IT OFFICER QUIZ

1.    The____directory is mandatory for every disk.

(1) Root

(2) Base

(3) Sub

(4) Case

(5) None of these

2.     Data are ________ in client/server computing.

(1) never sent to the client machine

 (2) sent in very large sections to save processing time

(3) sent only upon the clients request

(4) sent in complete copies for the client to filter and sort

(5) sent from the client to the server for processing

3.    This is a group of servers that share work and may be able to back each other up if one server fails.
(1) Channel bank

(2) Cluster

(3) Tiger Team

(4) Server less backup

(5) Logical unit

4.    Which error detection method uses 1's complement arithmetic?
(1) Checksum

(2) Simply parity check

(3) Two-dimensional parity check

(4) CRC

(5) None of these

5.    The _____ states that a foreign key must either match a primary key value in another relation or it must be null.
(1) entity integrity rule

(2) referential integrity constraint

(3) action assertion

(4) composite attribute

(5) None of these

6.    An applet __________

(1) is an interpreted program that runs on the cliet

(2) tracks the number of visitors to a Website

(3) is a compiled program that usually runs on the client

(4) collects data from visitors to a website

(5) None of these

7.    A result of a computer virus can not lead to ___
(1) Disk Crash

(2) Mother Board Crash

(3) Corruption of program

(4) Deletion of files

(5) None of these

8.    The network interface card of LAN is related to following layer ofOSI Model-
(1) Transport

(2) Network

(3) Data Link

(4) Physical

(5) (3) & (4) both

9.     Which of the following does not describe a data warehouse?
(1) Subject-oriented

(2) Integrated

(3) Time-variant

(4) Updateable

(5) None of these

10.  Which of the following is true?

(1) Logical design is software-dependent

(2) In a distributed database, database is stored in one physical location

(3) Conceptual design translates the logical design into internal model

(4) Logical design is software independent

(5) None of these

11.  A range check ____

(1) ensures that only the correct data type is entered into a field

(2) verifies that all required data is present

(3) Determines whether a number is within a specified limit

(4) tests if the data in two more associated field is logical

(5) None of these

12.   The total set of interlinked hypertext documents worldwide is
(1) HTTP

(2) Browser

(3) WWW

(4) B2B

(5) None of thsese

13.  With the object-oriented (OO) approach, an object encapsulates, or____  a programmer.

(1) carries out the details of an object for

(2) hides, the details of an object from

(3) reveals , the details of an object to

(4) extends, the details of an object beyond

(5) None of these

14.   Every computer connected to an intranet or extranet must have a distinct_____
(1) firewall

(2) proxy server

(3) IP address

(4) domain name

(5) None of these

15.  A table of bits in which each row represents the distinct valuesof a key?
(1) Join index

(2) Bitmap index

(3) B+ Tree

(4) Hierarchical index

(5) None of these

16.  The degree of detail that should be incorporated into a database depends on what?
(1) Data integrity

(2) The type of database

(3) The use’s perspective

(4) The business practices and polices

(5) None of these

17.  Which one is NOT shared by the threads of the same process?
(1) Message Queue

(2) Address Space

(3) Stack

(4) Database

(6) None of these

18.  The updating of master files to reflect the effects of current transactions is called?
(1) Direct processing

(2) File processing

(3) Flow chart

(4) Front-end Processor

(5) None of these

19.  One or more operations performed on data to achieve a desired objective is called?
(1) Database

(2) Data processing

(3) Data collection

(4) Data communication

(5) None of these

20.  MSI stands for

(1) Medium Scale Integrated Circuits

(2) Medium System Integrated Circuits

(3) Medium Scale Intelligent Circuit

(4) Medium System Intelligent Circuit

(5) None of these

ANSWER:

1.	(1)	11.	(3)
2.	(3)	12.	(3)
3.	(2)	13.	(2)
4.	(1)	14.	(3)
5.	(1)	15.	(2)
6.	(3)	16.	(2)
7.	(2)	17.	(3)
8.	(5)	18.	(2)
9.	(4)	19.	(2)
10.	(1)	20.	(1)