Computer Networking
What does the passive command provide to dynamic routing protocols?

Stops an interface from sending or receiving periodic dynamic updates.
Stops an interface from sending periodic dynamic updates but not from receiving updates.
Stops the router from sending any dynamic updates.
Stops the router from receiving any dynamic updates.

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Computer Networking
Parity bit is

None of these
the ratio of the number of data units in error to the total number of data units
a check bit appended to an array of binary digits to make the sum of all the binary digits.
a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and
an error-detecting code based on a summation operation performed on the bits to be checked.

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Computer Networking
Which of the following are benefits of VLANs?1. They increase the size of collision domains.2. They allow logical grouping of users by function.3. They can enhance network security.4. They increase the size of broadcast domains while decreasing the number of collision domains.5. They simplify switch administration.6. They increase the number of broadcast domains while decreasing the size of the broadcast domains.

1 and 5
1, 3 and 5
2 and 4
2, 3 and 6

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