Palo Alto Networks Interview Questions, Process, and Tips

It was 2 easy/medium question on codilty

Q1. System Design - Design a component of Messaging service
Ans. 
Design a scalable and reliable messaging service component
• Use a distributed system architecture to handle high volume of messages

• Implement message queues for asynchronous communication

• Ensure message delivery with retries and acknowledgements

• Support message encryption for security

• Include monitoring and logging for performance tracking
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Q1. What is HA proxy
Ans. 
HAProxy is a free, open-source load balancer and proxy server software.
• HAProxy stands for High Availability Proxy.

• It is used to distribute traffic across multiple servers to ensure high availability and scalability.

• It supports TCP and HTTP-based applications.

• It can perform SSL/TLS termination, content switching, and request routing.

• It is highly configurable and can be used in various deployment scenarios.

• Examples of co...read more
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Q2. What is Rest Api
Ans. 
REST API is a web-based API that uses HTTP requests to access and manipulate data.
• REST stands for Representational State Transfer

• It is an architectural style for building web services

• It uses HTTP methods like GET, POST, PUT, DELETE to perform operations on resources

• Responses are usually in JSON or XML format

• Examples include Twitter API, Facebook API, and Google Maps API
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Q3. When will you use tcp and UDP
Ans. 
TCP for reliable data transfer, UDP for low latency and loss tolerance
• TCP is used when reliable data transfer is required, such as in file transfers or email communication

• UDP is used when low latency and loss tolerance are more important than reliability, such as in online gaming or video streaming

• TCP is connection-oriented while UDP is connectionless

• TCP provides flow control and congestion control while UDP does not

• TC...read more
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Q4. What is sha how will you use it
Ans. 
SHA is a cryptographic hash function used for data integrity and security.
• SHA stands for Secure Hash Algorithm

• It generates a fixed-length hash value from input data

• Used for data integrity, digital signatures, and password storage

• Examples include SHA-1, SHA-256, SHA-512
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Q1. How do you ensure accuracy and compliance in revenue recognition?
Ans. 
Ensuring accuracy and compliance in revenue recognition through thorough documentation, regular audits, and staying up-to-date with accounting standards.
• Maintaining detailed records of revenue transactions

• Performing regular audits to verify accuracy of revenue recognition

• Staying informed about changes in accounting standards and regulations

• Collaborating with cross-functional teams to ensure consistency in revenue recog
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Q2. Can you describe a time when you identified and corrected an error in revenue reporting?
Ans. 
Identified and corrected revenue reporting error by reconciling data sources and adjusting calculations.
• Discovered discrepancy between sales records and financial reports

• Investigated root cause of error by comparing data from different sources

• Implemented adjustments to revenue calculations to rectify the error

• Ensured accurate reporting moving forward by enhancing reconciliation processes
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Q3. Define ASC 606 and steps to recognize revenue and advantages
Ans. 
ASC 606 is a revenue recognition standard that outlines principles for recognizing revenue from contracts with customers.
• ASC 606 stands for Accounting Standards Codification 606

• Steps to recognize revenue under ASC 606 include identifying the contract, identifying performance obligations, determining the transaction price, allocating the transaction price to the performance obligations, and recognizing revenue when each...read more
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Q1. General discussion and time management
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Q2. Previous experience
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Q1. They just asked about last experience and few general questions related to your role and responsibility.
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Q1. They will ask questions related to your current job role and expertise in your area. Like, Firewall, Security, Routing and switching etc.
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Q2. App-ID, VPN, SandBox, Wireshark, TCP, Firewall Policy , IPSec Etc.
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Q1. Managerial or Client Round - Technical as well as Some general questions related to client engagement and all.
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