Question # 1

The Media Access Control sub layer resides in which layer

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Data link

Physical

Network

Transport

IEEE 802.3 is

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Device Name

Protocol

Topology

None

If one or more computers are connected to a central Hub, this topology is called

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Ring topology

Bus topology

Star topology

Modulation

The business conducted with the help of computer network is called

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E-commercial

E-commerce

E-comunication

Nothing

Step-by-step instructions that run the computer are.

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hardware

documents

programs

CPUs

Which one the common protocols is used for E-mail?

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FTP

PPP

SMTP

POP

What does ISDN stands for?

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International Service Data Network

International Service Digital Network

Integrated Service Data Network

Integrated Service Digital Network

During E time the ALU

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examines the instruction

enters the instruction

executes the instruction

elicits the instruction

A LAN is a combination of.

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LAN cables

Network adapter card

LAN Application Software

All of the above

Computer operations are synchronized by.

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the CPU clock

megabytes

the binary system

E-time

Which of the following is a Correct definition of volatile memory?..

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It is the latest type of bubble memory

It loses its contents at high ambient temperatures

Its contents are lost on failure of power supply

It has to be kept in air tight boxes always

OSI model has

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11 layers

7 layers

3 layers

10 layers

The unit that transform data in informaion is the

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CPU

ROM

DVD

OCR

Which of the following is Internet Protocol?

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Y25

TCP/IP

PCT/PI

ITTT

A bootstrap is.

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a memory device

a device to support the computer

a small initialization program to start up a computer

an error correction technique

A CPU has

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control unit consisting of program counter and instruction decoded,and arithmetic unit having accumulator.

bubble memory

visual display unit

auxiliary storage unit

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