What does protocol defines?


Options: Protocol defines what data is communicated. B. Protocol defines how data is communicated. C. Protocol defines when data is communicated. D. All of above

Ans:– D ,






More Computer Networks Related questions:


You want to create a standard access list that denies the subnet of the following host: 172.16.144.17/21. Which of the following would you start your list with?
Options: access-list 10 deny 172.16.48.0 255.255.240.0,    access-list 10 deny 172.16.144.0 0.0.7.255,    access-list 10 deny 172.16.64.0 0.0.31.255,    access-list 10 deny 172.16.136.0 0.0.15.255

Ans:B ,B


The total inductive reactance of a parallel inductor circuit is:
Options: equal to the sum of the individual inductive-reactance values,    equal to the sum of the individual inductance values,    equal to the source voltage divided by total current,    less than the inductance value of the smallest inductor

Ans:C ,C


. Can you tell what passes into and out from the computer via its ports?
Options: A) Data B) Bytes C) Graphics D) Pictures

Ans:A,A


What is the shortcut key for repeat the recent find?
Options: A. CTRL + F4 B. SHIFT + F4 C. CTRL + F5 D. SHIFT + F5

Ans:– B ,SHIFT + F4


Transmission of computerised data from one location to another is called
Options: data transfer,    data flow,    data communication,    data management

Ans:C ,C


Single spacing in MS-WORD document causes ____ point line spacing?
Options: 10 B. 12 C. 14 D. 16

Ans:– B ,


Which network is a packet switching network?
Options: Ring network,    LAN,    Star network,    EuroNET

Ans:D,(Danswer


The period of a waveform is:
Options: the time required to complete one full cycle,    the number of cycles completed in one second,    the time required for the voltage to rise from 10% to 90% of the peak amplitude,    equal to 0.707 times the peak amplitude

Ans:A ,A


A packet switching network that was sponsored by the Commission of the EEC and became operational in 1979 is
Options: LAN,    Broadband network,    Star network,    Euronet

Ans:D ,D


A process controller:
Options: can interface to digital and analog I/O,    is useful in a continuous process control application,    can solve a PID process control equation easily,    All of the above

Ans:D ,D


Which command is used to select distinct subject (SUB) from the table (BOOK)?
Options: SELECT ALL FROM BOOK,    SELECT DISTINCT SUB FROM BOOK,    SELECT SUB FROM BOOK,    All of the above

Ans:B ,B


.   The boxes that are displayed to indicate that the text, pictures or objects are placed in it is called ….
Options: a. Placeholder b. Auto text c. Text box d. Word art

Ans:6 – A ,6 – A


In which of the following is a single-entity instance of one type related to many entity instances of another type?
Options: One-to-One Relationship,    One-to-Many Relationship,    Many-to-Many Relationship,    Composite Relationship

Ans:B ,B


Conversion of hexadecimal number 1D7F16 to a decimal number is
Options: 755110,    877110,    555710,    778110

Ans:A ,A


Automation normally means:
Options: a net loss of jobs.,    a net increase in jobs.,    no change in jobs.,    All of the above

Ans:B ,B


Which file executes commands in DOS?
Options: MS-DOS.SYS,    CONFIG.SYS,    COMMAND.COM,    SYSTEM.INI

Ans:C ,C


. The Word Count command on the Tools menu displays the number of words as well as the number of _____ in the current document.
Options: a. lines b. characters c. paragraphs d. all of the above

Ans:– D,– D


Standards are provided by
Options: standards organizations,    user groups,    computer vendors,    All of the above

Ans:D ,D


What is the subnetwork address for a host with the IP address 200.10.5.68/28?
Options: 200.10.5.56,    200.10.5.32,    200.10.5.64,    200.10.5.0

Ans:C ,C


On the feasibility committee, department representatives serve as:
Options: direct users of the new system,    liaison to their departments,    ready sources of information,    All of the above

Ans:D ,D


How many operations per second can perform by a modern fast mainframe digital computer.
Options: 1000,    100,000,    10,00,000,    1,00,00,00,000

Ans:D ,D


Sometime data are gathered over a period of time and collected into a group before entering them into a computer for processing. What type of processing is it called?
Options: Interactive processing,    Sequential processing,    Batch processing,    Group processing

Ans:A ,A


. The process of starting a or restarting a computer system by loading instructions from a secondary storage device into the computer memory is called

Options: A) Duping B) Booting C) Padding D) CPS

Ans:B,B


. Which is not the function of “Edit, Clear” command?
Options: a. Delete contents b. Delete notes c. Delete cells d. Delete formats

Ans:– c,– c


Which of the following Operating systems is better for implementing a Client-Server network
Options: MS DOS B. Windows 95     C. Windows 98 D. Windows 2000

Ans:– D ,


A composite key is
Options: a. Required when a table does not have any unique fields in it b. The primary key with AutoNumber as the field type c. Made up of two or more fields to uniquely identify records d. Is a foreign key that uniquely identifies records

Ans:ndash; c,ndash; c


Indicate whether the statement LDA B is a statement, in
Options: Machine language,    Assembly language,    High level language,    All of the above

Ans:B ,B


What will be the output of the program? #include<stdio.h> int main() { typedef float f; static f *fptr; float fval = 90; fptr = &fval; printf("%f\n", *fptr); return 0; }
Options: 9,    0,    90.000000,    90

Ans:C ,C


. In Access 2007, to set a table to open as a document tab, you need to go to the ____.
Options: a. Microsoft Office button b. Navigation Pane c. Quick Access toolbar d. Database Tools command tab

Ans:5 – a ,5 – a


Which is true for the digital computer?
Options: It is less accurate than the analog computer,    It represents the decimal numbers through a string of binary digits,    It is used primarily in scientific applications,    Both (a) and (c)

Ans:B,B


Which of the following statement is correct?
Options: Buffering is the process of temporarily storing the data to allow for small variation in device speeds,    Buffering is a method to reduce cross-talks,    Buffering is a method to reduce the routing overhead,    Buffering is storage of data within the transmitting medium until the receiver is ready to receive

Ans:A ,A


The north pole of a magnet is the one:
Options: that has its molecules arranged in a random pattern,    that would be attracted to the earth's north magnetic pole,    that would be repelled by the south pole of another magnet,    that would be attracted to the earth's south magnetic pole

Ans:B ,B


A consideration evaluated by management when planning to convert to a computer system is
Options: available software,    vender maintenance,    CPU size and speed,    All of the above

Ans:D ,D


Structured Programming involves
Options: decentralisation of program activity,    functional modularisation,    localisation of errors,    All of the above

Ans:B ,B


A workstation has just been installed on an Ethernet LAN, but cannot communicate with the network. What should you check first?
Options: reinstall the network protocols,    reinstall the network interface card driver,    verify the ip configuration on the workstation,    verify the link status on the computer's network card

Ans:D ,D


. Which of the following is the largest unit?
Options: A) data B) field C) record D) database file

Ans:4-D,4-D


A modem could be attached to which port?
Options: Parallel port,    ASYNC port,    Keyboard connector,    Video port

Ans:A ,A


. This type of software is similar to an accountant’s worksheet
Options: a. Word processing b. Database c. Spreadsheets d. Graphics

Ans:– c,– c


What will be the output of the program? #include<stdio.h> int main() { int i; i = printf("How r u\n"); i = printf("%d\n", i); printf("%d\n", i); return 0; }
Options: How r u 7 2,    How r u 8 2,    How r u 1 1,    Error: cannot assign printf to variable

Ans:B ,B


Which of the following is considered to be the address after translation?
Options: Inside local,    Outside local,    Inside global,    Outside global

Ans:C ,C


. Which of the following statements does NOT hold true for the Top Values property?
Options: a. The Top Values property displays only the highest values from the query. b. The Top Values property requires the fields to have a defined sort order. c. The Top Values property finds a specified number of records. d. The Top Values property finds a specified percentage of records.

Ans:1 – a ,1 – a


If you begin typing an entry into a cell and then realize that you don’t want your entry placed into a cell, you:
Options: a. Press the Erase key b. Press Esc c. Press the Enter button d. Press the Edit Formula button

Ans:#8211; b,#8211; b


In DBMS FD stands for _______
Options: a. Facilitate data b. Functional data c. Facilitate dependency d. Functional dependency

Ans:– d ,


The most important advantage of a video disk is
Options: Compactness,    Potential capacity,    Durability,    Cost effectiveness

Ans:B,B


to edit the text within the boxes of an organization chart, you
Options: a. select the box and text, then make changes b. select the box, then make the changes c. highlight the text, them make the changes d. a and b both

Ans: – A , – A


What
Options: place your PC on a rubber mat,    wear leather soled shoes,    periodically touch a safe ground point on the PC to discharge yourself,   wear an ESD wrist strap

Ans:D,wear an ESD wrist strap


What is the recommended way to fix the registry description for the printer driver
Options: Delete the spool file,    Run regedit.exe and remove any reference to the printers,    Run sysedit.exe and remove any reference to the printers,    Remove the printer driver and re¬install it

Ans:D ,D


The Third Generation Computer was made with ________.
Options: Vacuum Tube B. Discrete Components C. IC D. Bio Chips

Ans:– C ,


An integrated circuit is
Options: A) A complicated circuit B) An integrating device C) Much costlier than a single transistor D) Fabricated on a tiny silicon chip

Ans:-D,-D


. Which of the following is NOT true about background images?
Options: a. They are similar to watermarks in Word. b. They are displayed behind the controls in a form. c. They do not print when a form or a report is printed. d. They can be inserted on a form or a report.

Ans:8 – c ,8 – c

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