Reading notes is one thing; sitting a timed exam is another. The Dumpleader test engines recreate the pressure of the real ML0-220 exam with the same 116 practice questions that mirror the Mile2 Certified Network Security Administrator.. format you will face in 2026.
Mile2 ML0-220 Exam Overview:
| Certification Vendor: | Mile2 |
|---|---|
| Exam Name: | Certified Network Security Administrator |
| Exam Number: | ML0-220 |
| Available Languages: | English |
| Passing Score: | 70% |
| Exam Duration: | 120 minutes |
| Exam Price: | USD 400 |
| Real Exam Qty: | 100-116 |
| Certificate Validity Period: | 3 years |
| Exam Format: | Multiple-choice |
| Recommended Training: | Mile2 CNSA Official Course |
| Exam Registration: | Mile2 Official Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or in-person at authorized testing centers |
| Pre Condition: | Minimum 1 year of network security experience or completion of Mile2 CNSA training; agree to Mile2 Code of Ethics; minimum age 18 |
| Official Syllabus URL: | https://www.mile2.com/certifications/certified-network-security-administrator-cnsa/ |
Mile2 ML0-220 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Network Security Fundamentals | 20% | - OSI & TCP/IP models - Network protocols & services - Threats, vulnerabilities & attacks - Security principles & risk management |
| Security Operations & Compliance | 20% | - Backup, recovery & business continuity - Security policies & standards - Incident response & logging - Vulnerability assessment & scanning |
| Authentication, Authorization & Encryption | 20% | - Authentication methods - Access control models - PKI, certificates & digital signatures - Symmetric & asymmetric encryption |
| Network Security Devices & Architecture | 25% | - IDS/IPS systems - Firewalls & filtering technologies - VPN & secure remote access - Secure network design & segmentation |
| Secure Protocols & Services | 15% | - DNS, DHCP & IPsec security - Secure web, email & file transfer - Wireless network security |
ML0-220 Exam FAQ: What You Need to Know Before You Book
How many questions are on the ML0-220 exam, and how long do I have?
The Mile2 Certified Network Security Administrator.. exam includes 100-116 questions and gives you 120 minutes to finish. That works out to a tight per-question pace, so flagging a hard item and moving on is usually smarter than getting stuck. Before test day, sit at least one full timed session with the Dumpleader test engine — practicing under the clock is the fastest way to build the rhythm the real ML0-220 exam demands.
What is the ML0-220 certification exam all about?
The ML0-220 exam is the official Mile2 exam that leads to the Certified Network Security Administrator (CNSA) certification, positioned at the Associate level. It validates the skills employers expect from certified professionals, and passing it is a concrete step forward in an IT career.
Can I try the ML0-220 practice questions before I buy?
Yes. Dumpleader offers a free PDF demo of the Mile2 Certified Network Security Administrator.. material, so you can check the question style and answer quality before paying. After purchase, your product includes 365 days of free updates; once that period expires, you can extend the update service at a 50% discount from your member zone.
What score do I need to pass the ML0-220 exam, and what does it cost?
The passing score for the Mile2 Certified Network Security Administrator.. exam is 70%, and the official registration fee is USD 400. Keep in mind that a failed attempt means paying the full fee again to retake it. A sensible approach is to test yourself first with Dumpleader practice questions and only book your seat once your mock scores sit comfortably above 70%.
What topics are covered in the ML0-220 exam?
The Mile2 Certified Network Security Administrator.. exam is organized into 5 domains. The main ones include Secure Protocols & Services (15%); Authentication, Authorization & Encryption (20%); Network Security Fundamentals (20%). Weightings tell you where to spend most of your study time, and the full topic breakdown is listed in the exam outline section above on this page.
How do I register for the Mile2 Certified Network Security Administrator.. exam?
You can book the ML0-220 exam through the official registration channels below:
The exam is delivered as Online proctored or in-person at authorized testing centers, so pick the option that fits your schedule when booking.
What happens if I fail the ML0-220 exam, and how is my purchase delivered?
If you take the Mile2 Certified Network Security Administrator.. exam within 60 days of your purchase and do not pass, you can apply for a full refund under the Dumpleader refund policy. The claim requires a scanned enrollment slip and your official Score Report in PDF, submitted within 2 days after the exam; claims are processed within 7 days. Note that the guarantee applies only to the corresponding exam — attempts taken within 3 days of purchase, downloaded-but-never-taken exams, free materials, and expired orders are not covered, and the candidate name must match the payer name. Prefer new material instead of a refund? You can swap for two free exam products of equal value and keep the update service on your original purchase. As for delivery, everything is instant: the download link reaches your mailbox within one minute of payment (contact support if nothing arrives within 2 hours), and there is no limit on how many computers you can install it on.
Are there any prerequisites for the ML0-220 exam?
Minimum 1 year of network security experience or completion of Mile2 CNSA training; agree to Mile2 Code of Ethics; minimum age 18 Requirements like these can change, so before you book, confirm the current eligibility rules on the official page: https://www.mile2.com/certifications/certified-network-security-administrator-cnsa/.
What official training is recommended for the Mile2 Certified Network Security Administrator.. exam?
Mile2 recommends the following training options for ML0-220 candidates:
Official courses build the theory; the 116 practice questions from Dumpleader then let you measure how ready you actually are for the real exam.
Mile2 Certified Network Security Administrator.. Sample Questions:
Question #1
Which of the following is a routed protocol?
A. IGRP
B. RIP
C. None of the above
D. NLSP
Question #2
In a Screened subnet architecture the DMZ is further segregated from the internal network by another packet filter, which only allows connections to/from the proxies.
A. True
B. False
Question #3
You have a network address of 196.202.56.0 with four subnets. You wont to allow for maximum number of Hosts. What is the subnet mask you need to apply?
A. 255.255.255.192
B. 255.255.255.224
C. 255.255.224.0
D. 255.255.255.128
Question #4
The portmapper utility is best defined by.
A. Network service that that enables RPC facilities
B. Lists available ports on a system
C. Assigns the flow of data on various ports
D. None of the above
Question #5
An IDS being a reactive measure doesn't offer any advantage over a Firewall.
A. True
B. False
Solutions:
| Question #1 Correct Answer: C | Question #2 Correct Answer: A | Question #3 Correct Answer: B | Question #4 Correct Answer: A | Question #5 Correct Answer: B |







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