What is the usable size of Network bits in Class B of IP address?


Options: 04 B. 08 C. 14 D. 16

Ans:– C ,


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More Computer Networks Related questions:


What will be the output of the program ? #include<stdio.h> int main() { union var { int a, b; }; union var v; v.a=10; v.b=20; printf("%d\n", v.a); return 0; }
Options: 10,    20,    30,    0

Ans:B ,B


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


What can you use to ensure power is not interrupted, resulting in corrupted data?
Options: UPS,    Propergrounding,    Surge protector,    Sag protector

Ans:A ,A


In slide layout panel how many layouts are available for text layout by default?
Options: a. 4 b. 7 c. 12 d. None of above

Ans: – A , – A


What file specifies the order in which to use specified name services?
Options: /etc/services,    /etc/nsorder,    /etc/nsswitch.conf,    /etc/hosts

Ans:C ,C


Memory access in RISC architecture is limited to instructions
Options: a. CALL and RET b. PUSH and POP c. STA and LDA d. MOV and JMP

Ans:10.c,10.c


A square symbols
Options: defines a source or destination of system data,    identifies data flow,    represents a process that transforms incoming data flow(s) into outgoing data flows,    is a data store-data at rest, or a temporary repository of data

Ans:A ,A


. To instruct Word to stop bulleting paragraphs, do any of the following except _____.
Options: a. press the enter key twice b. click the Undo button on the Standard toolbar c. press the backspace key to remove the bullet d. click the Bullets button on the Formatting toolbar

Ans:– B,– B


COM1 is typically represented by which of the following?
Options: 15 pin port,    9 pin male port,    9 pin female port,    25 pin male port

Ans:B ,B


Missing slot covers on a computer can cause?
Options: over heat,    power surges,    EMI.,    incomplete path for ESD

Ans:A ,A


In MS Word, Ctrl+S is for …..
Options: Scenarios B. Size C. Save D. Spelling Check

Ans:– C ,


The first computer made available for commercial use was
Options: Mark-I,    ENIAC,    EDSAC,    UNIVAC

Ans:D ,D


Which of the following command lists the last 10 lines of a file?
Options: grep,    tail,    head,    cat

Ans:B ,B


. What is an expression that tells how the numbers in a determined set of cells are to be calculated?
Options: a. Formula b. Field c. Data d. Query

Ans:A,– a


You are connecting your access point and it is set to root. What does Extended Service Set ID mean?
Options: That you have more than one access point and they are in the same SSID connected by a distribution system.,    That you have more than one access point and they are in separate SSIDs connected by a distribution system.,    That you have multiple access points, but they are placed physically in different buildings.,    That you have multiple access points, but one is a repeater access point.

Ans:A ,A


Point out the error in the following program. #include<stdio.h> #include<stdarg.h> fun(...); int main() { fun(3, 7, -11.2, 0.66); return 0; } fun(...) { va_list ptr; int num; va_start(ptr, n); num = va_arg(ptr, int); printf("%d", num); }
Options: Error: fun() needs return type,    Error: ptr Lvalue required,    Error: Invalid declaration of fun(...),    No error

Ans:C ,C


Sophisticated report generators can
Options: print row-oriented reports,    perform arithmetic operations,    selectively retrieve and print portions of a list,    All of the above

Ans:D ,D


Who coordinates the sequencing of events within the central processor of a computer?
Options: Logic unit,    Arithmetic unit,    Register,    Control unit

Ans:D,D


Which of the following is correct regarding Aggregate functions?
Options: it takes a list of values and return a single values as result B. it takes a list of values and return a list of values as result C. it takes a single value and returns a list of values as result D. it takes a single value and returns a single value as result

Ans:– A ,


Which of the following tasks is not suited for sequential processing by a computer?
Options: Preparing of mailing labels,    Processing payroll cheques,    Accounting for credit card purchases,    Inventory control

Ans:D ,D


The term TSR is an abbreviation for:
Options: Terminate Stay Ready,    Testing System Read,    Terminal Still Ready,    Terminate Stay Resident

Ans:D ,D


Which of the following directories contain all the Alias created by a user, including his login directory?
Options: /tmp,    /etc,    /usr,    /dev

Ans:C ,C


What is the name of the printer which prints all the A's in a line before all the B's?
Options: Thermal printer,    Electrostatic printer,    Line printer,    Ink-jet printer

Ans:C,C


Which of the following describe the DHCP Discover message? It uses FF:FF:FF:FF:FF:FF as a layer 2 broadcast. It uses UDP as the Transport layer protocol. It uses TCP as the Transport layer protocol. It does not use a layer 2 destination address.
Options: 1 only,    1 and 2,    3 and 4,    4 only

Ans:B ,B


Which of the following statements is the most accurate?
Options: The degree to which information needs to be summarized increases as one moves up through the management levels,    Low-level managers made unstructured decisions,    Upper managers make unstructured decisions,    Low-level managers need general information about operating activities.

Ans:A ,A


What is the use of Ping command?
Options: To test a device on the network is reachable B. To test a hard disk fault C. To test a bug in a Application D. To test a Pinter Quality

Ans:– A ,


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

Ans:B ,B


. To display system boot menu which of the following command you must press?
Options: a. F4 b. F7 c. F8 d. F5

Ans:7 – c ,7 – c


Linked lists are best suited
Options: A)for relatively permanent collections of data b.for the size of the structure and the data in the structure are constantly changing c.for both of above situation d.for none of above situation

Ans:B, For the size of the structure and the data in the structure are constantly changing


. Format a:/s will do
Options: a. Formats and then transfers system file b. Formats with verification c. Formats and scans the disk d. None of above

Ans:8 – a ,8 – a


Timing using a TM990 micro¬computer:
Options: require an external timer added by the user,    is available on the standard CPU board,    can be handled in software,    both (b) and (c)

Ans:D ,D


A LISP environment consists of a language, a programming environ¬ment, and:
Options: random-access storage,    a processor,    a large address,    a set of functions

Ans:D ,D


. How to specify cell range from A9 to A99 in Excel?
Options: a. (A9, A99) b. (A9 to A99) c. (A9 : A99) d. (A9 – A99)

Ans:– c,– c


. “Ctrl + Right Arrow” is used to
Options: Moves the cursor one word right B. Moves the cursor end of the line C. Moves the cursor end of the document D. Moves the cursor one Paragraph down

Ans:– A ,


In the language of the computer profession, one thousand position of main storage is represented with the letter
Options: K,    L,    M,    C

Ans:A ,A


. A normal CD-ROM usually can store up to __________data?
Options: A) 680 KB B) 680 Bytes C) 680 MB D) 680 GB

Ans:C,C


The area of computer science which is concerned with the display of pictures is
Options: Networks,    Graphics,    Designing,    Architecture

Ans:B ,B


Elapsed time, between initiating a query and receiving a response is called
Options: response time,    waiting time,    processing time,    Turnaround time

Ans:D ,D


Which enables you to move directly to specific location in a document?
Options: A. Subdocuments B. Bookmarks C. Cross-references D. Outlines

Ans:– B ,Bookmarks


Which of the following is the largest manufacturer of Hard Disk Drives?
Options:  IBM B.  Seagate C.  Microsoft D.  3M

Ans:– B ,


. Paper spreadsheets can have all the same advantages as an electronic spreadsheet except which of the following?
Options: a. Rows and columns b. Headings c. Speed d. None

Ans:– c,– c


The expression builder is an access tool that controls an expression___ for entering an expression
Options: a. Table b. Box c. Cell d. Palette

Ans:ndash; b,ndash; b


. The subject of cybernetics deals with the science of
Options: A) Genetics B) Control and communication C) Molecular biology D) Biochemistry

Ans:B,B


In LISP, the atom that stands for "False" is
Options: t,    nil,    y,    time

Ans:B ,B


10. While working with MS-DOS which command is used to change the extension of all filenames ending with .txt to .doc?
Options: a. Ren *.doc *.txt b. Ren *.txt *.doc c. Ren file.doc file.txt d. Ren a: *.doc *.txt

Ans:Correct Answer: b,Correct Answer: b


In which of the following areas may ICAI programs prove to be useful?
Options: educational institutions,    corporations,    department of Defence,    All of the above

Ans:D ,D


. Which of the following is the system tool?
Options: a. Backup b. Disk defragmenter c. Both of above d. File

Ans:6 – c ,6 – c


Which of the following is the fastest?
Options: CPU,    magnetic tapes and disks,    video terminal,    sensors, mechanical controllers

Ans:A ,A


MS-DOS developed in
Options: a. 1991 b. 1984 c. 1971 d. 1961

Ans:Correct Answer: b ,Correct Answer: b


Administrate supervision of database activities is the responsibility of the
Options: Database administrator,    DP Manager,    DB Manager,    DP administration

Ans:A ,A

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