Computer interview questions – page 67

____ bits are there in the Ethernet address.

1. A.16 bits
2. B.32 bits
3. C.48 bits
4. D.64 bits

The first AT Systems have

1. A.12 bit ISA Bus
2. B.14 bit ISA Bus
3. C.16 bit ISA Bus
4. D.18 bit ISA Bus

A ____ often simply referred to as a network, is a collection of hardware components and computers interconnected by communication channels that allow sharing of resources and information.

1. A.Modem
2. B.WWW
3. C.Router
4. D.Computer network

Repeaters operate in which layer of OSI model?

1. A.Presentation layer
2. B.Transport layer
3. C.Application layer
4. D.Physical layer

How long is an IPv6 address?

1. A.32 bits
2. B.64 bits
3. C.128 bits
4. D.128 bytes

Which of the following terms is associated with network?

1. A.Connectivity
2. B.Word
3. C.Mouse
4. D.MS Excel

A ____ is a computer network that usually spans a city or a large campus.

1. A.WAN
2. B.LAN
3. C.MAN
4. D.DAN

Protecting the data from unauthorized access is called

1. A.Data inaccessibility
2. B.Data encryption
3. C.Data validity
4. D.Data security

____ refers to a family of IEEE standards dealing with local area network and metropolitan area network.

1. A.IEEE800
2. B.IEEE801
3. C.IEEE802
4. D.IEEE803

Which of the following is refers to a small single site network?

1. A.LAN
2. B.MAN
3. C.DSL
4. D.MAN

____ provides a connection oriented reliable service for sending messages.

1. A.IP
2. B.UDP
3. C.TCP
4. D.HTTP

What flavor of Network Address Translation can be used to have one IP address allow many users to connect to the global internet?

1. A.Dynamic
2. B.PAT
3. C.NAT
4. D.Static

SMTP, FTP and DNS are applications of the _____ layer.

1. A.Network
2. B.Transport
3. C.Data link
4. D.Application

You can protect sensitive data from prying eyes using

1. A.File permissions
2. B.File locks
3. C.Passwords
4. D.Encryption

A hacker contacts your phone or E-mail and attempts to acquire your password is called

1. A.Spamming
2. B.Spoofing
3. C.Phishing
4. D.None of these

The OSI model consists of ___ layers.

1. A.Five
2. B.Seven
3. C.Eight
4. D.Nine

Something which has easily understood instructions is said to be

1. A.Information
2. B.Icon
3. C.Word processing
4. D.User friendly

Each computer have a/an ____, and some ____

1. A.Internet Browsers, Document files
2. B.Operating System, Application Programs
3. C.Hard Disk, Programming Programs
4. D.Operating system, Tally

In ____ computers, computation is carried out with physical quantities such as voltage, length, current, temperature, etc.

1. A.Analog
2. B.Digital
3. C.Hybrid
4. D.Micro computer

In Computer terminology 'CAD' is stands for

1. A.Computer and Design
2. B.Computer and Device
3. C.Computer Algorithm in Design
4. D.Computer Aided Design

Modulation is the process of

1. A.Echoing every character that is received
2. B.Sending a file from one computer to another computer
3. C.Converting digital signals to analog signals
4. D.Converting analog signals to digital signals

Many low-shaped channels are interwoven into one high-speed transmission by

1. A.Frequency-division multiplexer
2. B.Time-division multiplexer
3. C.Both (a) and (b)
4. D.None of these

Which of the following is the difference between a multiplexer and a statistical multiplexer?

1. A.Multiplexer use X.25 protocol, while statistical multiplexers use the Alpha protocol
2. B.Statistical multiplexers need buffers while multiplexers do not need buffers
3. C.Multiplexers often waste the output link capacity while statistical multiplexers oppose its use
4. D.Multiplexers use Time Division multiplexing (TDM) while statistical multiplexers uses Frequency division multiplexing (FDM)

The synchronous modems are more costly than the asynchronous modems because

1. A.They operate with a larger bandwidth
2. B.They produce large volume of data
3. C.They contain clock recovery circuits
4. D.They transmit the data with stop and start bits

To connect a computer with a device in the same room, you might be likely to use

1. A.A ground station
2. B.A dedicated line
3. C.A coaxial cable
4. D.All of the above

Which of the following is the fastest media of data transfer?

1. A.Fiber optic
2. B.Co-axial cable
3. C.Untwisted wire
4. D.Telephone lines

Computer Network is

1. A.Sharing of resources and information
2. B.Collection of hardware components and computers
3. C.Interconnected by communication channels
4. D.All of the above

Full form of NIC

1. A.National Interface Card
2. B.Network Inter Connection
3. C.Network International Connection
4. D.Network Interface Card

We can insert a ___ in USB port of a system unit.

1. A.CD
2. B.DVD
3. C.Floppy
4. D.Pen drive

The speed at which the monitor accepts data is called

1. A.Response time
2. B.Interlacing
3. C.Bandwidth
4. D.Scanning