Interview Questions

Q:

Describe Android Application Architecture.

Answer

Android Application Architecture has the following components:
* Services – like Network Operation
* Intent - To perform inter-communication between activities or services
* Resource Externalization - such as strings and graphics
* Notification signaling users - light, sound, icon, notification, dialog etc.
* Content Providers - They share data between applications

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Q:

What are the different models used in cluster analysis?

Answer

There are many algorithms that can be used to analyze the database to check the maintenance of all the data sets that are already present. The different types of cluster models include as follows:


- Connectivity models: these are the models that connect one cluster to another cluster. This includes the example of hierarchical clustering that is based on the distance connectivity of one model to another model. 


- Centroid models: these are the models that are used to find the clusters using the single mean vector. It includes the example of k-means algorithm.


- Distribution models: it includes the specification of the models that are statistically distributed for example multivariate normal distribution model.


- Density models: deals with the clusters that are densely connected with one another in the regions having the data space. 


- Group models: specifies the model that doesn’t provide the refined model for the output and just gives the grouping information

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Q:

Why are you looking for a New job?

Answer

Why Are You Looking For A New Job?

Purpose - This question is asked to get some insights into your personality and your relationship with your last job, colleagues and employer. So you should be careful while answering this question.

1. Never bad-mouth your former employers.
Why? It is very simple as the interviewer will envision that you will bad-mouth them when you decide to leave, and nobody wants bad rumors about themselves or their company.

2. Never bad-mouth your previous co-workers.
Why? This world is too small, your co-workers could be a friend, relative of the interviewer.

3. Never bad-mouth about the responsibilities and tasks you performed at your previous job.
Why? Thinking that the new employer would give you great responsibilities and tasks and if you give a hate speech on the previous job responsibilities and activities and to your surprise if your interviewer is thinking about similar tasks for this position, you have already given a reason to quit the new job which you have not yet got. So guess, the chances of you getting the job is Nil.

Keep the answer short and try not to disclose too much. A straight answer is best and as stated above avoid negative statements about yourself, your work, or your ability to get along with others.

E.g.
My organization was forced to downsize.

Our department was eliminated due to corporate restructuring.

I am looking for a bigger challenge and to grow my career.

I am relocating to this area due to family ( Marriage, Kids Education etc...)

I received degree and want to utilize my new skills in this new position.

I am interested in a job with more responsibility and challenges.

I am seeking a position with a stable company with room for growth and opportunity for advancement.

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Q:

What is Bit Mapped Index?

Answer

Bitmap indexes make use of bit arrays (bitmaps) to answer queries by performing bitwise logical operations.


Bitmap indexes are useful in the data warehousing applications.


Bitmap indexes have a significant space and performance advantage over other structures for such data.


Tables that have less number of insert or update operations can be good candidates.


The advantages of Bitmap indexes are:


   - They have a highly compressed structure, making them fast to read.


   - Their structure makes it possible for the system to combine multiple indexes together so that they can      access the underlying table faster.


The Disadvantage of Bitmap indexes is:


  - The overhead on maintaining them is enormous. 

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Q:

Define cursor attributes: %FOUND, %NOTFOUND, %ROWCOUNT, and %ISOPEN

Answer

- %FOUND


 This is a Boolean variable which evaluates to TRUE if the last row is successfully fetched.


 


- %NOTFOUND


 This is a Boolean variable which evaluates to TRUE if the last row is not successfully fetched. This means there are no more rows to fetch.


 


- %ROWCOUNT


 Returns the number of rows fetched by the cursor.


 


- %ISOPEN


If the cursor is open, it evaluates to TRUE else FALSE.

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Subject: Oracle

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Q:

How can you deploy an ASP.NET Web application?

Answer

You can deploy an ASP.NET Web application using either the Windows Installer deployment or ClickOnce deployment technique.

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Subject: .NET

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Q:

Which one of the following is not a 'Money Market Instrument'?

A) Commercial Paper B) Equity Shares
C) Certificate of Deposit D) Treasury Bills
 
Answer & Explanation Answer: B) Equity Shares

Explanation:

Money market instruments are debt securities that generally give the owner the unconditional right to receive a stated, fixed sum of money on a specified date.


There are several money market instruments in most Western countries, including treasury bills, commercial paper, bankers' acceptances, deposits, certificates of deposit, bills of exchange, repurchase agreements, federal funds, and short-lived mortgage- and asset-backed securities.

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Filed Under: Accounts Receivable
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

When would you use the ping command with the "-t" switch?

Answer

to get the ping back from other computer with no packet loss

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