Why IP Protocol is considered as unreliable?


Options: A packet may be lost B. Packets may arrive out of order C. Duplicate packets may be generated D. All of the above

Ans:– D ,






More Computer Networks Related questions:


. Which of the following separates primary file and extension is
Options: a. Dot b. Period c. Point d. All of the above

Ans:9 – d ,9 – d


. If you need a text to show vertically in a cell. How will you achieve this?
Options: a. Choose Vertical on Text alignment in Format Cells dialog box b. Choose 90 Degrees in Orientation of Format Cells dialog box c. Choose Distributed from the Vertical drop down list of Format Cells dialog box d. Choose Center Across Selection from Horizontal combo box in Format Cells dialog box

Ans:– b,– b


. Which menu provides you options like Animation Scheme, custom Animation, Slide Transition?
Options: a.  Insert Menu b.  Format Menu c.  Tools Menu d.  Slide Show Menu

Ans:8 – D ,8 – D


Which of the following command is used to access an SMB share on a Linux system?
Options: NFS,    SMD,    smbclient,    smbserver

Ans:C ,C


. A .... is a named location on a disk where files are stored
Options: a. Folder b. Pod c. Version d. None of the above

Ans: a, a


The autofill feature
Options: a. extends a sequential series of data b. automatically adds range of cell values c. applies a boarder around the selected cells d. none of the above

Ans:#8211; d,#8211; d


When a disk stack is serviced by a comb-like access mechanism, there is one read/write head for each
Options: disk,    disk surface,    track,    cylinder

Ans:B,B


48. Which option is not available in Insert Table Autofit behavior?
Options: a. Fixed Column Width b. AutoFit to Contents c. Autofit to Window d. Autofit to Column

Ans:– D ,– D


In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity.
Options: parent,    child,    instance,    subtype

Ans:B ,B


Before moving a subdocument to another location within a master document, you must switch to _________
Options: Normal View B. Outline View C. Web Layout View D. Print Layout View

Ans:– B ,


Econometric models include techniques from
Options: economics,    statistics,    mathematics,    All of the above

Ans:D ,D


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


Laser Jet printer speeds are measured in pages per minute (ppm) what do we use to measure dot-matrix printers?
Options: lines per inch,    lines per sheet,    characters per inch,    characters per second

Ans:D ,D


The control unit of a microprocessor
Options: stores data in the memory,    accepts input data from a keyboard,    Performs arithmetic / logic / functions,    none of the above

Ans:D,None of the above


An extent is which of the following?
Options: A keyword that indicates that the subclass inherits from a superclass,    A keyword that indicates that the superclass inherits from a subclass,    The set of all instances of a class within a database,    Only one instance of a class within a database

Ans:C ,C


31. The _____ in the Resume Wizard dialog box indicates the wizard is ready to create the document.
Options: a. Start panel b. Address panel c. Add/Sort Heading panel d. Finish panel

Ans:– D ,– D


Which of the following command is used to count just the number of lines contained in a file?
Options: wc -l,    wc -c,    wc -w,    wc -r

Ans:A ,A


In which year was UK's premier computing event called "The Which Computer" started?
Options: 1980,    1985,    1986,    1987

Ans:A,A


You can detect spelling and grammar errors by
Options: a. Press Shift + F7 b. Press Ctrl + F7 c. Press Alt+ F7 d. Press F7

Ans:– D,– D


hich of the following is not the Section Break Option?
Options: Next Page B. Previous Page C. Odd Page D. Even Page

Ans:– B ,


Before sending data, a modem sends a request to send signal, or RTS.
Options: True,    False,    ,    

Ans:A ,A


Queries to a database
Options: are written in English,    can use aggregate functions like SUM and COUNT,    both (a) and (b),    All of the above

Ans:B ,B


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


Data collection terminals are used to report the activity of
Options: material flow,    machine use,    manpower use,    All of the above

Ans:D ,D


. 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


. In table design view, which key can be used to switch between the field names and properties panels?
Options: a. F3 b. F4 c. F5 d. F6

Ans:8 – d ,8 – d


On which toolbar can you find Format Painter tool?
Options:  A) Standard toolbar, B) Formatting toolbar, C) Drawing Toolbar, D) Picture Toolbar,

Ans:-A,-A


The systematic access of small computers in a distributed data processing system is referred to as:
Options: dialed service,    multiplexing,    polling,    conversational mode

Ans:C ,C


Which of the following data structure is linear data structure?
Options: a. Trees b. Graphs c. Arrays d. None of above  

Ans:c,c


In applying the systems approach, the manager proceeds from the
Options: super system to the system to the subsystem level,    system to the sulpersystem to the subsystem level,    subsystem to the system to the supersystem level,    supersystem to the supersystem to the system level.

Ans:A ,A


What shell's wild-card is used to match any number of characters including none?
Options: *,    ?,    [!ijk],    [ijk]

Ans:A ,A


Which one of the following statements regarding ac circuits is correct?
Options: Current and voltages are in phase through a resistor,    Current leads the voltage through a resistor,    Current lags the voltage through a resistor,    All of the above

Ans:A ,A


. A(n) _______________ query locates data from one or more tables.
Options: a. select b. summary c. parameter d. action

Ans:0 – a ,0 – a


The Turnaround is
Options: the elapsed time between the receipt of the input and the availability of the output,    a group of related fields,    the key information of programming,    a program statement that violates one or more rules of the language in which it is written

Ans:A ,A


Which of the following statement is valid?
Options: A) Lady Augusta is the first programmer B) Ada is the daughter of Lord Byron, a famous English poet C) ADA is a programming language developed by US Defense D) All of above

Ans:-D,-D


. A Smart Tag can be set using the _____ tab in the property sheet.
Options: a. Format b. Tag c. View d. Data

Ans:9 – d ,9 – d


Methods used to organise and physically store disk data are cylinder and
Options: Sector,    Surface,    Track,    Hib

Ans:A ,A


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

Ans:B ,B


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


Visual clues that are helpful in computer vision include:
Options: colour and motion,    depth and texture,    height and weight,    a and b above

Ans:D ,D


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 software package to implement a data base is
Options: System analysis,    DBMS,    Database,    DASD

Ans:B ,B


What is one important thing transistors do?
Options: Emit light,    Amplify weak signals,    Regulate voltage,    Rectify line voltage

Ans:B ,B


Decision support programs are designed to help managers make:
Options: budget projections,    visual presentations,    business decisions,    vacation schedules

Ans:C ,C


Assume integer is 2 bytes wide. How many bytes will be allocated for the following code? #include<stdio.h> #include<stdlib.h> #define MAXROW 3 #define MAXCOL 4 int main() { int (*p)[MAXCOL]; p = (int (*) [MAXCOL])malloc(MAXROW *sizeof(*p)); return 0; }
Options: 56 bytes,    128 bytes,    24 bytes,    12 bytes

Ans:C ,C


. What are inserted as cross-reference in Word?
Options: a. Placeholders b. Bookmarks c. Objects d. Word fields

Ans:–  D,–  D


An attribute that names or identifies entity instances is a(n):
Options: entity.,    attribute.,    identifier.,    relationship.

Ans:C ,C


Which command is used to display the end of the file?
Options: head - r,    tail,    eof,    bof

Ans:B ,B


What is represented by the small, black square in the lower-right corner of an active cell or range?
Options: Copy handle B. Fill handle C. Insert handle D. Border

Ans:– B ,


Computer instructions written with the use of English words instead of binary machine code is called
Options: Mnemonics,    Symbolic code,    Gray code,    Op-code

Ans:B ,B

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