Difference between T568A and T568B is


Options: Difference in wire color B. Difference in number of wires C. Just different length of wires D. Just different manufacturer standards

Ans:– D ,


Description: mcqquestions

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

Hits Today: 16332 | 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:


Which of the following is not a worksheet design criterion?
Options: a. Efficiency b. Aditibility c. Description d. Clarity

Ans:#8211; c,#8211; c


The brain of any computer system is
Options: ALU,    Memory,    CPU,    Control unit

Ans:C ,C


The field that investigates the mechanics of human intelligence is:
Options: history,    cognitive science,    psychology,    sociology

Ans:B ,B


Which one of the following statements is true for current flowing in a parallel circuit?
Options: The amount of current flow through each branch of a parallel circuit can be different, depending on the resistance of each branch part and the amount of voltage applied to it,    The same current always flows through every part of a parallel circuit,    The total current in a parallel circuit is equal to the total voltage multiplied by the total resistance,    The total current in a parallel circuit is always less than the smallest amount of current

Ans:A ,A


A packet switching network that was sponsored by the Commission of the EEC and became operational in 1979 is
Options: LAN,    Broadband network,    Star network,    Euronet

Ans:D ,D


Routing tables of a router keeps track of
Options: MAC Address Assignments B. Port Assignments to network devices C. Distribute IP address to network devices D. Routes to use for forwarding data to its destination

Ans:– D ,


67. Which of the following is not a type of page margin?
Options: a. Left b. Right c. Center d. Top

Ans:– C ,– C


What is the name of the device that converts computer output into a form that can be transmitted over a telephone line?
Options: Teleport,    Modem,    Multiplexer,    Concentrator

Ans:B ,B


Design qualifications do not normally include
Options: Output requirements,    Input and storage requirements,    Control provisions,    Blueprints

Ans:D ,D


. Which command is used to open the directory?
Options: a. Open b. Chdir c. Move d. All of above

Ans:2 – b ,2 – b


Having compatibility and commonality in and between vendors' equipment is called:
Options: registration,    standardization,    integration,    networking

Ans:B ,B


One solution to the multivalued dependency constraint problem is to:
Options: split the relation into two relations, each with a single theme.,    change the theme.,    create a new theme.,    add a composite key.

Ans:A ,A


Binary numbers need more places for counting because
Options: They are always big numbers,    Any no. of 0's can be added in front of them,    Binary base is small,    0's and l's have to be properly spaced apart

Ans:C ,C


A physical connection between the microprocessor memory and other parts of the microcomputer is known as
Options: A) Path B) Address bus C) Route D) All of the above

Ans:-B,-B


Which file starts MS Word?
Options: a. winword.exe b. word.exe c. msword.exe d. word2003.exe

Ans:– A,– A


Which of the following translate back from machine code something resembling the source language
Options: Interpreter,    Compiler,    Assembler,    Decompiler

Ans:D ,D


Which of the following languages is more suited to a structured program?
Options: PL/1,    FORTRAN,    BASIC,    PASCAL

Ans:D,(Danswer


In which mode can 2 or more applications be stored in memory at the same time?
Options: Segmented Mode,    Unprotected Mode,    Real Mode,    Protected Mode

Ans:D ,D


Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?
Options: Interface,    Modem,    Attenuation,    Teleprocessor

Ans:B ,B


In Computer terminology ‘CAD’ is stands for
Options: A. Computer And Design B. Computer Algorithm in Design C. Computer Aided Design D. None of the above

Ans:C,


How can you disable extended selection mode?
Options: a. Press F8 again to disable b. Press Del to disable c. Press Esc to disable d. Press Enter to disable

Ans:– C,– C


What is the name of the computer which was first used for programming and playing of music?
Options: ELLIAC,    ENIAC,    UNIVAC,    All of the above

Ans:A,A


What does the port number in a TCP connection specify?
Options: It specifies the communication process on the two end systems B. It specifies the quality of the data & connection C. It specify the size of data D. All of the above

Ans:– A ,


. Which of the following is true regarding Referential Integrity?
Options: Every primary-key value must match a primary-key value in an associated table B. Every primary-key value must match a foreign-key value in an associated table C. Every foreign-key value must match a primary-key value in an associated table D. Every foreign-key value must match a foreign-key value in an associated table

Ans: – C ,


Which of the declaration is correct?
Options: int length;,    char int;,    int long;,    float double;

Ans:A ,A


All calculations are performed and all comparisons are made in _____ unit.
Options: control unit,    aritmetic-logic unit,    central processing unit,    primary storage unit

Ans:B ,B


The time for which a piece of equipment operates is called
Options: Seek time,    Effective time,    Access time,    Real time

Ans:B,(Banswer


Loaders that allow for program relocation are called
Options: relocating loaders,    relative loaders,    both (a) and (b),    None of the above

Ans:C ,C


The memory address of fifth element of an array can be calculated by the formula
Options: a. LOC(Array[5]=Base(Array)+w(5-lower bound), where w is the number of words per memory cell for the array b. LOC(Array[5])=Base(Array[5])+(5-lower bound), where w is the number of words per memory cell for the array c. LOC(Array[5])=Base(Array[4])+(5-Upper bound), where w is the number of words per memory cell for the array d. None of above

Ans:- a,- a


. Which of the following is a correct order of precedence in a formula calculation?
Options: a. Multiplication and division, exponential positive and negative value b. Multiplication and division, positive and negative values, addition and subtraction c. Addition and subtraction, positive and negative values, exponentiation d. None of above

Ans:– d,– d


. Digital devices are
Options: A) Digital Clock B) Automobile speed meter C) Clock with a dial and two hands D) All of them

Ans:2-A,2-A


Which of the following server is used with the BIND package?
Options: httpd,    shttp,    dns,    named

Ans:D ,D


The technique of assigning a memory address to each I/O device in the SAM system is called:
Options: wired I/O,    I/O mapping,    dedicated I/O,    memory-mapped I/O

Ans:D ,D


A memory bus is mainly used for communication between
Options: processor and memory,    processor and I/O devices,    I/O devices and memory,    input device and output device

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


A regular subquery can be processed:
Options: from the top down.,    from the bottom up.,    by nesting.,    None of the above is correct.

Ans:B ,B


Serial access memories are useful in applications where
Options: data consists of numbers,    short access time is required,    each stored word is processed differently,    data naturally needs to flow in and out in serial form

Ans:D ,D


Creating a read-only database is a task that is ________ assigned to beginning database professionals.
Options: always,    commonly,    seldom,    never

Ans:B ,B


After a table has been created, its structure can be modified using the SQL command:
Options: UPDATE TABLE [TableName].,    MODIFY TABLE [TableName].,    ALTER TABLE [TableName].,    CHANGE TABLE [TableName].

Ans:C ,C


When mapping a supertype/subtype relationship which of the following is true?
Options: The supertype primary key is assigned to each subtype.,    The subtype primary key is assigned to each supertype.,    There is no link between the supertype/subtype entities.,    There is no primary key/foreign key relationship between a supertype/subtype.

Ans:A ,A


During the system study, analysts determine manager's information needs by
Options: conducting tours of a nearby computer center,    asking questions,    showing samples of computer reports,    teaching short courses in programming languages

Ans:B ,B


Exceptions to the 8085 microprocessor normal operation are called:
Options: jump instructions,    decoding,    interrupts,    jump instructions or interrupts

Ans:D ,D


______________ is a classical approach to database design?
Options: Left – Right approach B. Right – Left approach C. Top – Down approach D. Bottom – Up approach

Ans:– C ,


Which is true regarding EIGRP successor routes? A successor route is used by EIGRP to forward traffic to a destination. Successor routes are saved in the topology table to be used if the primary route fails. Successor routes are flagged as "active" in the routing table. A successor route may be backed up by a feasible successor route. Successor routes are stored in the neighbor table following the discovery process.
Options: 1 and 3,    2 and 3,    1 and 4,    3, 4 and 5

Ans:C ,C


Which of the following is not true of office automation?
Options: It enhances office productivity.,    Human factors should be considered in implementing office automation.,    It will increase informal communications between employees.,    Software should be designed to be user-friendly

Ans:C ,C


. From where do you change mouse setting?
Options: a. Setting >> mouse b. Hardware setting c. Control panel >> mouse d. None of the above

Ans:1 – c ,1 – c


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

Ans:0 – b ,0 – b


Controls of data communication deal with
Options: the communication channel,    the computer,    terminals,    All of the above

Ans:D ,D


The most common input device used today is
Options: Motherboard,   Keyboard,    Scanner,    Mouse

Ans:B,Keyboard


What is ACID properties of Transactions?
Options: Atomicity, Consistency, Isolation, Database B. Atomicity, Consistency, Isolation, Durability C. Atomicity, Consistency, Inconsistent, Durability D. Automatically, Concurrency, Isolation, Durability

Ans:– B ,

www.000webhost.com