100-140 exam at a glance
Cisco Certified Support Technician (CCST) IT Support · Entry level
| Exam code | 100-140 CCST IT Support |
|---|---|
| Certification | Cisco Certified Support Technician (CCST) IT Support |
| Level | Entry level |
| Number of questions | Varies |
| Duration | 50 minutes |
| Delivery | Proctored exam delivered online or at a testing center through Cisco testing partners |
| Exam cost | US$125 |
| Languages | English, Arabic, Chinese, Spanish, French, Japanese, Portuguese |
| Certification validity | 5 years for certifications earned on or after July 15, 2025; certifications earned before July 15, 2025 remain valid for a lifetime |
| Retake policy | After a failed attempt, candidates must wait five calendar days, beginning the day after the failed attempt, before retaking the same exam. |
| Prerequisites | None |
The exam tests an entry-level candidate’s foundational knowledge and skills related to IT support. It is intended for candidates preparing for roles such as IT End User Support, Help Desk Support, and Computer Support Specialist.
Skills measured
| Skill area |
|---|
| IT Support Job Tasks and Responsibilities |
| Hardware Issues |
| Connectivity and Resource Access Issues |
| Operating System and Application Issues |
| Common Threats and Preventions |
| Job Tools |
Source: learningcontent.cisco.com — official 100-140 CCST IT Support exam blueprint. Exam details were checked against Cisco’s official documentation. Confirm current details there before booking.
The full bank covers every domain, with timed mode and per-domain scoring.
100-140-CCST-IT-SUPPORT Practice Questions By Domains
6 domains covered1. Operating System and Application Issues
7 free questions available
2. Connectivity and Resource Access Issues
4 free questions available
3. Common Threats and Preventions
3 free questions available
4. Hardware Issues
3 free questions available
5. IT Support Job Tasks and Responsibilities
3 free questions available
6. Job Tools
1 free question available
Practice the full exam, not a sample
Unlock the full bank and practise every domain end to end.
Unlock all 42 questionsCisco 100-140 CCST IT Support Practice Test
If you are preparing for the Cisco 100-140 CCST IT Support certification, a practice test can help you understand the types of skills you need to build, identify weak areas, and become more comfortable answering questions under time pressure. Before you begin, you can Explore exam preparation across all vendors to find additional practice resources and certification-focused preparation options.
For students, career changers, and beginners entering IT support, the Cisco 100-140 practice test can be useful because it provides an opportunity to move beyond simply reading study material. Instead, you can actively test what you understand and discover which topics need more attention.
What Is the Cisco 100-140 CCST IT Support Practice Test?
The Cisco 100-140 CCST IT Support practice test is a preparation resource designed to help learners review the knowledge and practical concepts associated with the Cisco Certified Support Technician IT Support certification.
Cisco positions the CCST certifications as entry-level credentials that can help validate foundational IT skills and support progression toward further certifications and IT career opportunities. Cisco also states that there are no formal prerequisites for CCST certifications, although candidates should understand the relevant exam topics before attempting an exam.
A practice test works best as a learning tool rather than simply something to take once before the certification exam.
You can use it to:
- Check your current understanding.
- Practice applying IT support concepts.
- Identify topics that require additional study.
- Become familiar with question-based learning.
- Review incorrect answers.
- Track your progress over multiple attempts.
- Build confidence before the actual assessment.
The goal is not to memorize answers. Instead, students should use practice questions to understand why an answer is correct and why the other choices are not.
Why Should Students Use a 100-140 Practice Test?
Studying IT support concepts from books, courses, videos, or online lessons can give you important background knowledge. However, reading information and answering questions are different skills.
A practice test creates an active learning environment.
For example, you may understand what DNS, DHCP, operating systems, troubleshooting, or computer hardware mean when reading about them. But when a question presents a practical situation, you need to recognize the problem and select the most appropriate response.
That is where repeated practice becomes useful.
A good practice routine can help you:
- Find knowledge gaps earlier.
- Improve recall.
- Practice troubleshooting scenarios.
- Become more comfortable with technical terminology.
- Develop better question-reading habits.
- Learn from mistakes.
- Measure improvement over time.
Cisco itself includes practice tests among the types of learning resources available for certification preparation.
Key Areas to Study for Cisco 100-140
Cisco organizes the CCST IT Support exam around six official domains. This exam focuses on entry-level help desk and IT support tasks rather than networking infrastructure, so the objectives look a bit different from CCST Networking.
1. IT Support Job Tasks and Responsibilities
- Define key help desk concepts, including queue management, time management, ticketing systems, service level agreements (SLAs), and key performance indicators (KPIs)
- Prepare clear, concise, and factual documentation summarizing a customer interaction for future reference
- Describe the problem-solving process: define the problem, gather information, identify a probable cause, devise a plan, implement changes, observe results, and document the outcome
2. Hardware Issues
- Demonstrate basic safety procedures, including protection against electrical shock, ESD, and fire
- Assist end users in locating device information such as hostname, processor, memory, disk space, OS version, and IP/MAC addresses using tools like Task Manager, System Information, and Activity Monitor
- Identify common ports and cables, including HDMI, USB-C, DisplayPort, VGA, RJ-45, Thunderbolt, and various power cables
- Identify, install, and upgrade desktop components such as RAM, storage (SATA, SSD, NVMe, M.2), and peripherals using Device Manager
- Investigate common hardware issues, including power problems, compatibility requirements, and firmware update awareness
3. Connectivity and Resource Access Issues
- Assist users with accessing network-based resources, including directory services (Active Directory, Entra ID, AWS IAM), multifactor authentication, mapped drives, and password resets
- Troubleshoot peripheral connectivity issues involving printers, webcams, microphones, external drives, scanners, and input devices
- Examine basic end-device connectivity, including LAN vs. WLAN, DNS, DHCP, APIPA, default gateways, and diagnostic commands like ping, ipconfig, tracert, and nslookup
- Understand the purpose of a firewall and how it can affect connectivity
4. Operating System and Application Issues
- Resolve common Windows issues, including display settings, BitLocker, updates, Task Manager, and boot sequence/safe mode
- Resolve common MacOS issues, including permissions, AirDrop, Activity Monitor, Time Machine backups, and power management
- Assist users with mobile device issues on iOS and Android, including restarts, connectivity, and basic MDM awareness
- Describe virtualization and cloud terminology, including AWS, Azure, GCP, virtual machines, and hypervisors
- Assist users with common application issues, including installation from trusted sources and productivity/collaboration software
5. Common Threats and Preventions
- Describe security threats such as phishing, malware, spam, spoofing, and unauthorized access, and know when to escalate
- Recognize social engineering tactics and understand why help desk technicians are frequent targets
- Understand how company policies and confidentiality guidelines protect user data, including PII
6. Job Tools
- Use remote access software such as Remote Desktop, Cisco Webex, TeamViewer, and VNC to support end-user devices
- Use appropriate troubleshooting resources, including AI tools, search engines, technical forums, and knowledge base articles, while understanding the limitations and ethical considerations of AI use
How to Actually Use a Cisco 100-140 Practice Test
Simply completing hundreds of questions is not necessarily an effective study strategy.
Instead, use your practice test as a feedback system.
Step 1: Take an initial test
Begin with a practice session without spending too much time reviewing beforehand.
Your first attempt gives you a baseline.
Do not worry if your initial score is lower than expected. The purpose of the first attempt is to discover where you currently stand.
Step 2: Review every incorrect answer
This is one of the most valuable parts of practice testing.
When you get a question wrong, ask:
- Did I misunderstand the question?
- Did I forget a concept?
- Did I choose an answer too quickly?
- Did I confuse two similar terms?
- Did I misunderstand the troubleshooting process?
This turns an incorrect answer into a learning opportunity.
Step 3: Group your mistakes
Keep track of the subjects where you repeatedly make mistakes.
For example:
| Area | Performance |
| Troubleshooting | Needs more review |
| Hardware | Strong |
| Security | Moderate |
| Networking | Needs more practice |
| User support | Strong |
This makes your study plan more focused.
Step 4: Retake questions later
After reviewing a weak topic, return to practice questions.
The objective is to see whether your understanding has improved—not simply whether you remember the previous answer.
How Practice Questions Can Improve Your Preparation
Practice questions are particularly helpful when they include explanations.
An explanation should help you understand the concept behind the answer instead of simply telling you which option is correct.
This approach is also reflected in professional certification preparation resources. For example, Cisco Press’s official 100-140 Official Cert Guide Premium Edition and Practice Test includes four practice exams, chapter assessment questions, topic-focused practice, performance tracking, and links to tutorials for further learning.
This demonstrates an important principle:
Practice testing is more useful when it supports learning, review, and performance analysis—not just answer memorization.
A Simple Cisco 100-140 Study Routine
Students with limited preparation time can use a simple routine.
Week 1: Learn the foundations
Focus on:
- IT support fundamentals.
- Hardware.
- Operating systems.
- Basic networking.
- Security awareness.
- Troubleshooting methodology.
At this stage, prioritize understanding.
Week 2: Start focused practice
Begin taking practice tests by topic.
If you consistently struggle with troubleshooting, spend more time on troubleshooting rather than repeatedly practicing areas you already understand.
Week 3: Mix the topics
Start using mixed practice sessions.
This helps you switch between subjects, similar to what you may experience during a certification assessment.
Final study period
Use practice tests to check consistency.
Instead of focusing only on your highest score, look for stable performance across different practice sessions.
What Makes a Good 100-140 Practice Test?
Not every online practice resource provides the same learning experience.
When selecting a Cisco 100-140 practice test, look for resources that provide:
Updated content
Certification objectives can change, so preparation material should be reviewed and updated when the certification content changes.
Clear explanations
An explanation should teach you something, not simply reveal the answer.
Topic coverage
A strong practice resource should help you work across the important IT support knowledge areas rather than focusing narrowly on one subject.
Different question scenarios
A variety of scenarios can help you develop understanding instead of memorizing a fixed sequence of questions.
Progress tracking
Performance information makes it easier to identify weak areas.
Flexible practice
Students should ideally be able to practice according to their schedule, whether that means short sessions or longer simulated tests.
What You Gain From a Smarter Practice Routine
Instead of treating practice questions as a final step, make them part of your complete learning process.
With a structured approach, you can use practice testing to:
- Measure your starting level.
- Discover weak topics.
- Reinforce important concepts.
- Improve troubleshooting thinking.
- Build familiarity with technical language.
- Develop better time-management habits.
- Track progress.
- Increase confidence.
Most importantly, remember that a practice score is not a guarantee of your actual certification result. It is an indicator of your current preparation and an opportunity to identify what you should study next.
Cisco 100-140 Preparation for Beginners
The CCST IT Support certification is designed around foundational skills, making it relevant to learners who are beginning their IT careers.
Cisco states that CCST certifications are intended to validate skills for entry-level IT roles and can provide a foundation for progressing toward associate-level certifications.
That makes 100-140 particularly relevant for learners interested in areas such as:
- IT support.
- Help desk work.
- End-user support.
- Computer support.
- Entry-level technical roles.
Cisco’s IT Support career path also identifies roles such as IT End User Support, Help Desk Support, and Computer Support Specialist as related career directions.
If you are new to IT, do not feel pressured to understand advanced networking, security, or systems administration concepts immediately. Build a strong foundation first.
Build Your Cisco Certification Learning Path
The CCST IT Support certification can be viewed as one part of a broader IT learning journey.
Once you become comfortable with fundamental IT support concepts, you can explore additional certification areas based on your career interests.
If you want to compare resources beyond this certification, Explore the Cisco certification test collection for additional Cisco-focused preparation options.
For learners who are still deciding which certification direction fits their goals, Discover certification learning opportunities and explore different technology and certification paths.
Frequently Asked Questions About the Cisco 100-140 Practice Test
Is Cisco 100-140 for beginners?
Yes. Cisco describes the CCST IT Support certification as an entry-level certification focused on foundational IT support knowledge and skills. There are no formal prerequisites for CCST certifications.
What does the 100-140 exam test?
The 100-140 CCST IT Support exam covers foundational IT support tasks, including troubleshooting, documentation, assisting end users, managing computer components, queue and time management, and identifying security threats.
Is a practice test enough to pass?
A practice test should not be your only preparation method. Use it alongside learning materials, concept review, hands-on practice where appropriate, and repeated review of incorrect answers.
How should I review incorrect questions?
Do not simply memorize the correct option. Read the explanation, identify the concept involved, and then study that topic before trying similar questions again.
Is 100-140 the Cisco networking CCST exam?
No. Cisco currently lists 100-140 as CCST IT Support and 100-150 as CCST Networking.
Does Cisco provide practice resources?
Yes. Cisco lists practice tests among the learning resources available for its CCST certification preparation.