Cisco Systems Interview Experience for SDE (On-Campus)

CISCO visited our campus to hire a Software Engineer and consultant Engineer for Intern+FTE. The recruitment drive consisted of 4 Rounds :

ROUND 1: ONLINE ASSESSMENT ROUND: There were 27 Questions having 25 MCQs and 2 Coding Questions. MCQs contain questions from OS, OOPs, Mathematical Aptitude, and the majority of Computer Networks.

ROUND 2: TECHNICAL INTERVIEW (Mode: Online, Duration: 50 Minutes, 2 Interviewers: 25 minutes each) :

• This round started with questions on my projects. I had 3 projects on ML, DBMS, and Front End. They asked me everything about Project.
• First, they asked me about ML Project
• Tell me about your projects.
• Why ML for this project?
• Technologies used for the project?
• What is Regression?
• Explain Linear Regression.
• What is the R-squared score?
• Why Django?
• About Sci-kit learn
• DBMS Project
• Tell me about your 2nd project.
• What is the difference between primary key and foreign key?
• Have you used foreign keys in your project?
• What are Joins explain?
• Explain Left Outer Join.
• They gave me a problem statement and asked me to explain E-R and its schema.
• What is schema?
• Asked me about DCL commands Indirectly.
• DSA
  • They gave me a problem statement, I had to tell which data structure I preferred to use and why?
  • Approach to reverse a linked list?
  • Asked me about time and space complexity for that and asked me to improvise it.
• CN
  • What is the function of the Transport Layer?
  • What do you know about DNS?
  • In detail on DNS.
• Question from my side
  • Experience and work culture in cisco.
  • What technologies should I be aware of before joining as an intern?

ROUND 3: TECH + MANAGERIAL INTERVIEW :

• Tell me about your projects.
• Overview of DBMS Project.
• What are the entities and keys used in your project?
• What all things do you know about RDBMS?
• What is the difference between Unique and Primary Keys?
• Find the middle element of an array in one pass.
• Questions from my side
  • What kept you on going starting as a fresher to manager in this field?
  • What difference did you find between DevOps from traditional methods?
  • What technologies should I be aware of before joining as an intern?

ROUND 4: ETR :

• Introduce yourself.
• What do you know about Cisco?
• Who are the competitors of Cisco?
• Are you planning to higher studies?
• Are you ready to relocate?
• My teamwork experience.
• No Questions from my side.

VERDICT: SELECTED

Final Tips:

• Make sure you know every tiny detail about your project because you will be asked to explain all your projects in both rounds 2 and 3.
• Don’t fake anything in the resume.
• Keep something to eat with you as the recruitment process started at 8:30 in the morning and went till 6:30 in the evening.
• Be calm, and confident, Keep a smile.