What is a Firewall in Computer Network? ...

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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 ,






More Computer Networks Related questions:


If you want to have more than one Telnet session open at the same time, what keystroke combination would you use?
Options: Tab+Spacebar,    Ctrl+X, then 6,    Ctrl+Shift+X, then 6,    Ctrl+Shift+6, then X

Ans:D ,D


WRAM is used on a
Options: modem,    video card,    motherboard,    ata connector

Ans:B ,B


Which of the following command is not available in Tools menu?
Options:  A) Auto text, B) Autocorrect, C) Auto summarize, D) Macro, 

Ans:-A,-A


A multi programming system is one that can
Options: run very fast,    share hardware resources with many programs simultaneously,    compute many programs simultaneously,    use many operating systems

Ans:B,B


Which of the following uses ATM as the Data Link layer protocol that's terminated at what's known as the DSLAM?
Options: DSL,    PPPoE,    Frame Relay,    Dedicated T1

Ans:A ,A


.  By default, what is the name of a new module in the Modules folder of the Project pane called?
Options: a.            Bas1 b.           Module c.           New Module d.            Module1

Ans:– d,– d


Pipelining strategy is called implement
Options: a . instruction execution b . instruction prefetch c . instruction decoding d . instruction manipulation

Ans:5.b,5.b


. Which statement is valid about interpreter?
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Ans:A,A


During the fusing process, toner is:
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Ans: high pressure sprayed onto the paper,D


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Options: the root is drawn on the left and is the starting point on the decision sequence,    the branch, to be followed, depends on the conditions and decisions, to be made,    the nodes represent the conditions, with the right wise of tree listing the actions to be taken,    All of the above

Ans:D ,D


hich of the following is not the Section Break Option?
Options: Next Page B. Previous Page C. Odd Page D. Even Page

Ans:– B ,


What command will display the forward/filter table?
Options: show mac filter,    show run,    show mac address-table,    show mac filter-table

Ans:C ,C


How many bits are used in the address bus?
Options: 7,    8,    9,    16

Ans:D ,D


A computer vision technique that relies on image templates is:
Options: edge detection,    binocular vision,    model-based vision,    robot vision

Ans:C ,C


. In a folder, which of the following command is used to rename the file or folder
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Ans:0 – c ,0 – c


IDE cables have how many pins?
Options: 25,    50,    100,    40

Ans:D ,D


A computer consists of
Options: A) A central processing unit B) A memory C) Input and output unit D) All of the above

Ans:-D,-D


A key:
Options: must always be composed of two or more columns.,    can only be one column.,    identifies a row.,    identifies a column.

Ans:C ,C


Point out the error in the following program (if it is compiled with Turbo C compiler). #include<stdio.h> int main() { display(); return 0; } void display() { printf("IndiaBIX.com"); }
Options: No error,    display() doesn't get invoked,    display() is called before it is defined,    None of these

Ans:C ,C


One nibble is equal to
Options: 4 bits,    8 bits,    6 bits,    16 bits

Ans:A ,A


.  Which language is used to create macros in Excel?
Options: a. Visual Basic b. C c. Visual C++ d. Java

Ans:– a,– a


What technology is used for flat panel displays?
Options: Solid state,    RBG monitor,    VLSI,    Direct view storage tube

Ans:A,A


. In Word, the default alignment for paragraphs is _____.
Options: a. left-aligned, or flush margins at the left edge and uneven edges at the right edge b. centered, or equidistant from both the left edge and the right edge c. right-aligned, or flush margins at the right edge and uneven edges at the left edge d. justified, or flush margins at both the left and right edges

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What will be the output of the program? #include<stdio.h> int get(); int main() { const int x = get(); printf("%d", x); return 0; } int get() { return 20; }
Options: Garbage value,    Error,    20,    0

Ans:C ,C


There are several careers within data processing operations, including data-entry operator.
Options: Computer operator,    Programmer,    System Analyst,    Key-punch operator

Ans:A ,A


In an absolute loading scheme, which loader function is accomplished by assembler.
Options: Reallocation,    Allocation,    Linking,    Loading

Ans:A ,A


.   Which of the following statements is not true?
Options: a. Holding down the Shift key while you draw an object creates perfect squares, circles and straight lines b. The text in a text box can’t be formatted c. The drawing toolbar contains tools for drawing shapes, lines, arrows, and more d. Ctrl+S save the document

Ans:8 – B ,8 – B


. Where can you set the shedding color for a range of cells in Excel?
Options: a. Choose required color form Patterns tab of Format Cells dialog box b. Choose required color on Fill Color tool in Formatting toolbar c. Choose required color on Fill Color tool in Drawing toolbar d. All of above

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Which of the following is an example of a standard IP access list?
Options: access-list 110 permit host 1.1.1.1,    access-list 1 deny 172.16.10.1 0.0.0.0,    access-list 1 permit 172.16.10.1 255.255.0.0,    access-list standard 1.1.1.1

Ans:B ,B


Data is gathered, describing what is happening in the
Options: input area,    transformation,    output area,    All of the above

Ans:D ,D


. A(n) _____ is an image control that displays in the background of a page on a form or report.
Options: a. legend b. icon c. logo d. watermark

Ans:9 – d ,9 – d


. Which command will be used to display only the file name and extensions in wide format?
Options: a. Dir/b b. Dir A: c. Dir/s d. Dir/w

Ans:8 – d ,8 – d


. Multiprogramming systems:
Options: a. Are easier to develop than single programming systems b. Execute each job faster c. Execute more jobs in the same time period d. Are used only one large mainframe computers.

Ans:5 – c ,5 – c


A relational database management (RDBM) package manages data in more than one file at once. How does it organize these file? As
Options: tables,    relations,    tuple,    both (a) and (b)

Ans:D ,D


The instruction register
Options: is a hardware memory device which denotes the location of the current instruction being executed.,    is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.,    contains the address of the memory location that is to be read from or stored into.,    contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".

Ans:B ,B


Instruction in computer languages consists of
Options: A) OPCODE B) OPERAND C) Both of above D) None of above

Ans:-C,-C


0. Data access time is depends on
Options: Seek time B. Rotational delay C. Operating frequency D. All of the above

Ans: – D ,


. The __________ field is used to hold a yes or no answer.
Options: a. object b. number c. text d. logical

Ans:9 – d ,9 – d


. Which command will you use to display the system date?
Options: a. Date b. Ver c. Dir d. Format

Ans:4 – a ,4 – a


The commonly used UNIX commands like date, ls, cat, etc. are stored in
Options: /dev directory,    /bin and /usr/bin directories,    /tmp directory,    /unix directory

Ans:B ,B


Most current PC CAD systems are used for producing:
Options: solids modeling,    2-D drawings,    circuit simulation,    finite element analysis

Ans:B ,B


High-level languages are not concerned with computer but with
Options: Assembler,    Machine code,    Compiler,    All of the above

Ans:A ,A


Which command is used to upgrade an IOS on a Cisco router?
Options: copy tftp run,    copy tftp start,    config net,    copy tftp flash

Ans:D ,D


Part of a program where the shared memory is accessed and which should be executed invisibly, is called
Options: semaphores,    directory,    critical section,    mutual exclusion

Ans:C ,C


. In DOS, the maximum length of filename is
Options: a. 5 b. 8 c. 11 d. 10

Ans:0 – b ,0 – b


. CHKDSK command
Options: a. Check the disk b. Dos command c. Give information about disk d. All of the above

Ans:6 – d ,6 – d


Which of the following statements is correct?
Options: Terminal section of a synchronous modem contains the scrambler,    Receiver section of a synchronous modem contains the scrambler,    Transmission section of a synchronous modem contains the scrambler,    Control section of a synchronous modem contains the scrambler

Ans:C ,C


. Where can you change automatic or manual calculation mode in Excel?
Options: a.  Double CAL indicator on status bar b.  Go to Tools >> Options >> Calculation and mark the corresponding radio button c.  Both of above d.  None of above

Ans:– b,– b


The calculation of expected outcomes in intended to help the manager
Options: identify problems,    identify solutions,    evaluate solutions,    All of the above

Ans:C ,C


Which of the following is associated with networks?
Options: Download, node,    Star topology,    Point-to-Point,    Both (a) and (b)

Ans:D ,D

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