FinBox Senior Engineer Interview Questions and Answers

Q1. How to create the IP sec tunnel?
Ans. 
To create an IPsec tunnel, configure the necessary parameters on both ends of the connection.
• Configure the IPsec parameters such as encryption algorithms, authentication methods, and key exchange protocols on both the source and destination devices.

• Establish a secure communication channel by setting up the IPsec tunnel between the two endpoints.

• Ensure that the IPsec tunnel is properly configured and tested for secure d...read more
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Q2. How to troubleshoot the IP sec tunnel?
Ans. 
To troubleshoot an IPsec tunnel, check configurations, verify connectivity, monitor logs, and use packet capture tools.
• Check the IPsec configuration on both ends to ensure they match

• Verify that the tunnel endpoints can reach each other

• Monitor logs on both devices for any error messages related to the tunnel

• Use packet capture tools like Wireshark to analyze traffic going through the tunnel
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Q1. How ssl vpn it will be working for the remote location?
Ans. 
SSL VPN allows remote users to securely access the network from any location.
• SSL VPN uses encryption to secure the connection between the remote user and the network.

• It authenticates users before granting access to resources.

• SSL VPN can be set up using a web browser or a client application.

• It provides a secure way for remote employees to access company resources.

• SSL VPN can be configured to restrict access based on use
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Q2. How to configure the IP sec tunnel for 3 different location and explain the traffic traffic flow and how it will be work?
Ans. 
Configuring IPsec tunnel for 3 different locations and explaining traffic flow
• Configure IPsec tunnel on routers/firewalls at each location

• Set up IPsec policies for encryption and authentication

• Define IPsec tunnel endpoints and establish secure communication

• Ensure proper routing between locations for traffic flow

• Monitor and troubleshoot the IPsec tunnel for any issues
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Q1. How to upgrade to the palaalto firewall and fortigate?
Ans. 
To upgrade to Palo Alto firewall and Fortigate, follow these steps: plan the upgrade, backup configurations, test the upgrade in a lab environment, schedule downtime, perform the upgrade, test functionality post-upgrade.
• Plan the upgrade by determining the current firewall configurations and requirements for the new firewalls.

• Backup configurations of the existing firewalls to ensure data safety in case of any issues dur...read more
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Q2. The both locations IP sec tunnel are down. How to troubleshoot the issue.
Ans. 
To troubleshoot both locations IPsec tunnel being down, check configurations, network connectivity, and security policies.
• Check the IPsec configurations on both ends to ensure they match

• Verify network connectivity between the two locations

• Check firewall and security policies to ensure they are not blocking the IPsec traffic

• Review logs on both ends for any error messages or indications of the issue

• Restart the IPsec serv
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Q1. Technical team will schedule a call and discuss about our role and responsibility.
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Q1. Based on your role
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Ai interview backend microservices core java

Q1. Microservice architecture spring boot
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Q2. Rest api implementation and communication
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Q1. What is spring boot
Ans. 
Spring Boot is a Java-based framework used for creating standalone, production-grade Spring-based applications.
• Spring Boot simplifies the process of creating Spring applications by providing a set of default configurations.

• It allows for easy setup of Spring projects with minimal configuration.

• Spring Boot includes embedded servers like Tomcat, Jetty, or Undertow, making it easy to deploy applications.

• It provides product...read more
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Q2. What is serialisation
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Serialisation is the process of converting an object into a stream of bytes to store or transmit data.
• Serialisation is used to save the state of an object and recreate it when needed.

• It allows objects to be converted into a format that can be easily stored or transmitted.

• Common examples include JSON, XML, and binary serialisation.

• Serialisation is important for data persistence and inter-process communication.
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Q1. Binary search using Java 8
Ans. 
Binary search is a fast search algorithm that finds the position of a target value within a sorted array.
• Ensure the array is sorted before performing binary search.

• Compare the target value with the middle element of the array.

• If the target value is less than the middle element, search the left half of the array. If greater, search the right half.

• Repeat the process until the target value is found or the subarray is empt
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Q2. Merge sort and it's implementation
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Merge sort is a divide and conquer algorithm that divides the input array into two halves, sorts them, and then merges them back together.
• Divide the array into two halves recursively

• Sort each half separately

• Merge the sorted halves back together
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Hackerrank coding & techinical interview test

Q1. What are the difficulties faced during the layout ?
Ans. 
Difficulties faced during layout include space constraints, equipment compatibility, and regulatory compliance.
• Space constraints can limit the placement of equipment and affect workflow.

• Ensuring equipment compatibility can be challenging when integrating new technologies with existing systems.

• Meeting regulatory compliance standards adds complexity to the layout design process.
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Q2. How to prevent the latch up in the actual layout?
Ans. 
Prevent latch up in layout by using guard rings, spacing between devices, and proper substrate connections.
• Use guard rings around sensitive nodes to prevent latch up.

• Ensure proper spacing between devices to avoid parasitic currents.

• Connect substrate properly to prevent latch up.

• Use well-taps to tie substrate to the most negative voltage in the circuit.

• Avoid high substrate resistances that can lead to latch up.
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Q1. Tell me something about your self?
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I am a dedicated and experienced Senior Engineer with a strong background in project management and problem-solving.
• Over 10 years of experience in engineering field

• Expertise in project management and team leadership

• Strong problem-solving skills and attention to detail

• Proficient in various engineering software and tools

• Excellent communication and interpersonal skills
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Q2. Why deloitte? and Us
Ans. 
Deloitte is a global leader in consulting and technology services, offering exciting opportunities for growth and innovation.
• Deloitte is a prestigious global consulting firm known for its innovative solutions and industry expertise

• Deloitte offers a wide range of opportunities for career growth and development

• Deloitte values diversity and inclusion, creating a supportive and collaborative work environment

• Deloitte's focu...read more
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