Cognizant SAP PI PO Consultant Interview Questions and Answers

SAP PI 7.1 is an older version while PO 7.5 is the latest version with improved features.

• PO 7.5 has a new single stack architecture while PI 7.1 has a dual stack architecture

• PO 7.5 has better support for cloud integration and API management

• PO 7.5 has improved monitoring and error handling capabilities

• PO 7.5 has a new web-based design tool called SAP Web IDE for integration development

• PO 7.5 has improved security featur...read more

Message flow in SAP PI/PO involves sender, receiver, integration server, mapping, and adapters.

• Messages are sent from a sender system to a receiver system through the integration server.

• Mapping is used to transform the message format from the sender to the receiver system.

• Adapters are used to connect the sender and receiver systems to the integration server.

• Message monitoring and error handling are important aspects of

Node functions are used in graphical mapping to manipulate data within a node.

• Node functions can be used to perform operations such as concatenation, substring, and date formatting.

• They can also be used to convert data types and perform mathematical calculations.

• Examples of node functions include CONCAT, SUBSTR, FORMAT_DATE, and ROUND.

• Node functions can be accessed by selecting a node in the mapping editor and clicking

Implemented an end to end interface scenario for order to cash process

• Created a sales order in SAP ECC system

• Sent the sales order to SAP PI system using IDoc

• Transformed the IDoc to XML format using SAP PI mapping

• Sent the XML message to third-party system using SOAP adapter

• Received the response message from third-party system

• Transformed the response message to IDoc format using SAP PI mapping

• Sent the IDoc back to SAP EC...read more

SOAP is a protocol for exchanging structured information using XML, while REST is an architectural style for building web services.

• SOAP uses XML to encode messages, while REST uses a variety of formats such as JSON, XML, or plain text.

• SOAP requires more bandwidth and processing power than REST due to its use of XML.

• REST is more flexible and scalable than SOAP.

• SOAP is commonly used in enterprise environments, while REST...read more

Default port numbers for FTP, SFTP, and HTTP

• FTP default port number is 21

• SFTP default port number is 22

• HTTP default port number is 80

Monitoring of interfaces is crucial for ensuring smooth functioning of SAP PI PO system.

• Monitoring can be done through SAP Solution Manager or third-party tools like Splunk or ELK stack.

• Key metrics to monitor include message processing time, error rates, and message volume.

• Alerts can be set up for critical errors or delays in message processing.

• Regular monitoring and analysis of interface performance can help identify ...read more

The pre-requisite for IDoc config at ECC and PO end is to have the necessary RFC destinations and ports configured.

• RFC destinations must be created in both ECC and PO systems

• Ports must be configured in both systems

• Partner profiles must be maintained in both systems

• IDoc types and message types must be defined and linked to the appropriate RFC destinations and ports

• The necessary authorizations must be assigned to the use

SOAP is a protocol for exchanging structured information, while REST is an architectural style for building web services.

• SOAP uses XML to encode messages, while REST uses a variety of formats such as JSON, XML, or plain text.

• SOAP is more rigid and requires more bandwidth, while REST is more flexible and lightweight.

• Remove context is used to remove the context of a message, while collapse context is used to collapse the...read more

These are three different functions in SAP PI/PO used for mapping and transforming data.

• Use One As Many: Splits one source field into multiple target fields

• Copy Value Function: Copies the value of one field to another field

• Format by Example: Formats the target field based on the example provided

Depreciation is necessary to allocate the cost of an asset over its useful life.

• Depreciation helps in matching the cost of an asset with the revenue it generates.

• It allows for the recognition of the wear and tear, obsolescence, and loss of value of assets over time.

• Depreciation expense reduces taxable income, resulting in tax savings for companies.

• It helps in determining the true profitability and financial position of...read more

Second level cache is a caching mechanism used to improve performance by storing frequently accessed data in memory.

• Second level cache is implemented at the application level and can be configured using frameworks like Hibernate.

• To optimize SQL queries, one can use indexes, avoid using SELECT *, and use JOINs instead of subqueries.

• SOLID principles are a set of design principles for writing maintainable and scalable cod...read more

To deploy an application in AWS, you need to create an EC2 instance, configure security groups, install necessary software, and upload your application code.

• Create an EC2 instance in the desired region and select the appropriate instance type

• Configure security groups to allow traffic to and from the instance

• Install necessary software and dependencies on the instance

• Upload your application code to the instance

• Start the ...read more

Multithreading is the ability of a CPU to execute multiple threads concurrently, improving performance and responsiveness.

• Multithreading allows for parallel execution of tasks, utilizing multiple CPU cores.

• It enables concurrent processing, where multiple threads can execute simultaneously.

• Thread synchronization mechanisms like locks and semaphores are used to prevent data inconsistencies.

• Multithreading can be used to i...read more

Constructors are used to initialize objects while destructors are used to destroy objects.

• Constructors are called when an object is created while destructors are called when an object is destroyed.

• Constructors have the same name as the class while destructors have the same name as the class preceded by a tilde (~).

• Constructors can be overloaded while destructors cannot be overloaded.

• Constructors do not have a return ty...read more