Ccna-2v7.0 Case Study -rev B- Jun 2026

Remember the troubleshooting mindset: start at Layer 1, verify Layer 2, and only then proceed to Layer 3 and above. Use ping , traceroute , and show commands relentlessly. If a ping fails, check the ARP table, check the routing table, and verify ACLs.

ip access-list extended HR_BLOCK permit ip any any deny ip 192.168.30.0 0.0.0.255 host 192.168.10.50 ccna-2v7.0 case study -rev b-