Technology Questions

Q:

The Internet was launched in 1969 and was originally called ?

A) AARPNET B) CERNET
C) ARPANET D) CERN
 
Answer & Explanation Answer: C) ARPANET

Explanation:

The Internet was originally called Advanced Research Project Agency Network (ARPANET).

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Filed Under: Web Technology
Job Role: Analyst

2 5791
Q:

Which operator is used in catch-all handler?

A) ellipses operator B) ternary operator
C) string operator D) unary operator
 
Answer & Explanation Answer: A) ellipses operator

Explanation:

The ellipses operator can be represented as (…).

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Filed Under: C++

0 5752
Q:

Explain the function of Transmission Control Block

Answer

A TCB is a complex data structure that contains a considerable amount of information about each connection

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Q:

In an AVL tree the balancing is to be done when the pivotal value is in range of

A) greater than 1 and less than -1 B) greater than -1 and less than 1
C) greater than 1 D) less than -1
 
Answer & Explanation Answer: A) greater than 1 and less than -1

Explanation:

Difference between the heights of left and Right subtrees in an AVL tree can never be greater than +1

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Filed Under: C++

0 5699
Q:

What is Oracle Spatial?

Answer

Oracle Spatial, often referred to as spatial, provides a SQL schema and functions that facilitate the storage, retrieval, update, and query of collections of spatial features in an Oracle database. Oracle Spatial is designed to make spatial data management easier and more natural to users of location-enabled applications and geographic information system (GIS) applications. Once spatial data is stored in an Oracle database, it can be easily manipulated, retrieved, and related to all other data stored in the database.

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Subject: Oracle

1 5632
Q:

What do vectors represent?

A) Static arrays B) Dynamic arrays
C) Stack D) Queue
 
Answer & Explanation Answer: B) Dynamic arrays

Explanation:

Vectors are sequence containers representing arrays that can change in size.

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Filed Under: C++

0 5625
Q:

What is the importance of finally block in exception handling ?

Answer

A finally block will always be executed, whether or not an exception is actually thrown. Even in the case where the catch statement is missing and an exception is thrown, the finally block will still be executed. Last thing to mention is that the finally block is used to release resources like I/O buffers, database connections, etc.

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Subject: Java

11 5603
Q:

Write a SQL Query to find year from date.

Answer

SELECT YEAR(GETDATE()) as "Year";

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Subject: SQL

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