DELTA Interview Questions and Answers

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 ...read more

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

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

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.

Broadcasting in pandas allows operations on arrays of different shapes.

• Broadcasting is a mechanism that allows operations on arrays of different shapes.

• It extends smaller arrays to match the shape of larger arrays.

• Example: Adding a scalar to a DataFrame will broadcast the scalar to all elements.

• Example: Adding a Series to a DataFrame will broadcast the Series to match the DataFrame's shape.

Multithreading is the ability of a CPU to execute multiple threads concurrently, allowing for parallel processing.

• Multithreading allows for better utilization of CPU resources by running multiple threads simultaneously.

• Threads share the same memory space, making communication between them easier.

• Examples of multithreading in Python include using the 'threading' module to run multiple functions concurrently.

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

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

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...read more

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