DigiSME Cyber Security Engineer Lead Interview Questions and Answers for Experienced

Q1. How do you measure success at work?
Ans. 
Success at work is measured by achieving goals, delivering high-quality work, and receiving recognition.
• Achieving goals set by the team or organization

• Delivering high-quality work that meets or exceeds expectations

• Receiving recognition from colleagues, managers, or clients

• Meeting deadlines and completing tasks efficiently

• Contributing to the overall success of the team or project
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Q2. How many programming languages do you know?
Ans. 
I know multiple programming languages.
• I am proficient in Java, Python, and C++.

• I have experience with web development languages such as HTML, CSS, and JavaScript.

• I am familiar with scripting languages like Bash and PowerShell.

• I have worked with database query languages like SQL.

• I have knowledge of mobile app development languages like Swift and Kotlin.
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Create an API using Notepad to check if a string is a palindrome or not.

Q1. Solid principal
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Q1. Linux commands,
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Q2. Cloud technologies different services (iaas, paas, saas)
Ans. 
Cloud technologies offer different services like IaaS, PaaS, and SaaS for varying levels of control and management.
• IaaS (Infrastructure as a Service) provides virtualized computing resources over the internet, such as virtual servers and storage.

• PaaS (Platform as a Service) offers a platform allowing customers to develop, run, and manage applications without dealing with infrastructure.

• SaaS (Software as a Service) deli...read more
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Q3. What do you know AWS
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There was coding test

Q1. 2 technical rounds
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Q2. Merge sort algorithm
Ans. 
Merge sort is a divide and conquer algorithm that divides the input array into two halves, sorts them separately, and then merges them back together in sorted order.
• Divide the input array into two halves

• Recursively sort each half

• Merge the sorted halves back together
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Q1. Leetcode Easy question
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Chrome and Firefox Browser automation

Log file tail last n lines where n is configurable. Followup question on how you can optimize it further incase log file size is in TBs and incase it is cluster of servers

Q1. Detailed Technical background check and discussion on past projects.
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Q2. Messaging queue and best practices
Ans. 
Messaging queues are used to manage asynchronous communication between different components of a system.
• Use a reliable messaging queue system like RabbitMQ or Apache Kafka

• Ensure messages are properly formatted and serialized

• Implement message acknowledgement and retry mechanisms

• Monitor queue health and performance

• Consider message ordering and partitioning for scalability

• Avoid long-running tasks in message handlers
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Q3. Binary Search Tree twisted question
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Q4. Map Reduce concept for solving dictionary keywords
Ans. 
MapReduce is a programming model for processing large data sets in parallel.
• MapReduce divides the input data into chunks and processes them in parallel.

• It consists of two phases: Map and Reduce.

• Map function takes input data and converts it into key-value pairs.

• Reduce function takes the output of Map as input and combines the values with the same key.

• It is used for solving dictionary keywords by mapping each word to a k
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Machine coding round

Q1. TCP/IP related questions, what happens when you search a webpage?
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Q2. Past projects discussions
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Q1. Behavioural questions on how would you tackle a particular scenario
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Normal 3 leetcode medium questions

Machine coding round to design tail -f

Q1. Questions on internal working of os
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Q2. Questions on projects
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