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

• Infrastructure as a service

What exactly is cloud computing

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

• A way to organize desktop computers

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

11. What does SQL stand for

• <INPUT NAME=\Structured Question Language

22. List the levels of computer systems from top to down

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

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

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

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

23. List the levels of computer systems from bottom to up

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

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

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

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

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

• A network interface card (NIC)

33. 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 network interface card (NIC)

34. What was the first computer prototype used vacuum tubes?

• Hollerith Tabulating Machine

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

• IDE (Integrated Drive Electronics) cable

Test

ICT

Tamerlan Tokbayev 181 preguntas 5,0 (1 valoración)

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Preguntas del test (181)

1What is the number one concern about cloud computing?
1. A• Too expensive
2. B• Security concerns
3. C• Too many platforms
4. D• Accessibility
2Google Docs is a type of cloud computing
1. A• True
2. B• False
3Which one of these is not a cloud computing pricing model
1. A• Pay Per Use
2. B• Subscription
3. C• Ladder
4. D• Perpetual License
4Which of these is not a major type of cloud computing usage
1. A• Hardware as a service
2. B• Platform as a service
3. C• Software as a service
4. D• Infrastructure as a service
5An Internet connection is necessary for cloud computing interaction
1. A• True
2. B• False
6“Cloud” in cloud computing represents what
1. A• Wireless
2. B• Hard drives
3. C• People
4. D• Internet
7Which of these should a company consider before implementing cloud computing technology. I: Employee satisfaction, II: Potential cost reduction, III: Information sensitivity
1. A• Only I
2. B• Only II
3. C• Only III
4. D• I, II, and III
8What exactly is cloud computing
1. A• A way to organize desktop computers
2. B• Lightweight software that takes up little space on a hard drive
3. C• Computing resources that can be accessed on demand, like electricity from a utility
4. D• The World Wide Web
9What widely used service is built on cloud-computing technology? I: Twitter, II: Skype, III: Gmail, IV: YouTube.
1. A• Only I
2. B• Only II
3. C• Only III and I
4. D• I, II, III and IV
1010. 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?
1. A• Utility computing
2. B• Remote hosted services
3. C• Grid computing
4. D• Desktop computing

1111. What does SQL stand for
1. A• Structured Query Language
2. B• Strong Question Language
3. C• <INPUT NAME=\Structured Question Language
4. D• Structured Querty Language
1212. Which SQL statement is used to extract data from a database?
1. A• Select
2. B• GET
3. C• OPEN
4. D• Extract
1313. Computerized representations of models and attributes of real or simulated entities are?
1. A• Data
2. B• Knowledge
3. C• Information
4. D• Database
1414. Representation of the results of a computational process, such as statistical analysis, or the transcripts of some meanings assigned by human beings is
1. A• Data
2. B• Knowledge
3. C• Information
4. D• Database
1515. Representation of the results of a computer-simulated cognitive process, such as perception, learning, association, and reasoning is
1. A• Data
2. B• Knowledge
3. C• Information
4. D• Database
1616. Continuous representation, similar to the actual information it represents is
1. A• Analog data
2. B• Digital data
3. C• Continuous data
4. D• Discrete data
1717. A discrete representation, breaking the information up into separate(discrete) elements is
1. A• Analog data
2. B• Digital data
3. C• Continuous data
4. D• Discrete data
1818. Two bits can represent
1. A• Four things
2. B• Two things
3. C• Eight things
4. D• Ten things
1919. The extended version of the ASCII character set is not enough for international use
1. A• Unicode
2. B• Barcode
3. C• EBCDIC
4. D• Binary code
2020. The Unicode character set uses _________ per character
1. A• 16 bits
2. B• 8 bits
3. C• 4 bits
4. D• 32 bits
2121. The first 256 characters in the Unicode character set correspond exactly to the extended ASCII character set
1. A• True
2. B• False
2222. List the levels of computer systems from top to down
1. A• users, application software, operating system software, and the hardware system
2. B• application software, operating system software, users, and the hardware system
3. C• application software, users,operating system software, and the hardware system
4. D• hardware system, operating system software, application software, and users
2323. List the levels of computer systems from bottom to up
1. A• users, application software, operating system software, and the hardware system
2. B• application software, operating system software, users, and the hardware system
3. C• application software, users,operating system software, and the hardware system
4. D• hardware system, operating system software, application software, and users
2424. Which software refers to application software?
1. A• Microsoft Word
2. B• Microsoft Windows
3. C• Unix
4. D• Mac OS
2525. Which software refers to application software?
1. A• Internet Explorer
2. B• Microsoft Windows
3. C• Unix
4. D• Mac OS
2626. Which software refers to application software?
1. A• Macromedia Dreamweaver
2. B• Microsoft Windows
3. C• Unix
4. D• Mac OS
2727. Which software refers to application software?
1. A• Adobe Acrobat Reader
2. B• Microsoft Windows
3. C• Unix
4. D• Mac OS
2828. Which software refers to system software?
1. A• Macromedia Dreamweaver
2. B• Microsoft word
3. C• Internet Explorer
4. D• Microsoft Windows
2929. Which software refers to system software?
1. A• Macromedia Dreamweaver
2. B• Microsoft word
3. C• Internet Explorer
4. D• Unix
3030. Which software refers to system software?
1. A• Macromedia Dreamweaver
2. B• Microsoft word
3. C• Internet Explorer
4. D• Mac OS
3131. What is the master controller for all activities that take place within a computer
1. A• Operating System
2. B• Application Software
3. C• DBMS
4. D• Word processor
3232. What does send data from a computer over a network, and collects incoming data sent by other computers
1. A• A network interface card (NIC)
2. B• A modem
3. C• Phone line or cable
4. D• Internet service provider
3333. 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?
1. A• A network interface card (NIC)
2. B• A modem
3. C• Phone line or cable
4. D• Internet service provider
3434. What was the first computer prototype used vacuum tubes?
1. A• ENIAC
2. B• Analytical Engine
3. C• Abacus
4. D• Hollerith Tabulating Machine
3535. What is the main component that executes instructions stored in the main memory?
1. A• Microprocessor
2. B• Main memory
3. C• Storage device
4. D• Peripheral
3636. What does store instructions to be executed by the microprocessor?
1. A• Microprocessor
2. B• Main memory
3. C• Storage device
4. D• Peripheral
3737. What do store data permanently even when the computer is turned off?
1. A• Microprocessor
2. B• Main memory
3. C• Storage device
4. D• Peripheral
3838. What enable data input and output?
1. A• Microprocessor
2. B• Main memory
3. C• Storage device
4. D• Peripheral
3939. What acts as the traffic cop controlling the flow of data and coordinating interactions among components in the system?
1. A• Microprocessor
2. B• Main memory
3. C• Storage device
4. D• Chipset
4040. What does provide sockets for microprocessor and memory chips, slots for circuit boards, and the circuitry that enable electrical signals to travel from component to component?
1. A• Motherboard
2. B• Power supply
3. C• Microprocessor
4. D• Chipset
4141. What does provide electrical power to the computer system?
1. A• Motherboard
2. B• Power supply
3. C• Microprocessor
4. D• Chipset
4242. What does process instructions stored in main memory?
1. A• Motherboard
2. B• Power supply
3. C• Microprocessor√
4. D• Chipset
4343. What does serve as a socket on the motherboard into which an expansion card maybe inserted?
1. A• Expansion slot
2. B• Motherboard
3. C• Power supply
4. D• Microprocessor
4444. What does enable a computer to control peripheral devices such as the monitor and the microphone?
1. A• Expansion card
2. B• Motherboard
3. C• Power supply
4. D• Microprocessor
4545. What does control data flow among components?
1. A• Chipset
2. B• Motherboard
3. C• Power supply
4. D• Microprocessor
4646. What does transfer data from storage devices to the motherboard?
1. A• IDE (Integrated Drive Electronics) cable
2. B• Motherboard
3. C• Power supply
4. D• Microprocessor
4747. What does store data permanently (even after the computer is turned off)?
1. A• Disk drives
2. B• Motherboard
3. C• Power supply
4. D• Microprocessor
4848. 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?
1. A• Interpret
2. B• Fetch
3. C• Execute
4. D• Store
4949. What science studies how to refine the design of products to optimize them for human use?
1. A• Ergonomics
2. B• HCI
3. C• Economics
4. D• ICT
5050. What DOS command is used to change the working directory?
1. A• Cd
2. B• md
3. C• rd
4. D• ren
5151. What DOS command is used to make a new directory?
1. A• cd
2. B• md
3. C• rd
4. D• ren
5252. What DOS command is used to remove an existing empty directory?
1. A• cd
2. B• md
3. C• rd
4. D• ren
5353. What DOS command is used to rename a file within a directory?
1. A• cd
2. B• md
3. C• rd
4. D• ren
5454. The BIOS initiates the POST (Power-On Self Test) sequence
1. A• True
2. B• False
5555. The BIOS enables the video card
1. A• True
2. B• False
5656. The BIOS counts and tests memory
1. A• True
2. B• False
5757. The BIOS checks for expansion cards and adapters and initializes them
1. A• True
2. B• False
5858. The BIOS follows a search order to find the Master Boot Record
1. A• True
2. B• False
5959. Interrupt Handler saves contents of registers before it saves the register for its own purposes
1. A• True
2. B• False
6060. Interrupts can nest infinitely
1. A• True
2. B• False
6161. Interrupt Handler accepts the byte of incoming data
1. A• True
2. B• False
6262. Interrupt Handler places the byte in a storage area
1. A• True
2. B• False
6363. Interrupt handler cannot be interrupted by a higher priority interrupt
1. A• True
2. B• False
6464. Interrupt handler transfers control back to previous task
1. A• True
2. B• False
6565. Which of the following are common behaviors of computer viruses? I. Self-replication; II. Infliction of physical damage to the computer's hardware; III Unwarranted file removal
1. A• I and II only
2. B• II and III only
3. C• I and III only
4. D• I, II, and III
6666. Which of the following computer attack methods does not require a hardware or software tool?
1. A• Port scanning
2. B• Social engineering
3. C• Spoofing
4. D• Packet sniffing
6767. What does a packet sniffer do?
1. A• Captures data packets that are transmitted through a network
2. B• Renders a computer network unusable
3. C• Causes one computer to impersonate another
4. D• Converts encrypted passwords to plain text
6868. A computer attack that uses handler computers to control agent computers to attack a target computer is known as a _____ attack.
1. A• Smurf
2. B• SYN flood
3. C• network connectivity
4. D• distributed denial of service
6969. Attacking a computer by sending it an excessive number of email messages is known as
1. A• Smurfing
2. B• Spoofing
3. C• Pinging
4. D• Spamming
7070. With respect to security on the Internet, what is the purpose of digital signatures?
1. A• To verify the identity of a message sender
2. B• To request receipts for all sent messages
3. C• To post anonymous messages to bulletin boards
4. D• To encrypt mail messages
7171. One of the most common applications of encryption is transmitting data securely over the Web is ______
1. A• the Secure Socket Layer (SSL)
2. B• a Trojan horse
3. C• e-mail
4. D• a simple substitution code
7272. Which encryption method uses a pair of digital keys?
1. A• Active-X
2. B• SSL
3. C• Public key encryption
4. D• S-HTTP
7373. Which of the following reasons is (are) valid for why "IITU" is a bad password? I. It is a word from the dictionary; II It does not contain numbers and symbols; III. It is the name of an institution
1. A• I and II only
2. B• II and III
3. C• I, II, and III
4. D• I and III only
7474. 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?
1. A• TCP/IP
2. B• GIF
3. C• MIME
4. D• Encryption
7575. ISPs can be accessed by which of the following ways? I. Telephone lines II. Cable television systems III. Personal satellite dishes
1. A• I only
2. B• I and II only
3. C• I, II, and III
4. D• II only
7676. The numbers in IP addresses are separated by
1. A• points
2. B• periods
3. C• colons
4. D• commas
7777. What knits the Internet together and allows data to travel smoothly over the communications links provided by NSPs worldwide?
1. A• FTP
2. B• TCP/IP
3. C• HTTP
4. D• URL
7878. What networks are useful in environments where wiring is difficult to install?
1. A• Twisted pair
2. B• Coaxial
3. C• Wirefree
4. D• Wireless
7979. What top-level domain belongs to computers in the category of commercial businesses?
1. A• bus
2. B• com
3. C• org
4. D• bsn
8080. An IP address is a set of four numbers between 0 and
1. A• 128
2. B• 24
3. C• 16
4. D• 255
8181. What top-level domain belongs to computers in the category of networks and ISPs?
1. A• adm
2. B• int
3. C• net
4. D• html
8282. What top-level domain belongs to computers in the category of professional and nonprofit organizations?
1. A• com
2. B• npo
3. C• org
4. D• edu
8383. Which of the following is (are) true about thick and thin clients in a client-server system? I. Thin clients perform relatively little work. II.A Web browser is an example of a thick client. III.A handheld computer is a typical example of a thin client.
1. A• I and III only
2. B• I, II, and III
3. C• III only
4. D• I only
8484. When you send an email to someone, it is sent to
1. A• the sender's email server
2. B• the sender's email client
3. C• the recipient's computer
4. D• the recipient's email server
8585. Using a(n) _____ protocol, the sender and the receiver are synchronized by a signal called a clock
1. A• synchronous
2. B• asynchronous
3. C• analog
4. D• block
8686. The bandwidth of a(n) _____ signal is usually measured in bits per second.
1. A• video
2. B• digital
3. C• satellite
4. D• analog
8787. 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?
1. A• BNC
2. B• STP
3. C• UTP
4. D• Coaxial
8888. A communications _____ is a physical path or frequency for a signal transmission.
1. A• band
2. B• channel
3. C• protocol
4. D• bridge
8989. Which of the following terms represents the transmission capacity of a communications channel?
1. A• Indexing
2. B• Frequency
3. C• Bandwidth
4. D• Resolution
9090. Which of the following are commonly used network topologies? I.Star II. Ring III.Modems
1. A• I and II only
2. B• III only
3. C• II and III only
4. D• I and III only
9191. When two devices communicate, they must agree on protocols for I.starting and ending a transmission II.recognizing transmission errors III.determining the rate of data transmission
1. A• II and III only
2. B• I and II only
3. C• I, II, and III
4. D• I and III only
9292. Modems transfer data between computers by converting between
1. A• analog and digital
2. B• Ethernet and digital
3. C• video and sound
4. D• analog and Ethernet
9393. Which of the following are potential communications links? I. Telephone wiring II. Fiber-optic cable III. Satellite
1. A• I and II only
2. B• II only
3. C• I, II, and III
4. D• III only
9494. 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?
1. A• Infrared
2. B• Radio
3. C• UTP
4. D• Line-of-sight
9595. Which of the following are protocols associated with Internet email? I.SMTP II.POP III. FTP
1. A• I and III only
2. B• I and II only
3. C• I, II, and III
4. D• II and III only
9696. Which of the following services may be provided by an ISP? I. A temporary IP address II. An account on the ISP's email server III. Web hosting of the customer's Web page
1. A• II and III only
2. B• I, II, and III
3. C• I and II only
4. D• I and III only
9797. What is a backbone provider (also known as a Network Service Provider)?
1. A• A group of small providers that work together to provide Internet access
2. B• Any company that provides Web-based services
3. C• A provider of national and international network links for the Internet
4. D• The largest provider of Internet access within a particular region
9898. With respect to the Internet, routers are used to connect
1. A• a computer and a modem
2. B• a computer to the Internet
3. C• any two computers
4. D• different networks of computers
9999. With respect to the Internet, companies need to register a unique domain name when
1. A• buying a new modem
2. B• establishing an electronic commerce Web site
3. C• buying a new computer
4. D• connecting a new computer to the Internet
100100. Which of the following are tasks performed by a Web browser? I. Sending a request for a specific file to a server II. Formatting and displaying a file received from a server III. Sending additional requests to the server to retrieve any graphics elements such as icons or images for a requested file
1. A• I, II, and III
2. B• I and III only
3. C• II and III only
4. D• I and II only
101101.What is the protocol used to transfer Web pages?
1. A• html
2. B• http
3. C• ftp
4. D• udp
102102. What is the name of the Internet protocol used to make sure messages are reliably transmitted and received by the destination computer?
1. A• TCP
2. B• ISP
3. C• IP
4. D• POP
103103. The World Wide Web is
1. A• the same as the Internet
2. B• a software package
3. C• a client/server application program used to access the Internet
4. D• a collection of Web servers throughout the world
104104.When a fully explicit URL such as http://www.iitu.kz is provided to an Internet browser, "http" refers to the name of the
1. A• domain where the Web server resides
2. B• language in which the page is written
3. C• Web server containing the Web page
4. D• protocol used to perform the operation
105105.IP host addresses on the Internet are composed of which of the following?
1. A• A 24-bit number
2. B• A single decimal number ranging from 0 to 255
3. C• Four decimal numbers ranging from 0 to 255
4. D• Any number of lowercase alphanumeric characters
106106.After gaining access to a computer system, hackers will typically do which of the following? I. Set up control for further attacks II.Take, alter, or delete data III. Use the computer system resources
1. A• I, II, and III
2. B• II and III only
3. C• I and II only
4. D• II only
107107. Which of the following is (are) true regarding network bandwidth attacks? I.They can be used to launch a denial of service attack. II.They can cause a Web site to become unavailable. III.They work by flooding a network with traffic.
1. A• I and II only
2. B• II and III only
3. C• I, II, and III
4. D• I and III only
108108. Which of the following computer attacks is spoofing?
1. A• Using a program to decrypt passwords
2. B• Monitoring a network to intercept data
3. C• Using one computer to impersonate another
4. D• Accessing an unprotected port on a computer
109109. The method of cracking a password by trying all possible alphanumeric combinations is known as a _____ attack
1. A• port scanning
2. B• dictionary
3. C• brute force
4. D• man-in-the-middle
110110. 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?
1. A• The document text could have contained an embedded virus.
2. B• The word processing program checks all documents for viruses before using them, so the source the virus was not the document.
3. C• A document cannot contain a virus, so the source of the virus was not the word processing document.
4. D• The document could have contained a macro that contained a virus.
111111. Which of the following is email spoofing?
1. A• Sending large amounts of unsolicited email
2. B• Sending viruses through email
3. C• Modifying an email header to fake the email source
4. D• Intercepting email by monitoring a network
112112. Which of the following is (are) true regarding a Smurf attack? I.It can use the ping command to perform the attack.II.It allows a hacker to steal data from a computer.III.It uses other computers on a network to attack a single computer
1. A• II and III only
2. B• I and III only
3. C• I and II only
4. D• I, II, and III
113113. Which of the following consequences of executing a virus on a PC is (are) possible? I.Files appear to be missing or deleted from the hard disk. II.Either the PC system board or a disk drive is physically damaged. III.There is low computer memory on disks.
1. A• II and III only
2. B• I only
3. C• I and III only
4. D• I, II, and III
114114. Which of the following is (are) true regarding computer security attacks? I. Hackers can cause home computers to attack other computers. II. Organizations typically experience more computer security breaches from internal personnel than from people external to the organization
1. A• I only
2. B• II only
3. C• None
4. D• I and II
115115. Which of the following is (are) true regarding network connectivity attacks? I. A network connectivity attack can be achieved by generating numerous half-open connections to the target computer. II. A network connectivity attack can be achieved by generating excessive amount of traffic on the target network.
1. A• I and II
2. B• None
3. C• I only
4. D• II only
116116. Which of the following can be used to prevent social engineering attacks? I. Verifying identities of people requesting sensitive information II. Using data encryption III. Being aware of computer fraud schemes
1. A• II and III only
2. B• I, II, and III
3. C• I and III only
4. D• III only
117117. Which of the following is (are) true about encryption of data? I.Given the high speed and low cost CPUs available, even the most complex encrypted data is not entirely safe for a long period of time. II.The more bits in the key of the encryption algorithm, the harder it is to break the encryption. III.In public key encryption, the sender and the receiver of encrypted data both use the same key value to encrypt and decrypt the data.
1. A• I and III only
2. B• I, II, and III
3. C• II and III only
4. D• I and II only
118118. How does a receiver of an encrypted message verify that the message originated from the sender?
1. A• The receiver compares the message with the decrypted signature of the sender.
2. B• The receiver compares the message hashed with the sender's signature.
3. C• The receiver compares the message hashed with the decrypted signature of the sender.
4. D• The receiver compares the received message with the sender's signature.
119119. To encrypt a message using public-key encryption scheme, which of the following must be done?
1. A• Encrypt the message using the receiver's private key.
2. B• Encrypt the message using the sender's private key.
3. C• Encrypt the message using the receiver's public key.
4. D• Encrypt the message using the sender's public key.
120120. Which of the following must be included on a digital certificate? I. The name of the entity and the expiration date II. The number of times the certificate has been viewed III. The digital signature of the certificate authority
1. A• II and III only
2. B• I, and III
3. C• I, II, and III
4. D• I and II only
121121. Encryption is used to
1. A• save storage space
2. B• store data files in a vault
3. C• protect privacy by encoding data
4. D• archive system files
122122. Of the following processes, which best characterizes the authentication process?
1. A• Logging into a secure site
2. B• Verifying that software that is in use is not a pirated copy
3. C• Authorizing use of some resource by a particular user
4. D• Establishing a user identity
123123. Which of the following is (are) true regarding computer network intrusion detection systems? I.They compare traffic against a database of known attack signatures.II. They can generate false alarms.
1. A• I only
2. B• None
3. C• II only
4. D• I and II
124124. The security of data can be violated through which of the following? I.Malicious acts II.User errors III.Disasters
1. A• II and III only
2. B• I, II, and III
3. C• I only
4. D• I and III only
125125. Which of the following is (are) true regarding computer security? I.Applying all available security measures may negatively impact system usability. II.Most intrusions result from exploitation of known vulnerabilities that remain unpatched.
1. A• None
2. B• I and II
3. C• II only
4. D• I only
126126. Good computer security practices include which of the following? I.Never shop online. II.Remove excess RAM from computers. III.Avoid sending email at night.
1. A• II and III only
2. B• I and II only
3. C• I, II, and III
4. D• None
127127. Examples of network monitoring tools include which of the following? I.Packet sniffers II.Antivirus software III.Security patches
1. A• I only
2. B• I and III only
3. C• II only
4. D• I, II, and III
128128. Which of the following is (are) true of anti-virus software? I.Typically, it scans both files and memory. II.It is ineffective unless it is updated frequently. III.It protects against network bandwidth attacks.
1. A• II only
2. B• I and II only
3. C• I, II, and III
4. D• I and III only
129129. Which of the following is (are) important to ensuring computer security? I.Keep applications and operating system updated with the latest security patches. II.Replace motherboard batteries regularly. III.Use firewalls
1. A• III only
2. B• I, II, and III
3. C• I and III only
4. D• II and III only
130130. Which of the following statements is (are) true about smart cards? I.They are vulnerable to Internet attacks. II.They can encrypt data.
1. A• II only
2. B• None
3. C• I and II
4. D• I only
131131. Which of the following is correct with respect to customers providing highly personal information across the Internet through electronic commerce transactions?
1. A• Customers should never provide charge card information when asked to complete an electronic commerce transaction.
2. B• Transactions are relatively secure between the consumer and a company's Web site if the data is encrypted.
3. C• It is impossible for anybody to see the transaction on the Internet except for the intended Web site conducting the transaction.
4. D• If a transaction is encrypted, any unauthorized parties intercepting the transaction will take ten or more years to decrypt the information.
132132. Which of the following comparisons between public-key encryption schemes and private-key encryption schemes is true?
1. A• It takes longer to transmit encrypted data using private-key encryption schemes than public-key encryption schemes.
2. B• It is easier to decrypt data using private-key encryption schemes than public-key encryption schemes.
3. C• Private-key encryption schemes are more secure than public-key encryption schemes.
4. D• Public-key encryption schemes involve more computations than private-key encryption schemes.
133133. Which of the following is true about private-key encryption schemes?
1. A• The sender and the receiver have different private keys.
2. B• The sender and the receiver use the same private key.
3. C• The sender and the receiver have two private keys, one for encryption and one for decryption.
4. D• The sender must notify the receiver before sending a message.
134134. Which of the following is (are) true regarding network monitoring tools? I. They should only be installed in a single location on a network. II. Monitoring only needs to be done when a problem is suspected.
1. A• None
2. B• I and II
3. C• II only
4. D• I only
135135. Anti-virus software with updated virus definitions typically protects against which of the following? I. Worms II. Trojan horse programs
1. A• I only
2. B• None
3. C• I and II
4. D• II only
136136. Which of the following path formats can be used to specify the value of the href attribute of the<xmp><a></xmp> tag? I. An absolute path II. A relative path
1. A• I and II
2. B• I only
3. C• None
4. D• II only
137137. ANSI stands for
1. A• All National Standard of Information
2. B• American National System Information
3. C• American National Standards Institute
4. D• All National Standards Institute
138receives input from the user and processes this input through the computer to produce output.
1. A• Hardware
2. B• Software
3. C• Computer system
4. D• Network system
139139. ________________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.
1. A• Latency
2. B• RAM
3. C• Capacity
4. D• DRAM
140140. Who designed a general-purpose calculating device, the Analytical Engine?
1. A• Augusta Ada King
2. B• Gordon Moore
3. C• Jack Kilby
4. D• Charles Babbage
141141. PCI stands for
1. A• Peripheral Component Interconnect
2. B• Peripheral Computer Internet
3. C• Peripheral Component Interaction
4. D• Peripheral Computer Interaction
142152. This means that each layer needs only a limited amount of knowledge to do its job
1. A• Encapsulation
2. B• Abstraction
3. C• Deduction
4. D• E-learning
143153. What is the use of a range of modern information and technologies by government to improve efficiency, service etc. i.e. Internet,mobile,local area network?
1. A• E-Commerce
2. B• E-Governance
3. C• E-Learning
4. D• E-Bussiness
144154. What is referring to data in electronic form, which is logically associated with other data in electronic form and which is used by the signatory to sign?
1. A• Cryptographic key
2. B• Electronic signature
3. C• Telegraph signatures
4. D• Faxed signatures
145156. _____________provides us a means by which we can access the applications as utilities, over the Internet. It allows us to create, configure, and customize applications online.
1. A• Cloud computing
2. B• E-commerce
3. C• E-learning
4. D• Data centers
146157. What is a term for all types of technology-enhanced learning (TEL), where technology is used to support the learning process?
1. A• Cloud computing
2. B• E-commerce
3. C• E-learning
4. D• Data centers
147161. What is a continuous representation, analogous to the actual information it represents?
1. A• Analog data
2. B• Data
3. C• Information
4. D• Knowledge
148162. What is the technology that uses computing with high speed communication links to spread information from one place to another
1. A• Information technology
2. B• Data
3. C• Knowledge
4. D• Computing systems
149163. _______are complex devices, dealing with a vast array of information categories
1. A• Information technology
2. B• Data
3. C• Knowledge
4. D• Computing systems
150164. In cryptography, what is cipher? I. algorithm for performing encryption and decryption II. encrypted message
1. A• Only I
2. B• Only II
3. C• Both I and II
4. D• None
151165. In asymmetric key cryptography, the private key is kept by
1. A• Sender
2. B• Receiver
3. C• Sender and receiver
4. D• All connected devices to the network
152166. ____________is a set of computer instructions or data.
1. A• Software
2. B• Hardware
3. C• Disk drive
4. D• Memory
153167. What provides connections among computers to enable computers to share data (e.g. documents), hardware (e.g. printers), and software resources (e.g. application programs)?
1. A• Drivers
2. B• CPU
3. C• Network
4. D• Memory
154168. What is the IDE (Integrated Drive Electronics) cable
1. A• Rolls data flow among component
2. B• Transfers data from storage devices to the motherboard
3. C• Stores data permanently
4. D• Serves as a socket on the motherboard
155169. What allow users to automate sequences of actions they perform frequently?
1. A• Script
2. B• Macros
3. C• Script and macros
4. D• None
156170. What is the Trap?
1. A• An event triggered by an external signal
2. B• Keeps track of all the processes running
3. C• Places the byte in a storage area
4. D• A signal informing a program that an event has occurred
5. EГрек
157171. _________ is the rapid display of a sequence of images of 2-D or 3-D artwork or model positions in order to create an illusion of movement.
1. A• Text
2. B• Animation
3. C• Video conferencing
4. D• Picture
158172. How we call the process, when each user has a single view of the available resources, independently of how they are arranged in terms of physical devices?
1. A• Scalability
2. B• Elasticity
3. C• Virtualization
4. D• Lower Infrastructure Costs
159173. Indicate working models for cloud computing:
1. A• Deployment models only
2. B• Deployment and Service Models
3. C• Service models only
4. D• None
160174. Which of the following cloud deployment models allows systems and services to be accessible within an organization?
1. A• Public Cloud
2. B• Community Cloud
3. C• Private Cloud
4. D• None
161175. What are the Service Models?
1. A• They are the reference models on which the Cloud Computing is based
2. B• They allow systems and services to be accessible by group of organizations
3. C• They allow systems and services to be easily accessible to the general public
4. D• None
162176. What provides access to fundamental resources such as physical machines, virtual machines, virtual storage?
1. A• SaaS
2. B• IaaS
3. C• PaaS
4. D• None
163177. What provides the runtime environment for applications, development & deployment tools?
1. A• SaaS
2. B• IaaS
3. C• PaaS
4. D• None
164178. Which model allows using software applications as a service to end users?
1. A• SaaS
2. B• IaaS
3. C• PaaS
4. D• None
165179. What provides a uniform abstraction of the underlying physical machine?
1. A• Abstraction
2. B• Virtualization
3. C• Hypervision
4. D• None
166180. What has the same form as a URL but may not identify an actual location on the Internet?
1. A• URI
2. B• URN
3. C• URL
4. D• DNS
1671. How can you define an end device within a computer network?
1. Aa) Any device within a network
2. Bb) A device that acts as a client a network
3. Cc) Any device that provides interface with a network
4. Dd) A device that acts as a server within a network
5. Ee) Any device that provides connectivity to the network or links between network segments
1682. Choose the incorrect statement
1. Aa) There are 4 layers within TCP/IP communication model, namely Application, Transport, Internet, Network access
2. Bb) There are three main stages of database design, namely conceptual, logical and physical
3. Cc) All cryptographic algorithms can be divided into symmetric, asymmetric and stream
4. Dd) According to Jakob Nielsen there are 10 usability heuristics for user interface design
5. Ee) In the FAT 32 file system the number 32 is the number of bits to identify a cluster
1693. How are the signals encoded in copper media?
1. Aa) Using patterns of electromagnetic waves
2. Bb) Using electrical impulses with specific patterns
3. Cc) Using acoustic waves of the millimeter band
4. Dd) Using pulses of light in the infrared or visible ranges
5. Ee) Using mechanical vibrations of the environment
1704. In which type of graphics an image is made up of simple geometric forms?
1. Aa) Fractal
2. Bb) Vector
3. Cc) Raster and fractal
4. Dd) Fractal and vector
5. Ee) Raster
1715. The process of data stream division into smaller, more manageable parts on the sender side is called
1. Aa) Encapsulation
2. Bb) Reassembly
3. Cc) Segmentation
4. Dd) Decapsulation
5. Ee) Multiplexing
1726. What for is a subnet mask used?
1. Aa) To determine the network address of a device
2. Bb) To determine the number of devices currently connected to the network
3. Cc) To determine the address of the router
4. Dd) To determine the number of sub networks within the network
5. Ee) To determine the maximum number of devices that can be connected to the network
1737. What is the name of a data unit that is processed through the Transport layer?
1. Aa) Block
2. Bb) Segment
3. Cc) Frame
4. Dd) File
5. Ee) Packet
1748. Which attribute of the tag <IMG> is used to provide an image file name?
1. Aa) path
2. Bb) picture
3. Cc) src
4. Dd) file name
5. Ee) source
1759. Which of the following generations of mobile technology is connected with the introduction of the GSM standard?
1. Aa) 5G
2. Bb) 2G
3. Cc) 3G
4. De) 1G
5. Ed) 4G
17610. Which of the following layers is absent in the TCP/IP communication model?
1. Aa) Transport
2. Bb) Internet
3. Cc) Network access
4. Dd) Session
5. Ee) Application
17711. Which of the following network topologies by the absence of endpoint connections (it can be said that the network is closed)?
1. Aa) None of them
2. Bb) Bus topology
3. Cc) Star-bus topology
4. Dd) Ring topology
5. Ee) Star topology
17812. Which of the following tags is used to create a hyperlink in an html document?
1. Aa) <B>
2. Bb) <IMG>
3. Cc) <I>
4. Dd) <A>
5. Ee) <HREF>
179A coaxial cable is a type of a twisted pair cable
1. Aa) True
2. Bb) False
18014. Internet of things (IoT) is a realization of smart technology
1. Aa) True
2. Bb) False
18115. Macros can be written in any programming language
1. Aa) True
2. Bb) False

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Descripción: Test sobre ICT, creado por Tamerlan Tokbayev el 25/04/2019.
Autor: Tamerlan Tokbayev
Idioma: English
Visitas: 39
Valoración: 5,0 de 5 · 1 valoración
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