Upload Button Icon Add office photos

AT&T

Compare button icon Compare button icon Compare

Filter interviews by

Clear (1)

AT&T Network Security Engineer Interview Questions and Answers

Updated 30 Sep 2021

AT&T Network Security Engineer Interview Experiences

1 interview found

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
  • 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
  • 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
  • Q4. Some situations based 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

I was interviewed in Nov 2016.

Interview Preparation Tips

Round: Resume Shortlist
Experience: I was asked to submit my r

I applied via Campus Placement and was interviewed before Mar 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

There was total 100questions all are related to our diploma/btech paper..very easy

Round 2 - Technical 

(1 Question)

  • Q1. Technical round was very impressive and cool...just asked little little questions and they are see only confidence level.
Round 3 - HR 

(3 Questions)

  • Q1. Tell me about yourself.
  • Q2. Where do you see yourself in 5 years?
  • Q3. What is your family background?

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and stay fit ... 👁️ Contact

I was interviewed in Jan 2017.

Interview Preparation Tips

Round: Test
Duration: 30 minutes
Total Questions: 20

College Name: Jaypee University Of Information Technology, Solan

I was interviewed before Sep 2020.

Interview Questionnaire 

1 Question

  • Q1. Tell me about yourself

Interview Preparation Tips

Interview preparation tips for other job seekers - Be calm and confident to answer

I applied via Recruitment Consultant and was interviewed before Jan 2020. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. How you handle a situation which Is about to escalate and beyond your capabilities?
  • Q2. What is your greatest failure of life. How you overcome it?
  • Q3. How do you adapt to changes?

Interview Preparation Tips

Interview preparation tips for other job seekers - Interviewer need to assess candidates as per below:
1) Attitude
2) Flexibility
3) Knowledge

I applied via Walk-in and was interviewed before Jul 2020. There was 1 interview round.

Interview Questionnaire 

4 Questions

  • Q1. Artitecture and
  • Q2. Fields activity
  • Q3. Transmission knowledge
  • Q4. BTS, BSC

Interview Preparation Tips

Interview preparation tips for other job seekers - Knowledge important

I applied via Apna Jobs and was interviewed before Oct 2021. There were 2 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 Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. Tell me about yourself?
  • Q2. What is your ambition?

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confidant. They are asking about your technical knowledge. Thats it.

Interview Questionnaire 

5 Questions

  • Q1. Tell me about yourself?
  • Ans. 

    I am a dedicated network engineer with 5 years of experience in designing, implementing, and troubleshooting complex network infrastructures.

    • Experienced in configuring routers, switches, firewalls, and load balancers

    • Skilled in network security protocols such as VPNs, ACLs, and IDS/IPS

    • Proficient in network monitoring tools like Wireshark and Nagios

    • Certified in Cisco CCNA and CCNP

  • Answered by AI
  • Q2. What is OFC?
  • Ans. 

    OFC stands for Optical Fiber Cable, which is a type of cable made of glass or plastic fibers that transmit data using light.

    • OFC is used for high-speed data transmission over long distances.

    • It is commonly used in telecommunications, internet, and cable TV networks.

    • OFC is more reliable and has higher bandwidth than traditional copper cables.

    • Examples of OFC include single-mode fiber and multi-mode fiber.

    • OFC requires speci...

  • Answered by AI
  • Q3. What is multiplexer and de multiplexer?
  • Ans. 

    Multiplexer is a device that combines multiple signals into one signal. Demultiplexer is a device that separates one signal into multiple signals.

    • Multiplexer is also known as MUX.

    • It is used to increase the capacity of a communication channel.

    • Demultiplexer is also known as DEMUX.

    • It is used to route a single input signal to multiple output signals.

    • Multiplexer and demultiplexer are commonly used in digital communication s...

  • Answered by AI
  • Q4. What is OTDR?
  • Ans. 

    OTDR stands for Optical Time Domain Reflectometer. It is a device used to test and troubleshoot fiber optic networks.

    • OTDR sends a pulse of light into the fiber and measures the time and strength of the reflected signal.

    • It can detect faults such as breaks, bends, and splices in the fiber.

    • OTDR can also measure the length of the fiber and the attenuation of the signal.

    • It is an essential tool for maintaining and repairing ...

  • Answered by AI
  • Q5. Why Should we hire you?
  • Ans. 

    I have a strong technical background, excellent problem-solving skills, and a proven track record of successfully implementing network solutions.

    • Extensive experience in designing, implementing, and managing complex network infrastructures

    • Strong knowledge of network protocols and technologies such as TCP/IP, VLANs, and routing protocols

    • Proven ability to troubleshoot network issues and implement effective solutions

    • Excell...

  • Answered by AI

Interview Preparation Tips

Round: Resume Shortlist
Experience: B.Tech in Ece

Skills evaluated in this interview

I applied via Campus Placement and was interviewed before May 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

Technically

Round 2 - One-on-one 

(2 Questions)

  • Q1. Tell me about yourself
  • Q2. As a fresher, why you want to join our organisation
Round 3 - HR 

(1 Question)

  • Q1. What are your pros and cons

Interview Preparation Tips

Interview preparation tips for other job seekers - excellent company and work culture is also good
Contribute & help others!
anonymous
You can choose to be anonymous

AT&T Interview FAQs

What are the top questions asked in AT&T Network Security Engineer interview?

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

  1. What is difference between phase of site to site v...read more
  2. What is N...read more
  3. What know about B...read more

Recently Viewed

REVIEWS

Bharti Airtel

No Reviews

SALARIES

iEnergizer

SALARIES

Conneqt Business Solutions

INTERVIEWS

Bharti Airtel

10 top interview questions

SALARIES

Bharti Airtel

SALARIES

HGS

SALARIES

Concentrix Corporation

SALARIES

iEnergizer

SALARIES

iEnergizer

SALARIES

Altruist Technologies

Tell us how to improve this page.

Interview Questions from Similar Companies

Bharti Airtel Interview Questions
4.0
 • 843 Interviews
Vodafone Idea Interview Questions
4.1
 • 551 Interviews
Ericsson Interview Questions
4.1
 • 410 Interviews
Nokia Interview Questions
4.1
 • 267 Interviews
ACT Fibernet Interview Questions
4.0
 • 133 Interviews
Verizon Interview Questions
4.1
 • 110 Interviews
View all
AT&T Network Security Engineer Salary
based on 23 salaries
₹2.2 L/yr - ₹15.5 L/yr
16% more than the average Network Security Engineer Salary in India
View more details
Technical Specialist
306 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Senior Associate
276 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Network Engineer
235 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Senior Technical Specialist
137 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Senior Network Engineer
110 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Explore more salaries
Compare AT&T with

Verizon

4.1
Compare

Vodafone Idea

4.1
Compare

Bharti Airtel

4.0
Compare

Reliance Communications

4.0
Compare
Did you find this page helpful?
Yes No
write
Share an Interview