What is a Firewall in Computer Network?


Options:  The physical boundary of Network B.  An operating System of Computer Network       C.  A system designed to prevent unauthorized access D.  A web browsing Software

Ans:– C ,


Description: mcqquestions

Asked in: KCC-2018   |   JOA 556-2018  |  HRTC JTO-2017

Hits Today: 12001 | Level: Moderate




Got some suggestion about this question or to make this site better? Please leave your comments below.


Want to see where do you stand among other aspirants in "Computer" Category?

Click Here to take quick 5 mins MCQ test to find out.

More Computer Networks Related questions:


Which two commands enable you to move between directories?
Options: CD,    CHDIR,    MOVE,    MOVE DIR

Ans:A ,A


What layer of OSI determines the interface of the system with the user?
Options: Session,    Data-link,    Application,    Network

Ans:C ,C


You are installing an IDE hard drive that will be your boot drive. Which is the correct order of steps that need to be followed?
Options: A. jumper properly, auto-detect(or configure manually) in CMOS, low level format, high level format, partition B. jumper properly, auto-detect(or configure manually) in CMOS, partition, high level format with / s switch C. jumper properly, partition, auto-detect(or configure manually in CMOS, high level format with /s switch D. jumper properly, auto-detect in CMOS, regular format

Ans:B ,jumper properly, auto-detect(or configure manually) in CMOS, partition, high level format with / s s


On which toolbar can you find Format Painter tool?
Options:  A) Standard toolbar, B) Formatting toolbar, C) Drawing Toolbar, D) Picture Toolbar,

Ans:-A,-A


H.P. Luhn and Stephen E. Forth developed an application for the computer named
Options: selective dissemination of information,    management information system,    information retrieval,    document retrieval

Ans:C ,C


What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm?
Options: 220 ohm,    150 ohm,    445 ohm,    690 ohm

Ans:B ,B


What Is a process variable?
Options: A manipulated variable,    A controlled variable,    A process parameter that changes value,    All of the above

Ans:D ,D


Multi user systems provided cost savings for small business because they use a single processing unit to link several
Options: A) Personal computers B) Workstations C) Dumb terminals D) Mainframes

Ans:-C,-C


A data element in a record, that uniquely distinguishes the record, from all other records, is called
Options: response time,    Key,    System review,    test data

Ans:B ,B


. If particular workbook have to open each time Excel started, where that workbook should be placed?
Options: a. AUTOEXEC Folder b. AUTOSTART Folder c. EXCELSTART Folder d. XLSTART Folder

Ans:– d,– d


Working of the WAN generally involves
Options: telephone lines,    microwaves,    satellites,    All of the above

Ans:D ,D


What is the output of the program #include<stdio.h> int main() { extern int fun(float); int a; a = fun(3.14); printf("%d\n", a); return 0; } int fun(int aa) { return (int)++aa; }
Options: 3,    3.14,    0 ,    4

Ans:E ,E


. Which of the following methods CANNOT be used to delete records from a table?
Options: a. Selecting records and pressing [Delete] b. Pressing [Ctrl]+[’] c. Clicking the Delete Record button d. From the ribbon, selecting Delete Record

Ans:4 – b ,4 – b


Which one of the following is not the function of Operating System?
Options:  Resource Management B.  File Management C.  Networking D.  Processor Management

Ans:– C ,


. Who invented Slide Rules?
Options: A) John Napier B) William Oughtred C) Gottfried Leibnitz D) Blaise Pascal

Ans:4-B,4-B


During the boot process, a system first counts memory from where?
Options: Expansion memory board,    Video adapter,    System board,    Cache

Ans:C ,C


A type of line printer that uses an embossed steel band to form the letters printed on the paper is
Options: Golf ball printer,    Dot-matrix printer,    Laser printer,    Band printer

Ans:D ,D


What is the main advantage of magnetic core memory over semiconductor RAM memory?
Options: more compact and smaller,    more economical,    a bit does not have to write after reading,    non volatile

Ans:D,D


The basic unit within a computer store capable of holding a single unit of data is
Options: Register,    ALU,    Control unit,    Store location

Ans:D ,D


In LISP, the addition 3 + 2 is entered as
Options: 3 + 2,    3 add 2,    3 + 2 =,    (+ 3 2)

Ans:D ,D


EDP auditors can be used in the
Options: implementation phase of MIS development,    planning phase of MIS development,    analysis and design phase of MIS development,    All of the above

Ans:D ,D


Management's decision to rent a computer system may be based upon
Options: tax advantages,    desire to avoid a large one-time payment,    operational flexibility in changing hardware,    All of the above

Ans:D ,D


In the Binary numbering system, a (1) represents a jumper being shorted and a (0) represents a jumper being open. On a three-bit jumper block on a SCSI drive, how would an ID of logical 3 be set?
Options: 100,    010,    011,    . 101

Ans:C ,C


Which key do you press to check spelling?
Options: F3 B. F5 C. F7 D. F9

Ans:– C ,


. Which of the following printing devices an output composed of a series of data?
Options: A) Wire matrix printer B) Band printer C) Wang image printer D) Both a and c

Ans:D,D


What device protects against line deficiencies?
Options: Surge protector,    UPS,    Logic probe,    Capacitor

Ans:B ,B


Which of the following is generally true about management reports?
Options: low-level managers need information in the form of detailed reports,    reports can be issued on demand, periodically, or on the occurrence of a specific tvont,    middle managers use exception reports,    middle managers use a summary reports

Ans:E ,E


How is the integral mode implemented using analog methods?
Options: Op amp and resistors,    Op amp and a capacitor,    Op amp and an RC network to place the error voltage across the capacitor,    All of the above

Ans:B ,B


Which of the following refers to something that can be identified in the users' work environment, something that the users want to track?
Options: Entity,    Attribute,    Identifier,    Relationship

Ans:A ,A


. Ctrl + V
Options: Paste Texts in the beginning of Document B. Paste Images in the beginning of Document         C. Paste Tables at the middle of Document D. None of the above

Ans:– D ,


The bubbles in a bubble memory pack are created with the help of?
Options: Laser beam,    Magnetic field,    Electric field,    X-ray

Ans:B,B


. The _____ is a special toolbar that displays a series of names, each of which represents a list of commands that can be used to perform tasks.
Options: a. scroll bar b. status bar c. title bar d. menu bar

Ans: – D , – D


Most algorithms follow the format of
Options: Entering the input items, then displaying the input items, and then processing the output items,    Entering the input items, then processing the output items, and then displaying the output items,    Entering the input items, then processing the input items, and then displaying the output items,    Entering the output items, then displaying the output items, and then processing the output items

Ans:C ,C


Requirements also serve as an evaluation checklist at the end of the development project, so they are sometimes called _____.
Options: System Development Life Cycle,    CASE tool,    Phased Conversion,    Success factors

Ans:D ,D


The continuing education program that all managers should get into is
Options: a seminar series on technical developments in chemistry,    new developments in accounting,    information on threats and opportunities faced by the business,    Ail of the above

Ans:C ,C


During preventative maintenance on a dot matrix printer, do NOT lubricate:
Options: Platen assembly,    Print head pulley,    Print head pins,    Paper advance gear bushings

Ans:C ,C


The basic operations performed by a computer are
Options: A) Arithmetic operation B) Logical operation C) Storage and relative D) All the above

Ans:D,D


Which of the following tools is not used for process descriptions?
Options: pseudocodes,    decision tables,    structured english,    data dictionaries

Ans:D ,D


The decimal equivalent of the binary number 11100001111 is
Options: 1806,    1807,    2806,    All of the above

Ans:B ,B


A hierarchical chart that divides a large program into modules, in which greater details is designed in successively lower programming levels, is called a
Options: Scheme,    sub-schema,    Structure,    All of the above

Ans:C ,C


Which of the following function is correct that finds the length of a string?
Options: int xstrlen(char *s) { int length=0; while(*s!='\0') { length++; s++; } return (length); } ,    int xstrlen(char s) { int length=0; while(*s!='\0') length++; s++; return (length); } ,    int xstrlen(char *s) { int length=0; while(*s!='\0') length++; return (length); } ,    int xstrlen(char *s) { int length=0; while(*s!='\0') s++; return (length); }

Ans:A ,A


Managers who are potential users of the MIS
Options: select the optimum equipment configurations,    evaluate alternate equipment configurations,    describe information needs,    All of the above

Ans:E ,E


Which of the following protocols are used to configure trunking on a switch? VLAN Trunk Protocol VLAN 802.1Q ISL
Options: 1 only,    3 only,    3 and 4,    1, 3 and 4

Ans:C ,C


. Which of the following is correct?
Options: =POWER(2^3) B. =POWER(2,3)             C. =POWER(2#3) D. =POWER(2*3)

Ans:– B ,


Each excel file is called a workbook because
Options: a. It can contain text and data b. It can be modified c. It can contain many sheets including worksheets and chart sheets d. You have to work hard to create it

Ans:#8211; c,#8211; c


If communication software can be called the "traffic cop" of a micro communication system, then what should the modem be called?
Options: Park,    Bridge,    Interface,    Link

Ans:B ,B


. What is represented by the small, black square in the lower-right corner of an active cell or range?
Options: a. Copy handle b. Fill handle c. Insert handle d. Border

Ans:– b,– b


Trailer labels contain
Options: file identification,    retention period,    both (a) and (b),    neither (a) nor (b)

Ans:D ,D


. To make directory
Options: a. MKD b. MKDIR c. CD d. All of the above

Ans:4 – b ,4 – b


.   Which of the following is not a transition effect?
Options: a. Blinks diagonal b. Dissolve c. Fade through black d. Blinds vertical

Ans:0 – A ,0 – A

www.000webhost.com