10+ Cognizant Associate/Senior Associate -(Technical) Interview Questions and Answers

Technical interview questions on Apex, Aura and Webservices

• Role defines the responsibilities and expectations of a position, while profile defines the access and permissions of a user

• Share object is available for the same OWD level or higher

• FLS can be checked using the Schema.DescribeFieldResult class in Apex

• FLS is considered even with sharing in Apex class

• Webservices callout can be done using the fetch() method in LWC or using the HttpRequest class in Apex

• Application events ...read more

Certificates authentication and encryption/decryption mechanisms are used in CPI for secure data transfer.

• Certificates are used to authenticate the sender and receiver of data in CPI.

• Encryption/decryption mechanisms are used to secure the data during transfer.

• CPI supports various encryption algorithms such as AES, RSA, and SHA.

• Certificates can be uploaded to CPI and used in communication channels for secure data transfer.

I have worked on CPI optimization and analysis for various software projects.

• Implemented CPI reduction techniques like loop unrolling, pipelining, and cache optimization.

• Analyzed CPI using performance profiling tools like perf and Intel VTune.

• Worked on CPI optimization for a video encoding software, resulting in a 20% performance improvement.

• Collaborated with hardware engineers to optimize CPI for a new processor architecture.

• Developed a CPI benchmarking tool to compare the p...read more

To connect S4 HANA ECC system to CPI system, use SAP Cloud Connector and configure the connection in CPI.

• Install and configure SAP Cloud Connector on the server where the S4 HANA ECC system is installed.

• Create a destination in SAP Cloud Connector for the CPI system.

• Configure the destination in CPI using the Cloud Connector details.

• Test the connection to ensure successful integration.

Abstract classes are classes that cannot be instantiated and can have both abstract and non-abstract methods. Interfaces are contracts that define a set of methods that a class must implement.

• Abstract classes can have constructors, while interfaces cannot.

• A class can implement multiple interfaces, but can only inherit from one abstract class.

• Abstract classes can have instance variables, while interfaces cannot.

• An example of an abstract class is the Shape class, with abstract ...read more

To configure SFTP adapter, follow these steps:

• Create a communication channel with SFTP adapter type

• Provide the SFTP server details like hostname, port, username, password, and remote directory

• Configure the sender/receiver agreement with the communication channel

• Test the connection and transfer files

Workflow and Process Builder are automation tools in Salesforce. Workflow is a simple automation tool while Process Builder is more advanced.

• Workflow is a simple automation tool that allows you to automate standard internal procedures and processes to save time across your org.

• Process Builder is a more advanced automation tool that allows you to automate complex business processes and create custom logic.

• Workflow can only perform a limited set of actions, such as updating fie...read more

String is immutable while StringBuilder is mutable.

• String is a final class and cannot be modified once created.

• StringBuilder is a mutable class and can be modified without creating a new object.

• String concatenation creates a new String object each time, while StringBuilder can append to the same object.

• String is thread-safe while StringBuilder is not.

• Use String for small strings that won't change, and StringBuilder for large or frequently modified strings.

Trade cycle in capital markets refers to the process of buying and selling securities.

• The trade cycle starts with the issuance of securities by companies or governments.

• Investors then buy these securities through primary markets.

• These securities are then traded among investors in secondary markets.

• The trade cycle ends when the securities are redeemed or mature.

• Examples of securities include stocks, bonds, and derivatives.

SOLID is a set of design principles for object-oriented programming.

• S - Single Responsibility Principle: A class should have only one reason to change.

• O - Open/Closed Principle: A class should be open for extension but closed for modification.

• L - Liskov Substitution Principle: Subtypes should be substitutable for their base types.

• I - Interface Segregation Principle: A client should not be forced to depend on methods it does not use.

• D - Dependency Inversion Principle: High-lev...read more

Joinkeys is a utility in Mainframe SORT that allows merging of two or more files based on a common key.

• Joinkeys is used to merge two or more files based on a common key.

• It is used in Mainframe SORT utility.

• Joinkeys can be used to merge files with different record formats.

• It can also be used to merge files with different record lengths.

• Joinkeys can be used to merge files with different sort orders.

• Joinkeys can be used to merge files with different block sizes.