The resources to all the computers in network are provided by the server which is a computer and they are connected by
Answer: C
Correct answer: Network
The server and the machines it serves are joined by a network; the clients are what it serves rather than what connects them.
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What is the use of video conferencing?
Answer: B
Correct answer: It is used for live conferencing
Video conferencing carries live picture and sound between two or more places at once, so a meeting can be held without the participants travelling. Ordinary communication and talking are what it is a particular form of, not what distinguishes it.
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Which one of the following is the most important or powerful computer in a network?
Answer: C
Correct answer: Network Server
The server stores the shared data and runs the shared services, so it is both the most capable machine and the one everything else depends on.
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The network that can be reached only from inside an organisation is the
Answer: A
Correct answer: Intranet
An intranet uses internet technologies but is reachable only from inside the organisation. An extranet extends limited access to chosen outsiders, and a VPN carries a private connection over the public internet.
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What is the term used for talking on net with the help of typed text?
Answer: C
Correct answer: Chatting
Chatting is real-time conversation by typed text. E-mail is not real-time, and a newsgroup is a posted discussion rather than a live exchange.
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The internal network of a company is very large and would like to subnet into smaller parts. From the options given below, the device that will not be used to separate LAN and still protect critical resources is
Answer: A
Correct answer: The modem between computers
Routers, firewalls and switches all divide a network into parts and control what passes between them. A modem converts signals for transmission over a line; it does not subnet anything or filter traffic, so it neither separates the LAN nor protects it.
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A small single site network is nothing but a
Answer: D
Correct answer: LAN
A network confined to a single site is a local area network. A MAN covers a city, DSL is an access technology and RAM is memory.
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Connectivity is similar to
Answer: A
Correct answer: Power cord
Connectivity is what joins a device to the resources it needs, in the way a power cord joins it to the supply - the point of the comparison is that both are links rather than things in themselves. The internet is one thing you may connect to, and a floppy disk and data are not connections at all.
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Which topology is used in Ethernet?
Answer: C
Correct answer: Bus
Classic Ethernet was a shared coaxial bus along which every station listened, and even when hubs replaced the cable the logic stayed the same: one shared medium with contention resolved by CSMA/CD.
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These are the components of an Ethernet LAN except
Answer: B
Correct answer: Access point
Coaxial cable, fibre and shielded twisted pair are all cabling used in Ethernet. An access point belongs to a wireless network, which is a different medium.
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