Cbay Systems System Engineer Interview Questions and Answers

Q1. Where do u see urself in 5 years?
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Q1. What is Stack and Queue?
Ans. 
Stack is a data structure that follows Last In First Out (LIFO) principle. Queue is a data structure that follows First In First Out (FIFO) principle.
• Stack: LIFO principle, push and pop operations, examples - function call stack, undo feature in software applications

• Queue: FIFO principle, enqueue and dequeue operations, examples - printer queue, message queue in operating systems
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Q2. Write a program to find reverse of a string without using inbuilt methods
Ans. 
Program to reverse a string without using inbuilt methods
• Create an empty string to store the reversed string

• Iterate through the original string from end to start and append each character to the new string

• Return the reversed string
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Q1. What is Dhcp server
Ans. 
DHCP server is a network server that automatically assigns IP addresses and other network configuration settings to devices on a network.
• Automatically assigns IP addresses to devices on a network

• Manages IP address allocation dynamically

• Reduces the need for manual configuration

• Helps in efficient network management
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Q2. What is Active directory
Ans. 
Active Directory is a directory service developed by Microsoft for Windows domain networks.
• Centralized database for managing network resources

• Stores information about users, computers, and other network objects

• Allows administrators to control access and permissions

• Facilitates single sign-on for users across network services
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Q3. What you think about Dns
Ans. 
DNS is a crucial system that translates domain names to IP addresses, enabling internet communication.
• DNS stands for Domain Name System

• It translates human-readable domain names (like google.com) to IP addresses (like 172.217.3.206)

• DNS helps in locating websites and other resources on the internet

• It consists of multiple components like DNS servers, resolvers, and zones

• DNS can be configured with different types of record
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Q4. Explain what is Dora process
Ans. 
DORA process stands for Define, Observe, Reflect, and Act. It is a problem-solving method used in engineering.
• Define the problem or goal

• Observe the current situation and gather data

• Reflect on the data and analyze possible solutions

• Act by implementing the best solution and evaluating the results
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Q5. What is bsod erro
Ans. 
BSOD error stands for Blue Screen of Death error, a common error in Windows operating systems.
• BSOD error is a stop error displayed on a blue screen when Windows encounters a critical error and has to stop.

• It usually includes an error code and a message indicating the cause of the error.

• Common causes of BSOD errors include hardware failures, driver issues, and software conflicts.
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Q1. Tell me something about your self
Ans. 
I am a dedicated and experienced System Engineer with a strong background in network infrastructure and troubleshooting.
• Over 5 years of experience in designing, implementing, and maintaining complex systems

• Proficient in network protocols such as TCP/IP, DNS, DHCP

• Skilled in troubleshooting hardware and software issues

• Certified in Cisco CCNA and CompTIA Network+

• Strong communication and problem-solving skills
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Q2. If the the system is getting slow what action will required
Ans. 
Investigate the root cause of the slowness and take appropriate actions to optimize the system performance.
• Check system resource utilization (CPU, memory, disk)

• Identify any recent changes or updates that may have caused the slowdown

• Review system logs for any errors or warnings

• Optimize system configurations and settings

• Consider upgrading hardware or software if necessary
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Q1. Why java string are immutable?
Ans. 
Java strings are immutable to ensure security, thread safety, and performance optimization.
• Immutable strings prevent malicious code from modifying the string content.

• Immutable strings can be safely shared across multiple threads without synchronization issues.

• Immutable strings allow for efficient memory allocation and garbage collection.

• String pool in Java is possible because of immutability.

• Examples of immutable class
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Q2. Why java doesn't support multiple inheritance?
Ans. 
Java doesn't support multiple inheritance to avoid the diamond problem.
• Multiple inheritance can lead to the diamond problem where a class inherits from two classes with a common parent.

• This can cause ambiguity in method calls and lead to code complexity.

• Java supports multiple interface inheritance to achieve similar functionality.

• For example, a class can implement multiple interfaces to inherit their methods.

• This allow...read more
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Q3. Simple coding questions
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Python

Reasoning type questions

Q1. Tell me about yourself
Ans. 
I am a dedicated and experienced System Engineer with a strong background in network infrastructure and troubleshooting.
• Over 5 years of experience in designing, implementing, and maintaining network systems

• Proficient in troubleshooting hardware and software issues

• Skilled in network security protocols and best practices

• Certified in Cisco CCNA and CompTIA Network+

• Strong communication and problem-solving skills
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Q2. Past company projects
Ans. 
I have worked on various projects in my past company, including network infrastructure upgrades, server migrations, and implementing security measures.
• Upgraded network infrastructure to improve performance and reliability

• Migrated servers to new hardware for better efficiency

• Implemented security measures such as firewalls and encryption protocols
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It's all about verbal,quant and puzzle

Q1. What are your strengths?
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Q2. Who can you justify your job?
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