Question 1Ports and protocols
A help desk technician needs to open a graphical remote session to a Windows server. A firewall rule for TCP 3389 has just been added. Which protocol does this rule allow?
Learn Network+ by doing, not just reading.
Find your weakest domain in a free 15-minute diagnostic, fix it with a short lesson, then drill subnetting and ports until they are automatic.
The only interactive course with a tutor that finds your weak spots and fixes them.
One payment in US dollars. Full refund within 14 days, for any reason.
The five domains
A maximum of 90 questions in 90 minutes; 720 on a 100 to 900 scale passes. Weights are for N10-009.
1. Networking concepts
OSI model, ports and protocols, IPv4 subnetting, media, topologies and cloud.
23% of the exam
2. Network implementation
Routing, NAT, VLANs, spanning tree, wireless and physical installs.
20% of the exam
3. Network operations
Documentation, monitoring, disaster recovery, DHCP, DNS and remote access.
19% of the exam
4. Network security
Authentication, attacks on the network, segmentation and defenses.
14% of the exam
5. Network troubleshooting
The seven-step method, cabling, services, performance and tools.
24% of the exam
Start with a free 15-minute diagnostic
15 questions across all five domains, no account. You get your score in each domain, a short lesson on the one to fix first, and a plan for the rest.
Free drills
Subnetting and ports come up all through the exam. Drill them until they are automatic.
- Subnet calculator and drillAny address and prefix: network, broadcast, host range and mask. Then practice on fresh networks.
- Ports and protocols drillThe ports the exam expects you to know, as a table and a timed quiz.
- Exam cost and retake plannerThe voucher, Retake Assurance and your earliest retake date.
Performance-based labs
Plan subnets, read command output, fix switch ports and plan wireless channels: the hands-on tasks, in your browser.
- Plan the subnetsSize three networks with VLSM, lay out the blocks and fix two misconfigured hosts.Free
- Read the command outputFind the fault in ipconfig output, climb the ping ladder and sort the evidence.
- Fix the switch portsSpot the port in the wrong VLAN, choose access or trunk and repair the trunk.
Try one question from each domain
Question 2Switching technologies
The VLAN ID field in an 802.1Q tag is 12 bits long, and the values 0 and 4095 are reserved. How many VLAN IDs are available for use?
Question 3Disaster recovery
A company leases a recovery facility that has floor space, power and cooling, but no servers, network equipment or data. What type of recovery site is it?
Question 4Types of attacks
Users who type bank.example.com reach a lookalike site. On their PCs, nslookup returns 198.51.100.66 from the office resolver, while the bank's authoritative server returns 203.0.113.10. Which attack is most likely?
Question 5Network services issues
A workstation shows the IP address 169.254.88.3. What does this tell the technician?
In the course
- 28 interactive lessons and labs
- 156 practice questions
- 2 full 90-question practice exams
A+, Network+, Security+
CompTIA recommends A+ before Network+, and Network+ before Security+. Each has its own course here.
Guides
Network Genius Pro
US$49one payment
- 28 interactive lessons
- 156 practice questions
- 2 full 90-question practice exams
Full refund within 14 days. Ask within 14 days of paying, for any reason. Our refund promise still applies after you start the course. The note under the pay button is about the separate legal right to cancel. Terms
By paying you agree to our Terms. Email us within 14 days for a full refund.
Take the free diagnostic firstApple Pay, Google Pay or card. Charged in USD.
One payment. No sales tax is added. Access until October 31, 2027.
Questions? support@unigenius.co.uk