What is the use of Ping command?


Options: To test a device on the network is reachable B. To test a hard disk fault C. To test a bug in a Application D. To test a Pinter Quality

Ans:– A ,






More Computer Networks Related questions:


The Corporate router receives an IP packet with a source IP address of 192.168.214.20 and a destination address of 192.168.22.3. Looking at the output from the Corporate router, what will the router do with this packet? Corp#sh ip route [output cut] R 192.168.215.0 [120/2] via 192.168.20.2, 00:00:23, Serial0/0 R 192.168.115.0 [120/1] via 192.168.20.2, 00:00:23, Serial0/0 R 192.168.30.0 [120/1] via 192.168.20.2, 00:00:23, Serial0/0 C 192.168.20.0 is directly connected, Serial0/0 C 192.168.214.0 is directly connected, FastEthernet0/0
Options: The packet will be discarded.,    The packet will be routed out the S0/0 interface.,    The router will broadcast looking for the destination.,    The packet will be routed out the Fa0/0 interface.

Ans:A ,A


Point out the error in the program? typedef struct data mystruct; struct data { int x; mystruct *b; };
Options: Error: in structure declaration,    Linker Error,    No Error,    None of above

Ans:C ,C


. A kind of scanner MICR is the short form of
Options: A) Magnetic Ink Character Reader B) Magnetic Ink Code Reader C) Magnetic Ink Cases Reader D) None

Ans:A,A


. ENIAC uses
Options: A) Decimal Numbering System B) Octal Numbering System C) Binary Numbering System D) Hexadecial Numbering System

Ans:A,A


. Find out who is not the inventor of transistors among following names
Options: A) John Burdeen B) William Shockley C) Walter Brattain D) Lee de Forest

Ans:5-D,5-D


. From where can we set the timing for each object?
Options: a. slide show, custom transition b. Slide show, Slide transition c. slide show, custom animation d. view, slide sorter

Ans:1 – C ,1 – C


A part located in the central processing unit that stores data & information is known as
Options: Core memory,    PROM,    EPROM,    ROM

Ans:A ,A


How many collision domains are created when you segment a network with a 12-port switch?
Options: 1,    2,    5,    12

Ans:D ,D


.   Which option can be used to create a new slide show with the current slides but presented in a different order
Options: a. Rehearsal b. Custom slider show c. Slide show setup d. Slide show view

Ans:8 – B ,8 – B


Which JDBC driver Type(s) can be used in either applet or servlet code?
Options: Both Type 1 and Type 2,    Both Type 1 and Type 3,    Both Type 3 and Type 4,    Type 4 only

Ans:C ,C


. Which part of the computer is used for calculating and comparing?
Options: A) Disk unit B) Control unit C) ALU D) Modem

Ans:C,C


What would be the equivalent pointer expression for referring the array element a[i][j][k][l]
Options: ((((a+i)+j)+k)+l),    *(*(*(*(a+i)+j)+k)+l),    (((a+i)+j)+k+l),    ((a+i)+j+k+l)

Ans:B ,B


When was the world's first laptop computer introduced in the market and by whom?
Options: Hewlett-Packard, 1980,    Epson, 1981,    Laplink Travelling Software Inc, 1982.,    Tandy Model-200, 1985

Ans:B ,B


Which of the following function is correct that finds the length of a string?
Options: int xstrlen(char *s) { int length=0; while(*s!='\0') { length++; s++; } return (length); } ,    int xstrlen(char s) { int length=0; while(*s!='\0') length++; s++; return (length); } ,    int xstrlen(char *s) { int length=0; while(*s!='\0') length++; return (length); } ,    int xstrlen(char *s) { int length=0; while(*s!='\0') s++; return (length); }

Ans:A ,A


The rule(s) to follow in constructing decision tables is (are):
Options: a decision should be given a name,    the logic of the table is independent of the sequence in which conditions rules are written, but the action takes place in the order is which the events occur.,    standardized language must be used consistently.,    All of the above

Ans:D ,D


An inventory management system should answer the questions
Options: what and why,    when and how much,    who and why,    where and when

Ans:B ,B


Your modem does not respond when you try to dial out. You try another modem on another computer and get the same result. What is the most likely problem?
Options: defective modem,    defective computer,    software bug,    bad phone line

Ans:D ,D


Which of the following time will normally be determined by the requirements of the device to which the transfer is being made
Options: Access,    Cycle,    Hold,    Delay

Ans:C ,C


Filename extensions help identify certain files. What filename extension identifies executable files?
Options: INF,    PRO,    EXE,    SYS

Ans:C ,C


The highest level in the hierarchy of data organization is called
Options: a. data bank b. data base c. data file d. data record

Ans:.b,.b


. Driver is
Options: a. Hardware controller b. Hardware and gain controller c. Data controller d. All of above

Ans:9 – a ,9 – a


A laser printer generates a totally black page, what is the cause?
Options: malfunctioning imaging laser,    low level in the toner cartridge,    no power to transfer corona,    no power to the primary corona

Ans:D ,D


SQL is:
Options: a programming language.,    an operating system.,    a data sublanguage.,    a DBMS.

Ans:C ,C


In OLE DB, actions that an object can perform are called:
Options: properties.,    collections.,    methods.,    abstractions.

Ans:C ,C


The _____ command allows you to modify the default prompt to provide other information
Options: prompt,    windows,    cursor,    click

Ans:A ,A


A monitor looks like a TV set but it does not
Options: Receive TV signals,    Give a clear picture,    Give a steady picture,    Display graphics

Ans:A ,A


Which of the following is not logical operator?
Options: &,    &&,    ||,    !

Ans:A ,A


Files created with Lotus 1-2-3 have an extension
Options: a. DOC b. XLS c. 123 d. WK1

Ans:#8211; c,#8211; c


Any data that are entered into the computer, for the first time, will go through the process of
Options: System testing,    Sequential testing,    String testing,    Validation

Ans:D ,D


What command is used to display the top of the file?
Options: grep,    more,    head,    cat

Ans:C ,C


Which of the following statement is correct prototype of the malloc() function in c ?
Options: int* malloc(int);,    char* malloc(char);,    unsigned int* malloc(unsigned int);,    void* malloc(size_t);

Ans:D ,D


. Which of the following is not a term of MS-Excel?
Options: a. Cells b. Rows c. Columns d. Document

Ans:– d,– d


. What is the keyboard shortcut to move to the last records in a table?
Options: a. [Tab] b. [Shift]+[Tab] c. [Ctrl]+Home] d. [Ctrl]+[End]

Ans:0 – d ,0 – d


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

Ans:– c,– c


. How can you show or hide the gridlines in Excel Worksheet?
Options: a.  Go to Tools >> Options >> View tab and mark or remove the check box named Gridline b.  Click Gridline tool on Forms toolbar c.  Both of above d.  None of above

Ans:– c,– c


. Which of the following is not true regarding Conditional Formatting?
Options: a. You can add more than one condition to check b. You can set condition to look for Bold and apply Italics on them. c. You can apply Font, border and pattern formats that meets the specified conditions d. You can delete any condition from Conditional Formatting dialog box if it is not requried

Ans:– b,– 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


Which of the following is an advantage of using an expert system development tool?
Options: imposed structure,    knowledge engineering assistance,    rapid prototyping,    All of the above

Ans:D ,D


. To insert a hyperlink in a slide
Options: a.  Choose Insert >> Hyperlink b.  Press Ctrl + K c.  Hyperlinks can’t be inserted in slides d.  Both a & b

Ans:0 – D ,0 – D


In the system concepts, term Integration
Options: implies structure and order,    refers to the manner in which each component functions with other components of the system.,    means that parts of the computer system depend on one another.,    refers to the holism of systems

Ans:D ,D


A technique used by codes to convert an analog signal into a digital bit stream is known as
Options: A) Pulse code modulation B) Pulse stretcher C) Query processing D) Queue management

Ans:-A,-A


First-in-First-Out (FIFO) scheduling is
Options:  Non Preemptive Scheduling B.  Preemptive Scheduling C.  Fair Share Scheduling D.  Deadline Scheduling

Ans:– A ,


The first mechanical calculating machine was made by
Options: William Oughtred,    Gottfried Leibnitz,    Blaise Pascal,    Charles Babbage

Ans:C ,C


. Which of the following Format supports for Data Type Yes/No?
Options: a. Yes/No b. True/False c. On/Off d. All of Above

Ans:– d,– d


The primary purpose of an operating system is to:
Options: make computer easier to use,    keep system programmers employed,    make the most efficient use of the hardware,    allow people to sue the computers

Ans:A ,A


Which one of the following phrasers best describes flux density?
Options: The concentration of lines of magnetic force,    The rate of change of the number of lines of magnetic force,    The opposition to a build-up of magnetic fields,    The force that maintains lines of force

Ans:A ,A


The minimal set of super key is called
Options: Primary key B. Secondary key C. Candidate key D. Foreign key

Ans:– C ,


The ability of a computer system to remain operational despite various failures is
Options: Relation,    Schema,    Resilience,    Versatility

Ans:C ,C


Which command is used to sort the lines of data in a file in alphabetical order?
Options: sort,    sh,    st,    sort -r

Ans:A ,A


. The category of software most appropriate for controlling the design and layout of complex document like newsletters and brochure is:
Options: a. Word processing b. Computer aided design c. Web page authoring d. Desktop publishing

Ans: d, d

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