Deutsche Telekom Digital Labs Interview Questions and Answers

ArrayList is better for random access, LinkedList is better for frequent insertions/deletions.

• ArrayList uses dynamic array to store elements, LinkedList uses doubly linked list.

• ArrayList provides fast random access to elements using index, LinkedList provides fast insertion/deletion at any position.

• Example: ArrayList is suitable for scenarios where random access is required like searching, LinkedList is suitable for sc...read more

Using Java8 streams to solve a problem

• Use stream() method to convert a collection into a stream

• Use filter() method to filter elements based on a condition

• Use map() method to transform elements

• Use collect() method to collect the elements into a new collection

The project involves creating a web-based platform for online shopping with features like user registration, product browsing, shopping cart, and payment processing.

• User registers on the platform with personal information

• User browses products by category or search

• User adds products to the shopping cart

• User proceeds to checkout and makes payment

• Order is confirmed and user receives a confirmation email

I have over 5 years of experience in cybersecurity, conducting risk assessments, implementing security measures, and responding to incidents.

• Conducted risk assessments to identify vulnerabilities and recommend security measures

• Implemented security measures such as firewalls, intrusion detection systems, and encryption protocols

• Responded to security incidents by investigating, containing, and mitigating the impact

• Collab...read more

Yes, I have experience in cloud security with a focus on securing data and applications in cloud environments.

• Implemented security measures to protect data stored in cloud services

• Configured and monitored security controls in cloud platforms like AWS and Azure

• Performed regular security assessments and audits to identify vulnerabilities

• Developed incident response plans for cloud security breaches

• Stayed updated on indust...read more

I have extensive experience in CyberArk and EntraId, including implementation, configuration, and troubleshooting.

• Implemented and configured CyberArk Privileged Access Security solution to manage and secure privileged accounts

• Performed regular maintenance and troubleshooting of CyberArk components such as Vault, CPM, and PSM

• Integrated CyberArk with EntraId for seamless access management and authentication

• Provided train...read more

Yes, I am comfortable and eager to skill up and learn AWS security.

• I have experience in cloud security and am familiar with AWS services.

• I am proactive in seeking out training and certifications to enhance my skills.

• I am excited about the opportunity to learn and grow in the field of AWS security.