- What the Official Outline Actually Covers
- Domain 1: Networking Fundamentals
- Domain 2: Network Infrastructures
- Domain 3: Network Hardware
- Domain 4: Protocols and Services
- Domain 5: Troubleshooting
- Why There Are No Official Percentage Weights
- How the Domains Show Up on Exam Day
- Sequencing the Domains in Your Study Plan
- Keeping This Credential Separate From Look-Alikes
- Career Context for Network Support Skills
- Frequently Asked Questions
- The official Pearson objectives list five headings: Networking Fundamentals, Network Infrastructures, Network Hardware, Protocols and Services, and...
- Pearson publishes no percentage weights per domain, so any "Domain 4 is 30%" claim is invented.
- The exam has 35-45 questions in 50 minutes, with a passing score of 700 on a 1-1000 scale.
- You need both Windows and Linux diagnostic command familiarity, not just one operating system.
What the Official Outline Actually Covers
The Information Technology Specialist - Networking credential is issued through Certiport, a Pearson VUE business, and it is built around a short official objectives document: Pearson's IT Specialist Exam Objectives - Networking, a three-page PDF dated 2025. That document is the only authoritative source for what can appear on your exam. Everything else, including this guide, is interpretation.
The outline contains five sequential headings, and the exact wording matters because it is easy to confuse with other vendors' outlines:
- Networking Fundamentals
- Network Infrastructures (note the plural)
- Network Hardware
- Protocols and Services (one combined heading)
- Troubleshooting
These are official exam objectives, not preparation-curriculum headings. That distinction is useful: a training course may chop the material into twelve modules, but the exam itself maps back to these five areas. If you are brand new to the credential, start with what the ITS-N certification is and then return here for the domain-level detail.
The candidate profile in the official materials describes someone with small-to-medium business networking knowledge, hands-on Windows and Linux experience, and at least 150 hours of instruction or hands-on practice. Those 150 hours describe preparation, not the length of the test. For the formal eligibility picture, see our breakdown of ITS-N requirements and prerequisites.
Domain 1: Networking Fundamentals
This is the vocabulary-and-concepts layer that every other domain assumes. The outline's fundamentals material covers the building blocks you need before configuration or troubleshooting makes sense, including network types, topologies, the logic of IPv4 and IPv6 addressing, and the purpose of subnetting.
Networking Fundamentals: What Candidates Must Understand
Expect scenario-style questions that test whether you can reason about a network, not just recite definitions.
- Topologies: recognize star, bus, ring and mesh layouts and the failure behavior of each.
- IPv4 addressing: dotted-decimal notation, private versus public ranges, and what a subnet mask accomplishes.
- IPv6 notation: how to read, shorten and expand addresses, including the rules for compressing runs of zero groups.
- Subnetting purpose: why networks are divided, and how a mask separates the network portion from the host portion.
- Wired versus wireless basics: the practical tradeoffs in a small-business setting.
The IPv6 Notation Trap
IPv6 is where fundamentals questions tend to bite. You should be able to look at an address like 2001:0db8:0000:0000:0000:ff00:0042:8329 and recognize its compressed form, and equally recognize that a double colon may appear only once in a valid address. Drill this by writing addresses out in both long and short form until the conversion is automatic.
Domain 2: Network Infrastructures
The plural in "Infrastructures" reflects the outline's wording, and it is worth keeping because it signals a broader scope than a single network design. This domain deals with how networks are assembled and connected in practice, from small local environments through to connections that span locations, and it includes virtualization concepts that now underpin much of modern infrastructure.
Network Infrastructures: High-Value Topics
Think about how components connect, and how services reach users.
- LAN, WAN and wireless infrastructure: what distinguishes each and when a business would use them.
- Virtualization: the idea of virtual machines and virtual networking, and how they relate to physical hosts.
- Network design for small and medium businesses: the exam's candidate profile points squarely at this scale, not enterprise data centers.
- Connectivity options: how sites and users reach each other and the wider internet.
A useful framing for this domain: ask "what would I need to put in place so these ten users can reach a file server and the internet?" Candidates with hands-on Windows and Linux experience tend to find this domain intuitive because they have seen the pieces assembled.
Domain 3: Network Hardware
Hardware questions test whether you know what each device does and where it belongs. This is the most tangible domain and one where physical lab time pays off quickly.
Network Hardware: What to Know Cold
Be able to match a device to a job, and a cable or medium to a situation.
- Switches, routers and access points: the role of each, and the difference between forwarding within a network and routing between networks.
- Network interface cards and cabling: copper versus fiber, and the practical limits of each.
- Wireless components: how access points extend a network and what affects wireless performance.
- Connectors and media: recognizing common types and where they are used.
The best preparation here is physical. If you can access a small lab, a home router, a managed switch or even a spare access point, handle them. Identifying ports, reading link lights and tracing a cable run builds recall that flashcards cannot match. If you want a deeper, hands-on approach, our ITS-N training overview covers ways to build that practice.
Domain 4: Protocols and Services
This is the densest domain, and the heading is intentionally combined: protocols and services are treated together because you cannot reason about one without the other. It is also where the outline explicitly names DNS records, DHCP and NAT, so these are not optional extras.
Protocols and Services: The Core Topics
Understand both what each service does and how it appears when it breaks.
- TCP/IP: the suite's layers and how protocols relate to each other.
- Name resolution: how DNS translates names to addresses, and the purpose of common record types such as A, AAAA, CNAME, MX and PTR.
- DHCP: how clients obtain addresses automatically, and what happens when a lease cannot be obtained.
- NAT: why private addresses are translated to public ones and what that means for connectivity.
- Common ports and protocols: associating well-known services with their port numbers.
DNS Records Deserve Their Own Study Block
Because the outline specifically calls out DNS records, build a small table for yourself that maps each record type to its purpose and to a one-line example. Then practice the reverse: given a symptom, such as email not delivering or a name resolving to the wrong address, name the record type most likely involved.
| Record Type | Purpose | Typical Troubleshooting Clue |
|---|---|---|
| A | Maps a name to an IPv4 address | Site name resolves to the wrong or an old address |
| AAAA | Maps a name to an IPv6 address | Reachable over IPv4 but not over IPv6 |
| CNAME | Aliases one name to another | Alias points at a name that no longer exists |
| MX | Identifies mail servers for a domain | Email delivery fails while the website works |
| PTR | Maps an address back to a name | Reverse lookups fail or return unexpected names |
Domain 5: Troubleshooting
The final domain is where the outline ties the whole credential together, and it explicitly includes diagnostic tools on both Windows and Linux. Troubleshooting questions reward a methodical approach: identify the symptom, isolate the layer, and choose the right tool.
Troubleshooting: Tools and Thinking
Know the command, know what its output means, and know the equivalent on the other operating system.
- Connectivity testing: using ping to test reachability and interpret replies, timeouts and unreachable messages.
- Path analysis: tracert on Windows and traceroute on Linux to see where packets stop.
- Configuration inspection: ipconfig on Windows versus ifconfig or ip on Linux to review addresses and settings.
- Name resolution testing: nslookup and similar tools to confirm DNS behavior.
- Wired and wireless problems: systematically separating a bad cable, a bad port, a wireless signal issue and a configuration error.
Practice With Paired Output
A strong method is to run the Windows and Linux equivalents side by side and compare their output. For example, run ipconfig /all on a Windows machine and the corresponding interface listing on a Linux machine, then identify the same fields in each: address, mask, gateway and DNS servers. When you can read both fluently, a question showing partial output in either format becomes much easier.
Key Takeaway
Troubleshooting questions reward process over memorization. When you see a symptom, work from the bottom up: is the physical link good, does the host have a valid address, can it reach its gateway, can it resolve names? Matching the symptom to the layer usually reveals the right tool.
Why There Are No Official Percentage Weights
You will see sites assigning neat percentages to each domain. Be skeptical. The official objectives document lists the five headings and their subtopics but does not publish percentage weights, and the number of subtopics under a heading is not a basis for inferring weight. A domain with many bullet points is not necessarily tested more heavily than one with few.
What this means practically: any priority you assign is an editorial judgment, not an official fact. A sensible editorial approach is to weight your time by your own weak areas and by how much each domain underpins the others. Fundamentals and Protocols and Services support nearly everything, which is a reason to know them well, not a claim about their share of the exam.
This also connects to a frequent question about difficulty and outcomes. Pearson does not publish a candidate pass-rate statistic for this credential, which is why our pieces on what the pass-rate data shows and how hard the exam is focus on preparation and format rather than quoting numbers that do not exist.
How the Domains Show Up on Exam Day
The domains are the content; the exam's format determines how that content is delivered. These are the verified specifics:
| Element | Detail |
|---|---|
| Question range | 35-45 questions per exam form |
| Exam time | 50 minutes, excluding administrative appointment activities |
| Delivery | Computer-based and proctored |
| Question style | The official tutorial illustrates multiple-choice items, with review and the ability to change answers before submission |
| Passing score | 700 on a 1-1000 scaled score |
| US retail voucher with retake | USD 133; proctoring at an authorized center may cost extra |
Two points deserve emphasis. First, the 700 is a scaled score, not a raw 70 percent, so do not translate it into a number of questions you can miss. Our guide to the ITS-N passing score explains scaling in more detail. Second, the 35-45 question range is a published range, not a fixed total, so do not assume a specific count or a specific scored/unscored split.
On cost mechanics: the original voucher expires one year after purchase, and the retake code issued after a failure must be used within 60 days. Match your voucher to your chosen delivery channel, since a Certiport Authorized Testing Center and Pearson VUE test-center or OnVUE delivery are not interchangeable assumptions. The full picture is in our ITS-N certification cost breakdown, and scheduling considerations are covered in ITS-N exam dates and scheduling.
Sequencing the Domains in Your Study Plan
Rather than a generic schedule, tie your order to dependencies. Fundamentals first, because addressing and subnet logic feed everything. Protocols and Services next, because it is the densest and benefits from repetition. Hardware and Infrastructures can be studied together since they describe the physical and logical assembly of a network. Troubleshooting last, because it is the synthesis that draws on all the others.
Networking Fundamentals
- Topologies, IPv4 structure and subnetting purpose
- Write IPv6 addresses in long and short form
Protocols and Services
- TCP/IP concepts, DNS record types, DHCP and NAT
- Build and review a port and protocol list
Network Hardware and Network Infrastructures
- Device roles, cabling and wireless components
- Virtualization concepts and small-business network design
Troubleshooting and Practice
- Paired Windows and Linux command exercises
- Timed practice sets and review of weak domains
If you want a fuller plan with more detail on resources and pacing, our ITS-N study guide expands on this. For realistic practice against the question style, try the ITS-N practice tests. One caution on practice banks: official practice products, such as CertPREP powered by GMetrix, may contain far more questions than the live exam's 35-45, and their timers and bank sizes are not live-exam specifications.
Keeping This Credential Separate From Look-Alikes
A common source of wasted study time is using the wrong outline. This credential is Pearson's IT Specialist - Networking. It is not the Network Security credential, not Cisco CCST Networking, not CCNA, not CompTIA Network+, and not the legacy Microsoft MTA 98-366. Each has its own objectives, its own scope and its own domain structure.
The practical risk is borrowing domain lists or practice questions from those other exams. Their content overlaps in places, but their emphasis differs, and a question bank built for another outline may over-test topics your exam barely touches or skip topics yours explicitly names, such as DNS records, DHCP and NAT, or dual Windows and Linux diagnostic tools. Always verify against the official objectives PDF. For orientation on terminology, see what ITS-N is and what ITS-N stands for.
Career Context for Network Support Skills
The skills in these five domains map naturally to network support and entry-level infrastructure roles. For context, the U.S. Bureau of Labor Statistics reports a May 2025 median annual wage of USD 76,220 for computer network support specialists. This is occupation-wide evidence, not a certification-specific salary, and it should not be read as an entry-level offer or a proven pay premium for holding this credential.
The credential's value is better understood as a structured, third-party-verified demonstration of foundational networking knowledge, useful for students and career starters building a record. For a more careful discussion, read our salary analysis, the ROI analysis, and the overview of ITS-N jobs.
One more practical point: awards earned on or after June 18, 2025 expire after five years, and renewal means buying a voucher and passing the current exam. Earlier awards remain non-expiring. Plan your long-term credential strategy accordingly.
Frequently Asked Questions
The official Pearson objectives list five headings: Networking Fundamentals, Network Infrastructures, Network Hardware, Protocols and Services, and Troubleshooting. Pearson does not publish percentage weights for these headings, so treat any specific percentages you see elsewhere with caution.
There is no official difficulty ranking. Many candidates find Protocols and Services dense because of DNS records, DHCP, NAT and port associations, while Troubleshooting rewards hands-on practice with both Windows and Linux tools. Your own background determines which feels hardest.
Yes, the candidate profile and the outline both reference Windows and Linux diagnostic tools. You should be comfortable reading output and recalling equivalent commands on both systems rather than relying on a single operating system.
The published form range is 35-45 questions with a standard 50-minute exam time, excluding administrative appointment activities. The passing score is 700 on a 1-1000 scaled score, not a raw percentage.
They can reinforce general networking concepts, but they follow different outlines. Use the official Pearson IT Specialist - Networking objectives as your baseline and verify that any practice material covers topics such as DNS records, DHCP, NAT, IPv4 and IPv6, and both Windows and Linux diagnostics.