Computer Networking
The main difference between TCP and UDP is

All of these
UDP is connection oriented where as TCP is datagram service
UDP is a datagram where as TCP is a connection oriented service
TCP is an Internet protocol where as UDP is an ATM protocol
None of these

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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.

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

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