Which of following provides reliable communication?


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

Ans:– A ,


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More Computer Networks Related questions:


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

Ans:B ,B


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


How many control unit(s) is/are available in SISD (single data stream, single data stream) architecture?
Options: one,    two,    more than one,    Mone

Ans:A ,A


A foreign key is:
Options: a column containing the primary key of another table.,    used to define data types.,    used to define null status.,    all of the above are above correct.

Ans:A ,A


The physical layer of a network
Options: constructs packets of data and sends them across the network,    controls error detection and correction,    defines the electrical characteristics of signals passed between the computer and communication devices,    All of the above

Ans:C ,C


. Which one of the following is not a layer of operating system?
Options: a. Kernel b. Shell c. Application program d. Critical selection

Ans:2 – d ,2 – d


Which elements of a worksheet can be protected from accidental modification?
Options: Contents B. Objects C. Scenarios D. All of the above

Ans:– 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


40. When the same word is used in multiple locations or a word is used that was not quite appropriate, a thesaurus can be used to look up a (n) _____ or a word similar in meaning.
Options: a. synonym b. homonym c. antonym d. metronym

Ans:– A ,– A


. Which file system Windows 95 typically use?
Options: a. FAT 16 b. FAT 32 c. NTFS d. LMFS

Ans:7 – b ,7 – b


. Which is not an external command?
Options: a. Edit b. XCOPY c. Sys d. None of the above

Ans: d, d


. 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


If the binary eauivalent of 5.375 in normalised form is 0100 0000 1010 1100 0000 0000 0000 0000, what will be the output of the program (on intel machine)? #include<stdio.h> #include<math.h> int main() { float a=5.375; char *p; int i; p = (char*)&a; for(i=0; i<=3; i++) printf("%02x\n", (unsigned char)p[i]); return 0; }
Options: 40 AC 00 00,    04 CA 00 00,    00 00 AC 40,    00 00 CA 04

Ans:C ,C


Which command is used to delete the directory that is empty?
Options: a. Del *.* b. RD c. Erase d. MD

Ans:Answer: b. RD,Answer: b. RD


.The Average case occur in linear search algorithm
Options: A)When Item is somewhere in the middle of the array b.When Item is not in the array at all c.When Item is the last element in the array d.When Item is the last element in the array or is not there at all

Ans:A,A


An output device that uses words or messages recorded on a magnetic medium to produce audio response is
Options: Magnetic tape,    Voice response unit,    Voice recognition unit.,    Voice band

Ans:B ,B


What is the standard protocol for network management features?
Options: SNA,    FTP,    SNMP,    SMS

Ans:C ,C


Which part of the system performs the "housekeeping" chores?
Options: operating system,    compiler,    interpreter,    translator

Ans:A ,A


. How to insert Section Break in Microsoft Word 2010?
Options: Insert ribbon – Pages group – Page Break button B. View ribbon – Document Views group – Breaks button C. References ribbon – Index group – Insert Index button D. Print Layout ribbon – Page Setup group – Breaks button

Ans:– D ,


. The ..... program compresses large files into a smaller file
Options: a. WinZip b. WinShrink c. WinStyle d. None of above

Ans: a, a


. Size of the primary memory of a PC ranges between
Options: A) 2KB to 8KB B) 64KB & 256KB C) 256KB & 640KB D) None of these

Ans:C,C


What do the 'c' and 'v' in argv stands for?
Options: 'c' means argument control 'v' means argument vector,    'c' means argument count 'v' means argument vertex,    'c' means argument count 'v' means argument vector,    'c' means argument configuration 'v' means argument visibility

Ans:C ,C


Which of the following is directry controlled from a keyboard.
Options: Card punch,    Punched paper tape,    Magnetic disk,    Magnetic tape

Ans:A ,A


After you have compiled your kernel, what do you have to edit to boot your new kernel image?
Options: /boot/lilo.conf,    /etc/conf.modules,    /etc/named.boot,    /etc/lilo.conf

Ans:D ,D


A relation has which of the following properties?
Options: Each row is not unique.,    Attributes can have the same name within a given table.,    Each relation has a unique name.,    The order of the columns is significant.

Ans:C ,C


. To make directory
Options: a. MKD b. MKDIR c. CD d. All of the above

Ans:4 – b ,4 – b


30. Ctrl + Z
Options: a. Undo the last Action b. Redo the last Action c. Add the new page d. Paste the contents from clipboard

Ans:–  A ,–  A


Graphic representation of the control logic of processing functions or modules representing a system, is known as:
Options: Structured analysis,    Structured chart,    Structured English,    System Flow chart

Ans:B ,B


You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Options: The command requires additional options or parameters.,    There is more than one show command that starts with the letters ru.,    There is no show command that starts with ru.,    The command is being executed from the wrong router mode.

Ans:B ,B


Localizing an object in an image and selectively analyzing the object in a series of redundant layers is referred to as the:
Options: Turing test,    pyramid,    Gaussian pyramid,    Maxwell pyramid

Ans:C ,C


. How to change row height in Word 2010?
Options: Edit Table from the Layout ribbon, select Row tab B. Properties from the Layout ribbon, select Row tab C. Edit Height from the Design ribbon, select Row tab D. Row Height from the Table ribbon, select Row tab

Ans:– B ,


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

Ans:4-D,4-D


What is the general name of the device which produces hardcopy graphics?
Options: COM,    Plotter,    Printer,    Microfilm

Ans:B,B


. In a datasheet, what does each row represent?
Options: a. Record b. Field c. Database d. Table

Ans:– a,– a


The microcomputer, Intel MCS-80 is based on the widely used Intel
Options: 8080 microprocessor,    8085 microprocessor,    8086 microprocessor,    8082 microprocessor

Ans:A,(Aanswer


Pillsbury's REACH system is concerned mainly with the accomplishment of
Options: monthly objectives,    weekly objectives,    quarterly objectives,    annual objectives

Ans:C ,C


A memory that does not change its contents without external causes is known as
Options: Dynamic memory,    Static memory,    RAM,    EEPROM

Ans:B,(Banswer


. Which of the following is not an option of the spelling dialog box?
Options: a. Ignore b. Ignore all c. Edit d. Change

Ans:– c,– c


Business Intelligence (BI) reporting systems cannot do which of the following operations?
Options: Filter data,    Group data,    Modify data,    Both filter and group data

Ans:C ,C


A DBMS that combines a DBMS and an application generator is ________ .
Options: Microsoft's SQL Server,    Microsoft's Access,    IBM's DB2,    Oracle Corporation's Oracle

Ans:B ,B


What frequency range is used for microwave communications, satellite and radar?
Options: Low Frequency : 30 kHz to 300 kHz,    Medium Frequency : 300 kHz to 3 MHz,    Super High Frequency : 3000 MHz to 30000 MHz,    Extremely High Frequency :30,000 MHz

Ans:D ,D


A constraint that does not, affect the feasible solution region is known as
Options: redundant constraint,    unbounded solution,    slack variable,    surplus variable

Ans:A ,A


Three-tier architecture includes which of the following?
Options: Three server layers,    A client layer and two server layers,    Two client layers and one server layer,    Three client layers

Ans:B ,B


. Which of the following terms is the most closely related to main memory?
Options: A) Non volatile B) Permanent C) Control unit D) Temporary

Ans:D,D


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


. Where can you define the permanent path for DOS?
Options: a. Io.sys b. Config.sys c. Autoexec.sys d. Command . com

Ans:6 – c ,6 – c


The output will be a LOW for any case when one or more inputs are zero in a(n):
Options: OR gate,    NOT gate,    AND gate,    NAND gate

Ans:C ,C


. Which type of template provides a design concept, fonts & color scheme for presentation?
Options: a. Format b. Design c. Content d. Normal

Ans:9 – B ,9 – B


The first widely-used commercial form of Artificial Intelligence (Al) is being used in many popular products like microwave ovens, automobiles and plug in circuit boards for desktop PCs. It allows machines to handle vague information with a deftness that mimics human intuition. What is the name of this AI?
Options: Boolean logic,    Human logic,    Fuzzy logic,    Functional logic

Ans:C ,C


Which is built directly on the hardware?
Options: Computer Environment B. Application Software C. Operating System D. Database System

Ans:– C ,

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