Keysight Technologies Interview Questions, Process, and Tips

Basic reasoning and aptitude questions.

Q1. What is Regression Testing?
Ans. 
Regression testing is the process of testing changes made to an application to ensure that existing functionality still works.
• It involves re-executing test cases that have been previously executed to ensure that changes made to the application have not introduced new defects.

• It is typically performed after a new feature or bug fix has been implemented.

• Regression testing can be done manually or through automated testing...read more
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Q2. What is difference between Regression Testing and functional Testing?
Ans. 
Regression testing is to ensure that changes made to the software do not affect the existing functionality. Functional testing is to ensure that the software meets the specified requirements.
• Regression testing is done after changes are made to the software to ensure that the existing functionality is not affected.

• Functional testing is done to ensure that the software meets the specified requirements.

• Regression testing ...read more
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Q3. Explain about Jira and Agile.
Ans. 
Jira is a project management tool used in Agile methodology for tracking and managing software development.
• Jira helps in creating and managing user stories, sprints, and backlogs.

• It provides real-time visibility into project progress and helps in identifying bottlenecks.

• Jira also allows for collaboration among team members and stakeholders.

• Agile is a software development methodology that emphasizes on iterative and inc...read more
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Q1. Basic Managerial questions.
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Q1. Questions on cro,dmm
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Q2. Their applications
Ans. 
Applications Engineer works on developing, testing, and supporting software applications.
• Developing software applications based on customer requirements

• Testing applications to ensure functionality and performance

• Providing support and troubleshooting for applications

• Collaborating with cross-functional teams to deliver high-quality solutions
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Q1. SOC functioning
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Q1. Technical questions
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Q1. Roles and responsibilities
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90 questions 90 minutes multiple choice

Q1. Core +it knowledge on c#,.net etc
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Basics of Aptitude and Engineering

Q1. Types of Transmission Lines
Ans. 
Transmission lines are used to carry signals or power from one point to another.
• Types include coaxial cables, twisted pair cables, and optical fibers.

• Coaxial cables have a central conductor surrounded by an insulating layer and a metallic shield.

• Twisted pair cables consist of two insulated copper wires twisted together to reduce interference.

• Optical fibers use light to transmit data and are made of glass or plastic fib...read more
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Q2. Diplexer vs Duplexer
Ans. 
A diplexer is a device that separates or combines different frequency bands, while a duplexer is a device that allows two-way communication over a single channel.
• Diplexer is used to separate different frequency bands in communication systems.

• Duplexer allows two-way communication over a single channel by separating transmit and receive signals.

• Example: Diplexer is used in satellite communication to separate uplink and d...read more
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Q3. Phase delay vs Group delay
Ans. 
Phase delay is the time difference between input and output signals, while group delay is the rate of change of phase delay with respect to frequency.
• Phase delay is the time delay experienced by a signal passing through a system, while group delay is the derivative of phase delay with respect to frequency.

• Phase delay is constant for all frequencies, while group delay varies with frequency.

• In audio systems, phase delay ...read more
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Q4. Antenna Basics of the RF
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Q5. Final year Project details
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