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Updated: Sep 18, 2026

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Recommended Training for 100-490 Exam

Cisco dedicates an e-Learning course known as ‘CCT Supporting Cisco R&S Network Devices’ to 100-490 validation. The intention of this device-specific course is captured in how the exam subject matter is looked at intensively. The duration is similar to a classroom session running for 6-7 hours. Individuals who should go ahead and enroll for such training are field engineers, and more so those concerned with third-party maintenance of Cisco networks and products. The training is vital in building learners to enhance their competency in the basics of networking, the configuration of remote servers, and basic troubleshooting of Layer 1 as well as Layer 2. Also, the subject of recognizing endpoints for connection is included in this course. Other than the indicated areas, a candidate who passes through the entire content during training will be positioned for the management of Cisco gadgets as well as connected systems and passing the official 100-490 exam. So, this should be the actual instance after the accomplishment of such a course:

  • Capabilities regarding the performing of remedial services on products for Cisco that include software in addition to configuration backup as well as restore, upgrade/downgrade for software;
  • Knowledge of recognizing connection types as well as cable requirement;
  • Awareness concerning network fundamentals, products for Cisco, and hardware elements;
  • Abilities in the usage of the software configuration as well as tools for Cisco such as Tera Term, TFTP server, Putty, FTP server, loopback plug, USB storage, and Windows;
  • Competence in working on basic troubleshooting for Layer 1 and Layer 2.

In all, this self-paced 100-490 exam course is obtainable from Cisco Learning Network Store and after purchase, you will have up to six months of access.

Cisco 100-490 Exam Overview:

Certification Vendor:Cisco
Exam Name:Supporting Cisco Routing and Switching Network Devices
Exam Number:100-490
Available Languages:English
Certificate Validity Period:3 years
Real Exam Qty:60-70
Exam Price:$125 USD
Passing Score:Pass/Fail
Exam Format:Multiple Response, Computer-Based Testing, Multiple Choice
Related Certifications:Cisco Certified Technician (CCT) Routing and Switching
Cisco Certified Support Technician
CCNA
Exam Duration:90 minutes
Sample Questions:Cisco 100-490 Sample Questions
Exam Way:Delivered through Pearson VUE testing centers. The exam focuses on onsite support, maintenance, troubleshooting, and replacement of Cisco routing and switching devices.
Pre Condition:No formal prerequisite is required. Basic networking knowledge and hands-on experience with Cisco routing and switching devices are recommended.
Official Syllabus URL:https://learningnetwork.cisco.com/s/cct-routing-switching-exam-topics

Career Prospects

Passing the Cisco 100-490 exam takes you closer to obtaining the Cisco Certified Technician Routing & Switching certification, which is the main validation of your in-depth expertise in the Cisco networking equipment. After earning this certificate, you can explore a wide range of employment opportunities. The certified professionals can follow the career paths of an Engineer (network, field, application & support) or a Systems Administrator. The CCT Routing & Switching certification can also open doors to higher remuneration. According to PayScale.com, the average income of a Field Engineer amounts to $64,142 per year. Holding the position of an Application & Support Engineer, you can earn an average of $71,506 per annum.

Who Should Embrace 100-490 Test?

The foundational comprehension attainable through the Cisco 100-490 exam is best for those considering the provision of support for Cisco devices for switching and routing. If you are wishing to garner skills about other gadgets and systems from Cisco, then such an exam is also a fitting choice for you. Remember, 100-490 is a foundational test so no prior demands are proposed for it except that the potential candidate ought to acquire the needful knowledge, which training and revision guides can fully extend. Of importance are the following domains that must be looked into as that is how you will be exploring what the test demands of you:

  • Operation related to Cisco IOS software;
  • Knowledge associated with service.
  • General knowledge on networking;
  • Cisco equipment in addition to related hardware;

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

Certification

As stated before, the CCT Routing and Switching certification is an entry-level validation that can open you up to higher-level certifications offered by Cisco. Getting this designation is proof of your knowledge and understanding of the IOS operating modes for Cisco software and other relevant software types. It also shows that you have the skills to utilize the Command Line Interface of Cisco to service & unite various products. In addition, preparing for the CCT Routing and Switching certificate gives you a solid base in Cisco networking knowledge before you can move on to higher-level certifications. Finally, the certification proves you have operational knowledge of Cisco equipment while the other levels typically focus on the configuration process and more in-depth information.

Cisco 100-490 Exam Syllabus Topics:

SectionWeightObjectives
Service-related Knowledge26%- Support Tools
  • 1. Maintenance best practices
  • 2. Windows troubleshooting tools
  • 3. Diagnostic utilities
- Software Maintenance
  • 1. Image management
  • 2. Software recovery procedures
  • 3. Cisco IOS upgrades
- Troubleshooting
  • 1. Basic Layer 2 troubleshooting
  • 2. Connectivity issue diagnosis
  • 3. Basic Layer 1 troubleshooting
- Recovery Operations
  • 1. Password recovery
  • 2. Configuration recovery
  • 3. Factory reset procedures
General Networking Knowledge25%- Network Responsibilities
  • 1. Network support responsibilities
  • 2. Roles of routers and switches
- Networking Fundamentals
  • 1. Layer 1 and Layer 2 technologies
  • 2. Basic networking hardware
  • 3. OSI and TCP/IP models
  • 4. Network addressing concepts
- Network Utilities
  • 1. Basic connectivity verification
  • 2. Ping and traceroute
  • 3. IP configuration tools
Cisco Equipment and Related Hardware20%- Hardware Replacement
  • 1. Device installation and replacement procedures
  • 2. Field-replaceable units
- Cisco Device Identification
  • 1. Device components
  • 2. Cisco router models
  • 3. Cisco switch models
- Memory and Storage
  • 1. RAM functions
  • 2. Flash memory usage
  • 3. NVRAM functions
- Hardware Components
  • 1. Ports and interfaces
  • 2. Power supplies
  • 3. Cabling requirements
Cisco IOS Software Operation29%- Cisco IOS Fundamentals
  • 1. Cisco IOS software types
  • 2. Startup and configuration files
  • 3. Boot sequence process
- Configuration Management
  • 1. IOS XE operational modes
  • 2. Restore configurations
  • 3. Backup configurations
- Basic IOS Commands
  • 1. Configuration commands
  • 2. Verification commands
  • 3. Navigation commands
- Device Access
  • 1. Console access
  • 2. Terminal emulation
  • 3. Remote access methods

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