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

  • Exam Code: 100-490
  • Exam Name: Supporting Cisco Routing and Switching Network Devices
  • Updated: Aug 31, 2026     Q & A: 74 Questions and Answers

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Preparation Process

Career Opportunities

After taking the Cisco 100-490 exam, the candidates will be awarded the CCT Routing & Switching certification. With this certificate, you will have an influence on your employer and get a prospective job with a decent salary. Thus, if you are ready to change your life, you can take various job roles, such as a Systems Integration Technician, a Cisco Network Engineer, an Offline Technician, an Internet Support Technician, a LAN Support Technician, a Senior Software Engineer, and a Network Support Technician, among others. The average salary can vary from $90,000 to $130,000 per year. Please note that the amount of wages depends on different factors, including your job title, working experience, and related tasks you have to perform. So, this means that you can earn even more.

Reference: https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/100-490-rstech.html

Cisco 100-490 Exam Certification Details:

Number of Questions55-65
Exam RegistrationPEARSON VUE
Exam Price$125 USD
Sample QuestionsCisco 100-490 Sample Questions
Passing ScoreVariable (750-850 / 1000 Approx.)
Recommended TrainingSupporting Cisco Routing and Switching Network Devices (RSTECH) v3.0
Exam Code100-490 RSTECH
Exam NameSupporting Cisco Routing and Switching Network Devices
Duration90 minutes

Prerequisites

To be eligible for this certification exam, the potential candidates are required to possess an understanding of Cisco switch & router interfaces, models, cabling, as well as accessories. Please note that there are no official prerequisites for Cisco 100-490 and you don’t need to earn a certificate or have a technical background. However, the applicants should know all the topics and the content before taking the test.

Cisco 100-490 Exam Syllabus Topics:

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

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