Database Administration Questions


Q:

Crack the code?

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Answer

STARTLING is a required 9 letter English word is still a word each time you remove a letter from the word. And how it is shown below: 


 


1. Remove the L, and the word becomes: STARTING


2. Remove one T, and the word becomes: STARING


3. Remove the A, and the word becomes: STRING


4. Remove the R, and the word becomes: STING


5. Remove the other T, and the word becomes: SING


6. Remove the G, and the word becomes: SIN


7. Remove the S, and the word becomes: IN


8. Remove the N, and the word becomes: I

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5 3561
Q:

Visible light has a higher frequency than

A) Radio waves B) X rays
C) Ultra violet D) All the above
 
Answer & Explanation Answer: A) Radio waves

Explanation:

Radio waves have much longer wavelengths and lower frequencies than do visible light waves. In contrast, X-rays have much shorter wavelengths and higher frequencies. 

Ultraviolet Light (UV). part of the electromagnetic spectrum that consists of waves with frequencies higher than those of visible light and lower than those of x-rays.

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Q:

A Transparent DBMS

A) Keep its logical structure hidden from users B) Can access control
C) Keeps its physical structure hidden from users D) Can not hide sensitive information from users
 
Answer & Explanation Answer: C) Keeps its physical structure hidden from users

Explanation:

DBMS :: Database Managemet System.

A DBMS which keeps its physical structure hidden from the user is known as a transparent DBMS.

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2 3543
Q:

How fast do satellites orbit the earth?

A) 28,000 kmph B) 26,000 kmph
C) 17,500 kmph D) 22,500 kmph
 
Answer & Explanation Answer: A) 28,000 kmph

Explanation:

Satellites orbit the earth at a speed of 28,000 kmph.

Satellites that are further away actually travel slower. The International Space Station has a Low Earth Orbit, about 400 kilometers (250 miles) above the earth's surface. Objects orbiting at that altitude travel about 28,000 kilometers per hour (17,500 miles per hour).

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5 3527
Q:

Which of the following is system software?

A) MS Paint B) MS Excel
C) MS Word D) MS Windows
 
Answer & Explanation Answer: D) MS Windows

Explanation:

We know that, the collection of programs which performs specific tasks in a computer is called as software. Software in a computer is of two types. They are :

 

1. Aplication Software

2. System Software

 

System software is a computer program that performs the basic functionaility of a computer i.e, running a systems hardware and applications like loading programs, saving data, displaying, etc...

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2 3526
Q:

Is MS Word an operating system?

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

Explanation:

False. MS-Word is not an Operating system.


 


Microsoft Word or MS-Word is an Application software developed by the company Microsoft. It allows users to Type and Save documents.

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2 3526
Q:

'Barren Island' which is the only active volcano in India is situated in?

A) Rajasthan B) Andaman-Nicobar
C) Chattisgarh D) Lakshadweep
 
Answer & Explanation Answer: B) Andaman-Nicobar

Explanation:

The only active volcano in India is situated in Andaman-Nicobar islands.

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2 3503
Q:

Is rusting a physical or chemical change?

Answer

In chemistry rusting is called as oxidation. Oxidation is a chemical process where metal gains oxygen and become oxide. In rusting the Iron ore make a chemical reaction with the oxygen in the presence of water and environmental or atmospheric moisture to produce an Iron oxide. Iron oxide is otherwise called as rust.


The rusting of iron is a chemical change because it is two substances reacting together to make a new substance. 


 


Rusting would only be a physical change if iron molecules remained pure iron throughout the process.

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