Cisco 100-490 valid exam dumps : Supporting Cisco Routing and Switching Network Devices

  • Exam Code: 100-490
  • Exam Name: Supporting Cisco Routing and Switching Network Devices
  • Updated: Sep 06, 2026
  • Q&As: 74 Questions and Answers

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About Cisco 100-490 Valid Exam Braindumps

Career growth rarely waits for a convenient semester. If 2026 is the year you add a Cisco credential to your name, the 74 Cisco Supporting Cisco Routing and Switching Network Devices practice questions from ValidDumps turn scattered free hours into 100-490 progress.

Cisco 100-490 Exam Overview:

Certification Vendor:Cisco
Exam Name:Supporting Cisco Routing and Switching Network Devices
Exam Number:100-490 RSTECH
Certificate Validity Period:3 years
Exam Price:USD 125 (plus local taxes)
Passing Score:Not publicly disclosed (approx. 800-850 / 1000 scale)
Exam Format:Multiple Choice Single Answer, Multiple Choice Multiple Answer
Available Languages:English, Japanese
Exam Duration:90 minutes
Real Exam Qty:55-65
Recommended Training:Supporting Cisco Routing and Switching Network Devices v3.0
Exam Registration:Cisco Official Exam Page
Pearson VUE Registration
Sample Questions:100-490 exam dumps
Exam Way:Online proctored or onsite at Pearson VUE test centers
Pre Condition:No formal prerequisites; basic networking knowledge recommended
Official Syllabus URL:https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/100-490.html

Cisco 100-490 Exam Syllabus Topics:

SectionWeightObjectives
Cisco IOS Software Operations29%- IOS file system and software management
- Basic CLI configuration and verification
- Basic troubleshooting using show and debug commands
- Password recovery and access control
- IOS operating modes and navigation
Service-related Knowledge26%- Remote support and initial troubleshooting steps
- Safety and compliance practices
- Service request procedures and documentation
- Hardware and software upgrade guidelines
- Identifying fault symptoms and reporting issues
General Networking Knowledge25%- Common network services and protocols
- OSI and TCP/IP models
- LAN switching concepts
- IPv4 and IPv6 addressing and subnetting
- Routing fundamentals
Cisco Equipment and Related Hardware20%- Identify router and switch models and accessories
- Power and cooling requirements
- Physical installation and replacement procedures
- Interfaces, cabling, and port types

Cisco 100-490 Exam FAQ: Clear Answers, No Fluff

Cisco Supporting Cisco Routing and Switching Network Devices is an official Cisco exam, catalogued under the code 100-490. Passing it awards the Cisco Certified Technician Routing & Switching (CCT R&S) certification at the Entry / Technician level. Qualifying exams exist to prove ability in a measurable way, and this one proves yours against the vendor's own standard.

Cisco Supporting Cisco Routing and Switching Network Devices gives you 55-65 questions and 90 minutes to answer them. Treat time as a resource to allocate, not a countdown to fear: rehearse full sessions in the ValidDumps test engine, practice skipping and returning, and build the calm familiarity that lets your actual knowledge show up on exam day.

Passing Cisco Supporting Cisco Routing and Switching Network Devices takes Not publicly disclosed (approx. 800-850 / 1000 scale), and the official fee is USD 125 (plus local taxes). Retakes cost the full USD 125 (plus local taxes) again, which makes verified readiness the cheapest insurance there is. Track your ValidDumps practice scores across sessions and book the exam only when clearing the requirement has become your baseline, not your best day.

No formal prerequisites; basic networking knowledge recommended

Since vendor requirements are revised periodically, confirm the current conditions before registering on the official exam page.

Registration for Cisco Supporting Cisco Routing and Switching Network Devices runs through the official channels below.

One scheduling note: the exam is delivered Online proctored or onsite at Pearson VUE test centers.

Cisco recommends the following training for Cisco Supporting Cisco Routing and Switching Network Devices candidates.

Whichever path you choose, reinforce it with the 74 practice questions in the ValidDumps 100-490 package, because exam confidence is built by answering, not just reading.

Yes. ValidDumps provides a free PDF demo of the Cisco Supporting Cisco Routing and Switching Network Devices material, so the product can earn your trust before it earns your money. After purchase, updates are free for 365 days, and once your product expires you can extend the update service at a 50% discount.

Your purchase carries a 100% money-back guarantee with defined conditions. Take the Cisco Supporting Cisco Routing and Switching Network Devices exam within 60 days of purchase; if you fail, you can claim a full refund, provided the exam matches your product. Attempts within 3 days of purchase are not eligible, and neither are downloaded-but-unused products, free materials, or expired orders; the candidate name must match the payer name. File with a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and claims are processed within 7 days. If you prefer, exchange instead: two other exam products of equal value, free, with the update service on your original purchase retained.

Delivery is instant: files unlock for download at payment and are emailed within one minute. If nothing arrives within 2 hours, check spam and contact customer service. Installation is unlimited across your computers.

The Cisco Supporting Cisco Routing and Switching Network Devices exam is divided into 4 domains. The most prominent are General Networking Knowledge (25%), Cisco Equipment and Related Hardware (20%), and Cisco IOS Software Operations (29%). The complete outline is above on this page; candidates who know the map waste far less time getting to the destination.

Cisco Supporting Cisco Routing and Switching Network Devices Sample Questions:

Question #1

Which command displays a list of file systems that are available on Cisco devices?

  • A. show file system
  • B. show directory
  • C. show version
  • D. show memory
Answer: A

Explanation: Only visible for ValidDumps members. You can sign-up / login (it's free).

Question #2

Which command provides detailed information about the components that are installed on a router, such as the model, PID, and serial number?

  • A. show inventory
  • B. show items
  • C. show router
  • D. show chassis
Answer: A

Explanation: Only visible for ValidDumps members. You can sign-up / login (it's free).

Question #3

TFTP is a simple protocol for transferring files, such as a Cisco IOS or configuration file, from one device to another. Which device can be configured as a TFTP server?

  • A. Cisco router
  • B. CSU/DSU
  • C. modem
  • D. Cisco Content Engine
Answer: A

Explanation: Only visible for ValidDumps members. You can sign-up / login (it's free).

Question #4

How many pairs of copper wire does a UTP cable have?

  • A. 2
  • B. 5
  • C. 3
  • D. 4
Answer: D

Explanation: Only visible for ValidDumps members. You can sign-up / login (it's free).

Question #5

What is the primary method for recovering or upgrading a Cisco network device system image?

  • A. FTP
  • B. USB storage
  • C. the xmodem command
  • D. the tftpdnld command
Answer: D

Explanation: Only visible for ValidDumps members. You can sign-up / login (it's free).

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