delivered to a single interface.

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Computer Networking
What is route poisoning?

It sends back the protocol received from a router as a poison pill, which stops the regular updates.
It prevents regular update messages from reinstating a route that has just come up.
It is information received from a router that can't be sent back to the originating router.
It describes when a router sets the metric for a downed link to infinity.

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Computer Networking
An encyclopedic database

is generally free
None of these
is an information utility that specializes in storing and searching information
is easy for beginners to use
All of these

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