Integra Micro Systems Interview Questions, Process, and Tips

Aptitude test is related to technical questions only not related to mathematics

Q1. Defect tracking tool Regression testing, All types of Black box testing, severity and priority, test case design techniques, test case templates, Sdlc and stlc
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Q1. Operating systems, Linux
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Q1. About projects related questions they asked
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Q1. What is the GRUB process, and how can I check disk space?
Ans. 
GRUB is a bootloader for Linux systems, managing the boot process and allowing OS selection.
• GRUB stands for Grand Unified Bootloader, responsible for loading the operating system.

• It allows users to select between multiple operating systems at boot time.

• GRUB configuration files are typically located in /boot/grub/ or /etc/grub.d/.

• To check disk space, use the command 'df -h' for human-readable output.

• The 'du -sh /path/to...read more
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Q2. What is Nginx, and how can I configure logging for it?
Ans. 
Nginx is a high-performance web server and reverse proxy server known for its speed and efficiency.
• Nginx can be configured to log requests and errors using the 'access_log' and 'error_log' directives.

• Access logs can be customized with different formats using the 'log_format' directive.

• Example of access log configuration: 'access_log /var/log/nginx/access.log;'.

• Example of error log configuration: 'error_log /var/log/ngi...read more
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Q3. What is Apache Tomcat and how is it used?
Ans. 
Apache Tomcat is an open-source web server and servlet container for running Java applications.
• Developed by the Apache Software Foundation.

• Primarily used to serve Java Servlets and JSP (JavaServer Pages).

• Supports various Java EE specifications, including Servlet and JSP.

• Can be integrated with other web servers like Apache HTTP Server.

• Commonly used in enterprise applications for web-based services.
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Q4. What is the process for downloading a file from a Linux server to a local system?
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Q5. How do you establish an SSH connection between two Linux servers?
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Q6. What is the default port for MySQL and SSH services?
Ans. 
MySQL uses port 3306, while SSH operates on port 22 by default for secure remote access.
• MySQL default port: 3306 - used for database connections.

• SSH default port: 22 - used for secure shell access.

• Both ports can be changed in configuration files if needed.

• Example: MySQL config file (my.cnf) can specify a different port.

• Example: SSH config file (sshd_config) can also specify a different port.
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Q7. What is a zombie process in computing?
Ans. 
A zombie process is a terminated process that still has an entry in the process table, waiting for its parent to read its exit status.
• Zombie processes occur when a child process has completed execution but its parent process hasn't read its exit status.

• They are created when a process terminates, but the parent process has not yet called wait() to collect the exit status.

• Zombie processes consume system resources, but th...read more
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Q8. What are the firewall rules used in Linux?
Ans. 
Linux firewall rules control network traffic using tools like iptables and firewalld, enhancing system security.
• Iptables: A user-space utility that allows a system administrator to configure the IP packet filter rules of the Linux kernel.

• Example: 'iptables -A INPUT -p tcp --dport 22 -j ACCEPT' allows SSH traffic.

• Firewalld: A dynamic firewall management tool that supports zones and services.

• Example: 'firewall-cmd --zone...read more
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Q9. What are the top 10 command-line commands in Linux?
Ans. 
Top 10 Linux command-line commands for system management and navigation.
• 1. ls - Lists files and directories in the current directory. Example: 'ls -l' for detailed listing.

• 2. cd - Changes the current directory. Example: 'cd /home/user' to navigate to the user's home directory.

• 3. cp - Copies files or directories. Example: 'cp file.txt /backup/' to copy file.txt to the backup directory.

• 4. mv - Moves or renames files or d...read more
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Q10. What is the difference between TCP and UDP?
Ans. 
TCP is connection-oriented and reliable, while UDP is connectionless and faster but less reliable.
• TCP ensures data delivery through acknowledgments and retransmissions.

• UDP does not guarantee delivery, order, or error correction.

• TCP is used for applications like web browsing (HTTP) and email (SMTP).

• UDP is used for applications like video streaming (YouTube) and online gaming.
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Q1. Self introduction
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Q2. Difference between SDLC and stlc
Ans. 
SDLC is the Software Development Life Cycle, while STLC is the Software Testing Life Cycle.
• SDLC focuses on the development of software from planning to deployment, while STLC focuses on the testing activities within the SDLC.

• SDLC includes phases like requirements gathering, design, coding, testing, and deployment, while STLC includes phases like test planning, test design, test execution, and test closure.

• SDLC is more ...read more
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Q3. Regression testing
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Q4. What do you mean data query language and data definition language?
Ans. 
Data query language is used to retrieve data from a database, while data definition language is used to define and modify the structure of a database.
• Data query language (DQL) is used to retrieve data from a database, such as SQL SELECT statement.

• Data definition language (DDL) is used to define and modify the structure of a database, such as SQL CREATE TABLE statement.

• DQL focuses on querying and retrieving data, while ...read more
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Aptitude and reasoning

Q1. Java and android basic
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Q1. Java and android basics
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Q1. Communication and salary discussion
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