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Smartek21 Interview Questions and Answers
7 Interview questions
AlwaysOn is a high availability and disaster recovery feature in SQL Server that provides redundancy and failover capabilities.
AlwaysOn Availability Groups allow you to create a group of user databases that fail over together
AlwaysOn Failover Cluster Instances provide high availability for a single SQL Server instance
Automatic failover and read-only secondary replicas are key features of AlwaysOn
High Availability refers to the ability of a system to remain operational and accessible for a high percentage of time.
Ensures minimal downtime by providing redundancy and failover mechanisms
Involves clustering, replication, and load balancing to distribute workload
Common technologies used for achieving high availability include Always On Availability Groups in SQL Server
Clustering is the process of grouping together similar data points based on certain criteria.
Clustering helps in organizing data into meaningful groups for analysis.
It is commonly used in data mining and machine learning.
Examples include K-means clustering and hierarchical clustering.
Mail flow in Exchange 2013 involves sending and receiving emails through various components and connectors.
Emails are sent from clients to the Exchange server through SMTP protocol.
Exchange server processes the emails and routes them to the appropriate mailbox.
Emails can be sent internally within the organization or externally to other domains.
Exchange server uses transport services to deliver emails to the recipi...
The best bug I identified was a critical security vulnerability in the login system that could potentially expose sensitive user data.
Identified a critical security vulnerability in the login system
Potential exposure of sensitive user data
Promptly reported and fixed the issue to prevent any data breaches
Use dynamic programming to find the longest palindromic substring.
Start by creating a 2D array to store if substrings are palindromic.
Iterate through the string and fill the array based on palindromic conditions.
Track the longest palindromic substring found.
Example: Input 'babad', Output 'aba' or 'bab'.
AWS design problems are common in cloud computing. They require careful planning and implementation.
Identify the problem and its root cause
Consider scalability and availability
Choose the appropriate AWS service
Implement fault tolerance and disaster recovery
Monitor and optimize performance
Smartek21 Interview Experiences
12 interviews found
Anonymous
Selected
I appeared for an interview before Jul 2022.
(2 Questions)
- Q1. Basic SQL Questions
- Q2. DDL,DML,DQL CRUS OPERATIONS JOINS SQL BASIC QUESTIONS
ASKED ABOUT HOW YOU JOINS DONE IN SQL
I appeared for an interview in Mar 2025, where I was asked the following questions.
- Q1. All important core java questions with some simple springboot questions. Interview lasted for an hour.
- Q2. Questions on react life cycle, react hooks, Prop drilling, useEffect etc.
Interview Preparation Tips
(1 Question)
- Q1. Explain Mail Flow in Exchange 2013
- Ans.
Mail flow in Exchange 2013 involves sending and receiving emails through various components and connectors.
Emails are sent from clients to the Exchange server through SMTP protocol.
Exchange server processes the emails and routes them to the appropriate mailbox.
Emails can be sent internally within the organization or externally to other domains.
Exchange server uses transport services to deliver emails to the recipient's...
(1 Question)
- Q1. Managerial Discussion
(1 Question)
- Q1. Salary Discussion
Skills evaluated in this interview
Babu Venugopalan
(3 Questions)
- Q1. Explain AlwaysOn
- Ans.
AlwaysOn is a high availability and disaster recovery feature in SQL Server that provides redundancy and failover capabilities.
AlwaysOn Availability Groups allow you to create a group of user databases that fail over together
AlwaysOn Failover Cluster Instances provide high availability for a single SQL Server instance
Automatic failover and read-only secondary replicas are key features of AlwaysOn
- Q2. Explain High Availability
- Ans.
High Availability refers to the ability of a system to remain operational and accessible for a high percentage of time.
Ensures minimal downtime by providing redundancy and failover mechanisms
Involves clustering, replication, and load balancing to distribute workload
Common technologies used for achieving high availability include Always On Availability Groups in SQL Server
- Q3. Explain Clustering
- Ans.
Clustering is the process of grouping together similar data points based on certain criteria.
Clustering helps in organizing data into meaningful groups for analysis.
It is commonly used in data mining and machine learning.
Examples include K-means clustering and hierarchical clustering.
Interview Preparation Tips
Skills evaluated in this interview
Selected
Simply dsa question regarding sorting and object manipulation
(1 Question)
- Q1. Node js questions regarding event loop and load balancer
AGR
(1 Question)
- Q1. Basic oops concepts
(1 Question)
- Q1. Salary discussion
I applied via Referral
(2 Questions)
- Q1. DSA questions with focus on dynamic programming.
- Q2. Find longest palindromic substring
(1 Question)
- Q1. Why do you want to join us?
Interview Preparation Tips
Skills evaluated in this interview
Selected
(1 Question)
- Q1. What is best bug identitied in your career
- Ans.
The best bug I identified was a critical security vulnerability in the login system that could potentially expose sensitive user data.
Identified a critical security vulnerability in the login system
Potential exposure of sensitive user data
Promptly reported and fixed the issue to prevent any data breaches
(1 Question)
- Q1. HR discussion was generic
I applied via Naukri.com and was interviewed in Apr 2022. There were 3 interview rounds.
Coding test with scenarios
(2 Questions)
- Q1. More about career interest, aspiration etc
- Q2. Where do you see yourself 2 years from now
(1 Question)
- Q1. Compensation, notice period etc
Interview Preparation Tips
Interview Questionnaire
3 Questions
- Q1. I was interviewed on Node.js, React.js, and AWS.
- Q2. Basic questions of Web Development
- Q3. AWS Design Problems
- Ans.
AWS design problems are common in cloud computing. They require careful planning and implementation.
Identify the problem and its root cause
Consider scalability and availability
Choose the appropriate AWS service
Implement fault tolerance and disaster recovery
Monitor and optimize performance
Skills evaluated in this interview
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