Interview Questions

Q:

List out few of the applications that make use of Multilinked Structures?

Answer

Sparse matrix,


Index generation

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Subject: Technology

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Q:

Define what is Six Sigma?

Answer



Six sigma is a data-driven technique and way for eliminating defects in any progress from product to service and from manufacturing to transactional.


 

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Subject: Manufacturing

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Q:

What is Pareto Analysis?

Answer

Pareto analysis is otherwise known as the 80/20 rule. It stipulates that 80%of problems will arise from 20% of causes – that few factors can create big problems.


 

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Q:

What is IP address?

Answer

The internet address( IP address) is 32bits that uniquely and universally defines a host or router on the internet. The portion of the IP address that identifies the network is called netid. The portion of the IP address that identifies the host or router on the network is called hostid.

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Q:

What are joins? Explain its characteristic features .

Answer

Joins are used to combine data of one or more tables. Joins should be used when there is abundant data. Joins can be LEFT, RIGHT, OUTER, INNER or even SELF JOIN. The purpose is to bind data from multiple tables without any receptivity

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Subject: Oracle

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Q:

What is polymorphism?

Answer

It is the ability of an object to behave differently on different situations for the same message.

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Subject: Java

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Q:

How do you decide when to use HashMap and when to use TreeMap ?

Answer

For inserting, deleting, and locating elements in a Map, the HashMap offers the best alternative. If, however, you need to traverse the keys in a sorted order, then TreeMap is your better alternative. Depending upon the size of your collection, it may be faster to add elements to a HashMap, then convert the map to a TreeMap for sorted key traversal.


 

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Subject: Java

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Q:

What is web portal?

Answer

Web portal is a business gateway, It organizes business operations.


Ex: Online shopping portals, Job portals etc...


 

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Subject: Web Technology

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