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A/L 2011 Practice Questions

Chaminda ThilakaathnaMULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

1) The first large-scale electronic computer was named the: 1)A) DEC. B) PC.C) Sperry Rand Univac. D) ENIAC.

2) The third generation of computers incorporated all of the following technologies, except: 2)A) semiconductor memories. B) magnetic core memories.C) operating system. D) integrated circuits.

3) The major technological breakthrough leading to the introduction of microcomputers was thedevelopment of:

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A) VLSI circuits. B) semiconductor memories.C) LSI circuits. D) microprocessors.

4) Digital Equipment Corporation (DEC) and Hewlett-Packard are firms often associated with theintroduction of computers aimed at smaller businesses and scientific applications. This type ofcomputer is known as a:

4)

A) mainframe. B) PDA.C) minicomputer. D) microcomputer.

5) All of the following refer to the same type of computer, except: 5)A) microcomputer. B) minicomputer.C) PC. D) personal computer.

6) Today, the overwhelming world leader in microprocessor sales is: 6)A) Sun Microsystems. B) Intel.C) IBM. D) AMD.

7) Which of the following two building blocks of a computer comprise the central processing unit(CPU)?

7)

A) Control unit and arithmetic/logical unit B) Memory and arithmetic/logical unitC) Memory and files D) Control unit and files

8) All microcomputers are made up of the same basic components, some of which include: 8)A) input, memory, and DASD controller.B) output, memory, and arithmetic/logical unit.C) communication bus, memory, and modem.D) bytes, input, and output.

9) Which of the following is not an example of a computer output device? 9)A) Printer B) Voice response unitC) Imaging D) COM recorder

10) Which method of input can recognize characters from typed, printed, or handwritten material? 10)A) OCR B) COM C) MICR D) UPC

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11) In computer memory, a cell that can store two or more characters of data is called a: 11)A) partition. B) byte. C) word. D) bit.

12) Which of the following is an example of a common bit coding scheme used today? 12)A) ASCII B) VLSI C) COM D) DASD

13) The ________ performs basic operations on numbers (e.g., addition, subtraction, and equalitycomparisons)?

13)

A) arithmetic/logic unit B) control unitC) cache memory D) RAID

14) Which of the following is not an advantage of secondary storage devices compared to mainmemory?

14)

A) Nonvolatility B) Fast speed C) Low cost D) High capacity

15) On which type of media are sequential access files typically stored? 15)A) REV drive B) Magnetic tape driveC) Flash drive D) Floppy disk drive

16) DASD refers to: 16)A) delayed access sequential device. B) direct access storage device.C) digital-analog signal distortion. D) direct analysis system development.

17) Which of the following applications is most likely to use sequential access files? 17)A) An online transaction processing system B) A web browserC) A payroll batch processing application D) An airline reservation system

18) One example of optical media that can be recorded and erased repeatedly is a: 18)A) DVD-R. B) CD-RW. C) CD-ROM. D) DVD+R.

19) A list of operations to be performed by the control unit is called: 19)A) data. B) memory. C) a control list. D) a program.

20) The process of entering a computer program into the memory of a computer is called ________ theprogram.

20)

A) loading B) processing C) inputting D) reading

21) Machine language is the form of a computer program that the control unit of the computer hasbeen built to understand. A machine language instruction consists of which of the following twomajor components?

21)

A) RISC and data channel B) Operation code and address(es)C) Sequential and direct access files D) Bits and bytes

22) Each individual step or operation in a program is called a(n): 22)A) program step. B) instruction. C) bit. D) word.

23) Evaluating how well various machines will handle an organization's workload by running arepresentative set of real jobs on the machines is called:

23)

A) caching. B) benchmarking. C) testing. D) compiling.

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24) ________ is a commonly used rating of a computer's speed that is based on the rate at whichfloating point operations are executed.

24)

A) MFLOPS B) MPP C) CPU D) MIPS

25) The very high-speed, high-cost memory that is used as an intermediary between the control unitand main memory is called the:

25)

A) secondary memory. B) DASDs.C) CPU. D) cache memory.

26) A multiprocessor configuration (multiple CPUs installed as part of a single computer system) inwhich each processor operates independently of the others, each working on a separate program, iscalled a:

26)

A) multiprogrammer. B) vector facility.C) parallel processor. D) symmetric multiprocessor.

27) The success of cache memory depends upon two characteristics of the data to be used in the CPU,namely:

27)

A) bits and bytes. B) locality of reference and data reuse.C) baud and bandwidth. D) digital and analog.

28) A ________ system has two complete processors that are manufactured as part of a single chip. 28)A) dual-processor B) dual-controlC) binary-processor D) dual-core

29) Which type of computer systems are often used for departmental computing, specific applicationssuch as CAD, or servers in a client/server architecture?

29)

A) Microcomputers B) Workstation/midrange systemsC) Supercomputers D) Mainframes

30) Which type of computer systems are often used for numerically intensive scientific calculations oract as extremely large Web servers?

30)

A) Supercomputers B) Workstation/midrange systemsC) Mainframes D) Microcomputers

31) Laptops, handhelds, and tablet PCs are all examples of which type of computer system? 31)A) Mainframes B) Workstation/midrange systemsC) Microcomputers D) Supercomputers

32) Which of the following are described as the heart of the computing systems of most majorcorporations and government agencies and can handle a wide range of applications?

32)

A) Supercomputers B) MainframesC) Microcomputers D) Workstation/midrange systems

33) The development of the ________ chip is largely responsible for the success of midrange systemsbecause it can be built smaller and faster than the chips used in mainframe systems.

33)

A) DASD B) MIPS C) RISC D) SMP

34) What is the only microcomputer vendor that is not producing an IBM-compatible PC? 34)A) Hewlett-Packard B) DellC) Lenovo D) Apple

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35) ________ servers are housed in a single chassis, as opposed to each having a separate tower, whichsaves space and improves system management.

35)

A) Blade B) Razor C) Mini D) Shared

36) Today Dell, Hewlett-Packard, IBM, Sun Microsystems, and Fujitsu are the major players in the________ market.

36)

A) pocket PC B) supercomputerC) mainframe D) workstation/midrange system

37) The smallest microcomputer which also has the ability to make phone calls is often called a: 37)A) PDA. B) tablet PC. C) laptop. D) killer PDA.

38) Currently, what is the name of the fastest supercomputer in the world? 38)A) Roadrunner B) Earth Simulator C) Life Simulator D) Blue Gene/L

39) For a button to be clicked the: 39)A) column coordinate of the mouse pointer must be inside the buttonB) row coordinate of the mouse pointer must be inside the buttonC) point of the arrow must be in the same location at the start and the end of the clickD) all of the above

40) Examples of random access include all of the following except: 40)A) getting to your car in the parking lot B) finding an article in a newspaperC) playing your favorite song on a CD D) finding a scene on a videotape

41) The basic storage unit of RAM is a ________ while the basic storage unit of a hard disk is a________.

41)

A) byte, megabyte B) bit, byteC) megabyte, gigabyte D) byte, byte

42) Why is microprocessor an outdated term? 42)A) today's microprocessors are more powerful than mainframe processorsB) today's computers don't rely on processorsC) computers are now more powerful and sophisticatedD) none of the above

43) RAM is usually measured in: 43)A) megabytes B) bytes C) gigabytes D) terabytes

44) Hard disk space is generally measured in: 44)A) megabytes B) bytes C) terabytes D) gigabytes

45) The only way to retain information between sessions is to save the information to the: 45)A) microchip B) hard disk C) RAM D) ROM

46) If hardware is inherent and software is learned, which of the following inherent-learnedcombinations does not fit?

46)

A) breathing-driving directions B) writing-yawningC) blinking-recipe D) flinch-test instructions

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47) If there is nothing in RAM when you start the computer and you have to load software into RAM touse the computer, how do you get the computer to work?

47)

A) the directions to load software into RAM are stored in ROMB) you have to enter a command to get the process startedC) not all of RAM is lost when the computer is shut downD) none of the above

48) Booting a computer means to: 48)A) run a program from the hard disk B) restart the computer after a crashC) start the computer D) none of the above

49) Which of the following is not a current term for the process a computer uses to carry out theinstructions of a program?

49)

A) run B) interpret C) orders D) execute

50) In the story of the tortoise and the hare, the abstraction is: 50)A) slow and steady wins the race B) speed is deceivingC) the hare D) the tortoise

51) Understanding how the pedals on your bike transfer power to the wheels: 51)A) is an algorithm B) is a generalizationC) makes you operationally attuned D) is an abstraction

52) Using ROY G BIV to remember, in order, the colors of the rainbow as red, orange, yellow, green,blue, indigo, and violet is an example of a:

52)

A) generalization B) mnemonic C) algorithm D) abstraction

53) Monitors display the information stored in the computers memory; the term for this is: 53)A) pixelated B) bit-mapped C) monolithic D) cathode

54) The refresh rate of a display is typically: 54)A) 100 times per minute B) 100 times per secondC) 30 times per second D) 1 million times per hour

55) Integrated circuit (IC) technology is informally called: 55)A) ROM B) RAM C) bit-maps D) microchips

56) When a packet is sent from one computer to another, the transmission is called a: 56)A) hop B) jump C) skip D) vault

57) A WAN is to TCP/IP as LAN is to: 57)A) Ethernet B) packet C) channel D) DNS

58) DSL stands for: 58)A) direct service link B) digital subscriber linkC) dialup service link D) digital subscriber line

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59) A DHCP (Dynamic Host Computer Protocol): 59)A) lets the computer select its own IP when it connects to the networkB) makes sure a computer gets the same IP every time it connects to the networkC) maintains a LAN's connection to the InternetD) assigns an IP address to the computer from a list of possible addresses

60) Which of the following represents the correct order, from largest to smallest? 60)A) WWW, Internet, LAN B) LAN, WWW, InternetC) Internet, WWW, LAN D) Internet, LAN, WWW

61) www.cs.washington.edu is a: 61)A) email address B) pathname C) domain D) protocol

62) The very last part of a URL is usually a: 62)A) domain B) path C) folder D) file name

63) Folders contain: 63)A) folders B) filesC) both files and folders D) neither files nor folders

64) When a URL ends in a folder name instead of a file name, the server usually looks for a file called: 64)A) home B) dir.html C) index.html D) all of the above

65) In a directory hierarchy, folder names are separated by a: 65)A) space B) dot (.) C) slash (/) D) backslash (\)

66) In a client/server structure, there: 66)A) is a dedicated connection B) is a one-to-many connectionC) are transmissions to complete a request D) is a broadcast connection

67) Communication between one sender and an entire population of receivers is called: 67)A) multicast communication B) broadcast communicationC) point-to-point communication D) client/server communication

68) Getting files from a Web server is called: 68)A) client-based networking B) uploadingC) multicasting D) downloading

69) A related group of networked computers forms a: 69)A) server B) DNS C) domain D) broadband

70) Which of the following lines is properly nested? 70)A) Happy New Year!

B) Happy New Year!C) Happy New Year!

D) >Happy New Year!

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71) The main content of a Web page belongs inside the: 71)A) body tags B) title tagsC) html tags D) more than one of the above

72) Which of the following tags is not required on a Web page? 72)A) <html> B) </hr> C) <head> D) <body>

73) Attributes: 73)A) go inside the lead tag B) must be nestedC) can be used in any tag D) all of the above

74) To draw a thick line all the way across a page, you'd write: 74)A) <hr width = "100%" size = 8 /> B) <hr width = "400" size = 2 />C) <hr width = "100" size = 2 /> D) All of the above

75) Which of the following will display the rocket.jpg file on the page? 75)A) <img src = "rocket.jpg"> B) <img "rocket.jpg">

C) <img src rocket.jpg> D) <img src "rocket.jpg">

76) When an image is inserted next to text in an HTML document, keep in mind generally: 76)A) images are inserted in the text where specified by the HTML and the text is aligned with the

bottom of the imageB) text cannot be placed on the same line as the imageC) images are in the text where specified by the HTML and the text is aligned with the right of

the imageD) the size of the text is automatically adjusted to fill the area beside the image

77) If I wanted the word "Stop!" in red on my Web page, I would have to: 77)A) use the font tag with the color attributeB) use a red graphic that said "Stop!" and pick a different color for my textC) set my RGB specification to 0000FFD) make all the text on the page red

78) Full intensity of red, green, and blue will give you: 78)A) black B) FFFFFF C) white D) both B and C

79) How many digits are there in a hexadecimal number? 79)A) infinite B) 10 C) 16 D) 6

80) The tag <body bgcolor = "#888888"> would give you the background color: 80)A) white B) black C) gray D) an error

81) How many Web colors are possible using hexadecimal? 81)A) 2563 B) 16,777,216 C) FF * FF * FF D) all of the above

82) To create a Web page with a list of HTML commands and their tags, it would be best to use: 82)A) an ordered list B) a tableC) a definitional list D) an unnumbered list

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83) The XHTML tag for bold text is: 83)A) B) C) <bld></bld> D) <bb></bb>

84) The Firefox browser is distributed by: 84)A) W3 B) the Mozilla FoundationC) Apple D) Microsoft

85) Computer experts call spaces that have been inserted for readability: 85)A) embedded space B) blanksC) white space D) tags

86) Going down a hierarchy means: 86)A) moving from a general topic to a specific topicB) >

C) moving toward the branchesD) all of the above

87) How many levels are there in Figure 5.3? 87)A) 1 B) 2 C) 3 D) 73

88) The Web site for CNN (www.cnn.com) organizes its information by: 88)A) classifications B) single linksC) topic clusters D) none of the above

89) A googol is: 89)A) 10010 B) 10100

C) a search engine D) none of the above

90) You can tell if your Web page is indexed if: 90)A) it shows up in a searchB) your links workC) you get an email from a search engine saying it's been crawledD) all of the above

91) A search engine consists partly of a: 91)A) spider and a web B) snoop and a bull's-eyeC) query processor and a crawler D) link and a crawler

92) To find pages on the Wright brothers and bicycles, your best search would look like: 92)A) "Wright" AND "bicycle" B) Wright bicycleC) "Wright AND bicycle" D) Wright OR bicycle

93) A search using the keyword AND requires: 93)A) one of the words to be found on the pageB) both words to be found together on the pageC) both of the words to be found on the pageD) none of the above

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94) Searching for "baseball" AND ("stadiums" OR "parks") AND NOT "national parks?" would look for: 94)A) baseball stadiums or baseball parks not national parksB) baseball or stadiums or parks not national parksC) baseball and stadiums and parks not national parksD) none of the above

95) A two-pass search is a type of: 95)A) AND search B) OR searchC) NOT search D) none of the above

96) Online versions are not typically available for knowledge generated prior to: 96)A) 1850 B) 1975 C) 1985 D) 1993

97) Suppose a collection has a million items divided into 10 (roughly) equal-size categories. Howmany items does choosing one category eliminate from consideration?

97)

A) 10,000 B) 500,000 C) 900,000 D) 999,000

98) The hierarchy at the npr.org website has: 98)A) three roots B) only one way to access informationC) two levels D) the shape of a diamond

99) In a search engine, the index is built by the: 99)A) indexer B) crawlerC) linker D) query processor

100) The crawler builds tokens by looking for: 100)A) vowels B) periodsC) commas and semicolons D) spaces

101) The query processor processes an AND query by: 101)A) using a GUI B) removing duplicatesC) crawling D) intersecting

102) Logical operators can be combined using: 102)A) square brackets B) plus and minus C) curly brackets D) parentheses

103) The memory in the computer is most like: 103)A) a stack of plates B) a row of cupsC) spokes on a wheel D) a set of railroad tracks

104) Which of the following is not a binary system? 104)A) traffic light B) a light C) free throw D) test answer

105) How many bits does each hex digit require? 105)A) 2 B) 4C) 16 D) hex is not measured in bits

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106) What does ASCII stand for? 106)A) Aspiring Students Confused by Incoherent IncantationsB) American Standard Code for Information InterchangeC) All Standards Complete Initialization InterfaceD) Algorithmic Sequence of Computer Integrated Information

107) The Hawaiian alphabet has 18 symbols. How many bits are needed to represent just these symbols? 107)A) 2 B) 4 C) 5 D) 16

108) The original version of ASCII used: 108)A) 4-bit code B) 7-bit code C) 8-bit code D) 16-bit code

109) What is the difference between 0110 0001 and 0110 0001 in ASCII? 109)A) the first is A, the second is aB) one is a standard letter, the other is a numberC) one is 4-bit, the other is 8-bitD) one is standard ASCII, the other is extended ASCII

110) 0100 0001 0101 0011 0100 0011 0100 1001 0100 1001 in ASCII translates into: 110)A) GLASS B) ABCDE C) BRASS D) ASCII

111) To avoid confusion and errors, NATO uses distinct words instead of letters in its broadcastalphabet. How do computers do the same thing?

111)

A) extended ASCII B) file backupsC) 4-byte datapath D) parity bits

112) If the parity bit is set to 1, it means: 112)A) there's been an error B) it is the last byte in a sequenceC) there is an even number of 1 bits D) there is an odd number of 1 bits

113) The PandA system: 113)A) contains gray B) is formed from 256 letter representationsC) is binary D) has 10 digits

114) How many digits are there in the hexadecimal system? 114)A) 2 B) 4 C) 10 D) 16

115) A device that acts as a connection point between computers and can filter and forward data to aspecified destination is called a

115)

A) NIC. B) hub. C) router. D) switch.

116) The Internet is based on which three key technologies? 116)A) TCP/IP, HTML, and HTTPB) TCP/IP, HTTP, and packet switchingC) Client/server computing, packet switching, and HTTPD) Client/server computing, packet switching, and the development of communications

standards for linking networks and computers

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117) The method of slicing digital messages into parcels, transmitting them along differentcommunication paths, and reassembling them at their destinations is called

117)

A) packet routing. B) multiplexing.C) packet switching. D) ATM.

118) The telephone system is an example of a ________ network. 118)A) peer-to-peer B) packet-switchedC) wireless D) circuit-switched

119) Which of the following is NOT a characteristic of packet switching? 119)A) Packet switching requires point-to-point circuits.B) Packets travel independently of each other.C) Packets include data for checking transmission errors.D) Packets are routed through many different paths.

120) In TCP/IP, IP is responsible for 120)A) sequencing the transfer of packets.B) moving packets over the network.C) disassembling and reassembling of packets during transmission.D) establishing an Internet connection between two computers.

121) In a telecommunications network architecture, a protocol is 121)A) a standard set of rules and procedures for control of communications in a network.B) the main computer in a telecommunications network.C) a communications service for microcomputer users.D) a device that handles the switching of voice and data in a local area network.

122) The four layers of the TCP/IP reference model are 122)A) application layer, hardware layer, Internet layer, and the network interface layer.B) physical layer, application layer, Internet layer, and the network interface layer.C) application layer, transport layer, Internet layer, and the network interface layer.D) physical layer, application layer, transport layer, and the network interface layer.

123) Which signal types are represented by a continuous waveform? 123)A) analog B) laser C) digital D) optical

124) To use an analog telephone system for sending digital data, you must us 124)A) a modem. B) a router. C) twisted wire. D) DSL.

125) Which type of network is used to connect digital devices within a half-mile or 500-meter radius? 125)A) microwave B) MAN C) LAN D) WAN

126) Which type of network treats all processors equally, and allows peripheral devices to be sharedwithout going to a separate server?

126)

A) ring B) wireless C) LAN D) peer-to-peer

127) Which type of network would be most appropriate for a business that comprised three employeesand a manager located in the same office space, whose primary need is to share documents?

127)

A) peer-to-peer network B) campus area networkC) wireless network in infrastructure mode D) domain-based LAN

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128) In a bus network 128)A) messages pass from computer to computer in a loop.B) multiple hubs are organized in a hierarchy.C) signals are broadcast in both directions to the entire network.D) signals are broadcast to the next station.

129) All network components connect to a single hub in a ________ network. 129)A) peer-to-peer B) bus C) domain D) star

130) The most common Ethernet topology is 130)A) bus. B) mesh. C) star. D) ring.

131) A network that spans a city, and sometimes its major suburbs as well, is called a 131)A) WAN. B) LAN. C) CAN. D) MAN.

132) A network that covers entire geographical regions is most commonly referred to as a(n): 132)A) intranet. B) local area network.C) wide area network. D) peer-to-peer network.

133) ________ work(s) by using radio waves to communicate with radio antennas placed withinadjacent geographic areas.

133)

A) Microwaves B) Cell phones C) WANs D) Satellites

134) Bandwidth is the 134)A) total number of bytes that can be sent through a medium per second.B) number of frequencies that can be broadcast through a medium.C) difference between the highest and lowest frequencies that can be accommodated on a single

channel.D) number of cycles per second that can be sent through a medium.

135) The total amount of digital information that can be transmitted through any telecommunicationsmedium is measured in

135)

A) gigaflops. B) Hertz. C) baud. D) bps.

136) Digital subscriber lines 136)A) are very-high-speed data lines typically leased from long-distance telephone companies.B) operate over existing telephone lines to carry voice, data, and video.C) operate over coaxial lines to deliver Internet access.D) have up to twenty-four 64-Kbps channels.

137) T lines 137)A) operate over existing telephone lines to carry voice, data, and video.B) have up to twenty-four 64-Kbps channels.C) operate over coaxial lines to deliver Internet access.D) are very-high-speed data lines typically leased from long-distance telephone companies.

138) Which protocol is the Internet based on? 138)A) FTP B) packet-switchingC) TCP/IP D) HTTP

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139) What service converts IP addresses into more recognizable alphanumeric names? 139)A) HTML B) HTTP C) IP D) DNS

140) The child domain of the root is the 140)A) host name. B) second-level domain.C) domain extension. D) top-level domain.

141) In the domain name "http://myspace.blogging.com", what are the root, top-level, second-level, andthird-level domains, respectively?

141)

A) "http://", com, blogging, myspace B) "http://", myspace, blogging, comC) ".", myspace, blogging, com D) ".", com, blogging, myspace

142) Which organization helps define the overall structure of the Internet? 142)A) ICANN B) IABC) None (no one "owns" the Internet) D) W3C

143) IPv6 is being developed in order to 143)A) allow for different levels of service.B) support Internet2.C) update the packet transmission protocols for higher bandwidth.D) create more IP addresses.

144) Which of the following services enables logging on to one computer system and working onanother?

144)

A) FTP B) TelnetC) LISTSERV D) World Wide Web

145) Instant messaging is a type of ________ service. 145)A) chat B) wireless C) cellular D) Web

146) The need in some cases for employees to have access to sexually explicit material on the Internet,such as medical researchers, suggests that companies

146)

A) cannot restrict Internet use.B) may need to maintain a database of acceptable Web sites.C) need to base their Internet use policies on the needs of the organization and culture.D) need specialized software to determine which types of material are acceptable.

147) ________ integrate(s) disparate channels for voice communications, data communications, instantmessaging, e-mail, and electronic conferencing into a single experience.

147)

A) Unified communications B) Virtual private networksC) Wireless networks D) Intranets

148) A VPN 148)A) is more expensive than a dedicated network.B) is an encrypted private network configured within a public network.C) is an Internet-based service for delivering voice communications.D) provides secure, encrypted communications using Telnet.

149) Web browser software requests Web pages from the Internet using which protocol? 149)A) HTML B) URL C) DNS D) HTTP

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150) Together, a protocol prefix, a domain name, a directory path, and a document name, are called a(n) 150)A) uniform resource locator. B) third level domain.C) root domain. D) unified resource locator.

151) Which of the following is not true about a relation? 151)A) A relation may have duplicate column names.B) The order of the rows of a relation is insignificant.C) The cells of a relation must hold a single value.D) A relation is a two-dimensional table.E) A relation may not have duplicate rows.

152) Which of the following is true about a relation? 152)A) All entries in any column must be of the same kind.B) A relation may have duplicate rows.C) A relation may have multiple names.D) A relation may have duplicate column names.E) The order of the columns in a relation must go from largest to smallest.

153) Which of the following terms is synonymous with "tuple"? 153)A) Attribute B) Table C) Relation D) Field E) Row

154) Which of the following terms is synonymous with "relation"? 154)A) Attribute B) Record C) Row D) Table E) Tuple

155) Which of the following is true about a key? 155)A) It may be unique.B) It may identify more than one row.C) It may be non-unique.D) Both A and BE) All of the above

156) A key that contains more than one attribute is called a(n): 156)A) multi-key.B) n-key.C) composite key.D) complex key.E) candidate key.

157) A primary key is: 157)A) required to be unique.B) a candidate key.C) used to identify unique rows.D) used to represent rows in relationships.E) All of the above

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158) A candidate key is: 158)A) a candidate to be the primary key.B) used to represent rows in relationships.C) required to be unique.D) Both A and BE) Both A and C

159) When the primary key of one relation is placed into a second relation, it is called a: 159)A) relocated key.B) field key.C) referential integrity.D) candidate key.E) foreign key.

160) STUDENT (SID, StudentName, Major, AdvisorID)

ADVISOR (AdvisorID, AdvisorName, Office, Phone)

Given the relations above, such that each student is assigned to one advisor, which of the followingis true?

160)

A) AdvisorName is a determinant.B) Major is a candidate key.C) SID is both a primary key and a foreign key.D) Phone is a candidate key.E) AdvisorID is a foreign key.

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