40+ Senior Technical Support Engineer Interview Questions and Answers

Tableau uses Tableau Server for optimization of deployments.

• Tableau Server provides centralized management and scalability for Tableau deployments.

• It allows for easy sharing and collaboration of dashboards and data sources.

• Tableau Server also offers features such as load balancing, failover, and backup and recovery.

• It can be deployed on-premises or in the cloud, depending on the organization's needs.

• Tableau also offers a tool called Tableau Prep Conductor for managing data pr...read more

Authentication is the process of verifying the identity of a user, while authorization is the process of granting access to specific resources.

• Authentication confirms the identity of a user through credentials such as username and password.

• Authorization determines what resources a user can access based on their authenticated identity.

• Authentication is the first step in the authorization process.

• Examples of authentication include biometric identification, two-factor authentica...read more

Answer on joining tables, inserts, customer handling, ticket escalation, and scenario-based questions for Senior Technical Support Engineer.

• To join multiple tables, use JOIN keyword with ON clause

• For inserting data, use INSERT INTO statement with table name and column values

• Customer handling involves active listening, empathy, and problem-solving skills

• Ticket escalation process should be defined based on severity and impact of the issue

• Scenario-based questions may involve tro...read more

Explain technical issues to business team for delay reasons

• Use simple language and avoid technical jargon

• Provide clear and concise explanations

• Give examples to illustrate the issue

• Highlight the impact of the issue on the project timeline

• Offer potential solutions or workarounds

• Encourage questions and feedback from the business team

I have experience with basic mapping techniques including GIS software and data visualization tools.

• Proficient in using GIS software such as ArcGIS and QGIS

• Familiar with creating and editing maps, analyzing spatial data, and geocoding

• Experience in data visualization tools like Tableau for creating interactive maps

• Knowledge of basic mapping concepts such as layers, projections, and spatial analysis

BSOD stands for Blue Screen of Death. It is an error screen displayed on Windows operating systems when a system error occurs.

• BSOD is caused by hardware or software issues

• To resolve BSOD, try restarting the computer or running a system diagnostic

• Update drivers and software to prevent future BSODs

• Examples of BSOD errors include IRQL_NOT_LESS_OR_EQUAL and SYSTEM_SERVICE_EXCEPTION

Yes, I have knowledge about the Blockchain industry.

• Blockchain is a decentralized, distributed ledger technology used for secure and transparent transactions.

• It is the underlying technology behind cryptocurrencies like Bitcoin and Ethereum.

• Blockchain has applications beyond cryptocurrencies, such as supply chain management, voting systems, and smart contracts.

• It ensures data integrity and security through cryptographic techniques.

• Blockchain networks consist of nodes that vali...read more

Windows can be installed through various methods including DVD, USB, and network installation.

• Windows can be installed from a DVD by inserting the disc into the computer's optical drive and following the prompts.

• Windows can also be installed from a USB drive by creating a bootable USB and selecting it as the boot device.

• Network installation involves installing Windows over a network using a network boot image and a network installation server.

• Vendor support may be required fo...read more

Automated data extraction from PDF files using Python script

• Developed a Python script using libraries like PyPDF2 and pdfplumber to extract data from PDF files

• Used regular expressions to parse and extract specific information such as names, dates, and amounts

• Implemented error handling to ensure the script runs smoothly even with varying PDF formats

I have a strong knowledge of AI, including machine learning, deep learning, natural language processing, and computer vision.

• Familiar with machine learning algorithms such as linear regression, decision trees, and neural networks

• Experience with deep learning frameworks like TensorFlow and PyTorch

• Knowledge of natural language processing techniques for text analysis and sentiment analysis

• Understanding of computer vision concepts for image recognition and object detection

Active Directory is a directory service developed by Microsoft for Windows domain networks.

• Centralized database for managing network resources

• Stores information about users, computers, groups, and more

• Allows for authentication and authorization of users and computers

• Enables administrators to manage and secure network resources

• Supports features like Group Policy, LDAP, and Kerberos authentication

No post situation with computer refers to a scenario where the computer fails to complete the Power-On Self-Test (POST) process.

• It could be due to hardware failure, such as a faulty power supply, motherboard, or RAM.

• It could also be due to software issues, such as corrupted BIOS or operating system files.

• Troubleshooting steps include checking hardware connections, resetting BIOS, and running diagnostic tests.

• Examples of symptoms include no display on the monitor, no beep soun...read more

Handle access issues by identifying root cause, providing necessary permissions, and educating users on proper access protocols.

• Identify the root cause of the access issue - whether it's a technical glitch, incorrect permissions, or user error.

• Provide necessary permissions to users based on their roles and responsibilities.

• Educate users on proper access protocols, including password security and data protection measures.

To resolve network issues, start by identifying the problem and then troubleshoot using various tools and techniques.

• Identify the problem by checking network connectivity, IP addresses, and DNS settings.

• Use network diagnostic tools like ping, traceroute, and nslookup to troubleshoot.

• Check network hardware like routers, switches, and cables for any issues.

• Update network drivers and firmware to ensure they are up-to-date.

• Reset network settings or restart network devices if nece...read more

To activate OS or any other product, you need to enter a valid product key or activation code.

• Check the packaging or email for the product key or activation code

• Open the product and follow the prompts to enter the key or code

• If activation fails, contact customer support for assistance

There are two types of JDBC connections: Type 1 and Type 4.

• Type 1: JDBC-ODBC bridge driver, requires ODBC driver to connect to the database

• Type 4: Direct-to-database pure Java driver, no need for additional software

• Type 4 is more commonly used due to better performance and platform independence

DHCP stands for Dynamic Host Configuration Protocol. It is a network protocol that automatically assigns IP addresses to devices on a network.

• DHCP is used to automatically assign IP addresses to devices on a network.

• It helps in reducing the manual effort required to configure IP addresses on each device.

• DHCP servers lease IP addresses to devices for a specific period of time.

• DHCP also provides other network configuration information like subnet mask, default gateway, DNS serv...read more

Handle P1 issue by prioritizing, communicating, troubleshooting, and escalating if needed.

• Prioritize the issue based on impact and urgency

• Communicate with stakeholders about the issue and provide regular updates

• Troubleshoot the issue methodically to identify the root cause

• Escalate to higher levels of support or management if necessary

• Implement temporary workarounds if possible to minimize impact

Joins are used to combine data from two or more tables based on a related column between them.

• Inner join returns only the matching rows from both tables

• Left join returns all rows from the left table and matching rows from the right table

• Right join returns all rows from the right table and matching rows from the left table

• Full outer join returns all rows from both tables

• Cross join returns the Cartesian product of both tables

Port 80 is used for HTTP, which is the protocol used for transmitting web pages over the internet.

• Port 80 is the default port for HTTP

• HTTP stands for Hypertext Transfer Protocol

• Other common ports include 8080 for alternative HTTP port

Java is a programming language used to create applications that can run on any platform.

• Java is used to develop desktop, web, mobile, and enterprise applications.

• It is known for its platform independence, allowing programs to run on any device with a Java Virtual Machine (JVM).

• Java is object-oriented, making it easier to organize and manage code.

• It is widely used in the development of Android apps, server-side applications, and financial software.

The servlet life cycle refers to the stages a servlet goes through from initialization to destruction.

• Initialization: Servlet is loaded, instantiated, and initialized.

• Servicing client requests: Servlet handles client requests by calling service() method.

• Destruction: Servlet is removed from service and destroyed by the container.

Tension, shear, and compression are types of forces that act on materials.

• Tension is a pulling force that stretches materials, like when you pull on a rubber band.

• Shear is a force that causes parts of a material to slide past each other in opposite directions, like when cutting with scissors.

• Compression is a pushing force that squeezes materials together, like when you press down on a spring.

Joins in SQL are 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 t...read more

A function to return unique numbers from an array of strings.

• Convert the array of strings to an array of numbers.

• Use a Set to store unique numbers.

• Convert the Set back to an array and return it.

The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.

• Layer 1 (Physical): Deals with physical connections and data transmission. Example: Ethernet cables.

• Layer 2 (Data Link): Manages data transfer between devices on the same network. Example: MAC addresses.

• Layer 3 (Network): Handles routing and forwarding of data packets. Example: IP addresses.

• Layer 4 (Transport): Ensures reliable data transfer bet...read more

JDBC is a Java API for connecting and executing SQL queries on a database. Templates provide reusable code for common database operations.

• JDBC stands for Java Database Connectivity, allowing Java programs to interact with databases.

• JDBC provides classes and interfaces for connecting to a database, sending queries, and retrieving results.

• JDBC templates are pre-defined code structures that simplify common database operations like querying, updating, and deleting data.

• Templates ...read more

The boot process is the sequence of events that occur when a computer system is turned on.

• The BIOS (Basic Input/Output System) performs a Power-On Self-Test (POST)

• The BIOS loads the bootloader from the boot device

• The bootloader loads the operating system kernel

• The kernel initializes the system and loads necessary drivers and services

• The user is presented with a login screen or desktop environment

Active Directory is a directory service developed by Microsoft for Windows domain networks.

• Centralized database for managing network resources

• Stores information about users, computers, and other network objects

• Allows administrators to control access and permissions

• Facilitates single sign-on for users across network services

Domain Name System (DNS) is a system that translates domain names to IP addresses on the internet.

• DNS is like a phone book for the internet, translating human-readable domain names (like google.com) to machine-readable IP addresses (like 172.217.3.206).

• DNS helps users access websites and other online services by resolving domain names to their corresponding IP addresses.

• DNS servers store DNS records that contain information about domain names and their associated IP addresses...read more

DORA Process stands for Define, Observe, Reflect, and Adjust. It is a continuous improvement process used in technical support.

• Define the problem or goal

• Observe the current situation or process

• Reflect on what could be improved

• Adjust processes or strategies accordingly

• Example: Using DORA Process to improve response time in technical support tickets

To patch an application, download the latest patch from the vendor's website and follow the installation instructions.

• Identify the version of the application that needs to be patched

• Download the latest patch from the vendor's website

• Read the installation instructions carefully

• Backup the application and its data before installing the patch

• Test the application after patching to ensure it is functioning properly

Input/output devices are hardware components that allow users to interact with a computer system.

• Examples of input devices include keyboards, mice, scanners, and microphones.

• Examples of output devices include monitors, printers, and speakers.

• Some devices, such as touchscreens and webcams, can function as both input and output devices.

• Input/output devices are essential for user interaction with computer systems.

Yes, I am good at coding.

• Proficient in multiple programming languages such as Java, Python, and C++

• Experience in developing and maintaining complex software systems

• Strong problem-solving and debugging skills

• Familiarity with software development best practices and version control systems

Hash map is a data structure that stores key-value pairs and uses a hash function to map keys to their corresponding values.

• Hash map uses a hash function to determine the index of the key-value pair in the underlying array.

• Collisions can occur when multiple keys hash to the same index, which is resolved using techniques like chaining or open addressing.

• Hash map provides constant time complexity O(1) for insertion, deletion, and lookup operations on average.

DML commands are Data Manipulation Language commands used to manage data in a database.

• DML commands include INSERT, UPDATE, DELETE, and SELECT.

• INSERT is used to add new rows of data into a table.

• UPDATE is used to modify existing data in a table.

• DELETE is used to remove rows of data from a table.

• SELECT is used to retrieve data from a database.

Oops concept stands for Object-Oriented Programming System. It is a programming paradigm based on the concept of objects.

• Oops concept focuses on creating objects that contain both data and methods to manipulate that data.

• It allows for encapsulation, inheritance, and polymorphism.

• Encapsulation refers to the bundling of data with the methods that operate on that data within a single unit.

• Inheritance allows a class to inherit properties and behavior from another class.

• Polymorphi...read more

The wiring harness production process involves designing, assembling, and testing electrical wiring systems for various applications.

• Designing the wiring harness based on the specifications and requirements of the application

• Assembling the wiring harness by connecting wires, terminals, and connectors

• Testing the wiring harness for continuity, insulation resistance, and other electrical parameters

• Packaging and labeling the wiring harness for shipment to the customer

• Ensuring com...read more

Hipot tester is used to test the insulation of electrical equipment and devices.

• Applies high voltage to the device under test

• Measures the current flowing through the insulation

• Checks for any leakage current

• Helps identify any potential safety hazards

• Commonly used in manufacturing and quality control processes

Symantec deployment process involves planning, testing, and implementing security solutions across an organization's network.

• Planning the deployment strategy based on the organization's security needs and infrastructure

• Testing the deployment in a controlled environment to ensure compatibility and effectiveness

• Implementing the deployment across all relevant systems and devices

• Monitoring and managing the deployment to address any issues or updates

• Providing training and support ...read more