Computer interview questions – page 68

The ground station in VSAT communication is called

1. A.Hub
2. B.HTTP
3. C.Multiplexer
4. D.Repeater

____ unit(s) in a single bus structure communicate at a time.

1. A.One
2. B.Two
3. C.Three
4. D.Four

In a ___ topology, if there are n devices in a network, each device has n-1 ports for cable.

1. A.Bus
2. B.Mesh
3. C.Ring
4. D.Star

Where does bridge operate in OSI model?

1. A.Application layer
2. B.Data link layer
3. C.Physical layer
4. D.Both a and b

In a ring topology, the computer in possession of the ____ can transmit data.

1. A.Pocket
2. B.Access method
3. C.Data
4. D.Token

The layer is the layer closest to transmission medium

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

E- commerce is not suitable for

1. A.Sale/purchase of mobile phones
2. B.Sale/Purchase of branded clothes
3. C.Sale/Purchase of expensive jewellery and antiques
4. D.Online job searching

____ is used to refer amount of things.

1. A.Number representation
2. B.Number algorithms
3. C.Number system
4. D.Number words

Which of the following is required to communication between two computers?

1. A.Communication hardware
2. B.Communications software
3. C.Protocol
4. D.All of above including access to transmission medium

General guidelines of computer ethics are needed for ____

1. A.Cracking
2. B.Computer crime
3. C.Protection of personal data
4. D.All the above

"Cracking" comes under ____

1. A.Website Service
2. B.Transcription
3. C.Computer Crime
4. D.Data Security

____ is the illegal access to the network or computer system.

1. A.Security
2. B.Cracking
3. C.Virus
4. D.Piracy

____ is a set of rules for determining moral standards or socially acceptable behaviour.

1. A.Protocol
2. B.Standard
3. C.Ethics
4. D.None of the given

Running other software on idle computer without the knowledge of the organization is called theft of ____

1. A.Software
2. B.Computer
3. C.Computer time
4. D.Use

____ are the building blocks C++ programs.

1. A.Switch
2. B.For
3. C.If-else
4. D.Functions

How many types of scopes in C++?

1. A.2
2. B.3
3. C.4
4. D.5

Which function executes faster but requires more memory space?

1. A.Inline function
2. B.Regular function
3. C.Void function
4. D.Normal function

A variable declared above all blocks and functions has the ___

1. A.Class scope
2. B.Function scope
3. C.Local scope
4. D.Scope of a file

The starting point for the execution of a program is ___

1. A.Class
2. B.Public
3. C.Void ()
4. D.Main()

The return type of the function prototype float power (float,.int) is ___

1. A.Int
2. B.Float
3. C.Double
4. D.Char

The lifetime of a ___ variable is the life time of a program.

1. A.Global scope
2. B.Local scope
3. C.File scope
4. D.Function scope

In call by value method, the flow of data is always from the ___ statement to the function definition.

1. A.Call
2. B.Return
3. C.Function
4. D.Go to

A block of code begins and ends with ___

1. A.{}
2. B.[]
3. C.()
4. D.{]

The scope of any variable used in the entire program is ___

1. A.Class
2. B.Function
3. C.File
4. D.Local

If you use either Telnet or FTP, which is the highest layer you are using to transmit data?

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

Error detection at the data link level is achieved by

1. A.Equalization
2. B.Bit stuffing
3. C.Hamming codes
4. D.Cyclic redundancy codes

Which of the following techniques is used for allocating capacity on a satellite channel using fixed-assignment FDM?

1. A.Frequency-shift keying
2. B.Frequency modulation
3. C.Frequency-division multiple access
4. D.Amplitude modulation

The connection between your computer at home and your local ISP is called _____

1. A.The backbone
2. B.The home page
3. C.The home stretch
4. D.The last mile

Demodulation is the process of

1. A.Dividing the high-speed signals into frequency bands
2. B.Converting digital signals to analog signals
3. C.Converting analog signals to digital signals
4. D.Combining many low speed channels into one high speed channel

_____ refers to protecting data and computer system against dishonesty or negligence of employees.

1. A.Personnel security
2. B.Personal security
3. C.Physical security
4. D.None of these