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AT&T

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4.1

based on 427 Reviews

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AT&T Interview Questions, Process, and Tips

Updated 20 Jan 2025

Top AT&T Interview Questions and Answers

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AT&T Interview Experiences

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54 interviews found

Network Engineer Interview Questions & Answers

user image Anonymous

posted on 9 Jun 2021

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Mar 2022. There was 1 interview round.

Interview Questionnaire 

16 Questions

  • Q1. Introduce yourself
    • Add your answer
  • Q2. How many years of experience?
    • Add your answer
  • Q3. Are you technical or non technical?
    • Add your answer
  • Q4. Tell me your job Roles and responsibilities?
    • Add your answer
  • Q5. What is your current CTC?
    • Add your answer
  • Q6. What is your expected CTC?
  • Ans. 

    My expected CTC is negotiable based on the job responsibilities, company size, and location.

    • My expected CTC is based on my experience, skills, and industry standards.

    • I am open to discussing the compensation package during the interview process.

    • I am looking for a competitive salary that aligns with my qualifications and the market rate.

    • Answered by AI
    Add your answer
  • Q7. What's your graduation?
    • Add your answer
  • Q8. What's your preferred job location?
    • Add your answer
  • Q9. You're from which state?
    • Add your answer
  • Q10. Do ready for technical round?
    • Add your answer
  • Q11. Once compete your technical round will let you know
    • Add your answer
  • Q12. What it is your notice period?
    • Add your answer
  • Q13. What's is your current company?
    • Add your answer
  • Q14. What's your job rol
    • Add your answer
  • Q15. Are you able to do rotational shifts?
  • Ans. 

    Yes, I am able to do rotational shifts as required for the job.

    • I am flexible with my work schedule and can adapt to different shifts

    • I have previous experience working in rotational shifts

    • I understand the importance of maintaining network operations 24/7, which may require working different shifts

    • Answered by AI
    Add your answer
  • Q16. Are you able to night shift?
    • Add your answer

Network Engineer Interview Questions asked at other Companies

Q1. TCP/IP layers, why is transport needed for communication? What is Subnet mask and how does it help in data communication. Why is Vlan needed? Based on what information does a switch and router send a packet or frame? Types of arp, What is p... read more
View answer (2)

Senior Systems Engineer Interview Questions & Answers

user image Anonymous

posted on 4 Aug 2022

I applied via Company Website and was interviewed in Feb 2022. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. All about Linux the asked for
    • Add your answer
  • Q2. They will randomly ask questions about Linux
    • Add your answer
Round 2 - Case Study 

Who you handle particular situation

Interview Preparation Tips

Interview preparation tips for other job seekers - Whatever people say never listen them and keep learning keep learning.
This is the key only I can say.

Senior Systems Engineer Interview Questions asked at other Companies

Q1. Nth Prime Number Problem Statement Find the Nth prime number given a number N. Explanation: A prime number is greater than 1 and is not the product of two smaller natural numbers. A prime number has exactly two distinct positive divisors: 1... read more
Add answer

Devops Engineer Interview Questions & Answers

user image Anonymous

posted on 16 Mar 2022

I applied via Naukri.com and was interviewed in Sep 2021. There were 4 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. About your current work, roles and responsibilities, how do you debug issues more on kubernetes
    • Add your answer
Round 2 - Technical 

(1 Question)

  • Q1. Questions on Docker, multistage dockerfile, all about docker and its troubleshooting
    • Add your answer
Round 3 - Technical 

(1 Question)

  • Q1. Jenkins plugin debugging, kubernetes issues debugging, branching strategies, release management and shell scripting on how would you monitor k8 crashing pods in all namespaces
    • Add your answer
Round 4 - HR 

(1 Question)

  • Q1. About previous experience, more on work culture and why do you want to switch
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well on all troubleshooting n issue debugging and read the JD well

Devops Engineer Interview Questions asked at other Companies

Q1. Reverse the StringYou are given a string 'STR'. The string contains [a-z] [A-Z] [0-9] [special characters]. You have to find the reverse of the string. For example: If the given string is: STR = "abcde". You have to print the string "edcba... read more
View answer (3)

Senior Associate Interview Questions & Answers

user image Anonymous

posted on 3 May 2023

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before May 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Explain the architecture of Kubernetes
  • Ans. 

    Kubernetes is a container orchestration platform that manages and automates the deployment, scaling, and management of containerized applications.

    • Kubernetes uses a master-slave architecture with a control plane and worker nodes.

    • The control plane manages the overall state of the cluster and schedules workloads to the worker nodes.

    • Worker nodes run the containers and communicate with the control plane to receive instructi...

    • Answered by AI
    Add your answer
  • Q2. Give case study scenario where you implemented a app through any cloud provider (I preferred with azure)
    • Add your answer
Round 3 - Technical 

(3 Questions)

  • Q1. Explain the garbage collection process in java
  • Ans. 

    Garbage collection is an automatic process of freeing up memory by removing unused objects.

    • Java uses a mark-and-sweep algorithm for garbage collection

    • Objects that are no longer referenced are marked for deletion

    • The garbage collector runs periodically to remove the marked objects

    • Finalize() method can be used to perform cleanup operations before an object is deleted

    • Answered by AI
    Add your answer
  • Q2. Explain how did you implemented CI CD integration through Jenkins
  • Ans. 

    Implemented CI/CD integration through Jenkins using pipeline as code approach

    • Created a Jenkins pipeline job and defined stages for build, test, and deploy

    • Integrated source code management tool like Git with Jenkins

    • Used Jenkins plugins like Maven, Docker, and Kubernetes for building, packaging, and deploying the application

    • Configured Jenkins to trigger the pipeline on every code commit or merge to the main branch

    • Enabled...

    • Answered by AI
    Add your answer
  • Q3. Describe how Azure hosted AKS works
  • Ans. 

    Azure hosted AKS is a managed Kubernetes service that simplifies deployment and management of containerized applications.

    • AKS stands for Azure Kubernetes Service

    • AKS is a fully managed Kubernetes container orchestration service

    • AKS automates the deployment, scaling, and management of containerized applications

    • AKS integrates with other Azure services such as Azure Active Directory, Azure Monitor, and Azure Container Regist

    • Answered by AI
    Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Stick to your resume and do good basic prep in technologies that you’ve mentioned in your resume

Skills evaluated in this interview

Senior Associate Interview Questions asked at other Companies

Q1. On an average, how many invoices can you process in a day?
View answer (10)

AT&T interview questions for popular designations

 Network Engineer

 (4)

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 (2)

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 (2)

 Technical Intern

 (2)

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 (2)

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 (1)

 Associate Quality Assurance Engineer

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 Customer Service Agent

 (1)

RAN Engineer Interview Questions & Answers

user image KAMAL KUMAR

posted on 26 Jul 2022

I applied via Naukri.com and was interviewed before Jul 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Technical 

(4 Questions)

  • Q1. Rssi , kpi, Nsb, dus to bbu migration
    • Add your answer
  • Q2. Lte architecture ,lte frame
    • Add your answer
  • Q3. Tdd ,fdd , half duplex and full duplex
    • Add your answer
  • Q4. Call flow , scripts work
    • Add your answer

Interview Preparation Tips

Topics to prepare for AT&T RAN Engineer interview:
  • LTE
Interview preparation tips for other job seekers - Need to be confident and formal dress .and try to be a smile 😃 on your face

RAN Engineer Interview Questions asked at other Companies

Q1. Whats is MCR ?How we can improve MCR? What is the reason of MCR?
View answer (4)

Get interview-ready with Top AT&T Interview Questions

Network Security Engineer Interview Questions & Answers

user image Mulayamsingh Yadav

posted on 30 Sep 2021

I applied via Naukri.com and was interviewed in Mar 2021. There were 3 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. What is difference between phase of site to site vpn?
  • Ans. 

    The phases of site-to-site VPN are the steps involved in establishing and maintaining a secure connection between two networks.

    • Phase 1: Authentication and key exchange

    • Phase 2: Data encryption and tunnel establishment

    • Phase 3: Traffic protection and monitoring

    • Each phase has its own set of protocols and processes

    • For example, in Phase 1, the VPN peers authenticate each other using methods like pre-shared keys or digital ce

    • Answered by AI
    View 1 more answer
  • Q2. What is NAT?
  • Ans. 

    NAT stands for Network Address Translation. It is a technique used to map a public IP address to a private IP address.

    • NAT is used to conserve public IP addresses.

    • It allows multiple devices to share a single public IP address.

    • NAT can be implemented using hardware or software.

    • There are three types of NAT: Static NAT, Dynamic NAT, and Port Address Translation (PAT).

    • Answered by AI
    Add your answer
  • Q3. What know about BGP?
  • Ans. 

    BGP stands for Border Gateway Protocol, a routing protocol used to exchange routing information between different networks.

    • BGP is used to connect different autonomous systems (AS) on the internet.

    • It is a path-vector protocol that selects the best path for data to travel based on various attributes.

    • BGP is used by internet service providers (ISPs) to exchange routing information with each other.

    • It is a complex protocol t...

    • Answered by AI
    Add your answer
  • Q4. Some situations based questions
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared first basic fundamentals

Skills evaluated in this interview

Network Security Engineer Interview Questions asked at other Companies

Q1. which protocols are used in transport layer of the OSI model?
View answer (1)

Jobs at AT&T

View all

Senior Network Architect Interview Questions & Answers

user image Seman Malarvendhan

posted on 19 Dec 2020

Interview Questionnaire 

5 Questions

  • Q1. What are the challenges you have faced in your career? how you mitigate those challenges in to solution?
    • Add your answer
  • Q2. Which is your biggest achievement in your career?
    • Add your answer
  • Q3. Which is your special skill differentiated from others?
    • Add your answer
  • Q4. What strategy you will follow while addressing customer queries?.
  • Ans. 

    I will follow a customer-centric approach and ensure timely and accurate resolution of their queries.

    • Listen actively to understand their concerns

    • Empathize with their situation

    • Provide clear and concise answers

    • Offer solutions that meet their needs

    • Follow up to ensure their satisfaction

    • Answered by AI
    Add your answer
  • Q5. What is your biggest strength which help your growth?
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - While answering your questions, don't panic and don't close your eyes, the answer should be loud and clear.

Senior Network Architect Interview Questions asked at other Companies

Q1. What strategy you will follow while addressing customer queries?.
View answer (1)

Network Engineer Interview Questions & Answers

user image Anonymous

posted on 29 Apr 2021

Interview Questionnaire 

2 Questions

  • Q1. Learn from basic and be confident.Lan wan F5 firewall if any
    • Add your answer
  • Q2. Be confident and only put on resume what you know.
    • Add your answer

Network Engineer Interview Questions asked at other Companies

Q1. TCP/IP layers, why is transport needed for communication? What is Subnet mask and how does it help in data communication. Why is Vlan needed? Based on what information does a switch and router send a packet or frame? Types of arp, What is p... read more
View answer (2)

Telesales/Telemarketing Executive/Officer Interview Questions & Answers

user image Anonymous

posted on 23 Apr 2021

I applied via Company Website and was interviewed in Mar 2021. There were 2 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Introduce myself? About At&t? Why i choose this job?
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Hai....This is my small advice if are waiting for a interview.You should make your english communication fluent.Try to know more about the company. Be confident and dont get panick about the questions. Just keep trying you will surely achieve your goal..All the best.

Telesales/Telemarketing Executive/Officer Interview Questions asked at other Companies

Q1. Why mechanical engineering?
View answer (1)

Network Engineer Interview Questions & Answers

user image Anonymous

posted on 24 Jul 2022

I applied via Walk-in and was interviewed before Jul 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Information about Networking?
  • Ans. 

    Networking is the practice of connecting devices together to share resources and communicate with each other.

    • Networking involves the use of protocols and technologies such as TCP/IP, DNS, DHCP, and VLANs.

    • Networks can be wired or wireless, and can span across local or wide areas.

    • Networking also includes security measures such as firewalls, VPNs, and encryption.

    • Examples of network devices include routers, switches, hubs,

    • Answered by AI
    Add your answer
  • Q2. Practical Test for networking?
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Switch and WiFi Network Troubleshooting. My good skill all works helps a lot.

Skills evaluated in this interview

Network Engineer Interview Questions asked at other Companies

Q1. TCP/IP layers, why is transport needed for communication? What is Subnet mask and how does it help in data communication. Why is Vlan needed? Based on what information does a switch and router send a packet or frame? Types of arp, What is p... read more
View answer (2)

Top trending discussions

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Interview Tips & Stories
2w
heartwarmingracoon
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·
works at
Esways Conglomerate
Post interview process
I am working as a front-end developer for 4.5years in a same company. So I think this is the right time to switch my job. I attended F2F interview yesterday(21-01-25) at TCD, I completed two rounds of interview and wait for a while, they say you may leave now you got a call from us soon. Is they call me either I cleared the interview or not cleared it, or they call only I cleared the interview? Can I wait for the call or focus on other interview?
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More about working at AT&T

AT&T Interview FAQs

How many rounds are there in AT&T interview?
AT&T interview process usually has 2-3 rounds. The most common rounds in the AT&T interview process are Technical, Resume Shortlist and HR.
How to prepare for AT&T interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at AT&T. The most common topics and skills that interviewers at AT&T expect are Information Technology, WiFi, Python, Product Management and SQL.
What are the top questions asked in AT&T interview?

Some of the top questions asked at the AT&T interview -

  1. Informatica - Difference between router and filter transformat...read more
  2. Informatica - How can we handle duplicates in mappi...read more
  3. Informatica - What are lookups and their types? Differences between those types...read more
How long is the AT&T interview process?

The duration of AT&T interview process can vary, but typically it takes about less than 2 weeks to complete.

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Interview Questions for Popular Designations

AT&T Interview Process

based on 45 interviews

Interview experience

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AT&T Reviews and Ratings

based on 427 reviews

4.1/5

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3.7

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4.1

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4.2

Salary

3.7

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4.0

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3.6

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3.8

Work satisfaction

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