Computer Networking
Parity bit is

the ratio of the number of data units in error to the total number of data units
an error-detecting code based on a summation operation performed on the bits to be checked.
None of these
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

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Computer Networking
You type show running-config and get this output:[output cut]Line console 0 Exec-timeout 1 35 Password BIXPASSWD Login[output cut]What do the two numbers following the exec-timeout command mean?

If no router activity has been detected in 1 hour and 35 minutes, the console will be locked out.
If no commands have been typed in 1 minute and 35 seconds, the console connection will be closed.
If you're connected to the router by a Telnet connection, input must be detected within 1 minute and 35 seconds or the connection will be closed.
If no command has been typed in 35 seconds, the console connection will be closed.

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Computer Networking
You have created a named access list called Blocksales. Which of the following is a valid command for applying this to packets trying to enter interface s0 of your router?

(config)# ip access-group 110 in
(config-if)# ip access-group 110 in
(config-if)# blocksales ip access-list in
(config-if)# ip access-group Blocksales in

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