What is the maximum header size of an IP packet?


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

Ans:– D ,


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More Computer Networks Related questions:


Which of the following statements are correct about 6 used in the program? int num[6]; num[6]=21;
Options: In the first statement 6 specifies a particular element, whereas in the second statement it specifies a type.,    In the first statement 6 specifies a array size, whereas in the second statement it specifies a particular element of array.,    In the first statement 6 specifies a particular element, whereas in the second statement it specifies a array size.,    In both the statement 6 specifies array size.

Ans:B ,B


99. How can you access the font size tool on formatting toolbar?
Options: a. Ctrl + S b. Ctrl + Shift + S c. Ctrl + P d. Ctrl + Shift + P

Ans:– D ,– D


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


Which one of the following statements is true for the voltages in a series RL circuit?
Options: The total voltages is equal to the sum of the voltages across the resistance and inductance,    The voltage always has the same amplitude and phase for every part of the circuit,    The total voltage is less than the sum of the voltages across the resistance and inductance,    The total voltage lags the total current by less than 90

Ans:C ,C


Ctrl + E
Options: Exit Application B. Select All C. Clear All D. Align Center

Ans:– D ,


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

Ans:C ,C


. You can open the scenario Manager dialog box by choosing scenarios from the ….. menu.
Options: a. View b. Insert c. Format d. Tools

Ans:– d,– d


. In Windows,start button is used to
Options: a. Run applications b. Device setting c. Turn off the system d. All of above

Ans: d, d


. How can you show or hide the gridlines in Excel Worksheet?
Options: a.  Go to Tools >> Options >> View tab and mark or remove the check box named Gridline b.  Click Gridline tool on Forms toolbar c.  Both of above d.  None of above

Ans:– c,– c


. Which of the following memories has the shortest access times?

Options: A) Cache memory B) Magnetic bubble memory C) Magnetic core memory D) RAM

Ans:A,A


Holding down the Shift key and rotate the image will rotate in increments of
Options: 10 degrees B. 15 degrees C. 20 degrees D. 25 degrees

Ans: – B ,


When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a:
Options: parallel RL circuit,    parallel RC circuit,    parallel RLC circuit operated above its resonant frequency,    purely resistive circuit

Ans:B ,B


In general, American buyers will purchase goods:
Options: that offer the best quality for the least money.,    that are made in America, even at higher costs.,    without regard to country of manufacturer.,    (a) and (c)

Ans:D ,D


. Which of the following is suitable after you install new drivers?
Options: a. Shut Down b. Restart c. Sleep d. Hibernate

Ans: b, b


What will be the output of the program? #include<stdio.h> typedef void v; typedef int i; int main() { v fun(i, i); fun(2, 3); return 0; } v fun(i a, i b) { i s=2; float i; printf("%d,", sizeof(i)); printf(" %d", a*b*s); }
Options: 2, 8,    4, 8,    2, 4,    4, 12

Ans:D ,D


After copying the content how many times can you paste?
Options: A. 1 B. 16 C. 32 D. Many

Ans:D,


.   Which of the following will not advance the slides in a slide show view?
Options: a. The esc key b. The space bar c. The enter key d. The mouse button

Ans:1 – A ,1 – A


Which computer has been designed to be as compact as possible?
Options: Mini,    Super computer,    Micro computer,    Mainframe

Ans:C ,C


Impact printers
Options: strike a ribbon against the paper to produce character images,    include ink-jet and thermal devices,    are more expensive than Laser printers,    use optical technology

Ans:A,A


'ITS' stands for
Options: Intelligent Teaching Systems,    International Tutoring Systems,    Intelligent Tutoring Systems,    All of the above

Ans:C ,C


Each answer below shows example data from a table. Which answer is an example of the missing values problem?
Options: Three columns have the values 534-2435, 534-7867, and 546-2356 in the same row.,    Three rows have the values Brown Small Chair, Small Chair Brown, and Small Brown Chair in the same column.,    Three rows have the values Brown, NULL, and Blue in the same column.,    One row has the value "He is interested in a Silver Porsche from the years 1978-1988" in a column.

Ans:C ,C


ON UPDATE CASCADE ensures which of the following?
Options: Normalization,    Data Integrity,    Materialized Views,    All of the above.

Ans:B ,B


. A program in execution is called
Options: a. A Paging b. A Process c. A virtual memory d. A Demand Page

Ans:6 – b ,6 – b


Every table in relational database contain a field or combination of fields that can uniquely identify each records, it is called
Options: a. Foreign key b. Native key c. Composite key d. Primary key

Ans:ndash; d,ndash; d


Numerical control:
Options: is a method for controlling the operation of a machine by means of a set of instructions,    applies only to milling machines,    is a method for producing an exact number of parts per hour,    All of the above

Ans:A ,A


. In MS-Word, for what does ruler help?
Options: a. to set tabs b. to set indents c. to change page margins d. All of the above

Ans: –  D , –  D


The person contributing the idea of the stored program was
Options: John von Neumann,    Charles Babbage,    Howard Aiken,    Basic Pascal

Ans:A ,A


An Information system that responds immediately to the needs of the physical system is called a(n)
Options: inline system,    on line system,    offline system,    realtime system

Ans:D ,D


When did arch rivals IBM and Apple Computers Inc. decide to join hands?
Options: 1978,    1984,    1990,    1991

Ans:D ,D


The disadvantages of "Compile and Go" loading scheme is (are):
Options: a portion of memory is wasted because the core occupied by the assembler is unavailable to the object program.,    it is necessary to retranslate the user's program deck every time it is run.,    it is very difficult to handle multiple segments, especially if the source programs are in different languages, and to produce orderly modular programs.,    all of the above

Ans:D ,D


.   Which of the following is not a way to cut text ?
Options: a. Select the text and press the delete button b. Select the text and select Edit, Cut from the menu c. Select the text and click the Cut button on the toolbar d. Select the text and press Ctrl + X

Ans:2 – A ,2 – A


The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is:
Options: 000,    755,    744,    555

Ans:B ,B


A goal of data mining includes which of the following?
Options: To explain some observed event or condition,    To confirm that data exists,    To analyze data for expected relationships,    To create a new data warehouse

Ans:A ,A


. A relationship is created between how many tables?
Options: a. One b. Two c. Three d. Any number

Ans:0 – b ,0 – b


An IRQ allow interface cards to:
Options: Interrupt the CPU to request service,    Pass data to the CPU to be processed,    Pass data from one card to another,    Pass data to the computers memory

Ans:A ,A


The light pen was developed in
Options: 1942,    1976,    1950,    1992

Ans:C ,C


Output segments of AI programming contain(s)
Options: printed language and synthesized speech,    Manipulation of physical object,    Locomotion,    All of the above

Ans:D ,D


5. …..system is built directly on the hardware
Options: a. Environment b. System c. Operating d. None

Ans:Correct Answer: c,Correct Answer: c


What kind of battery is most likely included in a cordless electric knife?
Options: Zinc-carbon battery,    Mercury-cell battery,    Nicad battery,    Lead-acid battery

Ans:B ,B


. Which function extracts the name of the month from a date/time value?
Options: a. Month b. MonthName c. MonthLabel d. MonthValue

Ans:1 – b ,1 – b


The Memory Address 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:C ,C


Business Intelligence (BI) reporting analyses can be performed using ________ .
Options: standard SQL only,    extensions to SQL only,    OLAP only,    both standard SQL and extensions to SQL

Ans:A ,A


A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit?
Options: 1000 V and a series resistance of 10 k Ohm,    100 V and a parallel resistance of 10 k Ohm,    100 V and a series resistance of 10 k Ohm,    1000 V and a parallel resistance of 10 kOhm

Ans:C ,C


Data items grouped together for storage purposes are called a
Options: record,    title,    list,    string

Ans:A ,A


. which function will calculate the number of workdays between 6/9/2004 and 8/12/2004?
Options: a. Workday b. Date c. Networkdays d. All of the above

Ans:– d,– d


.   After choosing a predefine template, ….. option has to be chosen to change a background color
Options: a. Design template b. Color scheme c. Animation scheme d. Color effects

Ans:0 – B ,0 – B


Which of the following TCP/IP protocol is used for transferring electronic mail messages from one machine to another?
Options: FTP,    SNMP,    SMTP,    RPC

Ans:C ,C


Interrupts which are initiated by an instruction are
Options: a . internal b . external c . hardware d . software

Ans:9.d,9.d


Satellite-Switched Time-Division Multiple Access (SS/TDMA) is
Options: the method of determining which device has access to the transmission medium at any time.,    a medium access control technique for multiple access transmission media,    a form of TDMA in which circuit switching is used to dynamically change the channel assignments,    All of the above

Ans:C ,C


. The modern keyboard typically has __________ Function keys.
Options: a. 10 b. 12 c. 14 d. 16

Ans:8 – b ,8 – b

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