100+ Free CCST IT Support Practice Questions

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Question 1

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A user reports that their desktop computer will not power on. No lights or fan activity occur when pressing the power button. Which hardware component should the technician check FIRST?

RAM modules

Power supply unit (PSU) and power cable

CPU

Hard drive

to track

2026 Statistics

Key Facts: CCST IT Support Exam

~50

Exam Questions

Cisco CCST IT Support

~70%

Passing Score

Cisco (approximate)

50 min

Exam Duration

Cisco

$125

Exam Fee

Cisco / Certiport

Entry

Level

Help desk / Tier 1

3 years

Validity

Cisco (or upgrade path)

The CCST IT Support exam has approximately 50 multiple-choice questions in 50 minutes with a passing score near 70%. Key domains: IT support fundamentals, operating systems (Windows, macOS, Linux), networking basics for support, software installation and user management, printers and mobile support, security awareness, remote support tools, and customer service. No formal prerequisites. Exam fee is $125 USD at Certiport test centers. Certification is typically valid for 3 years.

Sample CCST IT Support Practice Questions

Try these sample questions to test your CCST IT Support exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1A user reports that their desktop computer will not power on. No lights or fan activity occur when pressing the power button. Which hardware component should the technician check FIRST?

A.RAM modules

B.Power supply unit (PSU) and power cable

C.CPU

D.Hard drive

Explanation: When there are no signs of power at all (no lights, no fans), the most likely cause is the power supply unit (PSU) or the power cable itself. The technician should first confirm the wall outlet has power, then check the cable connection, and finally test or replace the PSU. RAM, CPU, and hard drive issues would typically produce POST beeps, error messages, or partial startup activity rather than a completely dead system.

2Which component is considered the primary 'brain' of a computer, responsible for executing instructions?

A.RAM

B.GPU

C.CPU

D.Motherboard chipset

Explanation: The Central Processing Unit (CPU) is the primary component that executes program instructions, performs arithmetic and logic operations, and controls data flow. RAM provides temporary working memory, the GPU handles graphics rendering, and the motherboard chipset coordinates communication between components but does not execute general-purpose instructions.

3A user wants fast storage for their laptop with no moving parts. Which storage type best meets this requirement?

A.Traditional HDD (hard disk drive)

B.SSD (solid-state drive)

C.Optical drive

D.Tape drive

Explanation: An SSD (solid-state drive) uses flash memory with no moving parts, resulting in faster read/write speeds, lower power consumption, better shock resistance, and silent operation compared to traditional HDDs. HDDs use spinning platters and mechanical read/write heads. Optical and tape drives are slower and used for archival or media purposes.

4Which type of RAM is most commonly used in modern desktop and laptop computers as of 2026?

A.DDR2

B.DDR3

C.DDR4 and DDR5

D.SDRAM

Explanation: DDR4 remains very common in existing systems, and DDR5 has become the standard for new builds by 2026 thanks to its higher bandwidth and lower voltage. DDR2 and DDR3 are legacy technologies, and generic SDRAM without the DDR prefix is obsolete for new hardware.

5A technician needs to connect multiple computers to one monitor, keyboard, and mouse at a workstation. Which device should they use?

A.USB hub

B.KVM switch

C.Docking station

D.Network switch

Explanation: A KVM (Keyboard, Video, Mouse) switch allows one set of input/output peripherals to control multiple computers, with the user selecting the active machine via a button or hotkey. A USB hub expands USB ports, a docking station extends a single laptop, and a network switch connects network devices but does not share peripherals.

6Which Windows utility displays real-time information about CPU, memory, disk, and network usage?

A.Control Panel

B.Task Manager

C.Device Manager

D.Registry Editor

Explanation: Task Manager (Ctrl+Shift+Esc) shows real-time performance data for CPU, memory, disk, network, and GPU, and lets users end unresponsive processes. Control Panel is a legacy configuration hub, Device Manager lists hardware devices, and Registry Editor (regedit) edits the Windows Registry.

7A user on Windows 11 needs to stop a non-responding application. Which key combination opens Task Manager directly?

A.Ctrl + Alt + Delete

B.Ctrl + Shift + Esc

C.Alt + F4

D.Windows + R

Explanation: Ctrl + Shift + Esc opens Task Manager directly without showing the security screen. Ctrl + Alt + Delete opens the security options screen from which Task Manager can be launched. Alt + F4 closes the active window, and Windows + R opens the Run dialog.

8Which Windows command-line tool scans and attempts to repair corrupted system files?

A.chkdsk

B.sfc /scannow

C.ipconfig /all

D.netstat

Explanation: The System File Checker (sfc /scannow) scans protected Windows system files and replaces corrupted ones using cached copies. chkdsk checks disk volumes for file system errors, ipconfig /all shows IP configuration, and netstat displays network connections.

9A user reports bad sectors on a hard drive. Which Windows command checks a disk volume and attempts to repair errors?

A.diskpart

B.chkdsk /f /r

C.format

D.sfc

Explanation: The chkdsk command with /f fixes file system errors and /r locates bad sectors and recovers readable information. diskpart is used for partition management, format erases a volume, and sfc scans system files rather than the disk structure.

10Which Windows tool logs system, application, and security events for troubleshooting?

A.Event Viewer

B.Performance Monitor

C.Task Scheduler

D.Resource Monitor

Explanation: Event Viewer (eventvwr.msc) is the Windows tool that captures and displays logs for system, application, security, setup, and forwarded events. Performance Monitor graphs performance counters, Task Scheduler runs scheduled tasks, and Resource Monitor drills into real-time resource usage.

About the CCST IT Support Exam

The Cisco Certified Support Technician (CCST) IT Support exam validates the skills needed for a Tier 1 help desk or IT support technician role. It covers IT support fundamentals (hardware, peripherals, operating systems), networking basics for support, software installation and user management, printer and mobile device support, security awareness, remote support tools, troubleshooting methodology, and customer service. The CCST IT Support is an entry-level credential that can lead into CCNA, CCST Networking, and CCST Cybersecurity.

Questions

50 scored questions

Time Limit

50 minutes

Passing Score

~70%

Exam Fee

$125 (Cisco / Certiport)

CCST IT Support Exam Content Outline

20-25%

Hardware, Peripherals, and Mobile Devices

CPU, RAM, storage (HDD/SSD/NVMe), motherboards, PSUs, laptops/desktops, KVM switches, peripherals, printers, smartphones, tablets, and basic hardware troubleshooting

20-25%

Operating Systems

Windows 10/11 (Task Manager, Services, Event Viewer, Disk Management, Registry, CLI — ipconfig/sfc/chkdsk/dism/tasklist/taskkill), macOS (Finder, Activity Monitor, Time Machine, Terminal), Linux desktop (Ubuntu/Fedora, sudo, apt/dnf, systemctl)

15-20%

Networking Basics for Support

Cabling (Cat5e/6/6a/fiber, RJ45), OSI concepts, IPv4 addressing (private/APIPA/DHCP), DNS and nslookup, ping/tracert/netstat, Wi-Fi basics (WPA2/WPA3, SSID, channel issues)

15-20%

Software, User Management, and File Services

Microsoft 365, browser configuration, software and update management, Active Directory basics, NTFS and share permissions, mapped drives, OneDrive and cloud storage sync

10-15%

Security Awareness and Remote Support

Phishing and social engineering, password best practices, MFA, BitLocker/FileVault, basic malware and ransomware response, Quick Assist/RDP/TeamViewer/AnyDesk/BeyondTrust, screen-lock discipline

10-15%

Troubleshooting, ITSM, and Customer Service

Step-by-step troubleshooting methodology, ITIL incident management, ticketing (ServiceNow/Jira Service Management/Zendesk/Freshservice), escalation, knowledge-base contribution, active listening and empathy, conferencing tool support (Teams/Zoom/Webex/Meet)

How to Pass the CCST IT Support Exam

What You Need to Know

Passing score: ~70%
Exam length: 50 questions
Time limit: 50 minutes
Exam fee: $125

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

CCST IT Support Study Tips from Top Performers

1Practice Windows CLI commands: ipconfig, sfc, chkdsk, dism, netstat, tasklist, taskkill, gpupdate

2Know the 7-step troubleshooting methodology and where each tool fits in each step

3Learn NTFS vs share permissions and how OneDrive recovery/Version History works

4Study phishing indicators, MFA, BitLocker/FileVault, and ransomware first-response steps

5Understand Wi-Fi basics: WPA2/WPA3, SSIDs, and 2.4 GHz vs 5 GHz channel issues

6Memorize common ports: 443 HTTPS, 80 HTTP, 22 SSH, 3389 RDP, 53 DNS, 67/68 DHCP

7Practice professional communication: active listening, empathy, and clean ticket documentation

Frequently Asked Questions

What is the CCST IT Support exam?

The Cisco Certified Support Technician (CCST) IT Support is an entry-level Cisco certification that validates the skills required for a Tier 1 help desk or IT support technician. It covers hardware, operating systems, networking basics, software management, security awareness, printers, mobile devices, remote support, ticketing, and customer service.

How many questions are on the CCST IT Support exam?

The CCST IT Support exam typically has around 50 multiple-choice questions to complete in 50 minutes. The passing score is approximately 70%. Questions emphasize practical, help-desk-level scenarios.

Are there prerequisites for the CCST IT Support exam?

There are no formal prerequisites. Cisco recommends some hands-on experience supporting end users or completing introductory IT coursework. The certification is designed to validate foundational skills for new help desk and support roles.

How much does the CCST IT Support exam cost?

The exam fee is approximately $125 USD and is delivered through Certiport test centers (in-person or online-proctored, where available). Pricing and delivery options may vary by country and proctoring method.

How should I prepare for the CCST IT Support exam?

Plan for 30-60 hours of study over 4-6 weeks. Focus on real help-desk scenarios: Windows/macOS troubleshooting, networking basics, permissions, backups, printers, Wi-Fi, phishing awareness, and customer service. Complete 100+ practice questions and aim for 80%+ on mocks before scheduling.

What jobs can I get with CCST IT Support certification?

CCST IT Support helps with roles including: Help Desk Technician (Tier 1), IT Support Specialist, Desktop Support Technician, Service Desk Analyst, and Technical Support Representative. Many candidates then pursue CCST Networking, CCST Cybersecurity, or CCNA as the next step.