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 ,


Description: mcqquestions

Asked in: KCC-2018   |   JOA 556-2018  |  HRTC JTO-2017

Hits Today: 9203 | Level: Moderate


******************************************************

Want to see where do you stand among other aspirants in "Computer" category?

Click Here to take quick 10 mins MCQ test to find out.




Got some suggestion about this question or to make this site better? Please leave your comments below.




More Computer Networks Related questions:


UART is a type of serial chip. Its letters stand for:
Options: unidirectional access regarding transmission,    universal asynchronous receiver/ transmitter,    upper advanced real transfer,    unable all restore t-bits

Ans:B ,B


12. Which among the following are the best tools for fixing errors on disks?
Options: a. Fdisk b. Scandisk c. Chkdsk d. Fixdsk

Ans:Correct Answer: b ,Correct Answer: b


A register in which of the following that holds the current instruction while it is being executed is called instruction register.
Options: ALU,    CPU,    Memory,    Address

Ans:B ,B


hat is the shortcut key to display field codes?
Options: Alt + F9 B. Ctrl + F9 C. Shift + F9 D. Space + F9

Ans:– A ,


Which of the following is a set of general purpose internal registers?
Options: stack,    scratch pad,    accumulator,    status register

Ans:B ,B


Which method is frequently used, especially in the early stages of design?
Options: The iterative design method,    The direct method,    The design selection method,    All of the above

Ans:A ,A


Which of the following programs give instructions about operations inside the computer
Options: System software,    Application,    Utility id) Compiler,    None of the above

Ans:A ,A


Videotex is a combination of
Options: television,    communication,    computer technology,    All of the above

Ans:D ,D


Which option will be used with ps command to slow the entire command line of the process being run?
Options: -4,    -f,    -1,    -2

Ans:B ,B


While working with MS-DOS, which command is used to specify the colour display, 40 columns and color?
Options: MODE COLOUR,    MODE/C,    MODE CO40,    MODE CHANGE

Ans:C ,C


Which of the following term is used in connection with the organisation of files in ALGOL 68
Options: Blow,    Machine,    Biquinary,    Book

Ans:D ,D


A traditional data administrator performs which of the following roles?
Options: Tune database performance,    Establish backup and recovery procedures,    Resolve data ownership issues,    Protect the security of the database.

Ans:C ,C


What will be the output of the program in 16 bit platform (Turbo C under DOS) ? #include<stdio.h> int main() { struct value { int bit1:1; int bit3:4; int bit4:4; }bit; printf("%d\n", sizeof(bit)); return 0; }
Options: 1,    2,    4,    9

Ans:B ,B


What is the difference between ‘Open’ and ‘Open Exclusively’?
Options: a. Open statement opens access database files and Open Exclusively opens database files of other program like Oracle b. Open Exclusive locks whole database so that no one can access it whereas Open locks only the record that is being accessed c. Both Open and Open Exclusively are same d. Open Exclusive command does not exist in MS Access

Ans:ndash; b,ndash; b


Which one of the following is a direct statement of Ohm's law?
Options: The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it,    The total resistance of a parallel circuit is less than the value of the smallest resistance,    The algebraic sum of voltages in a loop is equal to zero,    The algebraic sum of currents entering and leaving a point is equal to zero

Ans:A ,A


A menu-driven operating system is one which allows you to pick up from the menu of choices it displays on the screen. What is the name given to the images which are used in such image oriented menus?
Options: Icon,    Figure,    Symbol,    option

Ans:A ,A


Database redesign is not terribly difficult if the:
Options: database is structured.,    database is well-designed.,    database has no data.,    database is relatively small.

Ans:C ,C


Error control is needed at the transport layer because of potential errors occurring _____.
Options: from transmission line noise,    in routers,    from out-of-sequence delivery,    from packet losses.

Ans:B ,B


The storage locations in the interal storage of a CPU are called
Options: contents,    addresses,    locations,    mask

Ans:B ,B


Which is a non-standard version of a computing language?
Options: PROLOG,    APL,    Army,    PL/1

Ans:C ,C


In virtual storage, program segments stored on disk during processing are called:
Options: tracks,    blocks,    pages,    sectors

Ans:C ,C


The term "operating system" means
Options: a set of programs which controls computer working,    the way a computer operator works,    conversion of high level language into machine code,    the way a floppy disk drive operates

Ans:A ,A


_____ is an application of the computer where the computer makes decisions or judgments that appear to require human intuition, reasoning and intelligence.
Options: AI,    ES,    KBS,    Base-rule

Ans:A ,A


.    Which command displays only file and directory names without size, date and time information?
Options: a.    Dir/w b.    Dir a: c.    Dir /b d.    Dir /s

Ans:c,Correct Answer: dir/b


The nucleus of the copper atom contains how many protons?
Options: 1,    4,    18,    29

Ans:D ,D


Which command brings you to the first slide in your presentation?
Options: a. Next slide button b. Page up c. Ctrl + Home d. Ctrl + End

Ans: – C , – C


. What is the short cut key to highlight the entire column?
Options: a. Ctrl+C b. Ctrl+Enter c. Ctrl+Page Up d. Ctrl+Space Bar

Ans:– d,– d


The marketing mix does not include
Options: place,    product,    persuasion,    promotion

Ans:C ,C


Each answer below shows example data from a table. Which answer is an example of the general-purpose remarks column 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:D ,D


. The ….is a temporary storage area in memory where you can attach text or graphics information
Options: a. Clipboard b. Copyboard c. Both a and b d. None of above

Ans:3 – a ,3 – a


A data flow diagram is
Options: the modern version of flowchart,    mainly used at the systems specification stage.,    the primary output of the systems design phase,    All of the above

Ans:B ,B


What are the stages in the compilation process?
Options:  Feasibility study, system design and testing B.  Implementation and documentation C.  Lexical Analysis, syntax analysis, and code generation D.  None of the above

Ans:– C ,


Which gate only sends one through if neither of its terminals receives a pulse.
Options: NOT,    NOR,    OR,    NAND

Ans:B ,B


60. You need to jump to the next column breaking current column right at the cursor position. How can you break column?
Options: a. Pressing Ctrl+Enter b. Pressing Alt+Shift+Enter c. Break command from Insert menu d. Both b and c

Ans:– C ,– C


Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM?
Options: IDMS,    DB2,    dBase-II,    R:base

Ans:B ,B


A network administrator is connecting hosts A and B directly through their Ethernet interfaces, as shown in the illustration. Ping attempts between the hosts are unsuccessful. What can be done to provide connectivity between the hosts? A crossover cable should be used in place of the straight-through cable. A rollover cable should be used in place of the straight-through cable. The subnet masks should be set to 255.255.255.192. A default gateway needs to be set on each host. The subnet masks should be set to 255.255.255.0.
Options: 1 only,    2 only,    3 and 4 only,    1 and 5 only

Ans:D ,D


The process of transferring data intended for a peripheral device into a disk (or intermediate store) so that it can be transferred to peripheral at a more convenient time or in bulk, is known as
Options: multiprogramming,    spooling,    caching,    virtual programming

Ans:B ,B


. Which of the following is best for quick copy operation?
Options: Copy and Paste B. Windows Clipboard C. Drag and Drop D. Auto Text

Ans: – C ,


It is a database object to view, change, and analyze data in different ways
Options: a. query b. form c. report d. None of the above

Ans:ndash; a,ndash; a


. Poor response time are usually caused by
Options: a. Process busy b. High I/I rates c. High paging rate d. Any of the above

Ans:9 – d ,9 – d


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


What is the barrier potential of a silicon diode at room temperature?
Options: 0.7V,    0.3V,    1 V,    2 m V per degree Celsius

Ans:A ,A


Resistance is measured:
Options: in parallel,    in series,    after breaking the circuit,    after checking voltage

Ans:C ,C


. You have got a bunch of digital holiday photo you want to put into a slide show. What the quickest method?
Options: a. Apply a multiple-picture layout to several slides, and use the clipart icon on the slides to import your picture b. On the insert menu, point to the picture, click from file, and select your picture in a group for each slide c. On the insert menu, point the picture and click new photo album d. All of the above

Ans:2 – C ,2 – C


Which of the following subdirectory(ies) contains the device files?
Options: /dev,    /bin,    /etc,    /home

Ans:A ,A


In which type of the following OS, the response time is very crucial. A)  Network Operating System B)  Real Time Operating System C)  Batch Operating System D)  Unix Operating System
Options:

Ans:– B ,


The powerful text editor called PC-Write can be used by anybody by paying a small fee. Such programs are called
Options: Software,    Shareware,    Firmware,    Mindware

Ans:B ,B


The data-link layer, in reference to the OSI model, specifies
Options: data link procedures that provide for the exchange of data via frames that can be sent and received,    the interface between the X.25 network and packet mode device,    the virtual circuit interface to packet-switched service,    All of the above

Ans:A ,A


Compilers and interpreters are themselves
Options: High-level language,    Codes,    Programs,    Mnemonics

Ans:C ,C


Computers in a LAN can be interconnected by radio and infrared technologies.
Options: Wireless LANs,    Network Topologies,    Multiplexer,    Modem

Ans:A ,A

www.000webhost.com