What is the size of Source and Destination IP address in IP header?


Options: 4 bits B. 8 bits C. 16 bits D. 32 bits

Ans:– D ,






More Computer Networks Related questions:


. When sharing data in Office, the ________ document is the document in which the data was first entered.
Options: a. source b. destination c. original d. primary

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

Ans:A ,A


In pen plotters, "resolution" refers to the shortest possible line, but in electrostatic plotters it refers to:
Options: the number of dots per inch,    the speed per inch,    dual-axis tracking,    how accurately the plotter returns to a specific point

Ans:A ,A


Which elements of worksheet can be protected from accidental modification
Options: a. Contents b. Objects c. Scenarios d. All of above

Ans:#8211; d,#8211; d


  Slide sorter of PowerPoint is available on _____ menu.
Options: Insert B. File C. View D. Edit

Ans:– C ,


Direct Numerical Control means:
Options: using several computers to control one large machine,    using one computer to control several machines,    complete elimination of a need for a human operator.,    eliminating computers from the manufacturing process

Ans:B ,B


Point out the error in the following program. #include<stdio.h> #include<stdlib.h> int main() { char *ptr; *ptr = (char)malloc(30); strcpy(ptr, "RAM"); printf("%s", ptr); free(ptr); return 0; }
Options: Error: in strcpy() statement.,    Error: in *ptr = (char)malloc(30);,    Error: in free(ptr);,    No error

Ans:B ,B


What is the shortcut key for Spelling Check in document?
Options: F7 B. Shift + F7 C. Ctrl + F7 D. Alt + F7

Ans:– A ,


Right clicking something in Excel:
Options: a. Deletes the object b. Nothing the right mouse button is there for left handed people c. Opens a shortcut menu listing everything you can do to the object d. Selects the object

Ans:#8211; c,#8211; c


Data Manipulation Language enables users to
Options: Retrieval of information stored in database B. Insertion of new information into the database C. Deletion of information from the database D. All of the above

Ans:– D ,


You cannot link excel worksheet data to a word document
Options: a. With the right drag method b. With a hyperlink c. With the copy and paste special commands d. With the copy and paste buttons on the standard toolbar.

Ans:#8211; d,#8211; d


The first step of the implementation phase is
Options: select the computer,    announce the implementation project,    implementation planning,    prepare physical facilities

Ans:C ,C


The HAVING clause does which of the following?
Options: Acts like a WHERE clause but is used for groups rather than rows.,    Acts like a WHERE clause but is used for rows rather than columns.,    Acts like a WHERE clause but is used for columns rather than groups.,    Acts EXACTLY like a WHERE clause.

Ans:A ,A


. After right click the field selector button, which do you choose to delete a field in design view?
Options: a. Delete field b. delete rows c. remove field d. remove rows

Ans:– b,– b


Which of the following statements best describes the batch method of input?
Options: Data is processed as soon as it is input,    Data is input at the time it is collected,    Data is collected in the form of source documents, placed into groups, and then input to the computer,    Source documents aren't used

Ans:C ,C


Which printer uses a combination of laser-beam & electro photographic techniques.
Options: Laser printers,    Dot-Matrix,    Line printer,    Daisy wheel

Ans:A ,A


A computer with CPU speed around 100 million instructions per second & with the word length of around 64 bits is known as
Options: Super computer,    Mini computer,    Micro computer,    Micro computer

Ans:A ,A


. Boot startup process
Options: a. Loads system files to RAM b. Checks the computer connections c. Clean up the computer memory d. Prepare the computer ready

Ans:5 – a ,5 – a


. 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


21. Which command is used to undelete delete a bunch of files with extension doc that you have just deleted
Options: a. Undelete b. Undelete *.doc c. Undelete/all d. All of the above

Ans:Correct Answer: b ,Correct Answer: b


The geostationary satellite used for communication systems
Options: rotates with the earth,    remains stationary relative to the earth,    is positioned over equator,    All of the above

Ans:D ,D


. The autofill feature
Options: a. Extends a sequential series of data b. Automatically adds a range of cell values c. Applies a boarder around selected cells d. None of above

Ans:– a,– a


What command is used to copy a file?
Options: tar,    cpio,    cp,    copy

Ans:C ,C


Control of computer system or subsystem operation by an operator who may intervene at arbitrary times is
Options: Manual control,    Mapping,    Shift register,    ALU

Ans:A ,A


Changes to the data base are made only with
Options: proper departmental security codes,    proper individual passwords,    both (a) and (b),    neither (a) nor (b)

Ans:C ,C


Which of the following is true of a network structure?
Options: a. It is a physical representation of the data b. It allows a many-to-many relationship c. It is conceptually simple d. It will be dominant data base of the future

Ans:. b ,. b


What command is used to print a file?
Options: lp,    pg,    prn,    print

Ans:A ,A


. You can tell when an object is active because
Options: a. The object is highlighted b. Eight small sizing handles appear surrounding the text c. A box frame appears surrounding the text d. b and c

Ans:8 – A ,8 – A


The _____ provides a path between the CPU and peripheral devices, which are connected via interface cards.
Options: computer,    expansion bus,    memory,    CPU

Ans:B ,B


Which of the following is loaded for CD-ROM support?
Options: VLM.EXE,    CDDEX.EXE,    DOSKEY.EXE,    MSCDEX.EXE

Ans:D ,D


Which is considered a direct entry input device?
Options: Optical scanner,    Mouse,    Light pen,    Digitizer

Ans:E ,E


The central processor of a modern digital computer consists of
Options: control unit,    primary memory,    control unit and primary memory,    All of the above

Ans:C ,C


A sequence of instructions, in a computer language, to get the desired result, is known as
Options: Algorithm,    Decision Table,    Program,    All of the above

Ans:C ,C


Theories are evaluated with
Options: data,    information,    principles,    propositions

Ans:D ,D


. Cascade delete option
Options: a. Is used to delete all the records of all tables in a database b. Will repeat the recent delete operation to all the records of current table c. Is available in edit relatiionship dialog box which makes sure that all the related records will be deleted automatically whn the record from parent table is deleted d. None of above

Ans:2 – c ,2 – c


The original LISP machines produced by both LMI and Symbolics were based on research performed at:
Options: CMU,    MIT,    Stanford University,    RAMD

Ans:B ,B


Which of the following is helpful in evaluating applications software what will best suit your needs?
Options: recommendations by other users,    computer magazines,    objective software reviews,    all of the above

Ans:D ,D


33. The spike
Options: a. Allows you to combine text from several documents and tehn insert all the text into one document at onwe time b. Allows you to edit auto text entries c. Allows you to format uto text entries d. All of above

Ans:– A ,– A


Problem identification most often comes from information produced from
Options: data describing what will happen in the future,    data describing what has happened in the past,    data describing what is happening now,    both (a) and (b)

Ans:D ,D


An anticipated result from multiprogramming operations is:
Options: reduced computer idle time,    the handling of more jobs,    better scheduling of work,    All of the above

Ans:D ,D


    If you don’t know the current time, which command will you use to display
Options: a.    Copy b.    Ver c.    Time d.    Format

Ans:.a,Correct Answer: c. Time


Stepping motors:
Options: can run at varying speeds,    can be built to index different amounts by changing the pole configuration,    can run both clockwise and counterclockwise,    do not require commutators

Ans:E ,E


Declare the following statement? "A pointer to a function which receives nothing and returns nothing".
Options: void *(ptr)*int;,    void *(*ptr)(),    void *(*ptr)(*),    void (*ptr)()

Ans:D ,D


The central processor of a modern digital computer consists of
Options: control unit,    primary memory,    control unit and primary memory,    All of the above

Ans:C,C


You suspect that your automatic modem dialer is not working correctly. Which of the following commands will manually dial the number 123-4567?
Options: AT1234567,    ATDT1234567,    AT1234567DL,    ATM 1234567

Ans:B ,B


An IBM System/38 represents the computer class of:
Options: small-scale computer,    medium-scale computer,    large-scale computer,    super computer

Ans:A ,A


. Easily reloctable language is
Options: A) Machine language B) Assembly language C) High level language D) Medium level language

Ans:B,B


Exclusive-OR (XOR) logic gates can be constructed from what other logic gates?
Options: OR gates only,    AND gates and NOT gates,    AND gates, OR gates, and NOT gates,    OR gates and NOT gates

Ans:C ,C


What does a VLAN do?
Options: Acts as the fastest port to all servers.,    Provides multiple collision domains on one switch port.,    Breaks up broadcast domains in a layer 2 switch internetwork.,    Provides multiple broadcast domains within a single collision domain.

Ans:C ,C


The Paste Special command lets you copy and paste:
Options: a. Multiply the selection by a copied value b. Cell comments c. Formatting options d. The resulting values of a formula instead of the actual formula

Ans:#8211; d,#8211; d

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