Router operates in which layer of OSI Reference Model?


Options:  Layer 1 (Physical Layer) B.  Layer 3 (Network Layer) C.  Layer 4 (Transport Layer) D.  Layer 7 (Application Layer)

Ans: – B ,


Description: mcqquestions






More Computer Networks Related questions:


A subtype entity name should be which of the following?
Options: A singular noun,    Specific to the organization,    Concise,    All of the above

Ans:D ,D


The front-end processor is dedicated to perform which of the following function(s)?
Options: polling,    synchronization,    error checking,    All of the above

Ans:E ,E


A graphic representation of an information system is called
Options: flow chart,    pictogram,    data flow diagram,    histogram

Ans:C ,C


. Which of the following views displays the field name, description, and properties of a table?
Options: a. Datasheet View b. Design View c. Layout View d. Table View

Ans:4 – b ,4 – b


  What does “apply design template” do?
Options: Changes the content of the slide B. Adds functionality to the slide C. Changes the look of the slide without changing the content D. None of the above

Ans:– C ,


The smallest logical data entity is called a data item or data
Options: Base,    Field,    Bank,    Collection

Ans:B ,B


What is required when more than one person uses a central computer at the same time?
Options: A) Light pen B) Mouse C) Digitizer D) Terminal

Ans:-D,-D


The greatest change as a result of CAD/CAM is taking place in which industry?
Options: Medical,    Aerospace,    Electronics,    Cartography

Ans:C ,C


A new technology which provides the ability to create an artificial world and have people interact with it is called
Options: televirtuality,    virtual reality,    alternative reality,    3-D reality

Ans:B ,B


The vice-president of information has primary responsibility for
Options: recognizing information needs,    preparing an MIS study proposal,    setting MIS objectives,    establishing MIS constraints

Ans:B ,B


The tracks on a disk which can be accessed without repositioning the R/W heads is
Options: Surface,    Cylinder,    Cluster,    All of the above

Ans:B ,B


An aneroid barometer
Options: is very unreliable,    can measure only atmospheric pressure,    measures pressure by sensing deflection of an evacuated chambers.,    can be used to measure gas or liquid flow rates

Ans:C ,C


Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question?
Options: 200 W,    1000 W,    20 W,    100 W

Ans:A ,A


Which of the following would be a logical first step in troubleshooting a PC?
Options: Check the computer CMOS,    Define the circumstances of the problem,    Call the vendor,    Define what applications are being used

Ans:B ,B


Which switching technology reduces the size of a broadcast domain?
Options: ISL,    802.1Q,    VLANs,    STP

Ans:C ,C


Suppose you had an incurable computer virus and decided to wipe out all the data and partitions on your hard drive and reformat. What is the order in which you must delete the partitions?
Options: Extended, Logical, Primary,    Primary, Extended, Logical,    Logical, Extended, Primary,    Logical, Primary, Extended

Ans:C ,C


. Using windows explorer, a plus (+) sign in front of a folder indicates
Options: a. An open folder b. The folder contains subfolder c. A text file d. A graphic file

Ans:7 – b ,7 – b


This data type allows alphanumeric characters and special symbols.
Options: a. text b. memo c. auto number d. None of the above

Ans:dash; a,dash; a


. To protect a worksheet, you can choose Protection and the Protect Sheet from the ….. menu
Options: a. Edit b. Format c. Tools d. Data

Ans:– c,– c


Scheduling is
Options: allowing jobs to use the processor,    unrelated to performance consideration,    not required in uniprocessor systems,    the same regard-less of the purpose of the system

Ans:A ,A


A set of information that defines the status of resources allocated to a process is
Options: A) Process control B) ALU C) Register Unit D) Process description

Ans:-D,-D


While working with MS-DOS, which command is used to compare the disk in drive A with the disk in drive B, specifying to compare only first side of each disk, and only the first 8 sectors of each track?
Options: DISKCOPY A: B:/8,    DISKCOMP A: B:/l/8,    DISKCOMP A: B:/8,    DISKCOMP A: B:/l

Ans:B ,B


. Which option allows you to Bold all the negative values within the selected cell range:
Options: a. Zero Formatting b. Conditional Formatting c. Compare Formatting d. Negative Formatting

Ans:– b,– b


What VTP mode allows you to change VLAN information on the switch?
Options: Client,    STP,    Server,    Transparent

Ans:C ,C


You just installed a new IDE hard drive, but your system BIOS will not recognize the new drive, what should you check first.
Options: cable sequence,    jumpers on the hard drive,    drivers that need to be loaded,    hard drive manufacturer web site information

Ans:B ,B


Which of the following creates a drop down list of values to choose from a list?
Options: a. OLE Object b. Hyperlink c. Memo d. Lookup Wizard

Ans:ndash; d,ndash; d


A device that converts mechanical pressure to electrical energy is called a:
Options: piezoelectric device,    solar cell,    photodiode,    nicad cell

Ans:A ,A


If you want to convert a symbol or several lines of text into an AutoCorrect entry, you should:
Options:  A) Insert the symbol or type the text in a Word document first. Then, select the text or symbol and go to the AutoCorrect dialog box., B) Click the Tools menu and choose AutoCorrect Options. Then, click the Insert menu and choose Symbol (or click the Format menu and choose Paragraph) to add the symbol or paragraph to AutoCorrect., C) AutoCorrect can only accommodate one line of text. It is not possible to convert a symbol or multiple lines of text into an AutoCorrect entry., D) Insert the symbol or type the text in a Word document first. Then, select the text or symbol and click the Edit menu followed by Paste Special. Select New AutoCorrect Entry and then click OK.,

Ans:-A,-A


. What are the computers called that performs calculations and comparisons usually in the binary numbering system?
Options: A) Analog Computers B) Digital Computers C) Hybrid Computers D) None of above

Ans:B,B


Which is a semi conductor memory?
Options:  Dynamic B.  Static C.  Bubble D.  Both a & b

Ans:– D ,


In SQL, which command(s) is(are) used to redefine an index's future storage allocation
Options: ALTER INDEX,    REDEFINE INDEX,    MODIFY INDEX,    DO INDEX

Ans:A ,A


The Ziegler-Nichols method:
Options: is a graphical solution method,    can be used to determine gain factors of a PI loop,    is a method of control,    a and b above

Ans:D ,D


. PowerPoint design templates are stored in a file with this extension.
Options: a. .ptt b. .pot c. .ppt d. .dtp

Ans:5 – B ,5 – B


What will be the output of the program? #include<stdio.h> int main() { int i; i = printf("How r u\n"); i = printf("%d\n", i); printf("%d\n", i); return 0; }
Options: How r u 7 2,    How r u 8 2,    How r u 1 1,    Error: cannot assign printf to variable

Ans:B ,B


If no multivalued attributes exist in a relation, then the relation is in what normal form?
Options: First normal form,    Second normal form,    Third normal form,    Fourth normal form

Ans:A ,A


What are the most commonly used transmission speeds in BPS used in data communication?
Options: 300,    1200,    2400,    9600

Ans:D ,D


. We can save and protect the workbook by
Options: a. Write Reservation Password b. Protection Password c. Read-only Recommended d. Any of the above

Ans:– d,– d


Scissoring enables
Options: a part of data to be displayed,    entire data to be displayed,    full data display on full area of screen,    no data to be displayed

Ans:A ,A


What is the maximum number of lines you can set for a drop cap?
Options:  A) 3, B) 10, C) 15, D) 20,

Ans:-B,-B


What programming language(s) or scripting language(s) does Java Server Pages (JSP) support?
Options: VBScript only,    Jscript only,    Java only,    All of the above are supported

Ans:C ,C


What is the language used by most of the DBMSs for helping their users to access data?
Options: High level language,    Query language,    SQL,    4GL

Ans:B ,B


If digital data rate of 9600 bps is encoded using 8-level phase shift keying (PSK) method, the modulation rate is
Options: 1200 bands,    3200 bands,    4800 bands,    9600 bands

Ans:B ,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


. Which operation you will perform if you need to move a block of text?
Options: a. Copy and Paste b. Cut and Paste c. Paste and Delete d. Paste and Cut

Ans:– B,– B


The systems conversion technique of totally removing the existing system and immediately implementing the new system is called a
Options: pilot conversion,    crash conversion,    phased conversion,    parallel run

Ans:B ,B


. The language that the computer can understand and execute is called

Options: A) Machine language B) Application software C) System program D) All of above

Ans:A,A


A square symbols
Options: defines a source or destination of system data,    identifies data flow,    represents a process that transforms incoming data flow(s) into outgoing data flows,    is a data store-data at rest, or a temporary repository of data

Ans:A ,A


Which of the following operations moves text from clipboard?
Options: Copy B. Paste C. Drag and Drop D. Cut

Ans:– B ,


. You created a query with two tables that did NOT have a join line. The first table has 12 records and the second has 5. The resulting recordset would have how many records?
Options: a. 7 b. 17 c. 60 d. Not enough information to tell

Ans:5 – c ,5 – c


What expansion types do most pll/plll motherboards support?
Options: MCA, PCI,    ISA, EISA,    ISA, PCI, AGP,    ISA, VESA, PCI

Ans:C ,C

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