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Cisco 642-974 : Data Center Networking Infrastructure Support Specialist

642-974 real exams

Exam Code: 642-974

Exam Name: Data Center Networking Infrastructure Support Specialist

Updated: Aug 20, 2026

Q & A: 138 Questions and Answers

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Cisco 642-974 Exam Syllabus Topics:

SectionWeightObjectives
Layer 2 Protocols & Features25%- VLANs & Trunking
  • 1. 802.1Q Trunking & Native VLAN
  • 2. VLAN Configuration & VTP
- Spanning Tree Protocols
  • 1. Rapid PVST+ & MST
  • 2. Port Channel & vPC
Nexus 7000 Series Management & Infrastructure25%- System Architecture & Hardware
  • 1. Supervisor & Line Cards
  • 2. File Systems & Software Upgrade
  • 3. Nexus Operating System (NX-OS)
- System Management
  • 1. SNMP, Syslog & NTP
  • 2. User Authentication & AAA
  • 3. Licensing & Feature Activation
Layer 3 Routing & Services25%- IPv4 & IPv6 Routing
  • 1. EIGRP & BGP Basics
  • 2. Static Routing & OSPF
- Multicast & High Availability
  • 1. PIM & IGMP
  • 2. VRRP, HSRP & NSF
Quality of Service & Security15%- Access Control & Security
  • 1. Port Security & CoPP
  • 2. VACLs & PACLs
- QoS Implementation
  • 1. Classification & Marking
  • 2. Queuing & Policing
Troubleshooting & Operations10%- Diagnostic Tools
  • 1. Show & Debug Commands
  • 2. Log Analysis & Monitoring
- Common Issue Resolution
  • 1. Connectivity & Performance
  • 2. Configuration Consistency

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