Antuit Interview Questions and Answers

Q1. Explain any 1 of your Project.
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Q2. SQL: Explain difference between Delete, Truncate and Drop. Difference between Group by and Having. Asked to write a update query.
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Q3. Python: Difference between Set and Dictionary. Can we update key in dictionary? Write solution for given python question (nums = [1,2,3,4,5,7,10] target = 9 output = [1,5])
Ans. 
Set is a collection of unique elements, while dictionary is a collection of key-value pairs. Keys in dictionary can be updated.
• Set does not allow duplicate elements, while dictionary allows duplicate values but not duplicate keys.

• Dictionary uses key-value pairs for storing data, while set only stores individual elements.

• Example: Set - {1, 2, 3}, Dictionary - {'a': 1, 'b': 2}

• Yes, keys in dictionary can be updated by ass
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Q1. Explain projects where you have implemented ETL. Difference between aws lambda and aws glue
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Q2. Non-Technical questions
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Q1. How many EBS can be attached to single EC2
Ans. 
The maximum number of EBS volumes that can be attached to a single EC2 instance is 40.
• Maximum of 40 EBS volumes can be attached to a single EC2 instance

• Each EBS volume can be up to 16 TiB in size

• EBS volumes can be attached and detached while the instance is running
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Q2. Prerequisites for S3 Cross Region Replication
Ans. 
Prerequisites for S3 Cross Region Replication include enabling versioning, configuring IAM roles, and ensuring proper bucket policies.
• Enable versioning on both source and destination buckets

• Configure IAM roles with proper permissions for replication

• Ensure proper bucket policies are in place for cross region replication
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Q3. Docker Restart will change which attributes of comtainer
Ans. 
Docker Restart changes the container's attributes like IP address, hostname, and uptime.
• IP address of the container will change after restart

• Hostname of the container may change

• Uptime of the container will be reset

• Any changes made to the container's filesystem will be lost
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Q4. S3 vs EFS scenario based use cases.
Ans. 
S3 is ideal for storing static files like images and videos, while EFS is better for shared file storage among multiple EC2 instances.
• S3 is object storage, suitable for storing large amounts of unstructured data like images, videos, backups, and logs.

• EFS is a file storage service that can be mounted on multiple EC2 instances, making it ideal for shared file systems and databases.

• Use S3 for static website hosting, data ...read more
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Q5. Linux Commands and Chmod Calculation
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Q1. Some questions related to APIs/Postman.
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Q2. Some questions related to stakeholder management.
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Q3. Some easy questions related to SQL
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Q1. What are some key traits that an implementation analyst must have?
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Q2. Explain about your previous experience
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Q1. Have you ever mentored someone and have you ever led a team?
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Q2. How many micro-services you've worked with in a single project?
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Q3. How do you communicate among your team?
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Q1. Tell me about your self
Ans. 
I am a highly experienced Senior Database Administrator with a strong background in managing complex databases and optimizing performance.
• Over 10 years of experience in database administration

• Proficient in SQL, Oracle, MySQL, and MongoDB

• Skilled in database design, performance tuning, and troubleshooting

• Led successful database migration projects at previous companies
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Q2. Day today activity
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Q1. Why you want kukjh
Ans. 
I am passionate about database management and have extensive experience in the field.
• I have a strong background in database administration, with over 10 years of experience.

• I enjoy working with data and optimizing database performance.

• I am excited about the opportunity to work with a dynamic team and contribute to the success of the organization.
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Q2. Tujhhbb hhjuh. Huth
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Q1. How does a cell communicates between 2 sites.
Ans. 
Cells communicate between 2 sites through various signaling pathways, including direct cell-to-cell contact and chemical signaling.
• Cells can communicate through direct cell-to-cell contact, such as gap junctions or cell adhesion molecules.

• Cells can also communicate through chemical signaling, such as paracrine signaling (local signaling) or endocrine signaling (long-distance signaling).

• Examples include neurotransmitter...read more
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Q2. L3 layer details
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Q1. DSA problem to find the count of characters in a string
Ans. 
Use a hashmap to count the occurrences of each character in the string.
• Create a hashmap to store character counts

• Iterate through the string and update counts in the hashmap

• Return the hashmap with character counts
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Q2. VOiP related questions
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Mintu Babu lives in a smaller house than her brother and in a larger house than her parents. Her children reside with her, and she has no other relatives. If Mintu Babu's relative U lives in a larger house than her relative S, then all the following may be true except: \n\n1) S is U's father \n\n2) S is U's mother \n\n3) U is younger than S \n\n4) S is younger than U

Q1. 1. merge two linked list
Ans. 
Merge two sorted linked lists without creating new nodes by rearranging existing nodes.
• Traverse both linked lists simultaneously

• Compare the values of nodes and rearrange pointers accordingly

• Continue until one of the lists is fully traversed
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Q2. 2. reverse a linked list.
Ans. 
Reverse a linked list by changing the direction of pointers.
• Start with three pointers: current, previous, and next.

• Iterate through the linked list, updating pointers to reverse the direction.

• Update the head of the linked list to be the previous node once iteration is complete.
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It included mcqs and multiple coding questions.

Q1. Yours technical skillls related questions
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Q2. Managerial questions
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