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AT&T Network Security Engineer Interview Questions and Answers

Updated 30 Sep 2021

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Network Security Engineer Interview Questions

user image Mulayamsingh Yadav

posted on 30 Sep 2021

I applied via Naukri.com and was interviewed in Mar 2021.

3 Interview Rounds

Interview Questions

Interview Preparation Tips

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

Skills evaluated in this interview

Interview questions from similar companies

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

I applied via Naukri.com and was interviewed in May 2024.

2 Interview Rounds

1

Technical Round (1 Question)

  • Q1. Only tech round, technical question based on network and security?
2

One-on-one Round (1 Question)

  • Q1. HR round only to check communication skills

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare well and should have hands on experience.
Interview experience
4
 Good
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
Selected  Selected

I applied via Approached by Company and was interviewed in Nov 2024.

1 Interview Round

1

One-on-one Round (4 Questions)

  • Q1. 4g architect and interphase used?
  • Q2. Regarding throughput and sinr degradation how to improve?
  • Q3. How to calculate PRB?
  • Q4. OSS kpi knowledge?

Interview Preparation Tips

Interview preparation tips for other job seekers - Simply explain your daily activity role and basic kpi which are analysis day to day.
Interview experience
5
 Excellent
Difficulty level
 -
Duration
 -
Result
 -

3 Interview Rounds

1

One-on-one Round (2 Questions)

  • Q1. Self interduction
  • Q2. Pervious company experience
2

Technical Round (2 Questions)

  • Q1. Fiber colour coding
  • Q2. Splicing lan colour coding
3

HR Round (1 Question)

  • Q1. Salary discussion
Interview experience
5
 Excellent
Difficulty level
 -
Duration
 -
Result
 -

1 Interview Round

1

HR Round (2 Questions)

  • Q1. Tell mee about yourself
  • Q2. What is networking

Interview Preparation Tips

Interview preparation tips for other job seekers - nttg
Interview experience
5
 Excellent
Difficulty level
 Easy
Duration
 4-6 weeks
Result
Selected  Selected

I applied via Referral and was interviewed in May 2024.

2 Interview Rounds

1

Group Discussion Round

Network related questions

2

HR Round (2 Questions)

  • Q1. What is salary expectation?
  • Q2. Document verification
Interview experience
4
 Good
Difficulty level
 -
Duration
 -
Result
 -

1 Interview Round

1

Technical Round (1 Question)

  • Q1. Volte call flow
Interview experience
3
 Average
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
Selected  Selected

I applied via Referral and was interviewed in Mar 2024.

1 Interview Round

1

HR Round (5 Questions)

  • Q1. -tell us about yourself
  • Q2. -what experience do u have as a network engineer
  • Q3. What do you know about Huawei
  • Q4. What is MPLS protocol and in what situations do we use it
  • Q5. Explain the three different INTER_AS solutions their advantages and disadvantages

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare on your technical knowledge of protocols
MPLS
OSPF
RSVP
INTER_AS SOLUTIONS

Skills evaluated in this interview

Interview experience
5
 Excellent
Difficulty level
 -
Duration
 -
Result
 -

3 Interview Rounds

1

Resume Shortlist Round

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 Resume tips
2

Aptitude Test Round

Good .best . wonderful

3

Technical Round (5 Questions)

  • Q1. About BGP. All routine protocols
  • Q2. About switching protocol
  • Q3. About vlan taging .
  • Q4. About subnetin. & VLSM
  • Q5. DHCP.dhcp snooping

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident
Interview experience
5
 Excellent
Difficulty level
 Easy
Duration
 Less than 2 weeks
Result
Selected  Selected

I was interviewed in Jun 2023.

3 Interview Rounds

1

Resume Shortlist Round

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 Resume tips
2

Technical Round (7 Questions)

  • Q1. Osi layer, ip , epon and gpon
  • Q2. Osi layer,ip, epon and gpon
  • Q3. Osi layer, ip, epon and gpon
  • Q4. Mac work on which layer?
  • Q5. Ip work on which layer?
  • Q6. What is epon and gpon
  • Q7. What is ARP? what is pon
3

Technical Round (2 Questions)

  • Q1. What is subnetting and router work on which layer
  • Q2. Lan card work on which layer?

Interview Preparation Tips

Interview preparation tips for other job seekers - Network engineer

Skills evaluated in this interview

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AT&T Network Security Engineer Salary
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₹2.2 L/yr - ₹15.5 L/yr
15% more than the average Network Security Engineer Salary in India
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