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Q:

What does inheriatance allows you to do?

A) create a class B) access methods
C) create a hierarchy of classes D) None of the mentioned
 
Answer & Explanation Answer: C) create a hierarchy of classes

Explanation:
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Filed Under: C++

1 3760
Q:

Can you explain how to insert an image in table in oracle?

Answer

Insert image into a table


Create the following table:


      create table pics_table (


      bfile_id number,


      bfile_desc varchar2(30),


      bfile_loc bfile,


      bfile_type varchar2(4))


      TABLESPACE appl_data


      storage (initial 1m next 1m pctincrease 0) 


Insert Query:


      INSERT INTO pics_table


      VALUES(4,'test image',bfilename('GIF_FILES','Test.JPG'),'JPEG'); 

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Subject: Oracle

2 3759
Q:

Explain When is Marshalling not necessary?

Answer

Marshalling is the process of packaging and sending interface method parameters across thread, process or machine boundaries.


It is not necessary when the client and the server are on the same computer.

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Subject: Microsoft Interview

2 3758
Q:

How would you automatically transfer your visitors to a new web page?

Answer

- You can do it with the help of meta tag mentioned below: 


<META HTTP-EQUIV="Refresh" CONTENT="2"; URL="https://www.yourname.com"> 


- Place this tag between <HEAD></HEAD> . 


- It will load yousite.com in 2 seconds.

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Subject: Web Technology

1 3754
Q:

How to write Regression test cases? What are the criteria?

Answer

Regression test cases are also based on the requirement documents. They are written more into detail and with every release (build), the testers need to do regression testing. The criteria for regression testing are; there should be no major defects while we do our smoke test and functional testing.

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Subject: QA Testing

0 3752
Q:

Write SQL Query to find second highest salary of Employee.

Answer

There are many ways to find second highest salary of Employee in SQL, you can either use SQL Join or Subquery to solve this problem. Here is SQL query using Subquery :


SELECT MAX(Salary) from Employee WHERE Salary NOT IN (select MAX(Salary) FROM Employee );

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Subject: SQL

2 3752
Q:

Explain storage qualifiers in C++

Answer

i.) Const - This variable means that if the memory is initialised once, it should not be altered by a program. 


ii.) Volatile - This variable means that the value in the memory location can be altered even though nothing in the program code modifies the contents. 


iii.) Mutable - This variable means that a particular member of a structure or class can be altered even if a particular structure variable, class, or class member function is constant.

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Subject: C++

1 3749
Q:

How are ip addresses available to the internet classified?

A) Static B) Public
C) Private D) None of the above
 
Answer & Explanation Answer: B) Public

Explanation:

An IP address (internet protocol address) is a numerical representation that uniquely identifies a specific interface on the network. Addresses in IPv4 are 32-bits long. This allows for a maximum of 4,294,967,296 (2^32) unique addresses. Addresses in IPv6 are 128-bits, which allows for 3.4 x 1038 (2^128) unique addresses.

 

IP addresses available to the internet are classified as Public.

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Filed Under: Network Administration
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