. Repeater operates in which layer of the OSI model?


Options: Physical layer B. Data link layer C. Network layer D. Transport layer

Ans: – A ,


Description: mcqquestions

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

Hits Today: 13726 | 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:


What was the name of the first stored program electronic computer which was built in 1949 at Cambridge University in England?
Options: EDVAC,    EDSAC,    UNIVAC,    MARK-I

Ans:B ,B


The teleprocessing system appropriate for a probability encoding system is
Options: an on-line batch system,    an interactive time-sharing system,    a large-scale batch system,    All of the above

Ans:B ,B


Which of the following presentation elements can you modify using the slide master?
Options: a. Slide comments b. Slide transitions c. Speaker note font and color d. All of above

Ans: – B , – B


Which of the following commands will configure all the default VTY ports on a router?
Options: Router#line vty 0 4,    Router(config)#line vty 0 4,    Router(config-if)#line console 0,    Router(config)#line vty all

Ans:B ,B


Ctrl + S
Options: a. Save Document with different name b. Save Document with same name c. Save Document and Close Word Application d. Save Document and Print whole Pages

Ans:–  B,–  B


.   A file which contains readymade styles that can be used for a presentation is called
Options: a. Auto style b. Template c. Wizard d. Pre-formatting

Ans:8 – B ,8 – B


The data recording area between the blank gaps on magnetic tape is called a/ an:
Options: Record,    Block,    Field,    Database

Ans:B ,B


Acceptance testing is
Options: running the system with line data by the actual user,    making sure that the new programs do in fact process certain transactions according to Specifications,    is checking the logic of one or more programs in the candidate systems,    testing changes made in an existing or a new program

Ans:A ,A


. Which of the following is the most powerful computers?
Options: A) Mainframe Computer B) Mini Computers C) Micro Computers D) Super Computers

Ans:7-D,7-D


. What are symbols used to identify items in a list?
Options: a. Icons b. Markers c. Bullets d. Graphics

Ans:9 – C ,9 – C


Pictures or drawings, typically displayed on a VDU to allow users to select program options is called
Options: HIPO charts,    Icons,    Graphics,    Network

Ans:B ,B


Which of the following data structure store the homogeneous data elements?
Options: a. Arrays b. Records c. Pointers d. None

Ans:- a,- a


An advantage of blocking a tape is that
Options: additional processing time is consumed,    the direct file method can be emulated,    tapes contain less data and longer tapes,    less tape is used to store the same amount of data

Ans:D ,D


Material consisting of text and numbers is best presented as
Options: a. A table slide b. A bullet slide c. A title slide d. All of the above

Ans: – A , – A


If a signal passing through a gate is inhibited by sending a low into one of the inputs, and the output is HIGH, the gate is a(n):
Options: AND,    NAND,    NOR,    OR

Ans:B ,B


Which of the following is considered to be the address after translation?
Options: Inside local,    Outside local,    Inside global,    Outside global

Ans:C ,C


Which of the following protocols uses both TCP and UDP?
Options: FTP,    SMTP,    Telnet,    DNS

Ans:D ,D


A homogenous distributed database is which of the following?
Options: The same DBMS is used at each location and data are not distributed across all nodes.,    The same DBMS is used at each location and data are distributed across all nodes.,    A different DBMS is used at each location and data are not distributed across all nodes.,    A different DBMS is used at each location and data are distributed across all nodes.

Ans:B ,B


Some firms have created a combination position called
Options: manager / analyst,    programmer / operator,    analyst / programmer,    manager / operator

Ans:C ,C


Which of the following is not currently a topic in computer science?
Options: Speech recognition,    Artificial intelligence,    Thermodynamics,    Multiprocessing

Ans:C,C


“Ctrl + PageUp” is used to
Options: a. Moves the cursor one Page Up b. Moves the cursor one Paragraph Up c. Moves the cursor one Screen Up d. Moves the cursor one Line Up

Ans:–  A,–  A


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


What is the meaning of “Hibernate” in Windows XP/Windows 7? A)  Restart the Computer in safe mode B)  Restart the Computer in hibernate mode C)  Shutdown the Computer terminating all the running applications D)  Shutdown the Computer without closing the running applications
Options:

Ans:– D ,


VLSI (very large scale integrated circuits) logic:
Options: will not be available in this decade,    means more costly electronic products in the future,    will result in lower cost, higher capability electronic equipment,    All of the above

Ans:C ,C


. Borders can be applied to
Options: a. cells b. paragraph c. text d. All of above

Ans: – D , – D


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


37. What is the short cut key to open the Open dialog box?
Options: a. F12 b. Shift F12 c. Alt + F12 d. Ctrl + F12

Ans:– D ,– D


Which command is required for connectivity in a Frame Relay network if Inverse ARP is not operational?
Options: frame-relay arp,    frame-relay map,    frame-relay interface-dci,    frame-relay lmi-type

Ans:B ,B


What is route poisoning?
Options: It sends back the protocol received from a router as a poison pill, which stops the regular updates.,    It is information received from a router that can't be sent back to the originating router.,    It prevents regular update messages from reinstating a route that has just come up.,    It describes when a router sets the metric for a downed link to infinity.

Ans:D ,D


Marketing research does not normally
Options: gather environmental information,    provide a continuous source of information,    relate to all aspects of marketing operations,    describe the current situation

Ans:B ,B


A notation used to express clearly on algorithm is known as
Options: Algorithmic language,    Assembly language,    Machine language,    High level language

Ans:A,(Aanswer


. For which of the following computers can’t be used?

Options: A) gathering data B) calculating data C) comparing data D) Arranging data

Ans:A,A


The Thevenin resistance is equal in value to the
Options: Load resistance,    Half the load resistance,    Internal resistance of a Morton circuit,    Open-load resistance

Ans:A ,A


RS-232-G
Options: is an interface between two data circuit terminating equipment as examplified by a local and remote modem,    is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment,    specifies only the mechanical characteristics of an interface by providing a 25-pin connector,    requires only 7 pin out of 25 in order to transmit digital data over public telephone lines

Ans:B ,B


You need to create an access list that will prevent hosts in the network range of 192.168.160.0 to 192.168.191.0. Which of the following lists will you use?
Options: access-list 10 deny 192.168.160.0 255.255.224.0,    access-list 10 deny 192.168.160.0 0.0.191.255,    access-list 10 deny 192.168.160.0 0.0.31.255,    access-list 10 deny 192.168.0.0 0.0.31.255

Ans:C ,C


What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm?
Options: 60 Ohm,    99.3 Ohm,    250 Ohm,    70.7Ohm

Ans:D ,D


Your CD-ROM audio cable connects to the:
Options: speaker,    sound card (or motherboard if sound is integrated with it),    power supply,    hard drive

Ans:B ,B


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


A path by which communication is achieved between a central processor and other devices is called
Options: Audit trail,    Network,    Bus,    Channel

Ans:C ,C


. A ____ often display summary data such as totals or counts.
Options: a. Group Header b. Group Footer c. Report Header d. Page Footer

Ans:2 – b ,2 – b


The term scheme means
Options: the relationship service bureau,    a map of overall structure of a database.,    a parent with no owners,    two dimensional table

Ans:B ,B


. What function displays row data in a column or column data in a row?
Options: a. Hyperlink b. Index c. Transpose d. Rows

Ans:– c,– c


What command can be used to get information about yourself?
Options: which,    pwd,    i /4,    who am i

Ans:D ,D


Which command will you use in PowerPoint if you need to change the color of different objects without changing content?
Options: a. Design Template b. Color Scheme c. Font Color d. Object Color

Ans: – B , – B


The__ button on the tool box display data from a related table
Options: a. Sub form sub report b. Relationships c. Select objects d. More controls

Ans:ndash; a,ndash; a


Which protocol has been standardised by the International Standards Organisation.
Options: ISAM,    ISO,    LISP,    CALL

Ans:B ,B


Which of the following command is used to create a Linux installation boot floppy?
Options: mkboot disk,    bootfp disk,    ww and rawwrite,    dd and rawrite

Ans:D ,D


UML is stands for
Options: Universal Modeling Language B. Unified Modeling Language C. United Modeling Language D. Uni Modeling Language

Ans:– B ,


Nassi - schneiderman charts
Options: are being replaced by flowcharts,    often describe over lapping control structures,    are made up of boxes within boxes,    both (a) and (c)

Ans:C ,C


Page stealing
Options: is a sign of an efficient system,    is taking page frames from other working sets,    should be the tuning goal,    is taking larger disk spaces for pages paged out

Ans:B ,B

www.000webhost.com