Cisco 640-823 exam dumps : Interconnecting Cisco Networking Devices Part 1

  • Exam Code: 640-823
  • Exam Name: Interconnecting Cisco Networking Devices Part 1
  • Updated: Jul 22, 2026     Q & A: 100 Questions and Answers

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Cisco 640-823 Exam Syllabus Topics:

SectionObjectives
Topic 1: LAN Switching Technologies- Configure Switches
  • 1. VLANs and trunking basics
  • 2. Initial switch config and management
Topic 2: Network Fundamentals- IP Addressing
  • 1. Describe subnetting and host addressing
  • 2. Assign and verify IP addresses
- OSI and TCP/IP Models
  • 1. Compare OSI vs TCP/IP
  • 2. Describe common network devices functions
Topic 3: Basic Security Concepts- Security Fundamentals
  • 1. Implement basic device security
  • 2. Secure administrative access
Topic 4: Routing Technologies- Static and Dynamic Routing
  • 1. Configure static and default routes
  • 2. Implement RIPv2
Topic 5: Infrastructure Maintenance- Network Device Management
  • 1. Manage configuration files
  • 2. Basic troubleshooting
Topic 6: Infrastructure Services- IP Services
  • 1. Describe DNS operation
  • 2. Implement NAT and DHCP

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