20+ Production Support Engineer Interview Questions and Answers

A support engineer is responsible for providing technical assistance and resolving issues related to software or hardware systems.

• Providing technical support to customers or end-users

• Troubleshooting and resolving software or hardware issues

• Installing, configuring, and maintaining systems

• Monitoring system performance and identifying potential problems

• Collaborating with development teams to address bugs or enhancements

• Documenting support processes and creating knowledge base ar...read more

SQL query to find manager of employee using join condition

• Use JOIN clause to join employee and manager tables

• Match manager ID with employee's manager ID

• Select manager's name from manager table

A ticketing tool is a software application used to track and manage customer support requests or issues.

• Ticketing tools help in organizing and prioritizing customer support tickets.

• They provide a centralized platform for communication and collaboration between support teams and customers.

• Ticketing tools often include features like ticket assignment, status tracking, and reporting.

• Examples of popular ticketing tools include Jira Service Desk, Zendesk, and Freshdesk.

To handle a diesel generator in a desert area for 24/7 power supply, proper maintenance, monitoring, and fuel management are essential.

• Regular maintenance checks to ensure the generator is in good working condition

• Monitoring fuel levels and scheduling timely refills to avoid running out of fuel

• Protecting the generator from extreme weather conditions in the desert

• Having backup generators in case of any failures or breakdowns

• Implementing remote monitoring systems for real-time ...read more

Answering questions related to Kubernetes pod connection, unit test plan creation, use case and test template creation.

• To connect to a Kubernetes pod, use kubectl command-line tool or API calls

• To create a unit test plan, identify the test cases, define the expected results, and create test scripts

• To create use cases, identify the user's goals, define the steps to achieve them, and document the scenarios

• To create test templates, define the test scenarios, test cases, and expec...read more

A monitoring tool is a software application or system that collects and analyzes data to track the performance and health of a system or application.

• Monitoring tools collect data from various sources such as servers, networks, databases, and applications.

• They provide real-time visibility into the system's performance, availability, and resource utilization.

• Monitoring tools can generate alerts or notifications when predefined thresholds or conditions are met.

• They often include...read more

SMTP stands for Simple Mail Transfer Protocol. It is used for sending and receiving email messages.

• SMTP is a protocol used for sending email messages between servers.

• It is responsible for transferring email messages from the sender's mail server to the recipient's mail server.

• SMTP uses port 25 by default, but can also use ports 465 or 587 for secure connections.

• SMTP is used by email clients such as Microsoft Outlook and webmail services like Gmail and Yahoo Mail.

Learn how to write SQL queries to fetch data from tables effectively.

• Understand the table structure and relationships.

• Use SELECT statement to specify columns to retrieve.

• Apply WHERE clause to filter records based on conditions.

• Utilize JOINs to combine data from multiple tables.

• Consider using aggregate functions like COUNT, SUM, AVG for summary data.

Power elements in telecommunications are components that provide electrical power to various devices and systems in the network.

• Power supplies: Convert AC power from the grid to DC power for devices.

• Batteries: Provide backup power in case of outages.

• Power distribution units (PDUs): Manage and distribute power to different equipment.

• Power over Ethernet (PoE): Delivers power to devices over Ethernet cables.

• Generators: Used as backup power sources during extended outages.

To get current running processes, we can use the command 'ps' in the terminal.

• Open the terminal

• Type 'ps' command

• Press enter

• The list of current running processes will be displayed

The alarm that indicates an AC unit is faulty is typically the 'Fault' alarm.

• The 'Fault' alarm is a common indicator of a malfunction in an AC unit.

• Other alarms may include 'Low Pressure', 'High Pressure', 'Compressor Failure', etc.

DML stands for Data Manipulation Language.

• DML is a subset of SQL (Structured Query Language) used to manipulate data in a database.

• It includes commands like INSERT, UPDATE, DELETE, and SELECT.

• DML statements are used to add, modify, or delete data in database tables.

• For example, INSERT statement is used to add new records, UPDATE statement is used to modify existing records, DELETE statement is used to remove records, and SELECT statement is used to retrieve data from tables.

I have strong debugging skills and can troubleshoot email issues efficiently.

• I start by checking the email server logs to identify any errors or issues.

• I verify the email settings and configurations to ensure they are correct.

• I test the email functionality by sending test emails to different email addresses.

• I use email tracking tools to identify any issues with email delivery or open rates.

• I collaborate with the email service provider or IT team to resolve any technical issue...read more

SQL is used for managing and manipulating relational databases, enabling data retrieval, updates, and administration.

• SQL stands for Structured Query Language, used for querying databases.

• Common SQL operations include SELECT, INSERT, UPDATE, and DELETE.

• Example: SELECT * FROM users WHERE age > 30; retrieves all users older than 30.

• SQL also supports data definition language (DDL) for creating and modifying database structures.

• Example: CREATE TABLE orders (id INT, product_name VA...read more

Automatic mode configurations for generator power on

• Ensure automatic start is enabled in generator settings

• Set up proper communication between generator and power source

• Test automatic start functionality regularly to ensure reliability

SQL query to display numbers 1 to 10

• Use SELECT statement to display numbers

• Use UNION or JOIN to combine multiple SELECT statements

• Example: SELECT 1 UNION SELECT 2 UNION SELECT 3 ... UNION SELECT 10

Alarm indicating model faulty

• Check for alarm code related to hardware failure

• Look for error messages indicating model malfunction

• Consult system documentation for specific alarm related to model fault

String is immutable while StringBuffer is mutable. HashMap uses key-value pairs for storing and retrieving data.

• String is immutable, meaning once created, its value cannot be changed. StringBuffer is mutable, allowing for modifications.

• StringBuffer is synchronized, making it thread-safe. String is not synchronized.

• HashMap uses key-value pairs to store and retrieve data efficiently. It uses hashing to map keys to values.

• HashMap allows null keys and values, while Hashtable does...read more

I would rate myself 8 out of 10 in SQL.

• I have a strong understanding of SQL syntax and can write complex queries.

• I am proficient in using SQL functions and operators to manipulate and analyze data.

• I have experience in optimizing SQL queries for performance.

• I am familiar with database management systems like MySQL, Oracle, and SQL Server.

• I have successfully resolved various production issues related to SQL queries.

There are process and technical difficulties in the current organization.

• Lack of documentation for processes and systems

• Inadequate training for new team members

• Outdated technology and infrastructure

• Poor communication between teams

• Inefficient incident management process

Basic programming concepts include variables, data types, control structures, and functions essential for software development.

• Variables: Used to store data. Example: int age = 25;

• Data Types: Define the type of data. Example: String name = 'John';

• Control Structures: Manage the flow of the program. Example: if (age > 18) { // adult code }

• Functions: Reusable blocks of code. Example: void greet() { System.out.println('Hello'); }

A script can be written using SQLCMD or PowerShell to automate SQL tasks.

• Identify the SQL tasks that need to be automated

• Write SQL queries to perform the tasks

• Use SQLCMD or PowerShell to execute the queries

• Schedule the script to run at specific intervals using Task Scheduler

sed command is a stream editor used to perform text transformations on an input stream or file.

• sed stands for stream editor

• It is used to perform text transformations on an input stream or file

• Commonly used for search and replace operations

• Syntax: sed 's/search/replace/g' filename

• Example: sed 's/foo/bar/g' file.txt

I am a Production support engineer with expertise in SQL and Linux.

• Proficient in SQL query writing and optimization

• Experienced in troubleshooting and resolving issues in Linux environments

• Skilled in monitoring and maintaining production systems

• Familiar with scripting languages like Bash for automation tasks

IMAP and POP are email protocols used for retrieving emails from a mail server.

• IMAP allows users to access emails from multiple devices and keeps them synced with the server.

• POP downloads emails to a single device and deletes them from the server.

• IMAP supports server-side searching and filtering of emails.

• POP is simpler and faster than IMAP.

• IMAP uses more server resources than POP.

• IMAP is recommended for users who access emails from multiple devices.

• POP is recommended for use...read more

SQL (Structured Query Language) is used for managing and manipulating relational databases.

• SQL is used to perform tasks such as querying data, updating records, and managing database structures.

• Common SQL commands include SELECT, INSERT, UPDATE, DELETE, and CREATE TABLE.

• Example: SELECT * FROM employees WHERE department = 'Sales'; retrieves all employees in the Sales department.

• SQL supports various functions like COUNT(), AVG(), and SUM() for data aggregation.

• Joins (INNER JOIN...read more