Computer Networking
Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?1. Switch2. NIC3. Hub4. Repeater5. RJ45 transceiver

All of these
1 and 3
3 and 4
1 only
5 only

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
Contention is

the condition when two or more stations attempt to use the same channel at the same time
a collection of interconnected functional units that provides a data communications service among stations attached to the network
One or more conductors that serve as a common connection for a related group of devices
None of these
a continuous frequency capable of being modulated or impressed with a second signal

ANSWER DOWNLOAD EXAMIANS APP