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AT&T Technical Specialist Interview Questions and Answers
AT&T Technical Specialist Interview Experiences
2 interviews found
vamsee gunimeda
Selected
I applied via Naukri.com and was interviewed in Aug 2023. There were 4 interview rounds.
(1 Question)
- Q1. They will test your technical expertise
(1 Question)
- Q1. They will ask some managerial questions
(1 Question)
- Q1. Salary discussions
Anonymous
I applied via Naukri.com and was interviewed before Jan 2021. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Normal HR Questions
- Q2. Questions about your job profile
Interview Preparation Tips
Interview questions from similar companies
I applied via Recruitment Consultant and was interviewed before Aug 2020. There were 5 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Programming question like algo ds medium
- Q2. Assignment with a coding problem to check coding standards and correctness
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Mar 2021. There were 5 interview rounds.
Basic coding involving Data Structures/ Java Collections & their complexity analysis
Design Patterns
(1 Question)
- Q1. Fwk related questions, SpringBoot Hibernate Db. Architectural discussion on microservices
(1 Question)
- Q1. They will give you requirement to develop a small rest based web application & suit code in github
(1 Question)
- Q1. Questions related to experience, problem solving & network domain
(5 Questions)
- Q1. What are your salary expectations?
- Q2. Why are you looking for a change?
- Q3. Where do you see yourself in 5 years?
- Q4. What are your strengths and weaknesses?
- Q5. Tell me about yourself.
Interview Preparation Tips
- Collections
- Design Patterns
- Spring
- Data Structures
- Database
- Microservices
- Kafka
I applied via Recruitment Consulltant and was interviewed before Jun 2021. There were 3 interview rounds.
(1 Question)
- Q1. Java based questions, SQL queries, database, data structure and what is mentioned in resume
(1 Question)
- Q1. More of programming, algorithm and logics
(1 Question)
- Q1. Usual questions about previous experience and why choosing Nokia
Interview Preparation Tips
(1 Question)
- Q1. Details project technical questions
Selected
I applied via Recruitment Consulltant and was interviewed before Jul 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Data structure related question
- Q2. C++ containers vector, map
Implementation of LRU cache
Selected
I applied via Naukri.com and was interviewed before Oct 2022. There were 3 interview rounds.
(1 Question)
- Q1. Cucumber framework Rest assured Ci/CD Basic Sql queries
(1 Question)
- Q1. Process oriented question by manager
Selected
I applied via Approached by Company and was interviewed before Jan 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Java 8 Spring boot
- Q2. 1. Create Singleton class 2. Filter duplicate using java 8 stream
- Ans.
Create Singleton class and filter duplicates using Java 8 stream.
To create a Singleton class, make the constructor private and provide a static method to get the instance.
To filter duplicates using Java 8 stream, use the distinct() method.
Example: String[] array = {"apple", "banana", "apple", "orange"}; List
distinctList = Arrays.stream(array).distinct().collect(Collectors.toList());
(1 Question)
- Q1. Basic questions like Flexible with shift and times and locations
Interview Preparation Tips
Skills evaluated in this interview
I applied via Referral and was interviewed in Aug 2024. There were 3 interview rounds.
(2 Questions)
- Q1. Reverse linked list
- Q2. Find substring in a given string
- Ans.
Use string methods to find a substring within a given string.
Use the indexOf() method to find the starting index of the substring within the string.
Use the substring() method to extract the substring based on the starting index and length.
Consider using regular expressions for more complex substring matching.
(2 Questions)
- Q1. Find loop in linked list
- Ans.
Detecting a loop in a linked list
Use two pointers approach - slow and fast pointers
If there is a loop, the fast pointer will eventually meet the slow pointer
Check if the fast pointer reaches the end of the list (null) before meeting the slow pointer
- Q2. Delete node from linked list
- Ans.
To delete a node from a linked list, update the pointers of the previous node to skip the node to be deleted.
Traverse the linked list to find the node to be deleted.
Update the 'next' pointer of the previous node to skip the node to be deleted.
Free the memory allocated to the node to be deleted.
(2 Questions)
- Q1. What is your salary expectations
- Ans.
My salary expectations are based on my experience, skills, and the market rate for this position.
Research the average salary range for Technical Specialists in the industry and location
Consider your level of experience and expertise in the field
Factor in any additional benefits or perks offered by the company
Be prepared to negotiate based on the job responsibilities and requirements
- Q2. Your strength and weakness
- Ans.
My strength is my attention to detail and my weakness is my tendency to overthink.
Strength: Attention to detail - I always make sure to thoroughly review my work to catch any errors or inconsistencies.
Weakness: Overthinking - Sometimes I spend too much time analyzing a situation and struggle to make decisions quickly.
Skills evaluated in this interview
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AT&T Technical Specialist Interview Process
based on 1 interview
Interview experience
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AT&T Technical Specialist Reviews and Ratings
based on 31 reviews
Rating in categories
|
Technical Specialist
305
salaries
|  ₹15 L/yr - ₹38 L/yr |
|
Senior Associate
292
salaries
| ₹6.9 L/yr - ₹21.7 L/yr |
|
Network Engineer
235
salaries
| ₹2.9 L/yr - ₹14.1 L/yr |
|
Senior Technical Specialist
149
salaries
| ₹22.8 L/yr - ₹48 L/yr |
|
Senior Network Engineer
110
salaries
| ₹7 L/yr - ₹22 L/yr |
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