Network

LAN refer to

• Local Area Network

• Land Area Network

• Large Area network

• Load Area Network

a device used to connect between networks

• Switch

• Hub

• Router

• AP

if a device goes down in a ring network the effect on the network will be

• it has no effect.

• only the device next to it will not work.

• only the previous device will not work.

• the network will go down.

one of the following is not correct about NIC.

• it has a unique number

• you can't connect to the network without it.

• it is referring to Network Internal Connection.

• the MAC address store in it can't be changed.

one of the following is not correct about star topology.

• has a central device.

• easy to add and remove devices from.

• it is used for LAN networks.

• it uses a router as a central device.

in bus topology collision happened when

• two devices connected to each other.

• only one device tries to use the main line.

• a device sends messages while other devices do not use the main line.

• two devices try to use the main line at the same time.

to extend the coverage area for LAN network we use

• repeater

• router

• switch

• hub

during communication over a LAN network the addresses used is

• IP address

• MAC address

• Home address

• no need for an address system in LAN.

if you have LAN network with a hub as a central device

• the messages will be encrypted.

• only the sender and receiver can see the message.

• all devices can see the messages on the network.

• hup not used for LAN network.

in a ring network with five devices connected, the number of devices you can send and receive from is

• 5

• 4

• 3

• 2