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Cisco 100-490

100-490

Exam Code: 100-490

Exam Name: Supporting Cisco Routing and Switching Network Devices

Updated: Sep 08, 2026

Q & A: 74 Questions and Answers

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About Cisco 100-490 Exam Braindumps

Get to know about Exam format for Cisco 100-490 Exam

  • Number of Questions: 55-65
  • Format: Multiple choices, multiple answers
  • Language: English
  • Length of Examination: 90 minutes
  • Passing score: 70%

For more information visit:

Cisco 100-490 Exam Reference

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

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Cisco 100-490 Exam Syllabus Topics:

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

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