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MCQ

The basic Ethernet design does not provide

access control

addressing

automatic retransmission of a message

multiple virtual networks

None of the above

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MCQ

HDLC (High-level Data Link Control) is

a method of determining which device has access to the transmission medium at any time

a method access control technique for multiple-access transmission media

a very common bit-oriented data link protocol issued by ISO.

network access standard for connecting stations to a circuit-switched network

None of the above

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MCQ

The physical layer of a network

defines the electrical characteristics of signals passed between the computer and communication devices

controls error detection and correction

constructs packets of data and sends them across the network

All of the above

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

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MCQ

For data communications to occur, the communicating devices must be part of a communication system made up of a combination of?

WAN and LAN

Hardware and software

Full duplex and half duplex

All of the above

Discussion

MCQ

Which application allows a user to access and change remote files without actual transfer?

TELNET

NFS

FTP

DNS

None of the above

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Banking

Engineering

General

Medical

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Miscellaneous or General

Computer Basics

Computer Softwares

History and Generations

CPU and its components

Computer Languages

Computer Hardware

Input Devices

Output Devices

Computer Memory

Digital Logic Gate

Number System

Computer Codes

Operating System

Disk Operating System (DOS)

Database Systems

Computer Security and Viruses

Mixed

Computer Awareness

Files and its types

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