Cognizant AST Consultant Interview Questions and Answers

Check constraint is used to limit the values that can be inserted into a column.

• It is a type of constraint in SQL

• It is used to limit the values that can be inserted into a column

• It is used to ensure data integrity

• It can be used to check for a range of values, data types, or conditions

• Example: CREATE TABLE Students (id INT, name VARCHAR(50), age INT CHECK (age >= 18));

A servlet is a Java program that runs on a web server and handles client requests.

• Servlets are used to create dynamic web pages and web applications.

• They can handle HTTP requests and responses.

• Servlets can be used to process form data, authenticate users, and more.

• Examples of servlet containers include Apache Tomcat and Jetty.

A war file is a compressed file format used to package Java web applications.

• A war file contains web application components such as servlets, JSPs, HTML pages, and other resources.

• The file structure includes a WEB-INF directory containing web.xml deployment descriptor, lib directory containing JAR files, and classes directory containing compiled Java classes.

• The war file can be unzipped using any standard zip utility.

• E...read more

Custom annotations can be created using the @interface keyword in Java.

• Create a new interface with the @interface keyword

• Define the annotation's properties using methods

• Add default values for the properties

• Add the @Retention and @Target annotations to specify how the annotation can be used

• Example: @interface MyAnnotation { String value() default ""; }

• Example usage: @MyAnnotation(value="example")

The question is about Cyberark reports including PVWA reports, safe permission, and Vault permission.

• Cyberark reports provide information on the usage and access of privileged accounts and assets.

• PVWA reports provide details on the activities performed by users through the PVWA interface.

• Safe permission reports show the permissions assigned to users for accessing specific safes.

• Vault permission reports provide informat...read more