LAN and WAN Certification Exam Questions And Correct Answers Guaranteed Pass.
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Course
WAN.
Institution
WAN.
Network Interface Card - correct answer A Network Interface Card (NIC) is an interface fitted inside a personal computer or network terminal which allows it to communicate with other machines over a network. The card technology will vary according to the network used, but every card on a netwo...
Network Interface Card - correct answer A Network Interface Card (NIC) is an interface fitted inside a
personal computer or network terminal which allows it to communicate with other machines over a
network. The card technology will vary according to the network used, but every card on a network
must have some way of uniquely identifying itself and some means of converting the signals form the
computer to a form which can be transmitted over the connection.
Local Area Network - correct answer A system for linking a number of computers, workstations, etc,
with a main computer in order to share data, info, printers etc. Usually confined in one office or building.
Wide Area Network - correct answer A WAN is a network designed to facilitate communications
between users and applications over large distances. It is also referred to as internetworking because it
ultimately represents a network made up of other networks. It links together two or more separate
LANs. It spans distances that are measured in miles. The Internet is an example.
Modem - correct answer A communications device that converts computer characters into out going
signals and converts incoming signals into computer characters - Telecommunication device (essential
for connecting computer to a network)
Router - correct answer A router will accept incoming data packets arriving from a connected Local
Area Network, it will then read the destination address emedded in each data packet and work out
which of the other LANs it is connected to is the best one to use for that particular data packet.
Simplex - correct answer Can only transfer data in a single direction (broadcast radio)
Duplex - correct answer Data can be transfered in both direction simultaniously
Half-Duplex - correct answer Data can be transfered in both diections, but only one at a time.
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