640-823 exam dumps

Cisco 640-823 Value Package

(Include: PDF + Desktop Test Engine + Online Test Engine)

  • Exam Code: 640-823
  • Exam Name: Interconnecting Cisco Networking Devices Part 1
  • No. of Questions: 100 Questions and Answers
  • Updated: Aug 23, 2026

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Cisco 640-823 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Infrastructure Maintenance9%- IOS file system and backup
- Device configuration management
- Basic network troubleshooting
Topic 2: Routing Fundamentals25%- Static and default routing
- RIPv2 configuration and verification
- Routing concepts and tables
- Router configuration and management
Topic 3: Infrastructure Services20%- DHCP server and relay
- Basic wireless concepts
- NAT operations and configuration
- DNS and NTP services
Topic 4: LAN Switching Fundamentals26%- Troubleshooting switch issues
- VLANs and trunking
- Switch security and management
- Switch operation and configuration
Topic 5: Network Fundamentals20%- TCP/UDP transport layer protocols
- IPv4 addressing and subnetting
- OSI and TCP/IP models
- Ethernet technologies and operations
- IPv6 addressing and configuration

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