How many questions are in the ACE: L4 (Cloud Engineer: Level 4) practice bank?

The Certilum bank for the ACE: L4 (Cloud Engineer: Level 4) holds 150 Foundation questions across 5 exam domains. Every question ships with a written explanation of why the right answer is right, and each row exists in three wording variants, so a session never repeats itself verbatim.

How long is the ACE: L4 (Cloud Engineer: Level 4) exam?

The real Arista exam is timed at around 300 minutes, with a passing score of 80%. The Certilum diagnostic mirrors that structure so your practice session feels like test day.

What is the ACE: L4 (Cloud Engineer: Level 4) exam complexity score?

We measured 150 questions and scored them 1-10 on a composite of format difficulty: multi-select questions (which require every correct option), scenario-length questions, interactive code questions and explanation depth. The ACE: L4 (Cloud Engineer: Level 4) scores 2.1 out of 10, with a per-domain breakdown on the difficulty page.

Is the ACE: L4 (Cloud Engineer: Level 4) exam practice free?

Yes. You can run the full diagnostic for free, get domain-level scoring and see which domains cost you the most points before deciding whether to go further.

Which domains should I focus on for the ACE: L4 (Cloud Engineer: Level 4)?

The ACE: L4 (Cloud Engineer: Level 4) blueprint is split into 5 domains, and the heaviest one carries 25% of the exam. The difficulty breakdown shows where the hardest questions actually sit, so you can spend your study time where it pays.

Free diagnostic practice

ACE: L4 (Cloud Engineer: Level 4)

ACE-L4

The ACE L4 Cloud Engineer (Level 4) certification from Arista Networks validates an individual's ability to design, automate, operate, and secure cloud-scale network infrastructure using Arista platforms and tools

300 min

80% to pass

150 bank questions

5 domains

certilum

Start the full practice examACE: L4 (Cloud Engineer: Level 4) — freshly shuffled Foundation questions, timed, with domain scoring and explanations.

Exam syllabus, organized by domain

The official Arista blueprint, with the real weight each domain carries on test day.

Try a real question

Answer one question from the live bank. Grading happens on our servers, so the answer key never reaches the page.

Try a real question

Sample ACE: L4 (Cloud Engineer: Level 4) exam question

Answer this question the same way you would on exam day. No sign-up needed — one random question, three tries to swap it out.

ProficientCloud Operations and Monitoring

What telemetry protocol supports OpenConfig models and is suitable for heterogeneous networks?

bash

gnmic -a 10.1.1.1:57400 -u admin -p password \
  subscribe --path /interfaces/interface/state/counters \
  --mode stream --stream-mode on_change

Exam facts at a glance

Every figure below comes from the certification record or from the question bank itself.

Time limit: 300 minutes
Passing score: 80%
Domains: 5
Questions in our bank: 150
Level: EXPERT
Measured complexity: 2.1 / 10
Question mix: 52 single · 50 multi · 48 interactive

Where the hard questions actually are

We score every question in the bank 1-10 on a reproducible formula. Below is the per-domain breakdown.

Exam complexity score2.1/10Gentle · measured across 150 bank questions

Advanced Troubleshooting and Optimization11 questions · complexity 2.0/10 · Gentle
36% multi-select · 0% scenario · 27% interactive
Automation and Orchestration33 questions · complexity 2.5/10 · Gentle
33% multi-select · 15% scenario · 33% interactive
Cloud Infrastructure Design45 questions · complexity 2.0/10 · Gentle
33% multi-select · 0% scenario · 31% interactive
Cloud Operations and Monitoring30 questions · complexity 2.0/10 · Gentle
33% multi-select · 0% scenario · 33% interactive
Security and Compliance31 questions · complexity 1.9/10 · Gentle
32% multi-select · 0% scenario · 32% interactive