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web technology Online Quiz - 170

Description: web technology Online Quiz - 170
Number of Questions: 20
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Tags: web technology
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What substance is sometimes added to water while using it to extinguish a fire?

technology web technology

  1. SodiumChloride.

  2. PotassiumCarbide.

  3. GunPowder

  4. None of the above

Show answer
Correct Option: C

what did Johannes Gutenberg invent ?
technology web technology

  1. cotton gin

  2. morse code

  3. printing machine

  4. microscope

Show answer
Correct Option: C

Milk appears to be White in colour because:
technology web technology

  1. absorbs light

  2. contains proteins

  3. contains sugar

  4. reflects the incident light

Show answer
Correct Option: D

WRONG QUESTION IGNORE
technology web technology

  1. The code will generate a run time error

  2. undefined, Local Date & Time.

  3. The code will generate a compile time error.

  4. Universal Date & Time, Local Date & Time.

  5. Local Date & Time & Local Date & Time

Show answer
Correct Option: D

What does session.createQuery("Query").scroll() return ?
technology web technology

  1. ListResultSet

  2. ResultSet

  3. ScrollableResultSet

  4. ScrollableResult

Show answer
Correct Option: D
Explanation:

To understand what session.createQuery("Query").scroll() returns, the user needs to have understanding of Hibernate, Java and SQL.

Explanation of each option:

A. ListResultSet: This option is incorrect because ListResultSet is not a valid class in Hibernate.

B. ResultSet: This option is incorrect because ResultSet is a class in Java that represents a table of data representing a database result set, and it is not returned by the scroll() method in Hibernate.

C. ScrollableResultSet: This option is incorrect because ScrollableResultSet is not a valid class in Hibernate.

D. ScrollableResult: This option is correct. The scroll() method in Hibernate returns a ScrollableResult object, which is used to traverse a result set. It provides methods to move the cursor forward and backward, as well as methods to retrieve the current row or a subset of rows.

Therefore, the answer is: D. ScrollableResult.

How are the individual properties mapped to different table columns?
technology web technology

  1. By using multiple elements inside the element.

  2. By using multiple elements inside the element.

  3. By using multiple elements inside the element.

  4. none of the above

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Correct Option: A

What are the most common methods of configuring Hibernate?

technology web technology

  1. By placing hibernate.properties file in the classpath.

  2. Including elements in hibernate.cfg.xml in the classpath.

  3. both 1 and 2

  4. none of the above

Show answer
Correct Option: C

Is it possible to declare mappings for multiple classes in one mapping file?
technology web technology

  1. True

  2. False

Show answer
Correct Option: B

How to create SessionFactory ?
technology web technology

  1. configuration.buildSessionFactory();

  2. configuration.createSessionFactory();

  3. configuration.createNewSessionFactory();

  4. none of the above

Show answer
Correct Option: A

How to get a session object ?
technology web technology

  1. SessionFactory.getSession();

  2. SessionFactory.openSession();

  3. SessionFactory.get();

  4. (session)SessionFactory.getObject();

Show answer
Correct Option: B

What is the root level element in a hibernate mapping file?
technology web technology

  4. none of the above

Show answer
Correct Option: A

Which statement is correct ?
technology web technology

  1. A Session will not obtain a JDBC Connection (or a Datasource) unless it is needed

  2. A Session will obtain a JDBC Connection (or a Datasource) on object create

  3. A Session has no relation with JDBC Connection (or a Datasource)

  4. none of the above

Show answer
Correct Option: A

Which is the name of the Hibernate object state after session close?
technology web technology

  1. Transient

  2. Persistent

  3. Detached

  4. attached

Show answer
Correct Option: C

what is the default value of lazy in hibernate ?
technology web technology

  1. lazy=false;

  2. lazy=true;

  3. lazy=yes;

  4. lazy=no;

Show answer
Correct Option: B

What was the original name of the JavaScript programming language when it was first being developed at Netscape?
technology web technology

  1. Mocha

  2. LiveScript

  3. ECMAScript

  4. JScript

Show answer
Correct Option: A

Which of the following is NOT a valid HTTP request method?
technology web technology

  1. POST

  2. ENCRYPT

  3. PUT

  4. DELETE

Show answer
Correct Option: B

Every browser identifies itself to Web servers with a unique user agent string. What was the user agent string for Netscape Navigator 1.0, one of the earliest Web browsers?
technology web technology

  1. NNav

  2. Mosaic

  3. Mozilla

  4. MSIE

Show answer
Correct Option: C

Which of the following markup language specifications is least like the others?
technology web technology

  1. HTML 4.01

  2. HTML 1.0

  3. XHTML 2.0

  4. HTML 5.0

Show answer
Correct Option: A

Which company invented the banner ad?
technology web technology

  1. CKS Group

  2. Netscape

  3. Organic

  4. USWeb

Show answer
Correct Option: C

What was the first Web browser with a graphical user interface to be released for mainstream PCs?
technology web technology

  1. NCSA Mosaic

  2. Lynx

  3. Netscape Navigator

  4. Erwise

Show answer
Correct Option: D
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