Qualys Interview Questions, Process, and Tips

Q1. What is Code Splitting
Ans. 
Code splitting is a technique used to split code into smaller chunks that can be loaded on demand.
• Code splitting helps improve performance by reducing initial load times.

• It allows for lazy loading of code, meaning only necessary code is loaded when needed.

• Commonly used in React applications with tools like React.lazy() and Suspense.
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Q2. Create an enqueue function that will give an enqueue dequeue peek and size
Ans. 
Create an enqueue function with enqueue, dequeue, peek, and size operations.
• Create a class Queue with an array to store elements.

• Implement enqueue method to add elements to the queue.

• Implement dequeue method to remove elements from the queue.

• Implement peek method to return the first element in the queue.

• Implement size method to return the number of elements in the queue.
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Q3. Find the names of students whose average marks are greater than 85
Ans. 
Filter students with average marks > 85
• Calculate average marks for each student

• Filter students with average marks > 85

• Return names of filtered students
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Technical MCQ questions related to linux and cyber security concepts

Q1. What's false positives and what is false negatives
Ans. 
False positives are incorrect alerts that are mistakenly identified as threats, while false negatives are actual threats that are missed by the system.
• False positives are alerts that are incorrectly identified as threats by a security system.

• False negatives are actual threats that are missed by the security system.

• False positives can lead to wasted time and resources investigating non-existent threats.

• False negatives c...read more
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Q2. Explain OSI model
Ans. 
The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.
• The OSI model stands for Open Systems Interconnection model.

• It divides network communication into seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has specific functions and interacts with adjacent layers for data transmission.

• The mo...read more
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Q1. Tell me about your project
Ans. 
Developed a network monitoring tool to detect and prevent cyber attacks
• Designed and implemented a custom dashboard to visualize network traffic

• Utilized machine learning algorithms to detect anomalies in network behavior

• Integrated with SIEM tools for real-time threat detection

• Conducted regular penetration testing to assess the tool's effectiveness
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Q2. Phases while using terraform
Ans. 
Phases in using Terraform include initialization, planning, applying, and destroying.
• Initialization: Setting up Terraform environment with 'terraform init'

• Planning: Preview changes with 'terraform plan'

• Applying: Execute changes with 'terraform apply'

• Destroying: Remove resources with 'terraform destroy'
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Medium level data structure interview question

Q1. Was on sytem design. They asked to design s web crawler.
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Q1. Discussion with director. About past experience.
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Q2. Why looking for change ? What kind of work is there in qualys?
Ans. 
I am looking for change to explore new challenges and opportunities. Qualys offers a variety of work in cybersecurity and cloud security.
• Seeking new challenges and opportunities to grow professionally

• Interested in cybersecurity and cloud security

• Excited about the diverse range of projects at Qualys
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Q1. Cpp oops concepts
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Q2. Data structure question mostly asked
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Q1. Cpp question Multithreaded applications
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Q2. Data structure related question asked
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Q1. How to backup network device config?
Ans. 
Network device config can be backed up using tools like TFTP, SCP, or vendor-specific backup solutions.
• Use TFTP (Trivial File Transfer Protocol) to backup device config to a TFTP server.

• Use SCP (Secure Copy Protocol) to securely transfer config files to a remote server.

• Leverage vendor-specific backup solutions like Cisco's Configuration Archive or Juniper's Junos Space Network Director.

• Automate backups using scripts or...read more
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Q1. Brief about yourself
Ans. 
I am a Security Solution Architect with 10+ years of experience in designing and implementing security solutions for various organizations.
• 10+ years of experience in security architecture

• Expertise in designing and implementing security solutions

• Strong knowledge of security best practices

• Experience working with various organizations to enhance their security posture
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Q2. How to integrate entities
Ans. 
Integrating entities involves connecting different systems or components to work together seamlessly.
• Identify the entities that need to be integrated

• Determine the communication protocols and data formats for integration

• Develop APIs or middleware to facilitate communication

• Test the integration to ensure proper functionality

• Monitor and maintain the integration for ongoing performance
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