_______ provides a connection-oriented reliable service for sending messages


Options: TCP B. IP C. UDP D. All of the above

Ans:– A ,


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

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More Computer Networks Related questions:


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

Ans:A ,A


Which command is used to copy all files from drive A with extension .TXT to the currently logged drive and directory?
Options: COPY a: *.TXT,    COPY *.TXT A:,    COPY *.TXT C:,    COPY *.TXT ALL.TXT

Ans:A ,A


Who invented Java?
Options: Netscape,    Microsoft,    Sun,    None of the above is correct.

Ans:C ,C


Where can you change the vertical alignment?
Options:  A) Formatting toolbar, B) Paragraph dialog box, C) Page Setup dialog box, D) Standard toolbar,

Ans:-C,-C


. Unicode standard is
Options: a. Keyboard layout b. Software c. Font d. Character encoding system

Ans:5 – d ,5 – d


What is the output of the program? #include<stdio.h> int main() { extern int a; printf("%d\n", a); return 0; } int a=20;
Options: 20,    0,    Garbage Value,    Error

Ans:A ,A


Which of the following typically uses a keyboard for input?
Options: desktop terminal,    point-of-sale terminal,    financial transaction terminal,    executive workstation

Ans:E ,E


The bars in a bar chart are represented by the
Options: rectangles in a network diagram,    arrows in a network diagram,    triangles in a network diagram,    All of the above

Ans:B ,B


Which one of the following statements is true for voltage in a series circuit?
Options: The total voltage is equal to the sum of the individual voltages in a series circuit,    The total voltage in a series circuit is equal to the average value of the individual voltages,    The total voltage of a series circuit is equal to the total current divided by the total resistance,    The total voltage in a series circuit is always less than the value of the smallest voltage

Ans:A ,A


Which of the following operations are INCORRECT?
Options: int i = 35; i = i%5;,    short int j = 255; j = j;,    long int k = 365L; k = k;,    float a = 3.14; a = a%3;

Ans:D ,D


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


What will be the output of the program? #include<stdio.h> #include<string.h> int main() { char *s; char *fun(); s = fun(); printf("%s\n", s); return 0; } char *fun() { char buffer[30]; strcpy(buffer, "RAM"); return (buffer); }
Options: 0xffff,    Garbage value,    0xffee,    Error

Ans:B ,B


Which of the following are the two main components of the CPU?
Options: control unit and registers,    registers and main memory,    control unit and ALU,    ALU and bus

Ans:C ,C


Which of the following is an example of a client-server model?
Options: TELNET,    FTP,    DNS,    All of the above

Ans:D ,D


Which one of the following kinds of materials has the lowest permeability?
Options: A diamagnetic material,    A paramagnetic material,    A feiTomagnetic material,    All of the above

Ans:A ,A


. Operating system, editors, and debuggers comes under?
Options: A) System Software B) Application Software C) Utilities D) None of the above

Ans:A,A


28. What do you call ‘a collection of character and paragraph formatting commands’?
Options: a. the defaults b. a template c. a style d. a boilerplate

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


The ASCII code for the character J is:
Options: 1001 0001,    1001 1010,    0100 1010,    1010 0001

Ans:C,C


What command can you add to the AUTOEXEC.BAT file so that your computer temporarily stops in the execution of the file before continuing?
Options: Pause,    Halt,    Wait x.xx seconds,    Wait until Files="x"

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


Which of the following communications service provides message preparation and transmission facilities?
Options: Teletex,    Teletext,    x400,    Fax

Ans:A ,A


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

Ans:A ,A


. To make file in MS Dos we need command
Options: a. Copy b. Copy con c. MD d. Make File

Ans:0 – b ,0 – b


What is the difference between mnemonic codes and machine codes?
Options: There is no difference.,    Machine codes are in binary, mnemonic codes are in shorthand English.,    Machine codes are in shorthand English, mnemonic codes are in binary.,    Machine codes are in shorthand English, mnemonic codes are a high-level language.

Ans:B ,B


Slack is the calculated time span within which the event must occur:
Options: true,    false,    cannot be said,    All of the above

Ans:A ,A


_______ controls all the main slide control tasks for your presentation.
Options: a. Task Pane b. Task Bar c. Control Panel d. None of above

Ans:– A ,– A


. Which of the following is NOT possible when printing Forms?
Options: a. Print page 1, 3, and 5 b. Print pages 1 through 5 c. Print selected records d. Print only the third record

Ans:5 – a ,5 – a


. One computer that is not considered a portable computer is
Options: A) Minicomputer B) A laptop computer C) Tablet PC D) All of the above

Ans:A,A


The keyword "inverse" is used in which of the following?
Options: Class,    Attribute,    Relationship,    All of the above.

Ans:C ,C


Which of the following provides a storage mechanism for incoming mail but does not allow a user to download messages selectively?
Options: SMTP,    DHCP,    IMAP,    POP3

Ans:D ,D


A language which is close to that used within the computer is
Options: High-level language,    Assembly language,    Low-level language,    All of the above

Ans:C ,C


Which of the following is used to check for errors in RAM chips?
Options: ROM chip,    Microprocessor chip,    Parity chip,    EPROM chip

Ans:C ,C


What is the frequency range of the IEEE 802.11g standard?
Options: 2.4Gbps,    5Gbps,    2.4GHz,    5GHz

Ans:C ,C


A computer assisted method for the recording and analyzing of existing or hypothetical systems is
Options: Data transmission,    Data flow,    Data capture,    Data processing

Ans:B,(Banswer


Portrait and Landscape are
Options:  A) Page Orientation, B) Paper Size, C) Page Layout, D) All of above, 

Ans:-A,-A


. you can use the formula palette to
Options: a. format cells containing numbers b. create and edit formulas containing functions c. entered assumptions data d. copy a range of cells

Ans:– b,– b


When typing in a word field manually, what must you press to insert the code’s braces?
Options: Ctrl + F6 B. Ctrl + F9 C. Alt + F11 D. Shift + F12

Ans:– B ,


The unit of a computer system that executes program, communicates with and often controls the operation of other subsystems of the computer is known as
Options: CPU,    Control Unit,    I/O unit,    Peripheral unit

Ans:A,A


Topically, how many type III PC cards can you insert in a laptop
Options: 1,    2,    3,    4

Ans:A ,A


External data is stored in the
Options: market forecast file,    forecast allocation file,    customer file,    All of the above

Ans:A ,A


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


The essential features of a number system are
Options: Radix,    Set of distinct counting digits,    bits,    Both (a) & (b)

Ans:D ,D


To set up a bulletin board system you need
Options: a smart modem with auto-answer capabilities,    a telephone line,    a personal computer,    All of the above

Ans:D ,D


Which command loads a new version of the Cisco IOS into a router?
Options: copy flash ftp,    copy ftp flash,    copy flash tftp,    copy tftp flash

Ans:D ,D


Full adder has
Options: 4 inputs,    8 inputs,    10 inputs,    3 inputs

Ans:D ,D


Which of the following statements is not true
Options: A structured chart is a sequential representation of program design,    the Real-Time system is a particular case of a on-line-system,    Batch totals are not incorporated while designing real-time applications,    4GLs are used for application proto typing

Ans:A ,A


What is the maximum distance running the lowest data rate for 802.11g?
Options: About 100 feet,    About 175 feet,    About 300 feet,    About 350 feet

Ans:C ,C


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

Ans:– C ,


What is the main purpose of the secondary storage device?
Options: To increase the speed of Computer B. To Install Operating System C. To Networking D. To Store Data

Ans:– D ,

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