What is the full form of URL?
Answer: D
Correct answer: Uniform resource locator
URL stands for Uniform Resource Locator - the address that says which protocol to use, which host to ask and which resource to request.
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When computers are connected in LAN then
Answer: A
Correct answer: Computers can share information and share peripheral equipment
A LAN allows files and devices to be shared. It does not make any individual machine faster, and reaching the internet requires a further connection beyond the local network.
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What are the requirements of wide area networks?
Answer: D
Correct answer: All of the above
A wide area network needs compatible equipment at each site, communication links of adequate bandwidth to span the distance, and processing capable of handling the traffic.
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_____________ is a search engine
Answer: B
Correct answer: Google
Google is a search engine; Internet Explorer and Firefox are browsers, which are how a search engine is reached, and Flash was a plug-in for animation.
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Based on the packet’s address, the device that has been designed to forward packets to specific ports is
Answer: D
Correct answer: Switching hub
A switching hub, or switch, reads the destination address in each frame and forwards it only to the port where that address lies, instead of repeating it to every port as a plain hub does.
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____________ topology is not of broadcast type.
Answer: A
Correct answer: Star
Bus and ring both deliver every signal to every station, so both are broadcast topologies. In a star the central device forwards each transmission only where it is needed, so the arrangement is not broadcast by nature.
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Which one of the following devices is needed to communicate with computers using telephone lines?
Answer: B
Correct answer: Modem
A telephone line carries an analogue signal, so a modem is needed to convert the computer's digital data for transmission and back again on arrival.
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If and email is received by an unknown person then
Answer: C
Correct answer: It should be deleted without opening it
An unexpected message from an unknown sender may carry malware in its attachment or a link to a fraudulent site, and replying at all confirms that the address is live. Deleting it unopened is the only response that gives the sender nothing.
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What does PROTOCOL consists of?
Answer: D
Correct answer: TCP/IP
The internet protocol suite is TCP/IP - Transmission Control Protocol over Internet Protocol. The other three options are misspellings of it.
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To subnet LAN directly on the network server and to protect the resources of company that receives internet access through a network or gateway resources, the device which is best suited is
Answer: C
Correct answer: A multi-homed firewall
A multi-homed firewall has an interface on each network it joins, so it both separates the subnets and applies rules to everything passing between them and the outside. A router or VLAN separates without filtering, and a modem does neither.
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