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Cisco 100-490 Exam Prep Course (Premium File)
AI-Powered Supporting Cisco Routing & Switching Network Devices Exam - Pass on Your First Try

Last updated on Apr 06, 2026

100-490 Practice Exam
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100-490 Package
Premium File (PDF): 72 Questions
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Duration & Delievery: Self Paced
Last Updated: 06-Apr-2026
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All Supporting Cisco Routing & Switching Network Devices certification learning material, study guide, training courses are created by a team of Cisco training experts. The Study Guide and .EXM training software files contain relevant Supporting Cisco Routing & Switching Network Devices content, labs, practice questions and explanation. This 100-490 exam guide and training courses is based on the latest exam outlines available!

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Supporting Cisco Routing & Switching Network Devices Study package designed to help you confidently pass your exam.

The 100-490 Exam Prep Features:

  • Contains the most relevant and up to date 100-490 study material covering all exam topics on the latest 100-490 certification.
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Preparing and Passing the Cisco® 100-490 Exam

Are you a student aspiring to excel in the field of networking? The Cisco® 100-490 exam is a vital stepping stone towards achieving your goals. This article will provide you with comprehensive information and actionable tips to prepare for and pass the Cisco® 100-490 exam successfully.

About the Cisco® 100-490 Exam

The Cisco® 100-490 exam, also known as the Supporting Cisco Routing & Switching Network Devices (RSTECH) exam, is designed to test your knowledge and skills in supporting small- to medium-sized enterprise networks. It validates your understanding of network fundamentals, network access, IP connectivity and services, security fundamentals, automation, and programmability.

To ensure the accuracy and up-to-date information, let's gather insights directly from the official Cisco® website.

Exam Details

According to the Cisco® website, the key details of the 100-490 exam are as follows:

  • Exam Code: 100-490 RSTECH
  • Exam Duration: 90 minutes
  • Number of Questions: The exam consists of 55-65 questions.
  • Exam Format: Multiple choice and performance-based questions
  • Passing Score: Cisco does not disclose the exact passing score, but it is generally around 800-850 on a scale of 1000.
  • Exam Language: English
  • Exam Cost: The cost of the exam may vary based on your location. It is recommended to visit the Cisco® website or contact their authorized testing provider for the most accurate pricing details.

Tips for Exam Preparation

Now that we have a clear understanding of the exam, let's explore some actionable tips to help you prepare effectively:

1. Familiarize Yourself with Exam Objectives

Start by reviewing the official exam objectives provided by Cisco®. These objectives outline the topics and subtopics that you need to focus on during your preparation. Make sure you have a solid grasp of each objective and allocate sufficient study time accordingly.

2. Create a Study Plan

Developing a structured study plan will help you stay organized and cover all the necessary material. Divide your study time into smaller, manageable segments and allocate specific topics to each session. Set realistic goals and track your progress regularly to ensure you stay on track.

3. Utilize Cisco® Learning Resources

Cisco® offers a wide range of learning resources to assist candidates in their exam preparation. Take advantage of these resources, such as official study guides, online courses, practice exams, and virtual labs. These materials are designed to enhance your understanding of the exam topics and provide hands-on experience.

4. Hands-on Practice

Practical experience is crucial when preparing for the Cisco® 100-490 exam. Set up a lab environment using Cisco® network equipment or utilize network simulation software to gain hands-on experience with configuring, troubleshooting, and managing network devices. This practical exposure will reinforce your theoretical knowledge and help you tackle real-world scenarios presented in the exam.

5. Join Study Groups or Forums

Engaging in study groups or online forums dedicated to Cisco® certification exams can provide valuable insights and a platform for discussion. Interacting with fellow candidates, sharing knowledge, and seeking clarification on challenging topics can significantly enhance your understanding and boost your confidence.

6. Practice Time Management

The Cisco® 100-490 exam has a limited duration, so it's essential to manage your time effectively during the exam. Practice solving questions within the given time constraints to improve your speed and accuracy. This will ensure that you can complete all the questions within the allocated time frame.

7. Review and Practice Regularly

Consistency is key when it comes to exam preparation. Review previously covered topics regularly to reinforce your understanding and identify any areas that require further attention. Additionally, practice sample questions and mock exams to familiarize yourself with the exam format and assess your readiness.

By following these tips and adopting a dedicated study approach, you'll be well-prepared to tackle the Cisco® 100-490 exam and increase your chances of success.

Remember, the Cisco® 100-490 exam is a stepping stone in your networking career, and a strong foundation is essential. With the right mindset, commitment, and thorough preparation, you can confidently work towards achieving your certification goals.

Best of luck on your journey towards becoming a certified Cisco® professional!

Cisco

Recent testimonials from our customers:

VirtuLearn AI

Question 10:

  • Answer: Yes

  • Why: The Windows 10 P2S VPN client must include the correct route(s) to reach VNetB via the VPN gateway in VirtualNetworkA. When you peered VirtualNetworkA with VirtualNetworkB, the address space reachable through the gateway changed, but the existing P2S client package may not contain the updated routes. By re-downloading and reinstalling the VPN client configuration, you install an updated client package that includes the route to VirtualNetworkB, allowing the workstation to connect to VNetB through the gateway. This is the documented approach after changing VNets or peering that affects address spaces.

Johannesburg, South Africa

Dug

Passed this exam! The exam is tough and very F***ing tricky. These practice questions are very very relevant and the AI teaching assistant is an enormous help!

United States

VirtuLearn AI

Question 21:

  • Correct answer: B. The command fails due to syntax error.

  • Why it’s wrong:
- Databricks SQL insert statements require a source query after the target table, e.g.: INSERT INTO [TABLE] target_table SELECT ... or INSERT OVERWRITE TABLE target_table SELECT .... - The given command uses INSERT INTO stakeholders.suppliers TABLE stakeholders.new_suppliers; but there is no SELECT or query to provide data, and the TABLE keyword is not used that way for a source. - So the statement doesn’t conform to the required syntax: it’s missing the source query and the INTO/OVERWRITE structure.
  • How to fix (examples):
- Append data from new_suppliers into suppliers: INSERT INTO TABLE stakeholders.suppliers SELECT * FROM stakeholders.new_suppliers; - Overwrite suppliers with data from new_suppliers: INSERT OVERWRITE TABLE stakeholders.suppliers SELECT * FROM stakeholders.new_suppliers; - To avoid duplicates, use DISTINCT: INSERT INTO TABLE stakeholders.suppliers SELECT DISTINCT * FROM stakeholders.new_suppliers;
  • Key concept: insert statements need a target, a mode (INTO

Heerlen, Netherlands

Gobn

Passed this exam... thanks to the AI Tutor for this exam course. It is well-trained and has the latest info. Good job with this guys.

India

VirtuLearn AI

Question 18:

  • Correct answer: A: Expose it in the markup using the implements and access attributes.

Why:
  • App Builder only lists Aura components that declare appropriate interfaces via implements (e.g., flexipage:availableForAllPageTypes). Without this, the component isn’t available to add to a Lightning App Builder page.
  • The access="global" setting makes the component usable across apps/pages, including App Builder; without it, it may not render in the builder.

Why the other options are not correct:
  • Deleting/recreating components and metadata won’t make it available in App Builder.
  • Upgrading API version won’t expose the component if it isn’t annotated with the proper interfaces.
  • Looking for JS errors addresses runtime problems, not the exposure in App Builder.

Example snippet: <aura:component implements="flexipage:availableForAllPageTypes" access="global"> ... component code ... </aura:component>

Suwanee, United States

VirtuLearn AI

https://docs.microsoft.com/en-us/windows-server/identity/ad-ds/plan/delegating-administration-of-account-ousand-resource-ous
The link explains how to delegate administration in AD DS using the Delegation of Control Wizard, scoped to an OU or domain. It supports the principle of least privilege by letting you grant specific tasks only to a limited scope (e.g., an OU) rather than broad admin rights.
How it applies to your scenario:

  • To let User1 manage the membership of all groups in Contoso\OU3, you should create a delegation on OU3.
  • This keeps privileges tightly scoped to OU3, avoiding broader access.

Key steps (brief):
  • Open Active Directory Users and Computers (ADUC).
  • Right-click OU3 ? Delegate Control.
  • Add User1 (or a dedicated group) as the delegate.
  • Choose the specific task(s) you want to allow (e.g., manage group membership) or create a custom task restricted to OU3.
  • Complete the wizard; verify that the delegation applies only to OU3 and its subobjects.

If you want, I can outline the exact wizard options for this scenario.

Monroe, United States

VirtuLearn AI

Question 3:
Question 3 shows a typo. The calculation should be x = 40/3, not 131/3.

  • Setup: 3 eggs are needed per 1 pound, so eggs = 3 × pounds ? 3x = 40.
  • Solve: x = 40/3 ˜ 13.333 pounds (13 1/3 pounds).

Since the options are whole numbers, the closest whole number is 13 pounds. The exact value is 13 1/3 pounds, but the provided answer choice is 13 (Option B).

Canal Winchester, United States

VirtuLearn AI

Question 602:
Answer: D – Decommissioning an application.

  • A one-time risk assessment is used for unique lifecycle events, such as retiring or decommissioning an application. It evaluates potential security or compliance impacts before the system is removed from service.
  • The other options describe ongoing or repeated activities:
- Quantifying an annual loss expectancy is part of continuous risk management. - Updating the risk register periodically is an ongoing governance task. - Complying with a regulation is an ongoing requirement.
Key concept: One-time risk assessments target a specific, finite event (example: decommissioning) rather than repeated operations.

Makati City, Philippines

VirtuLearn AI

explain me the differences between the compliance based approach and the scenario based approach

  • Definition
- Compliance-based approach: Establishes a security baseline from obligations (legal/regulatory/contractual) to address common, accidental, or environmental risks by default. - Scenario-based approach: Builds risk scenarios around risk origins and objectives to explore targeted, intentional threats and their paths (strategic/operational).
  • Focus
- Compliance: What must be covered by law, contracts, or standards; ensures a minimum, uniform control set. - Scenario-based: What attackers might do to achieve objectives; focuses on sophisticated, context-specific threats.
  • Outputs
- Compliance: A security baseline that addresses baseline risks and obligations; simplifies governance and responsibility sharing. - Scenario-based: Risk origins, target objectives, strategic and operational scenarios, and a remediation/treatment plan.
  • Use in process
- Compliance: Often the starting point to quickly establish a defensible baseline. - Scenario-based: Follows or overlays the baseline to identify gaps and prioritize actions against targeted threats.
  • Interaction
- They are complementary: start with the baseline (compliance), then apply scenario analysis to address gaps and prioritize risk treatment.
  • Strengths and limits
- Compliance: Fast, provides a clear baseline; may miss sophisticated or context-specific threats.

Lyon, France