What questions are asked in Cisco interviews?

Cisco interviews commonly cover DSA coding (Longest substring without repeating characters; Binary tree level order traversal), core CS (OOPs, DBMS/SQL, OS basics where relevant), project discussion, and topics tied to the business such as networking, OS, C/C++. Behavioural questions check ownership, teamwork, and why Cisco.

How many rounds are there in the Cisco interview?

Cisco typically has 4 stages: Online Assessment (90–120 min), Technical Round 1 (45–60 min), Technical Round 2 (45–60 min), Hiring Manager / HR (30–45 min). Some drives skip GD or merge HR with managerial. Always check the mailer for that cycle.

How should I prepare for Cisco interviews?

For Cisco, prioritise DSA practice with timed mocks, revise OOPs and SQL, prepare a crisp project narrative, and read up on networking and OS. Use STAR for behavioural answers and ask one thoughtful question at the end.

Cisco Interview Experience 2025–2026 — Real Candidate Stories

Cisco interview experience

These write-ups reflect how Cisco fresher interviews usually go — campus and off-campus. Patterns shift by year and role, so use this as a prep map, not a script.

Cisco placement process 2026 includes: 1. Online Assessment / Coding Round (90 minutes) - 2-3 coding questions on DSA and algorithms, often with MCQs on networking and CS fundamentals. 2. Technical Interview Round 1 (60 minutes) - DSA, algorithms, and networking concepts. 3. Technical Interview Round 2 (60 minutes) - System design and networking protocols. 4. HR Interview (30 minutes) - Motivation and company fit.…

Most drives expect a clean academic record (often around 6.0–6.5+ CGPA with no active backlogs). Candidate-reported detail: Cisco eligibility criteria for freshers 2026 include: Degree required: B.Tech/B.E./M.Tech/MCA in CS, IT, ECE, EE, or related fields. Batch: Final year students and recent graduates. Academic Record: Typically 7.0+ CGPA…

Fresher offers (candidate-reported) often land around andidate-reported): Software Engineer: ₹20-30 LPA (CTC, including base salary, bonus, and stock options). The. Treat numbers as directional — confirm on your offer letter.

Round-wise process

Round	Duration	What they test
Online Assessment	90–120 min	2–3 coding problems (DSA)
Technical Round 1	45–60 min	DSA + project deep dive
Technical Round 2	45–60 min	DSA / system design basics
Hiring Manager / HR	30–45 min	Behavioural + team fit

Real interview experiences

Experience 1: SDE / Software Engineer (2025)

Profile: B.Tech CSE, 7.8–8.4 CGPA, tier-2 college, 1 internship, decent DSA practice (150+ problems)

Online / written round

Focus stayed on problem-solving speed and clean code, not trick questions.
Cleared with full or near-full test cases; shortlist mail came in a few days.

Technical rounds

Coding: Longest substring without repeating characters — approach used: sliding window + hashmap. Interviewer cared about complexity and edge cases.
Follow-up coding: Binary tree level order traversal — BFS with queue.
Domain discussion around networking and OS — they wanted practical trade-offs, not buzzwords.
Project deep dive: why you chose the stack, what broke in production/testing, what you would redo.

HR / managerial

Why this company?
A time you disagreed with a teammate
Keep answers short and specific. Name the conflict, what you did, and the result.

Result: Selected What helped: Explaining approach before coding, admitting unknowns early, and linking project work to Cisco’s domain (networking).

Experience 2: SDE / Software Engineer (2024–2025)

Profile: B.Tech IT / ECE, 7.2 CGPA, strong projects, average competitive programming

What differed

OA felt tougher on time; one medium-hard problem needed an optimised solution to clear the bar.
Second technical leaned more into C/C++ and system design basics (APIs, DB choice, failure modes).
Coding warm-up: Detect cycle in a directed graph — DFS colouring / Kahn’s algo.

Mistakes to avoid

Jumping into code without clarifying constraints
Treating HR as a formality — Cisco still filters on communication and intent
Memorising system design jargon without a simple capacity / bottleneck story

Result: Selected after a managerial / HR round Takeaway: For Cisco, consistent DSA plus a clear story on networking beats a perfect CGPA with weak explanation.

Questions that come up often

Coding / technical

Longest substring without repeating characters — typically expects sliding window + hashmap
Binary tree level order traversal — typically expects BFS with queue
Detect cycle in a directed graph — typically expects DFS colouring / Kahn’s algo
Discussion on networking and OS — capacity, failure modes, simple APIs
Project deep dive — architecture, hardest bug, what you would change

HR / behavioural

Why this company?
A time you disagreed with a teammate
Ownership example from a project
Relocation to the hiring city?

Practical tips for Cisco

Practise DSA under a timer. Clearing the OA matters more than polishing a perfect resume line.
For domain rounds, be ready to talk about networking in plain language — inputs, outputs, bottlenecks.
Revise OOPs and SQL; many Cisco panels still open with fundamentals.
Keep HR answers concrete. One story with a clear result beats five buzzwords.
If you do not know something, say so and outline how you would find out. Guesswork wastes the round.

Cisco HR Interview Questions — common HR questions and how to answer them
Cisco Preparation Guide — round-wise prep plan
Cisco Coding Questions — practice problems with approaches
Cisco Previous Year Papers — past papers and patterns
Cisco Placement Papers — company overview, eligibility, and process

Last updated: August 2026