50+ Senior Technical Support Engineer Interview Questions and Answers

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

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

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

Connecting a Bluetooth headset to a phone involves pairing the devices through Bluetooth settings for wireless audio.

• Enable Bluetooth: Turn on Bluetooth on your phone by going to Settings > Bluetooth and toggling it on.

• Put Headset in Pairing Mode: Activate pairing mode on your Bluetooth headset, usually by holding the power button until a light flashes.

• Scan for Devices: On your phone, tap 'Scan' or 'Search for Devices' to find available Bluetooth devices.

• Select the Headset: O...read more

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

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

To maintain high standards in IT support, I focus on continuous improvement, effective communication, and proactive problem-solving.

• Implement regular training sessions for the support team to stay updated on the latest technologies and best practices.

• Utilize customer feedback to identify areas for improvement and adjust support processes accordingly.

• Establish clear communication channels with clients to ensure transparency and timely updates on issue resolution.

• Adopt a proact...read more

RAID stands for Redundant Array of Independent Disks. It is a data storage technology that combines multiple physical drives into a single logical unit for improved performance, reliability, and/or capacity.

• RAID is used to enhance data storage performance, availability, and protection.

• It can be implemented using different levels such as RAID 0, RAID 1, RAID 5, etc.

• RAID 0 provides improved performance by striping data across multiple drives.

• RAID 1 offers data redundancy by mir...read more

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

Technical Support Engineers address L1 & L2 queries, ensuring efficient troubleshooting and customer satisfaction.

• L1 support handles basic issues like password resets and software installations.

• Example: Assisting a user in resetting their email password.

• L2 support deals with more complex problems, such as network connectivity issues.

• Example: Troubleshooting a VPN connection failure for remote employees.

• Both levels require strong communication skills to explain technical conce...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

ConcurrentModificationException occurs when a collection is modified while iterating over it.

• Occurs in Java when a thread modifies a collection while another thread is iterating over it.

• Example: Using an ArrayList in a for-each loop and adding/removing elements during iteration.

• Can be avoided by using Iterator's remove() method or using concurrent collections like CopyOnWriteArrayList.

• Common in multi-threaded environments where shared resources are accessed.

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

SCCM (System Center Configuration Manager) is a software management suite developed by Microsoft for managing large groups of computers running Windows OS.

• SCCM allows for remote control, patch management, software distribution, operating system deployment, network access protection, and hardware and software inventory.

• It helps organizations to manage their IT infrastructure more efficiently and securely.

• SCCM integrates with Active Directory to provide comprehensive management...read more

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

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.

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

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

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

Active Directory is a directory service used by organizations to manage users, computers, and resources in a network.

• Centralized management of users, computers, and resources

• Authentication and authorization of users

• Group policy management for security and configuration settings

• Single sign-on for users to access multiple resources

• Integration with other services like DNS and DHCP

• Example: User accounts, computer accounts, security groups

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

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

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.