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Technical reasoning, troubleshooting, networking concepts, and systems thinking for IT civil service titles.
12 track practice questions in the bank · Free 25-question practice test included below.
Take Free Practice Test →IT Specialists keep city offices and systems running: helping users with computers and accounts, setting up hardware, keeping networks and data safe, and solving problems when technology stops behaving. The work is equal parts technical skill and people skill — you need to understand the systems and explain them in plain language.
The exam tests technical reasoning more than memorized facts: how to work through a problem step by step, how networks and systems fit together, how to handle data safely, and how to serve users professionally. It is a multiple-choice exam. You do not need to be a programmer to pass — you need a solid, practical understanding of computers, networks, and troubleshooting.
Use this guide to build your method first — a reliable troubleshooting sequence you apply to every scenario — then learn the key terms and concepts. Work the practice questions and keep a mistake log: the same reasoning errors come up again and again until you catch them.
Questions present a user problem — a computer that will not start, a printer that will not print — and ask for the best first step or the next step. The correct answer follows a logical method: gather facts, check the simplest cause, then work toward the complex one.
Expect questions on how devices connect: the roles of modems, routers, switches, and access points, wired versus wireless connections, and what IP addresses, DNS, and DHCP do. You need the concepts, not vendor-specific setup steps.
Questions cover the hardware and software of a workstation: CPU, memory, storage, operating system, and common applications, and how to set up, update, and support them.
You will be tested on keeping data and systems safe: strong passwords, multi-factor authentication, updates, firewalls, antivirus, phishing, and — most importantly — backing up data and testing the backup.
Scenario questions test professional judgment: how to handle a frustrated user, how to explain a technical fix in plain language, when to escalate, and how to document what you did.
Questions cover how systems fit together: how a request travels from a user's computer to a server, what happens when a service is down, and how to prioritize when several users have problems at once.
Work through this list honestly — drill the items you cannot do yet.
Take five support tickets a day — a printer that will not print, a user who cannot log in, a slow computer — and write the first three steps you would take, in order. Good looks like gathering information and checking the simple cause before any repair or reinstall.
Draw a small office network from a written description: a modem, a router, a switch, and six workstations. Label each device and what it does. Do two a week until you can sketch it from memory and explain the path data takes.
Make cards for key terms — IP address, DNS, DHCP, firewall, VPN, backup, phishing — each with a one-sentence definition in your own words. Review ten cards a day until the definitions come without thinking.
Practice explaining a technical fix in plain language, as if to a non-technical colleague, in three sentences or fewer. Do one a day. Good looks like a clear explanation with no jargon and a check that the fix worked.
Work through the practice questions in the bank, and after each wrong answer write one sentence explaining why the correct answer is right. Review your notes the next day — good looks like fewer repeat mistakes each week.
Try these 3 sample questions from the practice bank. The correct answer is marked — read the explanation even when you get one right.
Sample 1 · Problem Solving
The method is: identify the problem, gather information, check the simplest cause first, then work toward the complex one. Reinstalling the system or replacing hardware before checking the cable or the power skips the cheap, common causes.
Sample 2 · Problem Solving
When many users are affected at once, the problem is usually shared infrastructure — the network, a server, or a service — not each user's computer. Checking one computer's cable or password first wastes time when the pattern points elsewhere.
Sample 3 · Problem Solving
A wired connection is generally faster and more stable than Wi-Fi, so for a large, reliable transfer it is the better choice. Moving closer to the access point helps Wi-Fi, but it does not beat a wired connection for reliability.
The exam announcement (Notice of Examination) is the final authority for the exam you are taking. Always check it for the exact subjects tested, eligibility requirements, and exam procedures, since details can differ between titles and exam administrations.
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All questions on NYCExamPrep.com are original practice questions written for study purposes. They are not official DCAS questions, and this site is not affiliated with the NYC Department of Citywide Administrative Services (DCAS) or the City of New York.