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MCQ

In OSI model, which of the following layer provides error-free delivery of data?

Data link

Network

transport

Session

None of the above

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MCQ

The most important part of a multiple DHCP configurations is to make sure you don't have which of the following in the different scopes? Select the best answer.

Duplicate addresses

Duplicate pools

Duplicate subnets

Duplicate default gateways

None of the above

Discussion

MCQ

Which of the following communications modes support two-way traffic but in only one direction of a time?

simplex

half-duplex

three-quarters duplex

full-of the above

None of the above

Discussion

MCQ

Different computers are connected to a LAN by a cable and a/an

modem

interface card

special wires

telephone lines

None of the above

Discussion

MCQ

Error rate is

an error-detecting code based on a summation operation performed on the bits to be checked.

a check bit appended to an array of binary digits to make the sum of all the binary digits.

a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and

the ratio of the number of data units in error to the total number of data units

None of the above

Discussion

MCQ

Which of the following network access standard is used for connecting stations to a packet-switched network?

X.3

X.21

X.25

X.75

None of the above

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History and Generations

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Number System

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Disk Operating System (DOS)

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Files and its types

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