CitiusTech Softwaretest Engineer Interview Questions and Answers

Q1. What is iscsi in san
Ans. 
iSCSI is a protocol used to transmit SCSI commands over IP networks.
• iSCSI stands for Internet Small Computer System Interface.

• It allows block-level access to storage devices over a network.

• It uses TCP/IP to transmit SCSI commands and data over IP networks.

• iSCSI targets are storage devices that can be accessed by iSCSI initiators.

• iSCSI is commonly used in SAN (Storage Area Network) environments.
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Q2. What is raid and explain r5
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RAID stands for Redundant Array of Independent Disks. RAID 5 is a type of RAID that uses block-level striping with distributed parity.
• RAID is a technology that combines multiple physical hard drives into a single logical unit for data redundancy and performance improvement.

• RAID 5 requires at least three disks and uses parity data to provide fault tolerance.

• In RAID 5, data is striped across all disks with parity data di...read more
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Q1. What is agile methodology
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Agile methodology is a software development approach that emphasizes flexibility, collaboration, and iterative development.
• Focus on delivering working software in short, iterative cycles

• Emphasizes collaboration between cross-functional teams

• Allows for changes and adjustments throughout the development process

• Prioritizes customer feedback and continuous improvement

• Common frameworks include Scrum, Kanban, and XP
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Q2. Defect life cycle
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2 leetcode questions medium level

Q1. Real life scenario based java questions based on resume and indepth resume discussion
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Q1. Some behavioural and one coding question
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Q1. Same as above indepth discussion
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Plc coding scada configuration

Q1. What advantages of closed loop system
Ans. 
Closed loop systems provide real-time feedback and control, leading to increased efficiency and accuracy.
• Real-time feedback allows for quick adjustments to be made, improving efficiency and accuracy

• Controlled environment reduces the impact of external factors on the system

• Can be used in a variety of industries, such as manufacturing, aerospace, and healthcare

• Examples include automated insulin pumps for diabetes managem
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Q2. Open loop system
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Q3. U can check the feed back in closed loop system
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Q4. No able to see
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Q1. Java program for prime no
Ans. 
Java program to check if a number is prime or not
• Create a function to check if a number is prime or not

• Iterate from 2 to n/2 and check if n is divisible by any number

• If n is divisible by any number, it is not prime

• If n is not divisible by any number, it is prime
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Q2. Dynamic web table element program
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A dynamic web table element program involves identifying and interacting with elements in a table that change dynamically.
• Identify the table element using unique identifiers like class or id

• Use Selenium WebDriver to locate and interact with the table element

• Handle dynamic changes in the table by using dynamic XPath or CSS selectors

• Iterate through rows and columns to extract data or perform actions
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Q1. What is load testing
Ans. 
Load testing is a type of performance testing that simulates real-world usage to evaluate how a system performs under specific conditions.
• Simulates real-world usage to test system performance

• Measures response times, throughput, and resource utilization

• Helps identify bottlenecks and optimize system performance

• Examples: testing how a website handles a large number of simultaneous users or how an application performs unde
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Q2. What is regression testing
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Regression testing is the process of retesting software after changes to ensure that previously working features still work correctly.
• Regression testing is performed to make sure that new code changes have not adversely affected existing functionality.

• It involves running previously executed test cases to verify that no new bugs have been introduced.

• Regression testing helps in maintaining the overall quality and stabili...read more
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Q1. Basic questions in Tosca
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Q2. Detail asking about project
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