Cisco interview practice
Cisco Online Assessment and Coding Interview Practice Start with verified evidence.
Practice from 35 Cisco-tagged public coding problems, organized only by the stage, topic, difficulty, and recency metadata FastPrep can verify.
- Catalog
- 35 public practice assets (35 coding)
- Start here
- Use the stage named in your invitation
- Evidence
- OA · Phone metadata, shown in context
OA practice path
Online Assessment
Build a timed implementation rhythm from prompt to edge cases. Problems are ranked by repeated public catalog sightings.
34 Cisco-tagged Online Assessment problems available.
| Company | Problem | Difficulty | Public evidence | Action |
|---|---|---|---|---|
CICisco | Find Maximum DifferenceArrayGreedy | Easy | 3 public reportsLast reported Mar 2025 | Practice |
CICisco | Find Last CellMatrixSimulation | Medium | 3 public reportsLast reported Jan 2025 | Practice |
CICisco | FizzBuzz ProblemMathSimulation | Easy | 2 public reportsLast reported May 2025 | Practice |
CICisco | Find Largest Sum Contiguous SubarrayArrayDynamic Programming | Easy | 2 public reportsLast reported May 2025 | Practice |
CICisco | Find Largest Sum of Continuous SequenceArrayDynamic Programming | Easy | 2 public reportsLast reported May 2025 | Practice |
CICisco | Find Palindrome Sub-stringStringDynamic Programming | Medium | 2 public reportsLast reported May 2025 | Practice |
CICisco | Maximum Chocolates from Jars (L.C. 198 :)Dynamic ProgrammingArray | Easy | 2 public reportsLast reported Mar 2025 | Practice |
CICisco | Find Elements Largest in Row Smallest in ColumnMatrix | Easy | 2 public reportsLast reported Mar 2025 | Practice |
CICisco | Identify the Non-Twin PersonHash TableArray | Easy | 2 public reportsLast reported Mar 2025 | Practice |
CICisco | Find Minimum Cost to Shift MachinesArrayDynamic Programming | Hard | 2 public reportsLast reported Jan 2025 | Practice |
CICisco | Collect CoinsTreeDepth-First Search | Hard | 1 public reportLast reported Jun 2025 | Practice |
CICisco | Count Numbers with Digit SumMathDynamic Programming | Easy | 1 public reportLast reported Mar 2025 | Practice |
CICisco | Minimum Steps to Achieve Target StateBreadth-First SearchGraph | Hard | 1 public reportLast reported Oct 2024 | Practice |
CICisco | Rotate MatrixMatrix | Easy | 1 public reportLast reported Oct 2024 | Practice |
CICisco | Longest Palindromic SubstringStringDynamic Programming | Medium | 1 public reportLast reported Sep 2024 | Practice |
CICisco | Pilot Drop Food PacketHash TableGreedy | Medium | 1 public reportLast reported Sep 2024 | Practice |
CICisco | Compact the ListArrayIntervals | Easy | 1 public reportLast reported Sep 2024 | Practice |
CICisco | Convert Simple Password to ComplexStringDynamic Programming | Medium | 1 public reportLast reported Sep 2024 | Practice |
CICisco | Find Out Prime or CompositeMath | Easy | 1 public reportLast reported Sep 2024 | Practice |
CICisco | Add NumbersLinked ListMath | Easy | 1 public reportLast reported Sep 2024 | Practice |
Phone practice path
Phone Screen
Practice solving while explaining assumptions, tradeoffs, and complexity. Problems are ranked by repeated public catalog sightings.
| Company | Problem | Difficulty | Public evidence | Action |
|---|---|---|---|---|
CICisco | Longest Non-Repeating SubstringStringHash Table | Medium | 1 public reportLast reported Jul 2026 | Practice |
01 · Preparation plan
Build assessment fluency across strings, arrays, and grids.
Cisco's public coding set supports an implementation-focused preparation path. Rotate between a string window, a one-dimensional optimization, and an in-place matrix operation. These are software-interview skills; networking certification topics and hardware-specific questions are outside this page's evidence. This is a suggested practice sequence, not the employer's interview process. Your invitation and recruiter guidance remain the source of truth.
- 01
Maintain a duplicate-free substring
Use the longest non-repeating substring problem to practice moving a window without discarding useful positions. Explain how the left boundary reacts to a repeated character.
- Test adjacent duplicates and a repeat outside the window.
- Keep the left boundary monotonic.
- Distinguish substring length from subsequence length.
- 02
Explain the running optimum
The maximum-subarray exercise is a short but valuable proof exercise. State why a harmful prefix can be dropped while still preserving the best answer seen so far.
- Test an all-negative array.
- Keep the current segment separate from the global best.
- Clarify whether an empty subarray is permitted.
- 03
Transform a matrix without overwriting inputs
Use matrix rotation to plan data movement before coding. Compare an auxiliary matrix with an in-place approach and identify when each is allowed.
- Write the coordinate mapping for a single cell.
- Trace a small odd-sized matrix including its center.
- Check the rotation direction and square-matrix assumption.
02 · Evidence boundary
What “Cisco interview questions” means here.
It means practicing transferable implementation, testing, and technical reasoning with public catalog assets FastPrep tags to Cisco. It does not mean FastPrep has access to the company's assessments or any private interview bank.
Repeated public sightings and last-reported dates can help you prioritize practice, but they cannot predict the questions, format, or platform in a specific interview.
- Only Cisco-tagged FastPrep catalog problems appear above.
- Stage labels and report dates remain visible as context.
- No official, private, leaked, or proprietary questions are claimed.
03 · Plain answers
Cisco interview practice questions, answered plainly.
This page owns technical-practice intent for Cisco. Hiring activity, timelines, and market signals remain on the separate hiring-insights page.
01Is this Cisco interview page for CCNA or network certification?
No. This page covers coding practice from FastPrep's Cisco-tagged public inventory. It is not a CCNA exam bank, networking command reference, or hardware interview guide. Candidates for those roles should follow the relevant official certification or role requirements in addition to any programming practice.
02Is FastPrep affiliated with Cisco?
No. FastPrep is an independent interview-preparation product and is not affiliated with Cisco. The page uses FastPrep's public practice catalog and does not claim official, private, leaked, or proprietary employer questions.
03How are Cisco problems assigned to interview stages?
Stage labels come from FastPrep's public problem metadata. A problem can carry more than one reported stage, and hiring processes can change by role, level, location, and date. Treat the labels as preparation context, not a guarantee.
04Which Cisco interview stage should I practice first?
Start with the stage named in your invitation or recruiter message. If no stage is known, use the largest available set to build general problem-solving fluency, then rehearse explanation and testing separately.
05Does this page predict the Cisco interview process?
No. Public catalog counts, stage tags, and last-reported dates can help prioritize practice, but they cannot predict a specific interview's questions, sequence, timing, or platform.
Your next stage, made concrete
Pick a problem. Solve it end to end.
Start with the stage named in your invitation, then use public evidence as context—not as a promise of what you will be asked.
Open the practice set