What is the maximum header size of an IP packet?

Options: 32 bytes B. 64 bytes C. 30 bytes D. 60 bytes

Ans:– D ,

More Computer Networks Related questions:

What would you do when you want to update the data in an embedded worksheet range?
Options: double click the worksheet range object B. right click worksheet range object & choose format object C. edit the data in the destination document D. edit the data in the source document.

Ans:– A ,

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

Ans:– D ,

. Ctrl + Y
Options: Undo the last Action B. Repeat the last Action C. Delete the last page D. Delete the first page

Ans:– B ,

In LISP, the function (minusp (-20 4 8 8 1) returns
Options: T,    F,    NIL,    -20

Ans:A ,A

A new technology which provides the ability to create an artificial world and have people interact with it is called
Options: televirtuality,    virtual reality,    alternative reality,    3-D reality

Ans:B ,B

The equivalent of 1 micro A is:
Options: 10000A,    1000 A,    one-millionth of an ampere,    one million amperes

Ans:C ,C

Which selection below best describes the term data processing?
Options: The collection of information or data,    The distribution of information or data,    The manipulation of information or data,    The storage of information or data

Ans:C ,C

On a dot-matrix printer, regular lube maintenance should be followed, but this component should never be lubed:
Options: Platten bearings,    Carriage rails,    Printhead,    Paper advance bearings

Ans:C ,C

Can you name of the major Operating System used in computers?
Options: MS DOS,    OS/2,    UNIX,    All of the above

Ans:D ,D

. Which is the first program run on a computer when the computer boots up?
Options: a. System software b. Operating system c. System operations d. None

Ans: b, b

. An IBM system/38 represents the computer class of:
Options: A) Small-scale computer B) Medium-scale computer C) Large-scale computer D) Super computer


To create a formula, you first:
Options: a. Select the cell you want to place the formula into b. Type the equals sign (=) to tell Excel that you’re about to enter a formula c. Enter the formula using any input values and the appropriate mathematical operators that make up your formula d. Choose the new command from the file menu

Ans:#8211; a,#8211; a

. An input /output device at which data enters or leaves a computer system is
Options: A) Keyboard B) Terminal C) Printer D) Plotter


What will be the output of the program? #include<stdio.h> #define MIN(x, y) (x<y)? x : y; int main() { int x=3, y=4, z; z = MIN(x+y/2, y-1); if(z > 0) printf("%d\n", z); return 0; }
Options: 3,    4,    0,    No output

Ans:A ,A

. By default we can save the file in
Options: a. Desktop b. Recycle bin c. My document d. My computer

Ans:7 – c ,7 – c

Change the _____ to create a document in wide format
Options: a. Page Orientation b. Page margins c. Paper Style d. Paper Source

Ans:– A,– A

DNS is the abbreviation of
Options:  Dynamic Name System B.  Dynamic Network System C.  Domain Name System D.  Domain Network Service

Ans:– C ,

Which of the following is considered to be an interface between the functional applications and the data base?
Options: management information systems,    data-base management systems,    decision-support systems,    data-processing systems

Ans:B ,B

. A small part of taskbar that has icons of background running applications is
Options: a. Start button b. Quick launch c. Task bar d. System tray

Ans: d, d

What does FSF stand for?
Options: Free Software File,    File Server First,    First Serve First,    Free Software Foundation

Ans:D ,D

A device that converts mechanical pressure to electrical energy is called a:
Options: piezoelectric device,    solar cell,    photodiode,    nicad cell

Ans:A ,A

How many hosts are attached to each of the local area networks at your site?
Options: 128,    254,    256,    64

Ans:B ,B

Which one of the following statements is true for resistance in a parallel circuit?
Options: The total resistance is equal to the sum of the individual resistances in a parallel circuit.,    The total resistance of a parallel circuit is always less than the value of the smallest resistance,    The total resistance of a parallel circuit is equal to the total voltage,    The total resistance in a parallel circuit is equal to the average value of the individual resistances

Ans:B ,B

. Which of the following statements is not true?
Options: a.  You can type text directly into a PowerPoint slide but typing in text box is more convenient. b.  From Insert menu choose Picture and then From File to insert your images into slides. c.  You can display a PowerPoint presentation in Normal, Slide Sorter or Slide Show view. d.  You can show or hide task pane from View >> Toolbars

Ans:0 – A ,0 – A

In negative logic, the logic state 1 corresponds to
Options: negative voltage,    zero voltage,    more negative voltage,    lower voltage level

Ans:D ,D

The approach used in top-down analysis and design is
Options: to identify the top level functions by combining many smaller components into a single entity,    to prepare flow charts after programming has been completed,    to identify a top level function an d then create a hierarchy of lower-level modules and components.,    All of the above

Ans:C ,C

DEC advertises that it helped to create "the world's first expert system routinely used in an industrial environment," called XCON or:
Options: PDP-11,    Rl,    VAX,    MAGNOM

Ans:B ,B

. In Normal view, this tab displays the content of each slide.
Options: a. Slides b. View c. Sort d. Outline

Ans:0 – D ,0 – D

Which type of system puts the user into direct conversation with the computer through a keyboard?
Options: Real time processing,    Interactive computer,    Batch processing,    Time sharing


The problem of thrashing is affected significantly by:
Options: program structure,    program size,    primary-storage size,    all of the above

Ans:A ,A

When using a database management system, the first thing that you must do is to
Options: create a database file,    activate file editor,    load the software into your micro¬computer,    keep a floppy disk in readiness

Ans:C ,C

. You can install fonts from
Options: a. Add from control program b. Font setup files c. Font .ext files d. All of above

Ans:3 – d ,3 – d

Which of the following is not a filter command?
Options: sort,    wc,    grep,    cat

Ans:D ,D

. Which of the following format you can decide to apply or not in AutoFormat dialog box?
Options: a. Number format b. Border format c. Font format d. All of above

Ans:– d,– d

Material consisting of text and numbers is best presented as
Options: a. A table slide b. A bullet slide c. A title slide d. All of the above

Ans: – A , – A

0. What is the shortcut key to hide entire row?
Options: CTRL + H B. CTRL + R C. CTRL + 9 D. CTRL + –

Ans: – C ,

Which is a unit representing the no bits of discrete.
Options: Baud,    Byte,    Bit,    All of the above

Ans:A ,A

A ________ is a stored program that is attached to a table or a view.
Options: pseudofile,    embedded SELECT statement,    trigger,    None of the above is correct.

Ans:C ,C

When the RET instruction at the end of subroutine is executed,
Options: a . the information where the stack is iniatialized is transferred to the stack pointer b . the memory address of the RET instruction is transferred to the program counter c. two data bytes stored in the top two locations of the stack are transferred to the program counter d. two data bytes stored in the top two locations of the stack are transferred to the stack pointer


The advantage(s) inherent to using high level languages is (are)
Options: Fewer people, less management and shorter transition in learning time,    Improved debugging capability, and superior documentation,    A greater degree of machine independence,    All of the above

Ans:D ,D

. Which is not an option for customizing a datasheet window?
Options: a. change one row’s height b. hide one column c. change one column’s width d. freeze one column

Ans:– a,– a

An index register that is automatically incremented or decremented with each use is
Options: Auto index,    Asynchronous,    Assembler,    Compiler

Ans:A ,A

An optical input device that interprets pencil marks on paper media is
Options: O.M.R,    Punch card reader,    Optical scanners,    Magnetic tape


Which DOS command is used to detect, diagnose and repair logical and physical disk errors on both, uncompressed and Double space compressed drive?

Ans:C ,C

What will be the output of the program? #include<stdio.h> int main() { struct s1 { char *z; int i; struct s1 *p; }; static struct s1 a[] = {{"Nagpur", 1, a+1} , {"Chennai", 2, a+2} , {"Bangalore", 3, a} }; struct s1 *ptr = a; printf("%s,", ++(ptr->z)); printf(" %s,", a[(++ptr)->i].z); printf(" %s", a[--(ptr->p->i)].z); return 0; }
Options: Nagpur, Chennai, Bangalore,    agpur, hennai, angalore,    agpur, Chennai, angalore,    agpur, Bangalore, Bangalore

Ans:D ,D

For every relationship, how many possible types of actions are there when enforcing minimum cardinalities?
Options: Two,    Three,    Four,    Six

Ans:D ,D

. The number of records contained within a block of data on magnetic tape is defined by the
Options: A) Block definition B) Record contain clause C) Blocking factor D) Record per block


. Edit >> Delete command
Options: a.  Deletes the content of a cell b.  Deletes Formats of cell c.  Deletes the comment of cell d.  Deletes selected cells

Ans:– d,– d

What stage of the manufacturing process has been described as "the mapping of function onto form"?
Options: Design,    Distribution,    project management,    field service

Ans:A ,A

Which of the following is the largest and most powerful computer manufacture in the world
Options: IBM,    Intel,    Novel,    Microsoft

Ans:A ,A