Database Administration Questions


Q:

How many bits are in a MAC address?

A) 64 B) 48
C) 32 D) 16
 
Answer & Explanation Answer: B) 48

Explanation:

MAC - Media Access Control, address is a globally unique identifier assigned to network devices, and therefore it is often referred to as hardware or physical address.

 

MAC addresses are 6-byte (48-bits) in length, and are written in MM:MM:MM:SS:SS:SS format.

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Q:

Here are some words translated from an artificial language.

briftamint means 'militant'
uftonel means 'occupied'
uftonalene means 'occupation'

Which word could mean "Occupant"?

A) elamint B) briftalene
C) uftonamint D) elbrifta
 
Answer & Explanation Answer: C) uftonamint

Explanation:

Brift means the root word mili; the suffix amint means the same as the English suffix –tant; the root word ufton– means occupy; el means the suffix –ied of occupied; and alene means the suffix –tion. (Because ufton means occupy, choices a, b, and d can be easily ruled out.)

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Q:

You cannot link excel worksheet data to a word document

A) With a hyperlink B) With the copy and paste buttons on the standard toolbar
C) With the right drag method D) With the copy and paste special commands
 
Answer & Explanation Answer: B) With the copy and paste buttons on the standard toolbar

Explanation:

You cannot link excel worksheet data to a word document With the copy and paste buttons on the standard toolbar.

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Q:

Which Indian personality received Carnot Prize for Power Reforms, Rural Electrification?

A) Piyush Goyal B) Arun Jaitley
C) Amit Khare D) Ravi Shankar Prasad
 
Answer & Explanation Answer: A) Piyush Goyal

Explanation:

Piyush Vedprakash Goyal is the Indian personality received Carnot Prize for Power Reforms, Rural Electrification. He is an Indian politician and the current minister of Railways, Coal in the Government of India.

Indian_personality_received_Carnot_Prize_for_Power_Reforms,_Rural_Electrification1549088433.jpg image

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Q:

How to call a constructor in java?

Answer

Constructor chaining is the process of calling one constructor from another constructor with respect to current object.





Within same class: It can be done using this() keyword for constructors in same class


From base class: by using super() keyword to call constructor from the base class.

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Q:

CTRL + ] is used for

A) Re-do B) Right align text
C) Increase in font size D) Expand or collapse the ribbon
 
Answer & Explanation Answer: C) Increase in font size

Explanation:

CTRL + ] is a computer shortcut and is used for Increase in font size.

 

Shortcuts :

Re-do ---- Ctrl + Y

Right align text ---- Ctrl + R

Expand or collapse the ribbon ---- Ctrl + F1

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Q:

What is the purpose of SQL Profiler in SQL server?

Answer

SQL profiler is a tool to monitor performance of various stored procedures. It is used to debug the queries and procedures. Based on performance, it identifies the slow executing queries. Capture any problems by capturing the events on production environment so that they can be solved.

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Q:

What is 16 bit?

Answer

Anything larger and the computer would need to break the number into smaller pieces.


 


16-bit is a computer hardware device or software program capable of transferring 16 bits of data at a time.


Today, 16-bit hardware and software has been replaced by 32-bit and 64-bit alternatives, which give the computer more memory to work with; increasing overall performance.


 


For example, early computer processors (e.g., 8088 and 80286) were 16-bit processors, meaning they were capable of working with 16-bit binary numbers (decimal number up to 65,535).

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