200+ Technical Specialist Interview Questions and Answers

Solar wind is a stream of charged particles released from the upper atmosphere of the Sun.

• Solar wind is composed of electrons, protons, and alpha particles.

• It can have speeds ranging from 250 to 800 km/s.

• Solar wind can cause auroras and geomagnetic storms on Earth.

• It can also affect satellite and spacecraft operations.

• Solar wind is influenced by the Sun's magnetic field and can vary in intensity.

• It is a key factor in space weather and space exploration.

I am most familiar with Java. I follow a systematic troubleshooting process, use debugging tools, and constantly seek to expand my expertise.

• Identify the error message or symptoms of the crashing program

• Review the code for any obvious mistakes or bugs

• Use debugging tools like breakpoints and print statements to pinpoint the issue

• Continuously test and monitor the program while making changes

• Seek to expand expertise in Java and learn more about advanced debugging techniques

SNMP is the protocol used for monitoring network devices.

• SNMP stands for Simple Network Management Protocol

• It is used to manage and monitor network devices such as routers, switches, servers, etc.

• SNMP allows network administrators to collect information about network performance, usage, and errors.

• Examples of SNMP monitoring tools include Nagios, Zabbix, and PRTG Network Monitor.

I have 5 years of experience as a Linux System Administrator.

• 5 years of experience in managing Linux servers and systems

• Proficient in troubleshooting, maintenance, and security of Linux systems

• Experience with shell scripting, automation, and monitoring tools

• Certifications like RHCSA or LPIC demonstrate expertise

• Worked with distributions like CentOS, Ubuntu, and Red Hat

The reason for a database coming online late after restarting SQL server could be due to various factors such as large database size, heavy transactional activity, or insufficient server resources.

• Large database size can result in longer recovery time during startup.

• Heavy transactional activity can delay the recovery process.

• Insufficient server resources like CPU, memory, or disk I/O can slow down the startup process.

• Other factors like network issues or conflicts with other s...read more

Addressing brand impersonation involves immediate action to protect intellectual property and mitigate risks.

• Identify the impersonating domain and gather evidence of infringement.

• Notify the domain registrar to take down the cloned site, providing proof of ownership.

• File a complaint with relevant authorities, such as the Internet Crime Complaint Center (IC3).

• Engage legal counsel to explore options for cease and desist letters or lawsuits.

• Monitor online presence regularly to pr...read more

Social media adversaries pose risks like misinformation, data breaches, and reputation damage; mitigation involves monitoring and education.

• Misinformation campaigns can spread false information rapidly; implement fact-checking protocols.

• Data breaches can occur through social engineering; train employees on recognizing phishing attempts.

• Reputation damage can arise from negative reviews or comments; establish a crisis communication plan.

• Identity theft can happen through social ...read more

OSINT for social media involves gathering publicly available data to assess risks and protect against digital threats.

• OSINT (Open Source Intelligence) framework helps in collecting data from social media platforms like Twitter, Facebook, and Instagram.

• Digital risk protection involves monitoring social media for brand mentions, impersonations, and potential threats to reputation.

• Domain infringement refers to unauthorized use of a brand's name or likeness in domain names, which...read more

Identify potential causes through system analysis, logs, and monitoring tools. Implement troubleshooting steps to resolve the issue.

• Analyze system performance metrics such as CPU usage, memory usage, disk I/O, and network traffic to identify bottlenecks.

• Check system logs for any error messages or warnings that could indicate the source of the slowness.

• Review application logs to see if there are any specific requests or processes causing the slowdown.

• Use command line tools lik...read more

Thread dumps are crucial for diagnosing performance issues and deadlocks in multi-threaded applications.

• Take a thread dump when the application is unresponsive or experiencing high CPU usage.

• Capture multiple thread dumps (3-5) to analyze trends over time.

• Thread dumps should be taken at intervals of 5-10 seconds to observe changes in thread states.

• Example: If a web application is slow, take a thread dump to identify blocked threads.

• Use tools like jstack or VisualVM to capture ...read more

To troubleshoot a Mac that is not powering on, start by checking the power source and connections.

• Check if the power source is working properly

• Check if the power cable is properly connected to the Mac

• Try resetting the SMC (System Management Controller)

• Try resetting the PRAM (Parameter RAM)

• Check if there are any hardware issues such as a faulty battery or power supply

• Try booting the Mac in Safe Mode

I raised concerns about a project timeline that jeopardized quality, leading to a productive discussion with management.

• Identified a critical issue with project deadlines that could compromise quality.

• Gathered data and examples to support my concerns, including past project failures.

• Scheduled a meeting with management to present my findings and suggestions.

• Proposed a revised timeline that allowed for thorough testing and quality assurance.

• Management appreciated the proactive ...read more

Continuous integration is the practice of frequently merging code changes into a shared repository, while continuous delivery is the process of automatically deploying those changes to production.

• Continuous integration involves developers frequently merging their code changes into a shared repository, which is then automatically built and tested.

• Continuous delivery takes this a step further by automatically deploying the changes to production once they pass all tests.

• Both pra...read more

Yes, I have experience in preparing Root Cause Analyses (RCA).

• I have conducted RCA for software bugs to identify underlying issues.

• I have used tools like Fishbone Diagrams and 5 Whys to determine root causes.

• I have presented findings and recommendations based on RCA to stakeholders.

STP is a protocol used to prevent network loops. HSRP is a protocol used for redundancy. RSTP is an updated version of STP.

• STP stands for Spanning Tree Protocol

• HSRP stands for Hot Standby Router Protocol

• RSTP stands for Rapid Spanning Tree Protocol

• STP prevents network loops by blocking redundant paths

• HSRP provides redundancy by allowing multiple routers to share a virtual IP address

• RSTP is an updated version of STP that provides faster convergence times

• VTP stands for VLAN Trun...read more

I would analyze the thread dump to identify any bottlenecks or issues causing the system slowness.

• Identify any threads that are in a blocked or waiting state

• Look for any threads consuming excessive CPU or memory

• Check for any deadlocks or resource contention issues

• Analyze the stack traces to pinpoint the root cause of the slowness

US and Japanese patent systems differ in terms of requirements, processes, and enforcement.

• US patent system is based on first-to-invent, while Japanese system is based on first-to-file.

• US patents have a longer duration of 20 years from the filing date, while Japanese patents have a duration of 20 years from the filing date or 10 years from the registration date, whichever is shorter.

• US patent applications require a detailed description of the invention, while Japanese applica...read more

I respectfully disagreed with my manager on a project deadline, advocating for quality over speed.

• Identified a potential issue with the project timeline that could compromise quality.

• Gathered data and examples from previous projects to support my argument.

• Scheduled a one-on-one meeting with my manager to discuss my concerns.

• Proposed an alternative timeline that allowed for thorough testing and revisions.

• Ultimately, my manager appreciated my input, and we adjusted the deadline...read more

I once missed a project deadline due to unforeseen technical challenges, which taught me valuable lessons in time management.

• Faced a critical project with a tight deadline.

• Encountered unexpected technical issues with software integration.

• Tried to resolve issues but underestimated the time required.

• Communicated with my team and stakeholders about the delay.

• Learned the importance of contingency planning and time buffers.

Siemens 300 PLC is added in Simatic Net card for communication and networking purposes.

• Simatic Net card provides a communication interface for Siemens PLCs

• Siemens 300 PLC is compatible with Simatic Net card for networking

• Simatic Net card allows remote access and monitoring of Siemens 300 PLC

• Siemens 300 PLC can be integrated with other devices using Simatic Net card

VxRail, Vsan, NSX commands to verify IPsec tunnel

• For VxRail, use 'show ipsec sa' command to verify IPsec tunnel status

• For Vsan, use 'esxcli network ip connection list' command to check IPsec tunnel connections

• For NSX, use 'get vpn ipsec sa' command to view IPsec tunnel information

NSX-V/T can be upgraded using in-place upgrade, side-by-side upgrade, or hybrid upgrade methods.

• In-place upgrade involves upgrading the existing NSX-V/T deployment without replacing the hardware or virtual machines.

• Side-by-side upgrade involves deploying a new NSX-V/T instance alongside the existing one and migrating workloads.

• Hybrid upgrade combines elements of in-place and side-by-side upgrades, allowing for a phased migration.

• In-place upgrade is simpler but may have downti...read more

Apex latest version introduces new features like Lightning Web Components, Apex Recipes, and improved debugging capabilities.

• Lightning Web Components allow developers to build reusable components using modern web standards like JavaScript and HTML.

• Apex Recipes provide pre-built code snippets for common use cases, making development faster and easier.

• Improved debugging capabilities include enhanced error messages and better tools for troubleshooting code issues.

Traffic flow between different networks can be explained using a diagram.

• Traffic flows between networks through routers or gateways.

• Each network has its own unique IP address range.

• Routing protocols are used to determine the best path for traffic to take.

• Firewalls can be used to control and filter traffic between networks.

• Examples of different networks include LAN, WAN, and the internet.

Add 1 to each number in an ascending series

• Check if the numbers are in ascending order

• If yes, start with 1 and add it to the first number

• Continue adding subsequent numbers with increasing values of 1

Breaking down a monolithic system into microservices involves identifying bounded contexts, defining service boundaries, and implementing communication between services.

• Identify bounded contexts within the monolithic system

• Define service boundaries based on identified contexts

• Implement communication between microservices using APIs or messaging systems

• Decompose the monolithic system into smaller, independent services

• Use containerization technologies like Docker for deployment

Method overloading is having multiple methods in the same class with the same name but different parameters, while method overriding is redefining a method in a subclass with the same name and parameters as in the superclass.

• Method overloading is resolved at compile time based on the method signature, while method overriding is resolved at runtime based on the object type.

• In method overloading, the return type may or may not be different, but the parameters must be different....read more