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1.

What is the number one concern about cloud computing?

a)

· Too expensive

b)

Security concerns

c)

· Too many platforms

d)

· Accessibility

2.

1. Which one of these is not a cloud computing pricing model

a)

· Pay Per Use

b)

· Subscription

c)

Ladder

d)

· Perpetual License

3.

Which of these is not a major type of cloud computing usage

a)

Hardware as a service

b)

Platform as a service

c)

· Software as a service

d)

· Infrastructure as a service

4.

“Cloud” in cloud computing represents what

a)

· Wireless

b)

· Hard drives

c)

· People

d)

Internet

5.

Which of these should a company consider before implementing cloud computing technology. I: Employee satisfaction, II: Potential cost reduction, III: Information sensitivity

a)

· Only I

b)

· Only II

c)

· Only III

d)

I, II, and III

6.

What exactly is cloud computing

a)

· A way to organize desktop computers

b)

· Lightweight software that takes up little space on a hard drive

c)

Computing resources that can be accessed on demand, like electricity from a utility

d)

· The World Wide Web

7.

What widely used service is built on cloud-computing technology? I: Twitter, II: Skype, III: Gmail, IV: YouTube.

a)

· Only I

b)

· Only II

c)

· Only III and I

d)

I, II, III and IV

8.

1. Cloud computing embraces many concepts that were previously touted as the next big thing in information technology. Which of these is not an antecedent of the cloud?

a)

· Utility computing

b)

· Remote hosted services

c)

· Grid computing

d)

Desktop computing

9.

1. Which SQL statement is used to extract data from a database?

a)

Select

b)

GET

c)

· OPEN

d)

Extract

10.

1. Computerized representations of models and attributes of real or simulated entities are?

a)

Data

b)

Knowledge

c)

Information

d)

Information

11.

Representation of the results of a computational process, such as statistical analysis, or the transcripts of some meanings assigned by human beings is

a)

Data

b)

Knowledge

c)

Information

d)

Database

12.

1. Representation of the results of a computer-simulated cognitive process, such as perception, learning, association, and reasoning is

a)

Data

b)

Knowledge

c)

· Information

d)

· Database

13.

1. Continuous representation, similar to the actual information it represents is

a)

Analog data

b)

Digital data

c)

Continuous data

d)

Discrete data

14.

1. A discrete representation, breaking the information up into separate(discrete) elements is

a)

Analog data

b)

Digital data

c)

Continuous data

d)

Discrete data

15.

1. Two bits can represent

a)

· Four things

b)

Two things

c)

Eight things

d)

Ten things

16.

The extended version of the ASCII character set is not enough for international use

a)

Unicode

b)

Barcode

c)

EBCDIC

d)

· Binary code

17.

1. The Unicode character set uses _________ per character

a)

16 bits

b)

8 bits

c)

4 bits

d)

32 bits

18.

List the levels of computer systems from top to down

a)

users, application software, operating system software, and the hardware system

b)

application software, operating system software, users, and the hardware system

c)

application software, users,operating system software, and the hardware system

d)

hardware system, operating system software, application software, and users

19.

List the levels of computer systems from bottom to up

a)

users, application software, operating system software, and the hardware system

b)

application software, operating system software, users, and the hardware system

c)

application software, users, operating system software, and the hardware system

d)

hardware system, operating system software, application software, and users

20.

Which software refers to application software?

a)

Microsoft Word

b)

Microsoft Windows

c)

Unix

d)

Mac OS

21.

Which software refers to application software?

a)

Internet Explorer

b)

Microsoft Windows

c)

Unix

d)

Mac OS

22.

1. What is the master controller for all activities that take place within a computer

a)

Operating System

b)

Application Software

c)

· DBMS

23.

1. What does send data from a computer over a network, and collects incoming data sent by other computers

a)

A network interface card (NIC)

b)

A modem

c)

Phone line or cable

d)

Internet service provider

24.

1. What is a device that enables data from a computer to be transmitted via phone lines or television cable lines to reach other computers on the Internet?

a)

A network interface card (NIC)

b)

A modem

c)

Phone line or cable

d)

Internet service provider

25.

1. What does serve as a socket on the motherboard into which an expansion card maybe inserted?

a)

Expansion slot

b)

Motherboard

c)

· Power supply

d)

Microprocessor

26.

1. What does enable a computer to control peripheral devices such as the monitor and the microphone?

a)

Expansion card

b)

Motherboard

c)

Power supply

d)

Microprocessor

27.

1. What does transfer data from storage devices to the motherboard?

a)

IDE (Integrated Drive Electronics) cable

b)

Motherboard

c)

Power supply

d)

Microprocessor

28.

1. What does store data permanently (even after the computer is turned off)?

a)

Disk drives

b)

Motherboard

c)

Power supply

d)

Microprocessor

29.

What step of the fetch-execute cycle enables the control unit of the CPU to decode the instruction and direct the necessary data to be moved from memory to the ALU

a)

Interpret

b)

Fetch

c)

Execute

d)

Store

30.

1. What science studies how to refine the design of products to optimize them for human use?

a)

Ergonomics

b)

HCI

c)

Economics

d)

ICT

31.

1. Which of the following computer attack methods does not require a hardware or software tool?

a)

· Port scanning

b)

Social engineering

c)

Spoofing

d)

Packet sniffing

32.

1. What does a packet sniffer do?

a)

Captures data packets that are transmitted through a network

b)

Renders a computer network unusable

c)

Renders a computer network unusable

d)

Converts encrypted passwords to plain text

33.

1. A computer attack that uses handler computers to control agent computers to attack a target computer is known as a _____ attack.

a)

Smurf

b)

SYN flood

c)

network connectivity

d)

distributed denial of service

34.

1. Attacking a computer by sending it an excessive number of email messages is known as

a)

· Smurfing

b)

Spoofing

c)

Spamming

d)

· Pinging

35.

1. With respect to security on the Internet, what is the purpose of digital signatures?

a)

To verify the identity of a message sender

b)

To request receipts for all sent messages

c)

To post anonymous messages to bulletin boards

d)

To encrypt mail messages

36.

1. One of the most common applications of encryption is transmitting data securely over the Web is ______

a)

the Secure Socket Layer (SSL)

b)

a Trojan horse

c)

e-mail

d)

a simple substitution code

37.

Which encryption method uses a pair of digital keys?

a)

Active-X

b)

SSL

c)

Public key encryption

d)

S-HTTP

38.

1. Embedding different types of data, such as sound and graphics, within Internet electronic mail requires which of the following formats to be used for encoding the data?

a)

TCP/IP

b)

GIF

c)

MIME

d)

Encryption

39.

ISPs can be accessed by which of the following ways? I. Telephone lines II. Cable television systems III. Personal satellite dishes

a)

· I only

b)

I and II only

c)

I, II, and III

d)

II only

40.

The numbers in IP addresses are separated by

a)

points

b)

periods

c)

colons

d)

commas

41.

What knits the Internet together and allows data to travel smoothly over the communications links provided by NSPs worldwide?

a)

· FTP

b)

TCP/IP

c)

· HTTP

d)

URL

42.

What networks are useful in environments where wiring is difficult to install?

a)

Twisted pair

b)

Coaxial

c)

Wirefree

d)

Wireless

43.

What top-level domain belongs to computers in the category of commercial businesses?

a)

bus

b)

com

c)

org

d)

bsn

44.

What top-level domain belongs to computers in the category of networks and ISPs?

a)

adm

b)

int

c)

net

d)

html

45.

What top-level domain belongs to computers in the category of professional and nonprofit organizations?

a)

com

b)

npo

c)

org

d)

edu

46.

When you send an email to someone, it is sent to

a)

the sender's email server

b)

the sender's email client

c)

the recipient's computer

d)

the recipient's email server

47.

Using a(n) _____ protocol, the sender and the receiver are synchronized by a signal called a clock

a)

synchronous

b)

asynchronous

c)

analog

d)

block

48.

The bandwidth of a(n) _____ signal is usually measured in bits per second.

a)

video

b)

digital

c)

satellite

d)

analog

49.

What type of cable is typically used to carry cable television signals because its high capacity allows it to carry signals for more than 100 television channels simultaneously?

a)

BNC

b)

STP

c)

UTP

d)

Coaxial

50.

A communications _____ is a physical path or frequency for a signal transmission.

a)

band

b)

channel

c)

protocol

d)

bridge

51.

Which of the following terms represents the transmission capacity of a communications channel?

a)

Indexing

b)

Frequency

c)

Bandwidth

d)

Resolution

52.

Modems transfer data between computers by converting between

a)

analog and digital

b)

Ethernet and digital

c)

video and sound

d)

analog and Ethernet

53.

What kind of waves provides wireless transmission for mobile communications, such as cellular telephones, and for stationary communications where it is difficult or impossible to install cabling, such as in remote, geographically rugged regions?

a)

Infrared

b)

Radio

c)

Line-of-sight

d)

UTP

54.

What is a backbone provider (also known as a Network Service Provider)?

a)

A group of small providers that work together to provide Internet access

b)

Any company that provides Web-based services

c)

A provider of national and international network links for the Internet

d)

The largest provider of Internet access within a particular region

55.

With respect to the Internet, routers are used to connect

a)

a computer and a modem

b)

a computer to the Internet

c)

any two computers

d)

different networks of computers

56.

With respect to the Internet, companies need to register a unique domain name when

a)

buying a new modem

b)

establishing an electronic commerce Web site

c)

buying a new computer

d)

connecting a new computer to the Internet

57.

What is the protocol used to transfer Web pages?

a)

html

b)

http

c)

udp

d)

ftp

58.

What is the name of the Internet protocol used to make sure messages are reliably transmitted and received by the destination computer?

a)

TCP

b)

ISP

c)

IP

d)

POP

59.

The World Wide Web is

a)

the same as the Internet

b)

a software package

c)

a client/server application program used to access the Internet

d)

a collection of Web servers throughout the world

60.

When a fully explicit URL such as http://www.iitu.kz is provided to an Internet browser, "http" refers to the name of the

a)

domain where the Web server resides

b)

language in which the page is written

c)

Web server containing the Web page

d)

protocol used to perform the operation

61.

IP host addresses on the Internet are composed of which of the following?

a)

A 24-bit number

b)

A single decimal number ranging from 0 to 255

c)

Four decimal numbers ranging from 0 to 255

d)

Any number of lowercase alphanumeric characters

62.

Which of the following computer attacks is spoofing?

a)

Using a program to decrypt passwords

b)

Monitoring a network to intercept data

c)

Using one computer to impersonate another

d)

Accessing an unprotected port on a computer

63.

The method of cracking a password by trying all possible alphanumeric combinations is known as a _____ attack

a)

port scanning

b)

dictionary

c)

brute force

d)

man-in-the-middle

64.

After loading a word processor document from a floppy, a user's computer begins to show symptoms of being infected by a virus.Which of the following is true concerning this situation?

a)

The document text could have contained an embedded virus

b)

The word processing program checks all documents for viruses before using them, so the source the virus was not the document.

c)

A document cannot contain a virus, so the source of the virus was not the word processing document.

d)

The document could have contained a macro that contained a virus.

65.

Which of the following is email spoofing?

a)

Sending large amounts of unsolicited email

b)

Sending viruses through email

c)

Modifying an email header to fake the email source

d)

Intercepting email by monitoring a network

66.

How does a receiver of an encrypted message verify that the message originated from the sender?

a)

The receiver compares the message with the decrypted signature of the sender

b)

The receiver compares the message hashed with the sender's signature.

c)

The receiver compares the message hashed with the decrypted signature of the sender.

d)

The receiver compares the received message with the sender's signature

67.

To encrypt a message using public-key encryption scheme, which of the following must be done?

a)

Encrypt the message using the receiver's private key

b)

Encrypt the message using the sender's private key.

c)

Encrypt the message using the receiver's public key.

d)

Encrypt the message using the sender's public key.

68.

Encryption is used to

a)

save storage space

b)

store data files in a vault

c)

protect privacy by encoding data

d)

archive system files

69.

Of the following processes, which best characterizes the authentication process?

a)

Logging into a secure site

b)

Verifying that software that is in use is not a pirated copy

c)

Authorizing use of some resource by a particular user

d)

Establishing a user identity

70.

Which of the following is true about private-key encryption schemes?

a)

The sender and the receiver have different private keys.

b)

The sender and the receiver use the same private key.

c)

The sender and the receiver have two private keys, one for encryption and one for decryption.

d)

The sender must notify the receiver before sending a message.

71.

Which of the following is correct with respect to customers providing highly personal information across the Internet through electronic commerce transactions?

a)

Customers should never provide charge card information when asked to complete an electronic commerce transaction

b)

Transactions are relatively secure between the consumer and a company's Web site if the data is encrypted

c)

It is impossible for anybody to see the transaction on the Internet except for the intended Web site conducting the transaction

d)

If a transaction is encrypted, any unauthorized parties intercepting the transaction will take ten or more years to decrypt the information

72.

Which of the following comparisons between public-key encryption schemes and private-key encryption schemes is true?

a)

It takes longer to transmit encrypted data using private-key encryption schemes than public-key encryption schemes

b)

It is easier to decrypt data using private-key encryption schemes than public-key encryption schemes.

c)

Private-key encryption schemes are more secure than public-key encryption schemes

d)

Public-key encryption schemes involve more computations than private-key encryption schemes.

73.

ANSI stands for

a)

All National Standard of Information

b)

American National System Information

c)

American National Standards Institute

d)

All National Standards Institute

74.

_________ receives input from the user and processes this input through the computer to produce output.

a)

Hardware

b)

Software

c)

Computer system

d)

Network system

75.

________________is the delay between the time when the memory device receives an address and the time when the first bit of data is available from the memory device.

a)

Latency

b)

RAM

c)

Capacity

d)

DRAM

76.

Who designed a general-purpose calculating device, the Analytical Engine?

a)

Augusta Ada King

b)

Gordon Moore

c)

Jack Kilby

d)

Charles Babbage

77.

PCI stands for

a)

Peripheral Component Interconnect

b)

Peripheral Computer Internet

c)

Peripheral Component Interaction

d)

Peripheral Computer Interaction

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Total questions: 77

Worksheet time: 39mins

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