Test
ICT FIN1601
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Preguntas del test (117)
1What is the number one concern about cloud computing?
- ASecurity concerns
- BAccessibility
- CToo expensive
- DToo many platforms
2Google Docs is a type of cloud computing
- ATrue
- BFalse
33. Which one of these is not a cloud computing pricing model?
- APerpetual License
- BLadder
- CSubscription
- DPay Per Use
44. Which of these is not a major type of cloud computing usage
- AInfrastructure as a service
- BSoftware as a service
- CPlatform as a service
- DHardware as a service
5An Internet connection is necessary for cloud computing interaction
- AFalse
- BTrue
6“Cloud” in cloud computing represents what
- AInternet
- BPeople
- CHard drives
- DWireless
7Which of these should a company consider before implementing cloud computing technology. I: Employee satisfaction, II: Potential cost reduction, III: Information sensitivity
- AOnly III
- BI, II, and III
- COnly II
- DOnly I
8What exactly is cloud computing
- AThe World Wide Web
- BComputing resources that can be accessed on demand, like electricity from a utility
- CLightweight software that takes up little space on a hard drive
- DA way to organize desktop computers
99. What widely used service is built on cloud-computing technology? I: Twitter, II: Skype, III: Gmail, IV: YouTube.
- AI, II, III and IV
- BOnly III and I
- COnly II
- DOnly I
10Cloud 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?
- ADesktop computing
- BGrid computing
- CUtility computing
- DRemote hosted services
11What does SQL stand for
- AStructured Querty Language
- BStructured Question Language
- CStrong Question Language
- DStructured Query Language
1212. Which SQL statement is used to extract data from a database?
- AExtract
- BOPEN
- CGET
- DSelect
1313. Computerized representations of models and attributes of real or simulated entities are
- ADatabase
- BInformation
- CKnowledge
- DData
14Representation of the results of a computational process, such as statistical analysis, or the transcripts of some meanings assigned by human beings is
- ADatabase
- BInformation
- CKnowledge
- DData
15Representation of the results of a computer-simulated cognitive process, such as perception, learning, association, and reasoning is
- ADatabase
- BInformation
- CKnowledge
- DData
16Continuous representation, similar to the actual information it represents is
- ADiscrete data
- BContinuous data
- CDigital data
- DAnalog data
17A discrete representation, breaking the information up into separate(discrete) elements is
- ADiscrete data
- BContinuous data
- CDigital data
- DAnalog data
18Two bits can represent
- ATen things
- BEight things
- CTwo things
- DFour things
19The extended version of the ASCII character set is not enough for international use
- ABinary code
- BEBCDIC
- CBarcode
- DUnicode
20The Unicode character set uses _________ per character
- A32 bits
- B4 bits
- C8 bits
- D16 bits
21The first 256 characters in the Unicode character set correspond exactly to the extended ASCII character set
- AFalse
- BTrue
22List the levels of computer systems from top to down
- Ahardware system, operating system software, application software, and users
- Bapplication software, users,operating system software, and the hardware system
- Capplication software, operating system software, users, and the hardware system
- Dusers, application software, operating system software, and the hardware system
23List the levels of computer systems from bottom to up
- Ahardware system, operating system software, application software, and users
- Bapplication software, users,operating system software, and the hardware system
- Capplication software, operating system software, users, and the hardware system
- Dusers, application software, operating system software, and the hardware system
24What 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?
- AChipset
- BMicroprocessor
- CPower supply
- DMotherboard
25What does provide electrical power to the computer system?
- AChipset
- BMicroprocessor
- CPower supply
- DMotherboard
26What does process instructions stored in main memory?
- AMotherboard
- BMicroprocessor
- CChipset
- DPower supply
27What does serve as a socket on the motherboard into which an expansion card maybe inserted?
- AMicroprocessor
- BPower supply
- CMotherboard
- DExpansion slot
28What does enable a computer to control peripheral devices such as the monitor and the microphone?
- AMicroprocessor
- BPower supply
- CMotherboard
- DExpansion card
29What does control data flow among components?
- AMicroprocessor
- BPower supply
- CMotherboard
- DChipset
30What does transfer data from storage devices to the motherboard?
- AMicroprocessor
- BPower supply
- CMotherboard
- DIDE (Integrated Drive Electronics) cable
31What does store data permanently (even after the computer is turned off)?
- AMicroprocessor
- BPower supply
- CMotherboard
- DDisk drives
32What 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?
- AStore
- BExecute
- CFetch
- DInterpret
33What science studies how to refine the design of products to optimize them for human use?
- AICT
- BEconomics
- CHCI
- DErgonomics
34What DOS command is used to change the working directory?
- Aren
- Brd
- Cmd
- DCd
3551. What DOS command is used to make a new directory?
•
•- Aren
- Brd
- Cmd
- Dcd
36What DOS command is used to remove an existing empty directory?
- Aren
- Brd
- Cmd
- Dcd
37What DOS command is used to rename a file within a directory?
- Aren
- Brd
- Cmd
- Dcd
38The BIOS initiates the POST (Power-On Self Test) sequence
- ATrue
- BFalse
39The BIOS enables the video card
- AFalse
- BTrue
40The BIOS counts and tests memory
- AFalse
- BTrue
41The BIOS checks for expansion cards and adapters and initializes them
- AFalse
- BTrue
42The BIOS follows a search order to find the Master Boot Record
- ATrue
- BFalse
43Interrupt Handler saves contents of registers before it saves the register for its own purposes
- AFalse
- BTrue
44Interrupts can nest infinitely
- AFalse
- BTrue
45Interrupt Handler accepts the byte of incoming data
- ATrue
- BFalse
46Interrupt Handler places the byte in a storage area
- AFalse
- BTrue
47Interrupt handler cannot be interrupted by a higher priority interrupt
- AFalse
- BTrue
48Interrupt handler transfers control back to previous task
- AFalse
- BTrue
49Which 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
- AI, II, and III
- BI and III only
- CII and III only
- DI and II only
50Which of the following computer attack methods does not require a hardware or software tool?
- APacket sniffing
- BSpoofing
- CSocial engineering
- DPort scanning
51What does a packet sniffer do?
- AConverts encrypted passwords to plain text
- BCauses one computer to impersonate another
- CRenders a computer network unusable
- DCaptures data packets that are transmitted through a network
5268. A computer attack that uses handler computers to control agent computers to attack a target computer is known as a _____ attack.
- Adistributed denial of service
- Bnetwork connectivity
- CSYN flood
- DSmurf
53Attacking a computer by sending it an excessive number of email messages is known as
- APinging
- BSpamming
- CSmurfing
- DSpoofing
54With respect to security on the Internet, what is the purpose of digital signatures?
- ATo encrypt mail messages
- BTo post anonymous messages to bulletin boards
- CTo request receipts for all sent messages
- DTo verify the identity of a message sender
55One of the most common applications of encryption is transmitting data securely over the Web is ______
- Aa simple substitution code
- Be-mail
- Ca Trojan horse
- Dthe Secure Socket Layer (SSL)
56Which encryption method uses a pair of digital keys?
- AS-HTTP
- BPublic key encryption
- CActive-X
- DSSL
57Which 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
- AI and III only
- BI, II, and III
- CII and III
- DI and II only
58Embedding 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?
- AEncryption
- BMIME
- CTCP/IP
- DGIF
59ISPs can be accessed by which of the following ways? I. Telephone lines II. Cable television systems III. Personal satellite dishes
- AII only
- BI, II, and III
- CI and II only
- DI only
60The numbers in IP addresses are separated by
- Acommas
- Bcolons
- Cperiods
- Dpoints
61What knits the Internet together and allows data to travel smoothly over the communications links provided by NSPs worldwide?
- AURL
- BHTTP
- CTCP/IP
- DFTP
62What networks are useful in environments where wiring is difficult to install?
- AWireless
- BWirefree
- CCoaxial
- DTwisted pair
63What top-level domain belongs to computers in the category of commercial businesses?
- Absn
- Borg
- Ccom
- Dbus
64An IP address is a set of four numbers between 0 and
- A255
- B16
- C24
- D128
65What top-level domain belongs to computers in the category of networks and ISPs?
- Ahtml
- Bnet
- Cint
- Dadm
66What top-level domain belongs to computers in the category of professional and nonprofit organizations?
- Aedu
- Borg
- Cnpo
- Dcom
67Which 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.
- AI only
- BIII only
- CI and III only
- DI, II, and III
68When you send an email to someone, it is sent to
- Athe recipient's email server
- Bthe recipient's computer
- Cthe sender's email server
- Dthe sender's email client
69Using a(n) _____ protocol, the sender and the receiver are synchronized by a signal called a clock
- Ablock
- Banalog
- Casynchronous
- Dsynchronous
70The bandwidth of a(n) _____ signal is usually measured in bits per second.
- Aanalog
- Bsatellite
- Cdigital
- Dvideo
71What 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?
- ACoaxial
- BUTP
- CSTP
- DBNC
72A communications _____ is a physical path or frequency for a signal transmission.
- Achannel
- Bbridge
- Cprotocol
- Dband
73Which of the following terms represents the transmission capacity of a communications channel?
- AResolution
- BBandwidth
- CIndexing
- DFrequency
74Which of the following are commonly used network topologies? I.Star II. Ring III.Modems
- AI and III only
- BII and III only
- CIII only
- DI and II only
75When 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
- AI, II, and III√
- BI and II only
- CII and III only
- DI and III only
76Modems transfer data between computers by converting between
- Aanalog and Ethernet
- Bvideo and sound
- CEthernet and digital
- Danalog and digital
77Which of the following are potential communications links? I. Telephone wiring II. Fiber-optic cable III. Satellite
- AIII only
- BI, II, and III
- CII only
- DI and II only
78What 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?
- ALine-of-sight
- BUTP
- CRadio
- DInfrared
79Which of the following are protocols associated with Internet email? I.SMTP II.POP III. FTP
- AII and III only
- BI, II, and III
- CI and II only
- DI and III only
80Which 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
- AI and III only
- BI and II only
- CI, II, and III
- DII and III only
81What is a backbone provider (also known as a Network Service Provider)?
- AThe largest provider of Internet access within a particular region
- BA provider of national and international network links for the Internet
- CAny company that provides Web-based services
- DA group of small providers that work together to provide Internet access
82With respect to the Internet, routers are used to connect
- Adifferent networks of computers
- Bany two computers
- Ca computer to the Internet
- Da computer and a modem
83What is the name of the Internet protocol used to make sure messages are reliably transmitted and received by the destination computer?
- APOP
- BIP
- CISP
- DTCP
84The World Wide Web is
- Aa collection of Web servers throughout the world
- Ba client/server application program used to access the Internet
- Ca software package
- Dthe same as the Internet
85When a fully explicit URL such as http://www.iitu.kz is provided to an Internet browser, "http" refers to the name of the
- Aprotocol used to perform the operation
- BWeb server containing the Web page
- Clanguage in which the page is written
- Ddomain where the Web server resides
86IP host addresses on the Internet are composed of which of the following?
- AAny number of lowercase alphanumeric characters
- BFour decimal numbers ranging from 0 to 255
- CA single decimal number ranging from 0 to 255
- DA 24-bit number
87After 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- AII only
- BI and II only
- CII and III only
- DI, II, and III
88Which 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.- AI and III only
- BI, II, and III
- CII and III only
- DI and II only
89Which of the following computer attacks is spoofing?
- AAccessing an unprotected port on a computer
- BUsing one computer to impersonate another
- CMonitoring a network to intercept data
- DUsing a program to decrypt passwords
90The method of cracking a password by trying all possible alphanumeric combinations is known as a _____ attack
- Aman-in-the-middle
- Bbrute force
- Cdictionary
- Dport scanning
91After 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?
- AThe document could have contained a macro that contained a virus.
- BA document cannot contain a virus, so the source of the virus was not the word processing document.
- CThe word processing program checks all documents for viruses before using them, so the source the virus was not the document.
- DThe document text could have contained an embedded virus.
92Which of the following is email spoofing?
- AIntercepting email by monitoring a network
- BModifying an email header to fake the email source
- CSending viruses through email
- DSending large amounts of unsolicited email
93Which 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- AI, II, and III
- BI and II only
- CI and III only
- DII and III only
94Which 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.- AI, II, and III
- BI and III only
- CI only
- DII and III only
95Which 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.- AI and II
- BNone
- CII only
- DI only
96Which 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.- AII only
- BI only
- CNone
- DI and II
97Which 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- AIII only
- BI and III only
- CI, II, and III
- DII and III only
98Which 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.- AI and II only
- BII and III only
- CI, II, and III
- DI and III only
99How does a receiver of an encrypted message verify that the message originated from the sender?
- AThe receiver compares the received message with the sender's signature.
- BThe receiver compares the message hashed with the decrypted signature of the sender.
- CThe receiver compares the message hashed with the sender's signature.
- DThe receiver compares the message with the decrypted signature of the sender.
100To encrypt a message using public-key encryption scheme, which of the following must be done?
- AEncrypt the message using the sender's public key.
- BEncrypt the message using the receiver's public key.
- CEncrypt the message using the sender's private key.
- DEncrypt the message using the receiver's private key.
101Which 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- AI and II only
- BI, II, and III
- CI, and III
- DII and III only
102Encryption is used to
- Aarchive system files
- Bprotect privacy by encoding data
- Cstore data files in a vault
- Dsave storage space
103Of the following processes, which best characterizes the authentication process?
- AAuthorizing use of some resource by a particular user
- BEstablishing a user identity
- CVerifying that software that is in use is not a pirated copy
- DLogging into a secure site
104123. 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.
•
•
•
•- AI and II
- BII only
- CNone
- DI only
105Which 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.- AI and II
- BII only
- CNone
- DI only
106The security of data can be violated through which of the following? I.Malicious acts
II.User errors
III.Disasters- AI and III only
- BI only
- CI, II, and III
- DII and III only
107Which 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.- AII only
- BI only
- CI and II
- DNone
108Good computer security practices include which of the following?
I.Never shop online.
II.Remove excess RAM from computers.
III.Avoid sending email at night.- ANone
- BI, II, and III
- CI and II only
- DII and III only
109Examples of network monitoring tools include which of the following?
I.Packet sniffers
II.Antivirus software
III.Security patches- AI, II, and III
- BII only
- CI and III only
- DI only
110Which 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.- AI and III only
- BI, II, and III
- CI and II only
- DII only
111Which 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- AII and III only
- BI and III only
- CI, II, and III
- DIII only
112Which of the following statements is (are) true about smart cards?
I.They are vulnerable to Internet attacks.
II.They can encrypt data.- AI only
- BI and II
- CNone
- DII only
113Which of the following is correct with respect to customers providing highly personal information across the Internet through electronic commerce transactions?
- AIf a transaction is encrypted, any unauthorized parties intercepting the transaction will take ten or more years to decrypt the information.
- BIt is impossible for anybody to see the transaction on the Internet except for the intended Web site conducting the transaction.
- CTransactions are relatively secure between the consumer and a company's Web site if the data is encrypted.
- DCustomers should never provide charge card information when asked to complete an electronic commerce transaction.
114Which of the following comparisons between public-key encryption schemes and private-key encryption schemes is true?
.- APublic-key encryption schemes involve more computations than private-key encryption schemes.
- BPrivate-key encryption schemes are more secure than public-key encryption schemes.
- CIt is easier to decrypt data using private-key encryption schemes than public-key encryption schemes
- DIt takes longer to transmit encrypted data using private-key encryption schemes than public-key encryption schemes.
115Which of the following is true about private-key encryption schemes?
- AThe sender must notify the receiver before sending a message.
- BThe sender and the receiver have two private keys, one for encryption and one for decryption.
- CThe sender and the receiver use the same private key.
- DThe sender and the receiver have different private keys.
116Which 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.- AI only
- BII only
- CI and II
- DNone
117Anti-virus software with updated virus definitions typically protects against which of the following?
I.Worms
II.Trojan horse programs- AII only
- BI and II
- CNone
- DI only
Información
- Descripción
- Test sobre ICT FIN1601, creado por Very İnteresting el 23/05/2017.
- Autor
- Very İnteresting
- Idioma
- English
- Visitas
- 9
- Valoración
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