What is the advantage of LAN?
Answer: D
Correct answer: Share peripherals
A LAN lets several machines use one printer or one file store. Backing up and reaching the web are possible without a local network, so neither is what the LAN itself provides.
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What term is often used for an email account that includes a storage area?
Answer: C
Correct answer: Mailbox
A mailbox is the account together with the storage that holds its messages. An IP address identifies a machine and an attachment is a file carried with a message.
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Which one of the following statement is not the benefit of firewall?
Answer: D
Correct answer: It protects against virus
A firewall controls which connections may cross a boundary, and it can log that traffic and enforce policy. It does not inspect the contents of files for malicious code, which is what antivirus software is for - so protection against viruses is the benefit it does not provide.
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In a LAN network which one of the following allows users to share computer programs and data?
Answer: A
Correct answer: File server
A file server holds programs and data centrally so that every user on the LAN can reach the same copy. A print server shares a printer and a communication server shares a link, neither of which is about sharing programs and data.
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The term which is used to see web pages is called
Answer: D
Correct answer: A browser
A browser requests pages over HTTP and renders the HTML it receives. A protocol is the set of rules it uses, not the program.
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The Rate of transfer of data in LAN is
Answer: B
Correct answer: Mega bits per second
LAN speeds are quoted in megabits per second - 10, 100 and 1000 Mbps for the successive generations of Ethernet. Kilobit rates belong to dial-up modems.
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In email address, the symbol that is used to separate the user name with the ISP address is
Answer: C
Correct answer: @
The @ sign separates the user name from the domain of the mail host: user@example.com. It was chosen precisely because it appeared in no name.
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The statement which does not hold true for modems is
Answer: A
Correct answer: The fastest transfer rate is 56kbps
56 kbps is the ceiling for a dial-up modem on a voice line, but cable and DSL modems run far faster, so the statement is not true of modems in general. The other two statements - the expansion of the name and the use of telephone lines - hold for the dial-up modem the question has in view.
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One can access email from anywhere with the help of
Answer: C
Correct answer: Webmail interface
A webmail interface keeps the messages on the provider's server and presents them through a browser, so the mail is reachable from any machine with a connection. A local mail program keeps them on one computer.
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It is not a part of email address
Answer: D
Correct answer: Space ( )
An address may contain letters, digits, dots, underscores and hyphens, and exactly one @. A space is not permitted, since it would end the address wherever it appeared.
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