Computer Networking
How does a host on an Ethernet LAN know when to transmit after a collision has occurred?1. In a CSMA/CD collision domain, multiple stations can successfully transmit data simultaneously.2. In a CSMA/CD collision domain, stations must wait until the media is not in use before transmitting.3. You can improve the CSMA/CD network by adding more hubs.4. After a collision, the station that detected the collision has first priority to resend the lost data.5. After a collision, all stations run a random backoff algorithm. When the backoff delay period has expired, all stations have equal priority to transmit data.

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

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Computer Networking
A WATS arrangement

is less expensive than flat-rate service only when the number of calls is large and the duration of each is short
None of these
is never less expensive than flat-rate service
is less expensive than flat-rate service only when the number of calls is small and the duration of each is long
is always less expensive than flat-rate service

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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 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 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 no command has been typed in 35 seconds, the console connection will be closed.

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Computer Networking
RS-232-G

is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment
specifies only the mechanical characteristics of an interface by providing a 25-pin connector
None of these
requires only 7 pin out of 25 in order to transmit digital data over public telephone lines
is an interface between two data circuit terminating equipment as examplified by a local and remote modem

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