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 18, 2026
  • Q&As: 74 Questions and Answers

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Cisco 100-490 Value Pack (Frequently Bought Together)

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Value Pack Total: $179.97  $79.99

About Cisco 100-490 Valid Exam Braindumps

Free resources look tempting until you realize half of them contradict the other half. Instead of burning 2026 evenings sorting signal from noise, 100-490 candidates can start with the 74 verified Cisco Supporting Cisco Routing and Switching Network Devices practice questions at ValidDumps and spend that time actually learning.

Cisco 100-490 Exam Overview:

Certification Vendor:Cisco
Exam Name:Supporting Cisco Routing and Switching Network Devices
Exam Number:100-490 RSTECH
Exam Duration:90 minutes
Real Exam Qty:55-65
Certificate Validity Period:3 years
Available Languages:English, Japanese
Passing Score:Not publicly disclosed (approx. 800-850 / 1000 scale)
Exam Format:Multiple Choice Multiple Answer, Multiple Choice Single Answer
Exam Price:USD 125 (plus local taxes)
Recommended Training:Supporting Cisco Routing and Switching Network Devices v3.0
Exam Registration:Cisco Official Exam Page
Pearson VUE Registration
Sample Questions:Free Download real 100-490 exam prep
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
Topic 1: Cisco IOS Software Operations29%- IOS operating modes and navigation
- IOS file system and software management
- Basic troubleshooting using show and debug commands
- Password recovery and access control
- Basic CLI configuration and verification
Topic 2: Service-related Knowledge26%- Service request procedures and documentation
- Hardware and software upgrade guidelines
- Remote support and initial troubleshooting steps
- Identifying fault symptoms and reporting issues
- Safety and compliance practices
Topic 3: General Networking Knowledge25%- Routing fundamentals
- Common network services and protocols
- IPv4 and IPv6 addressing and subnetting
- LAN switching concepts
- OSI and TCP/IP models
Topic 4: Cisco Equipment and Related Hardware20%- Identify router and switch models and accessories
- Physical installation and replacement procedures
- Power and cooling requirements
- Interfaces, cabling, and port types

Questions Candidates Ask About Cisco Supporting Cisco Routing and Switching Network Devices

Cisco Supporting Cisco Routing and Switching Network Devices is an official Cisco certification exam, listed under the code 100-490. Clearing it earns the Cisco Certified Technician Routing & Switching (CCT R&S) certification, a Entry / Technician-level credential. For employers, the value is simple: the vendor itself has verified what you know.

You will work through 55-65 questions in 90 minutes on the Cisco Supporting Cisco Routing and Switching Network Devices exam. The content is only half the battle; the clock is the other half. Train both at once: set the ValidDumps test engine to full timed mode, practice skipping and returning to stubborn items, and repeat until finishing with minutes to spare feels normal rather than lucky.

Passing Cisco Supporting Cisco Routing and Switching Network Devices requires Not publicly disclosed (approx. 800-850 / 1000 scale), and the official registration fee is USD 125 (plus local taxes). Remember that a retake bills the same USD 125 (plus local taxes) all over again, so winging it is the most expensive strategy on the table. A better approach: benchmark yourself with the ValidDumps practice tests first, and schedule the real exam only once your scores sit comfortably and consistently above the requirement.

No formal prerequisites; basic networking knowledge recommended

Requirements do evolve, so before you spend a registration fee, verify the current conditions on the official exam page.

Registration for Cisco Supporting Cisco Routing and Switching Network Devices is handled through the vendor's official channels below.

One more detail for your planning: the exam is delivered Online proctored or onsite at Pearson VUE test centers.

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

Training tells you what to learn; practice questions teach you how the exam asks it. Pair either with the 74 items in the ValidDumps 100-490 package and you cover both halves.

Yes. The free demo on this page contains a portion of the complete Cisco Supporting Cisco Routing and Switching Network Devices question set, enough to judge the accuracy and the clarity of the explanations for yourself. After purchase, updates are free for 365 days, and once your product expires you can extend the update service at a 50% discount.

ValidDumps provides a 100% money-back guarantee with clearly stated conditions. Take the Cisco Supporting Cisco Routing and Switching Network Devices exam within 60 days of purchase; if you fail, you may claim a full refund, as long as the exam matches your product. Exams taken within 3 days of purchase are not eligible, and neither are products that were downloaded but never used, free materials, or expired orders; the candidate name must match the payer name. File the claim with a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and it is processed within 7 days. If you would rather exchange than refund, you can receive two other exam products of equal value free of charge and keep the update service on your original purchase.

Delivery is immediate: your purchase is downloadable right away and automatically emailed to you within one minute of successful payment. If nothing arrives within 2 hours, check your spam folder and contact customer service. You may install the software on as many computers as you wish.

The official Cisco Supporting Cisco Routing and Switching Network Devices syllabus comprises 4 domains. The heaviest hitters are Service-related Knowledge (26%), Cisco IOS Software Operations (29%), and Cisco Equipment and Related Hardware (20%). The complete outline sits above on this page; walk it top to bottom and mark every line you could not teach to someone else.

Cisco Supporting Cisco Routing and Switching Network Devices Sample Questions:

Question #1

The pins on an RJ-45 cable plug are numbered from 1 through 8. When the metal pins of the plug are facing toward you, pin 1 is the leftmost pin. Which two sets of pins are looped on an RJ-45 56K loopback plug? (Choose two.)

  • A. pins 2 and 5
  • B. pins 1 and 4
  • C. pins 1 and 7
  • D. pins 2 and 8
  • E. pins 2 and 7
Reveal Solution  Discussion  0

Correct Answer: C,D  🗳️

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

Question #2

Which two IPv4 addresses are assigned to host computers? (Choose two.)

  • A. 255.255.255.255
  • B. 10.1.1.20
  • C. 292.10.3.4
  • D. 0.0.0.0
  • E. 192.168.10.15
Reveal Solution  Discussion  0

Correct Answer: B,E  🗳️

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

Question #3

Which protocol does TFTP typically use for transport?

  • A. UDP
  • B. TCP
  • C. RSVP
  • D. HTTP
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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

Question #4

What is the Windows-based program that executes the ping command to test network connectivity?

  • A. Start
  • B. Find
  • C. ipconfig
  • D. cmd
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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

Question #5

Which router port is used for dial-in access to the router for CLI management purposes and does not usually pass normal network traffic?

  • A. channelized serial
  • B. Gigabit Ethernet
  • C. AUX
  • D. Fast Ethernet
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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

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