DELTA Interview Questions, Process, and Tips

Q1. What is SAML flow?
Ans. 
SAML flow is a process for exchanging authentication and authorization data between identity providers and service providers.
• SAML flow involves the exchange of XML-based security assertions.

• It typically includes steps such as authentication request, response, and validation.

• SAML flow can be initiated by a user trying to access a service that requires authentication.

• It helps establish trust between different systems by
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Q2. Explain more about pinfedarte?
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Pinfedarte is a security mechanism used in computer systems to prevent unauthorized access.
• Pinfedarte is a form of access control that restricts users from accessing certain resources or performing specific actions.

• It typically involves the use of passwords, encryption, biometrics, or other authentication methods.

• Pinfedarte helps protect sensitive information and prevent security breaches.

• Examples of pinfedarte include...read more
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Q1. Explain flows in OAUTH?
Ans. 
OAUTH flows are different ways in which a client application can obtain authorization to access resources on behalf of a user.
• Authorization Code Flow: Client exchanges an authorization code for an access token.

• Implicit Flow: Client receives access token directly.

• Client Credentials Flow: Client uses its own credentials to authenticate and receive access token.

• Resource Owner Password Credentials Flow: Client collects use...read more
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Q2. Do you know Dynatrace, sumologic tools?
Ans. 
Yes, I am familiar with Dynatrace and Sumo Logic tools.
• I have experience using Dynatrace for application performance monitoring and management.

• I have used Sumo Logic for log management and analytics.

• I am proficient in setting up alerts, dashboards, and troubleshooting issues using these tools.
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Q1. Explain broadcasting in pandas
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Q2. Explain multithreading
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Q1. Explain Spark architecture
Ans. 
Spark architecture is based on a master-slave architecture with a cluster manager to coordinate tasks.
• Spark has a master node that manages the cluster and worker nodes that execute tasks.

• It uses a cluster manager like YARN or Mesos to allocate resources and schedule tasks.

• Spark applications are run as independent sets of processes on a cluster, coordinated by the SparkContext object.

• It has a resilient distributed datas...read more
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Q2. Write a python program to greoup annagram
Ans. 
Python program to group anagrams in an array of strings
• Create a dictionary to store sorted strings as keys and corresponding anagrams as values

• Iterate through the array of strings, sort each string and add it to the dictionary

• Return the values of the dictionary as grouped anagrams
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Q1. How to achieve aws cross account sharing?
Ans. 
AWS cross account sharing can be achieved by using IAM roles and policies.
• Create an IAM role in the account that will share resources

• Define a trust policy in the role to allow the other account to assume the role

• Attach a policy to the role granting the necessary permissions

• In the receiving account, create an IAM role with a trust policy allowing the sharing account to assume the role

• Use the AWS CLI or console to assume
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Q2. Difference between logical plan and physical plan in pyspark?
Ans. 
Logical plan represents the high-level abstract representation of the computation to be performed, while physical plan represents the actual execution plan with specific optimizations and details.
• Logical plan is a high-level abstract representation of the computation to be performed.

• Physical plan is the actual execution plan with specific optimizations and details.

• Logical plan is created first and then optimized to gen...read more
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Q1. General questions about cultural fitment
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Online test of 45mins

Q1. 2 people took technical interview
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Q2. Normal sdet questions
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Q1. Normal problem solving questions
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Q1. Cultural fitness from hr director
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Q1. Interview is really nice. All are scenario based questions. Mostly on the project i have worked on.
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Q2. About REST APIs About OpenShift About Kafka
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Q1. Mostly on salary discussion
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