Which of the following IP address class is Multicast

Options: Class A B. Class B C. Class C D. Class D

Ans:– D ,

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More Computer Networks Related questions:

Topically, how many type III PC cards can you insert in a laptop
Options: 1,    2,    3,    4

Ans:A ,A

Ethernet and Token-Ring are the two most commonly used network architectures in the world. Jim has heard of the different topologies for networks and wants to choose the architecture that will provide him with the most options. Which of the following would that be? Choose the most correct answer.
Options: Token-Ring because it currently can run at both 4Mbps and 16Mbps. This means that it can be used in any topology,    Ethernet, because it is cabled using fiber-optic cable,    Token-Ring, because it uses a MAU,    Ethernet, because it can be set up with most topologies and can use multiple transfer speeds

Ans:D ,D

PROLOG is an AI programming language which solves problems with a form of symbolic logic known as predicate calculus. It was developed in 1972 at the University of Marseilles by a team of specialists. Can you name the person who headed this team?
Options: Alain Colmerauer,    Nicklaus Wirth,    Seymour Papert,    John McCarthy

Ans:A ,A

. A __ name must be unique within a database
Options: a. Table b. Field c. Record d. Character

Ans:5 – a ,5 – a

A factor which would strongly influence a businessperson to adopt a computer is its:
Options: Accuracy,    Reliability,    Speed,    All of the above

Ans:D ,D

How many operations per second can perform by a modern fast mainframe digital computer.
Options: 1000,    100,000,    10,00,000,    1,00,00,00,000

Ans:D ,D

. A summary query can be created by adding which row to the design grid of a select query?
Options: a. Arguments b. Group c. Summary d. Total

Ans:5 – d ,5 – d

. Which menu option can be used to split windows into two?
Options: a. Format -> Window b. View -> Window-> Split c. Window -> Split d. View –> Split

Ans:– c,– c

Business Intelligence (BI) reporting systems cannot do which of the following operations?
Options: Filter data,    Group data,    Modify data,    Both filter and group data

Ans:C ,C

The DROP TABLE statement:
Options: deletes the table structure only.,    deletes the table structure along with the table data.,    works whether or not referential integrity constraints would be violated.,    is not an SQL statement.

Ans:B ,B

. After creating the table which of the following is correct?
Options: a. Fields cannot be added b. Fields cannot be deleted c. Fields can added but only once d. Fields can added and deleted as needed

Ans:– d,– d

Which gate only sends one through if neither of its terminals receives a pulse.
Options: NOT,    NOR,    OR,    NAND

Ans:B ,B

You can use the horizontal and vertical scroll bars to
Options: a. Split a worksheet into two panes b. View different rows and columns edit the contents of a cell c. Edit the contents of a cell d. view different worksheets

Ans:#8211; b,#8211; b

A variable that has no physical meaning and is used to obtain an initial basic feasible solution to a linear programming problem is known as:
Options: basis,    algorithm,    artificial variable,    basic variable

Ans:D ,D

Machine language is
Options: A) Machine dependent B) Difficult to program C) Error prone D) All of above


After coding a document into a digital signal, it can be sent by telephone, telex or satellite to the receiver where the signal is decoded and an exact copy of the original document is made. What is it called?
Options: Telex,    Word processor,    Facsimile,    Electronic mail

Ans:C ,C

8. Which type of command in DOS needs additional files for their execution?
Options: a. Internal commands b. External commands c. Batch commands d. Redirectors

Ans:Correct Answer: b,Correct Answer: b

. Which of the following is not an output device?

Options: A) Portable Projector B) Printer C) Flat Screen D) Touch Screen


The code that should be adequate for present and anticipated data processing both for machine and human use is
Options: Conciseness,    Uniqueness,    Operability,    All of the above

Ans:C ,C

What is the maximum distance with maximum data rate for 802.11g?
Options: About 65-75 feet,    About 90-100 feet,    About 150 feet,    Over 200 feet

Ans:B ,B

A report generator is used to
Options: update files,    print files on paper,    data entry,    All of the above

Ans:B ,B

. ….system is built directly on the hardware
Options: a. Environment b. System c. Operating d. None

Ans:1 – c ,1 – c

Which is the most difficult environmentally to dispose of?
Options: floppy drives,    hard drives,    power supplies,    CRTs

Ans:D ,D

. Which of the following is not a database application?
Options: a. dBase b. Flash c. FoxPro d. Access

Ans:– b,– b

. Formatting a cell in Currency, you can specify
Options: a. Decimal Places b. Currency Symbol c. Both of above d. None of above

Ans:– c,– c

An information system that supplies information specifically to aid managers with decision-making responsibilities is called a
Options: DBMS,    MIS,    DSS,    DBA

Ans:B ,B

Identify false statement
Options: a. You can find deleted files in recycle bin b. You can restore any files in recycle bin if you ever need c. You can increase free spaceof disk by sending files in recycle bin d. You can right click and choose Empty Recycle Bin to clean it at once


When was the X Window System born?
Options: 1984,    1989,    1988,    1990


The primary memory of a personal computer consists of:
Options: ROM only,    RAM only,    Both ROM and RAM,    Memory module

Ans:C ,C

A logical schema
Options: is the entire database,    is a standard way of organizing information into accessible parts,    describes how data is actually stored on disk,    All of the above

Ans:B ,B

Subschema can be used to
Options: create very different, personalized views of the same data,    present information in different formats,    hide sensitive information by omitting fields from the sub¬schema's description,    All of the above

Ans:D ,D

. Which of the following operating system does not implement the multitasking truly?
Options: a. Windows 98 b. Windows NT c. Windows XP d. MS DOS

Ans: d, d

What types of installations require a special boot disk?
Options: NFS,    FTP,    PCMCIA,    All of the above

Ans:D ,D

  Which is the shortcut key to jump to the first slide of the presentation? A.  Home B.  Alt + Home C.  Ctrl + Home D.  Shift + Home

Ans:– C ,

What causes the depletion layer?
Options: Doping,    Recombination,    Barrier potential,    Ions

Ans:C ,C

Which of the following produces the best quality graphics reproduction?
Options: A) Laser printer B) Ink jet printer C) Plotter D) Dot matrix printer


You get a call from a network administrator who tells you that he typed the following into his router: Router(config)#router ospf 1 Router(config-router)#network area 0 He tells you he still can't see any routes in the routing table. What configuration error did the administrator make?
Options: The wildcard mask is incorrect.,    The OSPF area is wrong.,    The OSPF Process ID is incorrect.,    The AS configuration is wrong.

Ans:A ,A

.Arrays are best data structures
Options: A)for relatively permanent collections of data b.for the size of the structure and the data in the structure are constantly changing c.for both of above situation d.for none of above situation


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 two of the following are true regarding the distance-vector and link-state routing protocols? Link state sends its complete routing table out all active interfaces on periodic time intervals. Distance vector sends its complete routing table out all active interfaces on periodic time intervals. Link state sends updates containing the state of its own links to all routers in the internetwork. Distance vector sends updates containing the state of its own links to all routers in the internetwork.
Options: 1 only,    3 only,    2 and 3 only,    None of the above

Ans:C ,C

How can you apply exactly the same formatting you did to another text?
Options: a. Copy the text and paste in new location. Then type the new text again. b. Copy the text and click on Paste Special tool on new place c. Select the text then click on Format Painter and select the new text d. All of above

Ans:– C,– C

The essential features of a number system are
Options: Radix,    Set of distinct counting digits,    bits,    Both (a) & (b)

Ans:D ,D

. To draw the Square box in the slide by selecting rectangle tool
Options: a. Holding CTRL & Draw b. Holding ALT & Draw c. Holding SHIFT & Draw d. All of the above

Ans:6 – C ,6 – C

In a network with dozens of switches, how many root bridges would you have?
Options: 1,    2,    5,    12

Ans:A ,A

The Operating system manages
Options: Memory,    Processor,    Disks and I/O devices,    All of the above

Ans:D ,D

Assume integer is 2 bytes wide. How many bytes will be allocated for the following code? #include<stdio.h> #include<stdlib.h> #define MAXROW 3 #define MAXCOL 4 int main() { int (*p)[MAXCOL]; p = (int (*) [MAXCOL])malloc(MAXROW *sizeof(*p)); return 0; }
Options: 56 bytes,    128 bytes,    24 bytes,    12 bytes

Ans:C ,C

. For what Antikyathera was used?
Options: A) For counting B) For Calculating tax collection C) For calculating astronomical positions D) For calculating firing weapons


What command is used to list contents of directories?
Options: tar,    dir,    lp,    ls

Ans:D ,D

Output segments of AI programming contain(s)
Options: printed language and synthesized speech,    Manipulation of physical object,    Locomotion,    All of the above

Ans:D ,D

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