When do you override hashcode and equals() ?

Correct Answer: The throughput garbage collector uses a parallel version of the young generation collector and is meant to be used with applications that have medium to large data sets On the other hand, the serial collector is usually adequate for most small applications (those requiring heaps of up to approximately 100MB on modern processors)

Correct Answer: A static method should not refer to instance variables without creating an instance and cannot use "this" operator to refer the instance

Correct Answer: Print the statement inside a static block of code Static blocks get executed when the class gets loaded into the memory and even before the creation of an object Hence it will be executed before the main() method And it will be executed only once

Correct Answer: PHP?s configuration file is called phpini

Correct Answer: RDO is Hierarchy model where as ADO is Object model ADO can access data from both flat files as well as the data bases Ie, It is encapsulation of DAO, RDO , OLE that is why we call it as OLE-DB Technology

Correct Answer: Accept parameters

Explanation:

Accept parameters are capabilities of functions in JavaScript.

Correct Answer: Cloud computing architecture consists of many layers which help it to be more organized and can be managed from one place The layers are as follows: 1 Cloud controller or CLC is the top most level in the hirerachy which is used to manage the virtualized resources like servers, network and storage with the user APIs 2 Walrus is used for the storage and act as a storage controller to manage the demands of the users It maintains a scalable approach to control the virtual machine images and user data 3 Cluster Controller or CC is used to control all the virtual machines for executions the virtual machines are stored on the nodes and manages the virtual networking between Virtual machines and external users 4 Storage Controller or SC provides a storage area in block form that are dynamically attached by Virtual machines 5 Node Controller or NC is at the lowest level and provides the functionality of a hypervisor that controls the VMs activities, which includes execution, management and termination of many instances

Correct Answer: Data Definition Language(DDL)

Explanation:

The Data Definition Language (DDL) is used to manage table and index structure.

CREATE,

ALTER,

RENAME,

DROP and

TRUNCATE

statements are the names of few data definition elements.

Correct Answer: Webdynpro for ABAP is SAP web interface model which is used to develop web applications in SAP

Correct Answer: JSObject