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Cisco TAC Engineer Interview Questions, Process, and Tips

Updated 24 Feb 2023

Top Cisco TAC Engineer Interview Questions and Answers

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Cisco TAC Engineer Interview Experiences

3 interviews found

TAC Engineer Interview Questions & Answers

user image Anonymous

posted on 24 Feb 2023

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
No response

I applied via Company Website and was interviewed in Jan 2023. 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 

(3 Questions)

  • Q1. What are the new flags which RSTP BPDU's introduces?
  • Ans. 

    RSTP BPDU introduces two new flags: TCN and Proposal.

    • TCN (Topology Change Notification) flag is used to indicate a topology change in the network.

    • Proposal flag is used to speed up the convergence process by allowing a switch to immediately transition to the forwarding state.

    • TCN flag is set by the root bridge and propagated to all switches in the network.

    • Proposal flag is set by a switch and sent to the root bridge.

    • Both ...

  • Answered by AI
  • Q2. A user is unable to SSH the server, how do you troubleshoot this?
  • Ans. 

    To troubleshoot SSH issue, check network connectivity, firewall settings, SSH configuration, and user permissions.

    • Check if the server is reachable over the network

    • Verify if the SSH service is running on the server

    • Check if the firewall is blocking SSH traffic

    • Verify SSH configuration on the server

    • Check if the user has the necessary permissions to access the server

    • Check SSH logs for any errors or warnings

  • Answered by AI
  • Q3. Why ARP is used? Different types of ARP
  • Ans. 

    ARP is used to map a network address (such as an IP address) to a physical address (such as a MAC address).

    • ARP stands for Address Resolution Protocol

    • It is used to resolve IP addresses to MAC addresses

    • There are two types of ARP: ARP Request and ARP Reply

    • ARP Request is used to find the MAC address of a device with a known IP address

    • ARP Reply is used to respond to an ARP Request with the MAC address of the device

    • ARP is im...

  • Answered by AI
Round 3 - One-on-one 

(3 Questions)

  • Q1. What happens when you type google.com on your web browser?
  • Ans. 

    When you type google.com on your web browser, it sends a request to Google's server and loads the website.

    • The browser sends a DNS request to resolve the domain name 'google.com' to an IP address

    • The browser establishes a TCP connection with Google's server

    • The browser sends an HTTP request to the server for the homepage of google.com

    • The server responds with the HTML code for the homepage

    • The browser renders the HTML code

  • Answered by AI
  • Q2. DNS query is resolved then TCP handshake and at last HTTP packets exchanged.
  • Q3. Explain DORA process
  • Ans. 

    DORA process is a four-step process used by DHCP to assign IP addresses to devices on a network.

    • DORA stands for Discover, Offer, Request, and Acknowledge.

    • Discover: The device sends a broadcast message to find available DHCP servers.

    • Offer: The DHCP server responds with an IP address offer.

    • Request: The device requests the offered IP address.

    • Acknowledge: The DHCP server acknowledges the request and assigns the IP address ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on basics, learn packet flows in detail. DHCP, DNS, ARP needs to be clear.

Skills evaluated in this interview

TAC Engineer Interview Questions & Answers

user image Anonymous

posted on 1 Aug 2021

I applied via Job Portal and was interviewed in Jul 2021. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. How to motivate a customer if case is on Escalation edge ?
  • Ans. 

    Motivating a customer on escalation edge

    • Show empathy and understanding of their frustration

    • Provide regular updates on the progress of the case

    • Offer solutions or workarounds to mitigate the issue

    • Highlight the importance of resolving the issue for their business

    • Escalate the case to higher management if necessary

    • Thank them for their patience and cooperation

  • Answered by AI
  • Q2. Try to bring the priority down of the said case and work internally and spend time with the customer more it will help you alot to find the solutions.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be always confident

TAC Engineer Interview Questions Asked at Other Companies

asked in Cisco
Q1. What are the new flags which RSTP BPDU's introduces?
asked in Cisco
Q2. A user is unable to SSH the server, how do you troubleshoot this?
asked in Cisco
Q3. What happens when you type google.com on your web browser?
asked in Cisco
Q4. How to motivate a customer if case is on Escalation edge ?
asked in Cisco
Q5. Why ARP is used? Different types of ARP

TAC Engineer Interview Questions & Answers

user image Anonymous

posted on 26 Sep 2022

I applied via Approached by Company and was interviewed before Sep 2021. There were 4 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 

(1 Question)

  • Q1. ++In depth understanding of basic networking and troubleshooting
Round 3 - Technical 

(1 Question)

  • Q1. ++Spanning tree and Troubleshooting of switching network
  • Ans. 

    Explanation of Spanning Tree Protocol and troubleshooting techniques for switching networks.

    • Spanning Tree Protocol (STP) is used to prevent loops in a network by blocking redundant paths.

    • Troubleshooting STP involves checking for blocked ports, incorrect root bridge selection, and misconfigured priority values.

    • Other common issues in switching networks include VLAN mismatches, port security violations, and broadcast stor...

  • Answered by AI
Round 4 - HR 

(1 Question)

  • Q1. ++Normal HR discussion

Interview Preparation Tips

Interview preparation tips for other job seekers - ++Be you
++Be confident
++Learn basic understanding of the protocols in depth

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. You Have a Data Stream and integers are coming at each second you have to identify the erroneous values.
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Recruitment Consulltant and was interviewed in Aug 2024. There were 2 interview rounds.

Round 1 - Phone Call 

(2 Questions)

  • Q1. Tell me about your previous company role ?
  • Ans. 

    I was a software engineer responsible for developing and maintaining web applications for a financial services company.

    • Developed and maintained web applications using technologies such as Java, Spring, and Angular

    • Collaborated with cross-functional teams to gather requirements and deliver solutions

    • Participated in code reviews and testing to ensure high quality software

    • Implemented new features and enhancements to improve

  • Answered by AI
  • Q2. Willing to join Arista ?
  • Ans. 

    Yes, I am willing to join Arista as a Software Engineer.

    • I am excited about the opportunity to work at Arista and contribute to their innovative projects.

    • I have researched the company and believe that my skills align well with their values and goals.

    • I am confident that I can make a positive impact on the team and help drive success at Arista.

  • Answered by AI
Round 2 - Coding Test 

One Hr interview with 3-4 coding questions on strings,array and linked list

I applied via LinkedIn and was interviewed in Oct 2021. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Javascript / UI related
Round 2 - Case Study 

SYSTEM Design

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on your core skills and system design knowledge.

I applied via Naukri.com and was interviewed in Jan 2022. There were 4 interview rounds.

Round 1 - Coding Test 

It's a one hour coding test which tests basic problem solving skills.

Round 2 - Technical 

(1 Question)

  • Q1. In this round interviewer tests your problem solving skills, you will be given a link to a coding platform and will be asked to solve couple of problems (1- easy, 2- medium). Approach will be considered ra...
Round 3 - One-on-one 

(1 Question)

  • Q1. This will test your technical skills for the domain you have been shortlisted for
Round 4 - One-on-one 

(1 Question)

  • Q1. It's kind of a behavioural round which targets your previous experiences and your exposure

Interview Preparation Tips

Interview preparation tips for other job seekers - Get your basics right. Work of Data-structures and Algorithms and All the Best!!!
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Mar 2024. There were 2 interview rounds.

Round 1 - Coding Test 

Question from Strings and Question from Linked Lists

Round 2 - Technical 

(2 Questions)

  • Q1. What are double pointers ?
  • Ans. 

    Double pointers are pointers that store the memory address of another pointer.

    • Double pointers are used in C and C++ to store the address of a pointer variable.

    • They are commonly used in functions to modify the value of a pointer passed as an argument.

    • Example: int **ptr; // declares a double pointer to an integer pointer.

  • Answered by AI
  • Q2. Discuss OOPS in Programming.
  • Ans. 

    OOPS stands for Object-Oriented Programming, a programming paradigm based on the concept of objects.

    • OOPS focuses on creating objects that contain both data and methods to manipulate that data.

    • Encapsulation, inheritance, and polymorphism are key principles of OOPS.

    • Example: Inheritance allows a class to inherit properties and methods from another class, promoting code reusability.

  • Answered by AI

Skills evaluated in this interview

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

I applied via Campus Placement and was interviewed before Jan 2023. There were 3 interview rounds.

Round 1 - Coding Test 

3 coding questions; 1 was of Trie, 1 was greedy and another was related to OOPs, and high level data structures

Round 2 - Technical 

(1 Question)

  • Q1. Based on resume, technical skills.
Round 3 - One-on-one 

(1 Question)

  • Q1. Again Technical skills and CS subjects knowledge
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Questions around software design

Cisco Interview FAQs

How many rounds are there in Cisco TAC Engineer interview?
Cisco interview process usually has 3-4 rounds. The most common rounds in the Cisco interview process are Technical, Resume Shortlist and HR.
What are the top questions asked in Cisco TAC Engineer interview?

Some of the top questions asked at the Cisco TAC Engineer interview -

  1. What are the new flags which RSTP BPDU's introduc...read more
  2. A user is unable to SSH the server, how do you troubleshoot th...read more
  3. What happens when you type google.com on your web brows...read more

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Cisco TAC Engineer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
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Cisco TAC Engineer Salary
based on 91 salaries
₹6 L/yr - ₹23 L/yr
66% more than the average TAC Engineer Salary in India
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based on 11 reviews

4.5/5

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4.5

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