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

100-490 real exams

Exam Code: 100-490

Exam Name: Supporting Cisco Routing and Switching Network Devices

Updated: Sep 05, 2026

Q & A: 74 Questions and Answers

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

FAQ: Preparing for Cisco Supporting Cisco Routing and Switching Network Devices the Smart Way

Cisco Supporting Cisco Routing and Switching Network Devices is an official exam run by Cisco under exam code 100-490. Passing it awards the Cisco Certified Technician Routing & Switching (CCT R&S) certification, which sits at the Entry / Technician tier. Certified professionals remain in shorter supply than the market wants, which is precisely why this exam keeps showing up in conversations about better roles and better pay.

The Cisco Supporting Cisco Routing and Switching Network Devices exam gives you 90 minutes to work through 55-65 questions. That is a tight ratio, and it punishes candidates who get emotionally attached to any single item. The fix is mechanical: answer what you know, flag what you do not, and keep moving. A few full-length timed runs in the Actual4Exams test engine, with its randomized question order, will calibrate your pace far better than untimed reading ever could.

The official fee for Cisco Supporting Cisco Routing and Switching Network Devices is USD 125 (plus local taxes), and Not publicly disclosed (approx. 800-850 / 1000 scale) is what passing takes. The uncomfortable part: retakes cost the full USD 125 (plus local taxes) again, which makes preparation the cheapest line item in this whole project. Before booking, put yourself through repeated scored sessions with the Actual4Exams practice tests and compare results over time; a stable margin above the passing line, not a single lucky run, is when you are ready.

No formal prerequisites; basic networking knowledge recommended

Vendor rules do get revised, so treat this as your starting point and confirm the current eligibility details before booking via the official exam page.

Cisco Supporting Cisco Routing and Switching Network Devices registration runs through these official channels.

Worth noting when you schedule: the exam is delivered Online proctored or onsite at Pearson VUE test centers.

Yes, Cisco points Cisco Supporting Cisco Routing and Switching Network Devices candidates toward the following training.

Whatever course you choose, close the loop with question practice: the 74 items in the Actual4Exams 100-490 package convert course knowledge into exam-day scoring ability.

It is. Actual4Exams publishes a free PDF demo of the Cisco Supporting Cisco Routing and Switching Network Devices material, so the product can prove itself before you pay. Your purchase then comes with 365 days of free updates, and once that period ends, extending the update service costs 50% of the regular price. The test engine software itself is verified malware-free and safe to install.

Actual4Exams stands behind the product with a 100% money-back guarantee under defined conditions. If you take the Cisco Supporting Cisco Routing and Switching Network Devices exam within 60 days of purchase and fail, you qualify for a full refund, provided the exam corresponds to your product. Sitting the exam within 3 days of purchase does not qualify, and neither do unused downloads, free materials, or expired orders; the candidate name must match the payer name. Submit a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and claims are resolved within 7 days. You may also choose an exchange instead of a refund: two other exam products of equal value, free, with the update service on your original purchase retained.

Delivery takes about a minute. Files unlock for instant download at payment and are emailed to you automatically; if 2 hours pass with nothing received, check spam and contact customer service. There is no installation limit, so the test engine can live on every device you own, phone included.

Cisco Supporting Cisco Routing and Switching Network Devices breaks down into 4 official domains, led by Cisco Equipment and Related Hardware (20%), Cisco IOS Software Operations (29%), and Service-related Knowledge (26%). You will find the full topic-by-topic outline above on this page; use the weightings to budget your study hours where they pay back the most.

Cisco Supporting Cisco Routing and Switching Network Devices Sample Questions:

Question 1

Which type of custom scripting has Cisco NX-OS added to help manage user networks?

A. SQL
B. Python
C. C++
D. Collective


Question 2

Which protocol does TFTP typically use for transport?

A. RSVP
B. UDP
C. TCP
D. HTTP


Question 3

What are two functions of SmartJack? (Choose two.)

A. It acts as a concentration point for dial-in and dial-out connections.
B. It provides channel testing.
C. It provides signal conversion.
D. It operates at Layer 2 of the OSI model.
E. It regenerates the signal to compensate for signal degradation from line transmission.


Question 4

Which type of Cisco console cable is used to connect a laptop to the console port on a Cisco router?

A. fiber
B. rollover
C. crossover
D. straight-through


Question 5

Which two statements about a SmartJack are true? (Choose two.)

A. It acts as a concentration point for dial-in and dial-out connections.
B. It provides channel testing.
C. It provides signal conversion.
D. It operates at Layer 2 of the OSI model.
E. It regenerates the signal to compensate for signal degradation from line transmission.


Solutions:

Question 1
Answer: B
Question 2
Answer: B
Question 3
Answer: C,E
Question 4
Answer: B
Question 5
Answer: C,E

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No help, Full refund!

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We still understand the effort, time, and money you will invest in preparing for your certification exam, which makes failure in the Cisco 100-490 exam really painful and disappointing. Although we cannot reduce your pain and disappointment but we can certainly share with you the financial loss.

This means that if due to any reason you are not able to pass the 100-490 actual exam even after using our product, we will reimburse the full amount you spent on our products. you just need to mail us your score report along with your account information to address listed below within 7 days after your unqualified certificate came out.

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