Cognizant Associate/Senior Associate -(Technical) Interview Questions, Process, and Tips for Experienced

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 archi...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.

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

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 transf

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...read more

Hibernate is an ORM tool that simplifies database operations. It offers better abstraction and reduces boilerplate code.

• Hibernate provides a higher level of abstraction over JDBC and Spring ORM.

• It reduces boilerplate code and makes database operations simpler.

• Hibernate supports caching and lazy loading, which improves performance.

• Hibernate supports object-oriented programming concepts like inheritance and polymorphism.

• ...read more