What does Router do in a network?


Options: Forwards a packet to all outgoing links B. Forwards a packet to the next free outgoing link C. Determines on which outing link a packet is to be forwarded D. Forwards a packet to all outgoing links except the originated link

Ans:– C ,


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

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More Computer Networks Related questions:


How do you display current date only in MS Excel?
Options: date () B. Today () C. now () D. time ()

Ans:– B ,


Which of the following input/output devices is not associated with personal computers?
Options: mice,    color monitors,    punched cards,    dot-matrix printers

Ans:C,C


Table is synonymous with the term:
Options: record.,    relation.,    column.,    field.

Ans:B ,B


. Which of the following statements about option group is incorrect?
Options: a. It is a control object. b. It is bound to two fields. c. It is a control to identify a choice. d. It contains a set of controls representing choices.

Ans:– b,– b


. A ________ is a unit of information in a ________
Options: a. record, field b. field, record c. data source, field d. record, data source

Ans:– b,– b


. Which tool is used to generate printout of a table’s structure?
Options: a. Analyzer b. Designer c. Documenter d. Generator

Ans:– c,– c


Credit checking is done in the
Options: order processing system,    quotation system,    order entry system,    any of the above

Ans:C ,C


.   Which of the following best describes serifs?
Options: a. Serifs on characters help to differentiate between similar looking letters b. Serifs fonts are best for viewing test at a distance c. Serifs are fine cross strokes that appear at the bottom and top of a letter d. Serif font are very simple in appearance

Ans:0 – C ,0 – C


What happens if you edited an image inserted in PowerPoint
Options: a. The original file that was inserted is not changed b. The original file that was inserted is changed c. The original file is changed when you save presentation d. None of above

Ans: – A , – A


Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff?
Options: 20 Ohm,    30 Ohm,    10 Ohm,    100 Ohm

Ans:A ,A


What is the significance of the J and K terminals on the J-K flip-flop?
Options: There is no known significance in their designations.,    The J represents "jump," which is how the Q output reacts whenever the clock goes HIGH and the J input is also HIGH.,    The letters represent the initials of Johnson and King, the co-inventors of the J-K flip-flop.,    All of the other letters of the alphabet are already in use.

Ans:A ,A


. What type of relationship is created when you select a primary key in both related tables?
Options: a. One-To-One b. Indeterminate c. One-To-Many d. Many-To-Many

Ans:7 – a ,7 – a


Which WLAN IEEE specification allows up to 54Mbps at 2.4GHz?
Options: A,    B,    G,    N

Ans:C ,C


What action will correct patchy, faint, uneven or intermittent print on a dot matrix printer?
Options: Replacing the ribbon,    Replacing the timing belt,    Adjusting the paper feed tension,    Adjusting the tractor feed tension

Ans:A ,A


Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91?
Options: 200 W,    1000 W,    20 W,    100 W

Ans:A ,A


The ls -l command tells
Options: who the owner of the file is,    the name of the group owner of the file,    how large the file is and when the file was last modified.,    All of the above

Ans:D ,D


Which of the following in true regarding Null Value?
Options: Null = 0 B. Null < 0 C. Null > 0 D. Null <> 0

Ans:– D ,


Point out the error in the program #include<stdio.h> int main() { int a=10; void f(); a = f(); printf("%d\n", a); return 0; } void f() { printf("Hi"); }
Options: Error: Not allowed assignment,    Error: Doesn't print anything,    No error,    None of above

Ans:A ,A


. The shortcut keys for the _____ character formatting are ctrl+ shift+ plus sign.
Options: a. case of letters b. underline words, not spaces c. superscript d. all capital letters

Ans: – C , – C


You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
Options: replace run start,    copy run start,    copy start run,    reload

Ans:D ,D


. A kind of serial dot-matrix printer that forms characters with magnetically-charged ink sprayed dots is called
Options: A) Laser printer B) Ink-jet printer C) Drum printer D) Chan printer

Ans:B,B


Which of the following is false about disk when compared to main memory?
Options: non-volatile,    longer storage capacity,    lower price per bit,    faster

Ans:D ,D


You telnet into a remote device and type debug ip rip, but no output from the debug command is seen. What could the problem be?
Options: You must type the show ip rip command first.,    IP addressing on the network is incorrect.,    You must use the terminal monitor command.,    Debug output is sent only to the console.

Ans:C ,C


. How do you change column width to fit the contents?
Options: a. Single-click the boundary to the left to the column heading b. Double click the boundary to the right of the column heading c. Press Alt and single click anywhere in the column d. All of above

Ans:– b,– b


What sign is used to back up over typing errors in vi?
Options: !,    $,    #,    @

Ans:C ,C


In order to use a record management system
Options: You need to understand the low-level details of how information in stored,    You need to understand the model the record management system uses.,    Both (a) and (b),    All of the above

Ans:B ,B


A device is said to be _____ when it is accessible to, or under the control of, the processor
Options: people,    icons,    information system,    on-line

Ans:D ,D


. In Microsoft windows, the graphical pattern on the desktop used as background for windows is
Options: a. Icons b. Wall paper c. Picture d. Background

Ans:0 – b ,0 – b


45. Which of the following command is not available in Tools menu?
Options: a. Auto text b. Autocorrect c. Auto summarize d. Macro

Ans:– A ,– A


Binary numbers need more places for counting because:
Options: 0's and 1's can be added in front of them,    0's and 1's have to be properly placed,    They are always big numbers,    Binary base is small

Ans:D ,D


How many worksheets can a workbook have?
Options: 3 B. 8 C. 255 D. none of above

Ans:– D ,


An MIS can be developed by
Options: a fire department,    a college testing service,    an ocean transportation company,    All of the above

Ans:D ,D


What component would most likely cause a "parity error"?
Options: bad hard disk,    bad controller,    bad RAM,    bad software

Ans:C ,C


Which of the following is not used for storage purposes with main frame computers?
Options: removable disks,    fixed disks,    mass storage systems,    diskettes

Ans:D ,D


Which button do you click to add up a series of numbers?
Options: a. The autosum button b. The Formula button c. The quicktotal button d. The total button

Ans:#8211; a,#8211; a


. You can edit existing Excel data by pressing the
Options: a. F1 key b. F2 key c. F3 key d. F4 key

Ans:– b,– b


What operates in the Data Link and the Network layer?
Options: NIC,    Bridge,    Brouter,    Router

Ans:C ,C


In LISP, the function (endp <list>)
Options: returns a new list that is equal to <list> by copying the top-level element of <list>,    returns the length of <list>,    returns t if <list> is empty.,    All of the above

Ans:C ,C


Which is a non-standard version of a computing language?
Options: PROLOG,    APL,    Army,    PL/1

Ans:C,(Canswer


Large computer system typically uses:
Options: Line printers,    Ink-jet printers,    Dot-matrix printers,    Daisy wheel printers

Ans:A ,A


. Which of the following registers is loaded with the contents of the memory location pointed by the PC?
Options: A) Memory address registers B) Memory data registers C) Instruction register D) Program counter

Ans:C,C


An operational system is which of the following?
Options: A system that is used to run the business in real time and is based on historical data.,    A system that is used to run the business in real time and is based on current data.,    A system that is used to support decision making and is based on current data.,    A system that is used to support decision making and is based on historical data.

Ans:B ,B


What is the name given to the weapons which use computerised guidance system?
Options: Guided weapons,    Smart weapons,    Dumb weapons,    Starwars weapons

Ans:B,Smart weapons


The location of some system configuration and system administrator executable files, is:
Options: /home,    /proc,    /var,    /sbin

Ans:D ,D


Report generators are used to 
Options: a. store data input by a user b. retrieve information from files c. answer queries d. both b and c

Ans:.d,.d


Advantage(s) of using assembly language rather than machine language is/are:
Options: It is mnemonic and easy to read,    Addresses any symbolic, not absolute,    Introduction of data to program is easier,    All of the above

Ans:D ,D


Which of the following is true concerning the standard network protocol for connecting a client to a Web or database server via the Internet?
Options: Both TCP and IP are needed.,    TCP is needed but IP is not needed.,    TCP is not needed but IP is needed.,    Neither TCP and IP are needed.

Ans:A ,A


The activity of a file
Options: is a low percentages of number of records added or deleted from a file,    if high, reduces processing efficiency for sequential and nonsequential files,    is a measure of the percentage of existing records updated during a run,    refers to how closely the files fits into the allocated

Ans:A ,A


Which one of the following is the first second-generation computer?
Options: IBM 7090,    IBM 801,    IBM 7070,    IBM 650

Ans:A ,A


A supertype/subtype hierarchy is which of the following?
Options: Each subtype has only one attribute.,    Each supertype has only one attribute.,    Each subtype has only one supertype.,    Each supertype has only one subtype.

Ans:C ,C

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