Velocis Systems Interview Questions, Process, and Tips

Q1. What is HSRP. How HSRP work.
Ans. 
HSRP stands for Hot Standby Router Protocol. It is a Cisco proprietary redundancy protocol used to provide high availability for routing.
• HSRP allows for two or more routers to work together in a group, sharing a virtual IP address and providing redundancy in case one router fails.

• One router is elected as the active router, handling traffic for the virtual IP address, while the other routers in the group remain in stand...read more
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Q2. What do you know about STP.
Ans. 
STP stands for Spanning Tree Protocol, used in network environments to prevent loops and ensure redundancy.
• STP is a network protocol used to prevent loops in Ethernet networks.

• It selects a single path for traffic within a network, blocking redundant paths to prevent loops.

• STP operates by exchanging messages between switches to detect loops and elect a root bridge.

• Common variants of STP include RSTP (Rapid Spanning Tree...read more
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Q3. What do you about Ether Channel
Ans. 
Ether Channel is a technology used in networking to combine multiple physical links into a single logical link for increased bandwidth and redundancy.
• Ether Channel is also known as Link Aggregation or Port Channel.

• It allows multiple physical links to be bundled together to form a single logical link.

• Ether Channel provides increased bandwidth and fault tolerance.

• It is commonly used in switch-to-switch or switch-to-serve...read more
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Q4. What do you know about RSTP
Ans. 
RSTP stands for Rapid Spanning Tree Protocol, a network protocol used to prevent loops in Ethernet networks.
• RSTP is an improvement over the original Spanning Tree Protocol (STP) and provides faster convergence in the network.

• It uses a variety of port roles such as root port, designated port, and alternate port to ensure loop-free topology.

• RSTP introduces new features like port roles, port states, and BPDU (Bridge Proto...read more
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Q1. Tell me about yourself
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Q1. Steps for upgrading firewall
Ans. 
Steps for upgrading firewall include planning, testing, implementing, and monitoring.
• 1. Plan the upgrade by identifying the current firewall model and version.

• 2. Backup the firewall configuration to ensure data safety.

• 3. Test the upgrade in a lab environment to identify any potential issues.

• 4. Implement the upgrade during a maintenance window to minimize downtime.

• 5. Monitor the firewall post-upgrade for any performance...read more
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Q2. Difference between http and https
Ans. 
HTTP is unsecured protocol while HTTPS is secured protocol using SSL/TLS encryption.
• HTTP stands for Hypertext Transfer Protocol, while HTTPS stands for Hypertext Transfer Protocol Secure.

• HTTP operates on port 80, while HTTPS operates on port 443.

• HTTP does not encrypt data, making it vulnerable to attacks like man-in-the-middle, while HTTPS encrypts data using SSL/TLS.

• HTTPS is indicated by a padlock icon in the browser'...read more
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Q1. Oops concept difference between mysql and postgres
Ans. 
MySQL and PostgreSQL are both popular relational database management systems, but they have differences in features, performance, and licensing.
• MySQL is known for its speed and ease of use, while PostgreSQL is known for its advanced features and extensibility.

• MySQL has a more permissive license compared to PostgreSQL's more restrictive license.

• PostgreSQL supports more advanced data types and features like JSON and XML ...read more
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Q1. Salary expectation
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About myself , like my Qualifications Or experience

Q1. Technical qualification and experience
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Q2. What you know about technical
Ans. 
Technical knowledge refers to understanding and expertise in a specific field of technology or engineering.
• Technical knowledge includes understanding of principles, concepts, and practices in a particular area.

• It involves proficiency in using tools, software, and equipment relevant to the field.

• Continuous learning and staying updated with advancements is crucial for maintaining technical knowledge.

• Examples of technical...read more
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Q1. I was asked by HR about my resume and my experience.
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Q1. Interviewer asked me about my resume, experience and related to my field.
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