Cisco 100-490 Q&A - in .pdf

  • Exam Code: 100-490
  • Exam Name: Supporting Cisco Routing and Switching Network Devices
  • Updated: Sep 12, 2026
  • Q & A: 74 Questions and Answers
  • PDF Price: $59.98
  • Printable Cisco 100-490 PDF Format. It is an electronic file format regardless of the operating system platform.
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Cisco 100-490 Q&A - Testing Engine

  • Exam Code: 100-490
  • Exam Name: Supporting Cisco Routing and Switching Network Devices
  • Updated: Sep 12, 2026
  • Q & A: 74 Questions and Answers
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  • PC Test Engine Price: $59.98
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About Cisco 100-490 Exam Testing Engine

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.

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

Prerequisites

The target audience for the 100-490 RSTECH exam and its Cisco Certified Technician Routing & Switching certification is those onsite support technicians who are seeking to gain technical competence in diagnosing, restoring, repairing, as well as replacing the major Cisco routing and switching network devices. There are no official prerequisites for taking this qualifying test, but before attempting it, the applicants should develop a solid understanding of the topics included in the exam syllabus.

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Cisco 100-490 Exam Syllabus Topics:
SectionWeightObjectives
Cisco IOS Software Operation29%- Device Access
  • 1. Terminal emulation
  • 2. Console access
  • 3. Remote access methods
- Basic IOS Commands
  • 1. Configuration commands
  • 2. Verification commands
  • 3. Navigation commands
- Cisco IOS Fundamentals
  • 1. Startup and configuration files
  • 2. Boot sequence process
  • 3. Cisco IOS software types
- Configuration Management
  • 1. IOS XE operational modes
  • 2. Restore configurations
  • 3. Backup configurations
Service-related Knowledge26%- Recovery Operations
  • 1. Configuration recovery
  • 2. Password recovery
  • 3. Factory reset procedures
- Troubleshooting
  • 1. Basic Layer 2 troubleshooting
  • 2. Connectivity issue diagnosis
  • 3. Basic Layer 1 troubleshooting
- Support Tools
  • 1. Maintenance best practices
  • 2. Diagnostic utilities
  • 3. Windows troubleshooting tools
- Software Maintenance
  • 1. Cisco IOS upgrades
  • 2. Image management
  • 3. Software recovery procedures
Cisco Equipment and Related Hardware20%- Cisco Device Identification
  • 1. Cisco switch models
  • 2. Cisco router models
  • 3. Device components
- Hardware Replacement
  • 1. Field-replaceable units
  • 2. Device installation and replacement procedures
- Hardware Components
  • 1. Ports and interfaces
  • 2. Power supplies
  • 3. Cabling requirements
- Memory and Storage
  • 1. RAM functions
  • 2. Flash memory usage
  • 3. NVRAM functions
General Networking Knowledge25%- Networking Fundamentals
  • 1. Basic networking hardware
  • 2. OSI and TCP/IP models
  • 3. Network addressing concepts
  • 4. Layer 1 and Layer 2 technologies
- Network Utilities
  • 1. Basic connectivity verification
  • 2. IP configuration tools
  • 3. Ping and traceroute
- Network Responsibilities
  • 1. Network support responsibilities
  • 2. Roles of routers and switches

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