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Networking Concepts Quiz

Total questions: 59

Worksheet time: 30mins

Name
Class
Date
1.

A communications protocol used to send e-mail across a network or the Internet:

a)

Simple mail transfer protocol (SMTP)

b)

Local mail service protocol (LMSP)

c)

Regional mail service protocol (RMSP)

d)

Global mail service protocol (GMSP)

e)

DNS mail address protocol (DMAP)

2.

A type of operating system that provides management tools for distributed networks, e-mail servers, and Web hosting sites:

a)

Global operating system

b)

Local operating system

c)

Server operating system

d)

Regional operating system

e)

DNS operating system

3.

Software that creates an operating environment that emulates another computer platform:

a)

Virtual machine

b)

Linux, Ubuntu

c)

Unix, Windows

d)

Linux, Macintosh

e)

Ubuntu, Windows Server

4.

Circuitry, often on an expansion card mounted inside a computer, that transmits and receives data on a local area network:

a)

Network interface card

b)

Network image adapter

c)

Network sound adapter

d)

PCI Express adapter

e)

Network DMA adapter

5.

There are main parameters to identify workstation in a network:

a)

MAC address (Media Access Control address)

b)

IP address

c)

TCP/IP address

d)

Proxy server address

e)

DMA address

6.

An important network devices acts as a central distribution point to transfer data to its destination:

a)

Switches, Gateways

b)

Routers, Bridges, Protocols

c)

Protocols

d)

Server operating system

e)

DMA address

7.

The OSI (Open Systems Interconnection) model has seven layers, which can be divide on two groups. Network components identified on some of this two levels:

a)

Physical

b)

Logical

c)

Abstract Protocols

d)

ELT model component

e)

PCI level

8.

It is designed to allow peer entities on the source and destination hosts to carry on a conversation, two end-to-end transport protocols have been defined here:

a)

PTP (Physical Transport Protocol)

b)

LTP (Logical Transport Protocol)

c)

TCP (Transmission Control Protocol)

d)

UDP (User Datagram Protocol)

e)

TSP (Transport Service Protocol)

9.

On the top of the transport layer is the application layer. It contains all the higher-level protocols:

a)

IP (Internet Protocol)

b)

ICMP (Internet Control Message Protocol)

c)

TCP (Transmission Control Protocol)

d)

Virtual Terminal (TELNET), file transfer (FTP)

e)

File Transfer Protocol (FTP)

10.

The application layer is the higher-level protocol:

a)

HTTP, SMTP

b)

RTP, FTP

c)

POP3, LTP

d)

FTP, TCP

e)

IMAP, ICMP

11.

Twisted-pair cabling comes in several varieties. Links that can be used in both directions at the same time or only one way at a time:

a)

Full-duplex

b)

Half-duplex

c)

All -duplex

d)

Single - duplex

e)

Twisted - pair

12.

Common transmission medium is the coaxial cable. Kinds of coaxial cable are widely used:

a)

50-ohm cable

b)

75-ohm cable

c)

25-ohm cable

d)

15 ohm cable

e)

10-ohm cable

13.

Computer network has several advantages:

a)

Viruses can spread to other computers throughout a computer network

b)

Data is easy to backup as all the data is stored on the file server

c)

Sharing devices such as printers saves money

d)

There is a danger of hacking, particularly with wide area

e)

Purchasing the network cabling and file servers can be expensive

14.

Computer network has several disadvantages:

a)

Viruses can spread to other computers throughout a computer network

b)

Data is easy to backup as all the data is stored on the file server

c)

Sharing devices such as printers saves money

d)

Files can easily be shared between users

e)

If the file server breaks down the files on the file server become inaccessible

15.

In a bus topology network, all workstations, servers, and printers are connected to a single cable. A device is installed at both ends of the cable to prevent signal reflection and ensure data transmission stability:

a)

Switch

b)

Splitter

c)

Terminator

d)

Transceiver

e)

Router

16.

In a star network each device on the network has its own cable that connects central unit:

a)

Cable

b)

Subnet

c)

Ethernet

d)

Network card

e)

Hub

17.

There are main hardware components in network:

a)

Switch

b)

Router

c)

Streamer

d)

Plotter

e)

Splitter

18.

Protocols are responsible for a some aspects of network communications:

a)

Dividing messages into packets

b)

Streamer pointed connection

c)

Regulating the flow of data

d)

Fixes value of message

e)

Plotter drawing control

19.

Ethernet is a wired network technology, it has following types:

a)

Fast Ethernet

b)

Gigabit Ethernet

c)

Megabit Ethernet

d)

Terabit Ethernet

e)

Slow Ethernet

20.

The key piece of equipment in a Wi-Fi network is a router. The price of a router depends on its range and speed:

a)

Basic Router, 350 Mbps

b)

Basic Quadroband Router, 800 Mbps

c)

Ethernet Gigabit Router, 12Gbps

d)

Basic Dualband Router, 450 Mbps

e)

Full-featured Router, 600 Mbps

21.

The price of a router depends on its range and speed. When comparing routers, you’ll see main specifications:

a)

Trajectory

b)

Traffic

c)

Speed

d)

Bands

e)

Chart Bars

22.

The basis for scrambling and unscrambling the data transmitted between wireless devices. All workstations use the same key to scramble and unscramble data:

a)

Wireless encryption key

b)

Network security key

c)

Driver encryption key

d)

Socket security key

e)

Hub encryption key

23.

Security is file sharing principles:

a)

Set Share Driver

b)

Turn off file sharing globally

c)

Turn on - Hub share

d)

Limit what you share

e)

Use socket sharing system

24.

Messages are encrypted by using these main components:

a)

Cryptographic driver

b)

Cryptographic socket

c)

Cryptographic key

d)

Cryptographic head

e)

Cryptographic algorithm

25.

Public key encryption is a crucial technology for secure connection:

a)

E-mail

b)

E-commerce

c)

Period of timing

d)

Speed

e)

Latency

26.

A condition that can be exploited by hackers in which data overflows its intended memory space to affect other variables:

a)

Brut force

b)

Buffer overrun

c)

Phishing

d)

Buffer overflow

e)

Parsing

27.

Wireless Security cryptographic algorithms effective to keep information save:

a)

Symmetric Key Encryption

b)

AES (Advanced Encryption Standard)

c)

Public Key Encryption

d)

Regional key

e)

AES (Analytical Encryption Standard)

28.

LANs are more vulnerable than standalone computers to malicious code:

a)

Worms

b)

Trojan horses

c)

Blended threats

d)

Regional horses

e)

Red Worms

29.

Any program or set of program instructions, such as a virus, worm, or Trojan horse, designed to surreptitiously enter a computer and disrupt its normal operations:

a)

Malicious software

b)

System software

c)

Application software

d)

Operating system

e)

Firmware system

30.

An encryption key that is used for both encryption and decryption of messages:

a)

Symmetric key encryption

b)

Assymmetric key encryption

c)

Simple key encryption

d)

Complex key encryption

e)

Extra key encryption

31.

An encryption standard that uses some separate key sizes and is based on the Rijndael encryption algorithm:

a)

AES (Advanced Encryption Standard)

b)

BES (Basic Encryption Standard)

c)

CES (Common Encryption Standard)

d)

RES (Reduced Encryption Standard)

e)

IES (Intermediate Encryption Standard)

32.

Main approaches to enter preting the role of ICT:

a)

as set of operating systems

b)

as a computer facilities

c)

as a production sector

d)

as an internet technology

e)

as a set of the entities and organizations

33.

ICT are mainly important in:

a)

only technological sence

b)

only in computer science

c)

only in net worked world

d)

only to train highly qualified professionals

e)

capability to broaden access to information and communications

34.

ICT is defined as the study of:

a)

Computer interaction

b)

Modeling processes

c)

Human interaction

d)

The technology required for information

e)

Programming languages

35.

All information is erased when you turn off the computer:

a)

in RAM

b)

in ROM

36.

All information is erased when you turn off the computer:

a)

on the hard disk

b)

in ROM

c)

in RAM

d)

in CPU

e)

on a floppy disk

37.

The brains of the computer is the:

a)

ROM

b)

Hard disk

c)

RAM

d)

Video card

e)

CPU

38.

The contents of these chips are lost when the computer is switched off:

a)

ROM chips

b)

RAM chips

c)

DRAM chips

d)

USB chips

e)

Memory chips

39.

The primary purpose of an operating system is:

a)

to make efficient use of computer software

b)

to keep systems programmers employed

c)

to make computers easier to use

d)

to make the most efficient use of the computer hardware

e)

to allow people to use the computer

40.

The first program which run on a computer when the computer boots up:

a)

System software

b)

Database system

c)

Bespoke program

d)

System operations

e)

Operating system

41.

Multiprogramming systems allow to user:

a)

are easier to develop than single programming systems

b)

are used only one large mainframe computers

c)

execute each job faster

d)

execute more jobs in the same time period

e)

execute only one job

42.

Choose from the list below which is not an interface style:

a)

Menus

b)

Language

c)

Icons

d)

Windows

e)

Pointer

43.

Multimedia applications that allow users to directly respond to and control all of the media elements:

a)

Paint programs

b)

Interactive multimedia

c)

HTML

d)

Hypermedia

e)

Converter programs

44.

The smallest component of an image that can be transmitted or received in a video display system:

a)

AVG

b)

MPEG

c)

Pixel

d)

MP3

e)

Plug in

45.

A structured collection of data:

a)

System software

b)

Database system

c)

System operations

d)

Operating system

e)

Bespoke program

46.

SQL statement is used to insert a new data in a database:

a)

select

b)

update

c)

insert into

d)

add

e)

delete

47.

Find the correct query to select only the cities with temperatures less than 35:

a)

SELECT * From cities

b)

SELECT * From cities Where temperature!=35

c)

SELECT * From cities Where temperature>35

d)

SELECT * From cities Where temperature=35 Database system

e)

SELECT * From cities Where temperature<35

48.

Some one who is able to develop the algorithms to make sense out of big data:

a)

System administrator

b)

IT scientist

c)

Data scientist

d)

Web designer

e)

Programmer

49.

Technologies that allow sensors, databases and wireless access to collaboratively sense, adapt, and provide for users within the environment:

a)

Internet technology

b)

Plug and Play technology

c)

Cloud technology

d)

Smart technology

e)

Internet of thing

50.

A computer system that enable a computer to accept input data, process and store data, and produce outputs:

a)

Motherboard

b)

Video card

c)

Hardware system

d)

Software system

e)

BIOS system

51.

A register in a CPU in which intermediate arithmetic and logic results are stored:

a)

Bus

b)

DRAM chips

c)

Accumulator

d)

Address space

e)

Core memory

52.

The program that runs on computer hardware and serves as a platform for others of software to run on:

a)

Application software

b)

Operating system

c)

User interface

d)

System programs

e)

MS Office programs

53.

The operating system creates _______ from physical computer:

a)

Virtual computers

b)

Virtual device

c)

Applications

d)

DataBase

e)

Operation code

54.

The layer of a computer system between the hardware and user program:

a)

Operating system

b)

Programming environment

c)

Operating environment

d)

System environment

e)

Utility

55.

One of these would not be found in a good HCI:

a)

Icons that have specific meanings

b)

Sounds that convey meaning

c)

A long command line to achieve a function

d)

Common short cuts, like CTRL+Z for undo

e)

Images that have specific functions

56.

Using a custom animation effect, how do you make text appear on a slide letter by letter:

a)

Formatting the text

b)

Formatting the animation

c)

Apply the animation scheme Fade in one by one

d)

Apply an entrance effect, and then set it to By letter in the Effect Options dialog box

e)

Apply the Fly In entrance effect to the text, and then set its speed to Very Slow

57.

Tools include statistical analysis, pattern-matching techniques, and data segmentation analysis, classification analysis, association rules, and cluster analysis:

a)

Big data

b)

Data mining

c)

Data analysing

d)

Knowledge discovering

e)

Software analysing

58.

To remove duplicate rows from the result set of a SELECT use the following keyword:

a)

unique

b)

no dublicate

c)

foreing key

d)

distinct

e)

primary key

59.

SQL clause which is used to restrict the rows returned by a query:

a)

not

b)

where

c)

from

d)

and

e)

or

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