20+ Application Support Engineer Interview Questions and Answers for Freshers

Use secure file transfer protocols like SFTP or SCP to move files between servers.

• Use SFTP (SSH File Transfer Protocol) or SCP (Secure Copy Protocol) for secure file transfer.

• Ensure servers have proper firewall rules and access controls in place.

• Encrypt files before transferring them to ensure data security.

• Regularly update software and patches to prevent vulnerabilities.

• Consider using VPN for added security during file transfer.

Yes, I am part of change management and incident management.

• I am responsible for managing changes to applications and systems to ensure smooth transitions and minimal disruptions.

• I also handle incidents and troubleshoot issues to minimize downtime and impact on users.

• I work closely with stakeholders to communicate changes and incidents effectively.

• I document all changes and incidents for future reference and analysis.

To ensure application availability, I implement redundancy, monitoring, and disaster recovery strategies.

• Implementing redundancy by having multiple servers or data centers to ensure continuous operation

• Setting up monitoring tools to detect issues and proactively address them

• Implementing disaster recovery plans to quickly restore services in case of failures

I have used Python and shell scripting in various projects to automate tasks, manage configurations, and analyze data.

• Automating data processing tasks using Python scripts

• Creating shell scripts to manage server configurations

• Analyzing log files with Python scripts

• Developing monitoring tools using Python and shell scripting

I am currently handling 20 servers across different environments.

• I manage a mix of physical and virtual servers

• I am responsible for monitoring server performance and troubleshooting issues

• I work closely with the IT team to ensure server availability and reliability

The command used to find files by name is 'find'.

• Use the 'find' command followed by the directory path and the name of the file you are searching for

• For example, 'find /path/to/directory -name filename.txt'

• You can also use wildcards like '*' to search for files with a specific pattern

A database is a collection of data that is organized in a way that allows for easy retrieval and manipulation. Keys in a database are unique identifiers for each record.

• A database is used to store and manage data.

• It can be relational or non-relational.

• Keys are used to uniquely identify each record in the database.

• Primary keys are used to identify the main record in a table.

• Foreign keys are used to link tables together.

• Examples of databases include MySQL, Oracle, and MongoDB.

I prioritize p1 issues based on impact and urgency, communicate with stakeholders, troubleshoot to identify root cause, and work towards resolution.

• Prioritize p1 issues based on impact and urgency

• Communicate with stakeholders to keep them informed

• Troubleshoot to identify root cause

• Work towards resolution by collaborating with team members

I monitor metrics using a combination of monitoring tools, alerts, dashboards, and regular reviews.

• Utilize monitoring tools such as Nagios, Zabbix, or Prometheus to track key metrics

• Set up alerts for critical thresholds to be notified of any issues immediately

• Create dashboards in tools like Grafana to visualize and analyze metrics trends

• Regularly review and analyze metrics to identify areas for improvement or optimization

To list crontabs running, use the crontab command with the -l option.

• Use the command 'crontab -l' to list crontabs running for the current user.

• To list crontabs running for a specific user, use 'crontab -u username -l'.

• To view system-wide crontabs, check the /etc/crontab file and the /etc/cron.d/ directory.

SQL is a critical skill for an Application Support Engineer.

• SQL is essential for troubleshooting and resolving issues in applications.

• Knowledge of SQL helps in identifying and fixing performance bottlenecks.

• SQL is used for data analysis and reporting.

• Familiarity with SQL is necessary for working with relational databases.

• Proficiency in SQL can help in automating tasks and improving efficiency.

I have used automation in various projects to streamline processes and increase efficiency.

• Automated testing scripts using Selenium for web applications

• Implemented automated deployment processes using Jenkins

• Utilized Ansible for automating server configuration

• Created scripts in Python for data processing and analysis

My architecture is based on a microservices approach with containerization using Docker and orchestration with Kubernetes.

• Microservices architecture

• Containerization with Docker

• Orchestration with Kubernetes

I use a variety of tools including monitoring tools, scripting languages, and ticketing systems.

• Monitoring tools such as Nagios and Zabbix

• Scripting languages like Python and Bash

• Ticketing systems like JIRA and ServiceNow

Oracle SQL is a programming language used to manage and manipulate data in Oracle databases.

• Oracle SQL is a variant of SQL specifically designed for use with Oracle databases.

• It allows users to query, insert, update, and delete data in Oracle databases.

• Oracle SQL includes advanced features such as analytic functions, hierarchical queries, and PL/SQL support.

Tables store data in a structured format, while views are virtual tables that display data from one or more tables.

• Tables store actual data, while views display data dynamically based on a query

• Tables can have indexes and constraints, while views cannot

• Changes to tables affect the underlying data, while changes to views do not affect the underlying data

• Views can be used to simplify complex queries by predefining joins and filters

To create a folder in Linux, you can use the 'mkdir' command.

• Use the 'mkdir' command followed by the name of the folder you want to create

• You can also specify the full path where you want to create the folder

• For example, to create a folder named 'test' in the current directory, you can use 'mkdir test'

SQL functions used to combine rows from two or more tables based on a related column between them.

• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• INNER JOIN returns rows when there is at least one match in both tables.

• LEFT JOIN returns all rows from the left table and the matched rows from the right table.

• RIGHT JOIN returns all rows from the right table and the matched rows from the left table.

• FULL JOIN returns rows when there is a match in one of the ...read more