9.3.4 Packet Tracer – IPv6 Neighbor Discovery (Answer)

10.1.4 Packet Tracer – Configure Initial Router Settings (Answers)

10.3.4 Packet Tracer – Connect a Router to a LAN (Answers)

10.3.5 Packet Tracer – Troubleshoot Default Gateway Issues (Answers)

10.4.3 Packet Tracer – Basic Device Configuration (Instructions Answer)

11.5.5 Packet Tracer – Subnet an IPv4 Network (Instructions Answer)

11.7.5 Packet Tracer – Subnetting Scenario (Instruction Answers)

11.9.3 Packet Tracer – VLSM Design and Implementation Practice (Answers)

11.10.1 Packet Tracer – Design and Implement a VLSM Addressing Scheme (Instructions Answer)

12.6.6 Packet Tracer – Configure IPv6 Addressing (Answers)

12.9.1 Packet Tracer – Implement a Subnetted IPv6 Addressing Scheme (Answers)

13.2.6 Packet Tracer – Verify IPv4 and IPv6 Addressing (Answers)

13.2.7 Packet Tracer – Use Ping and Traceroute to Test Network Connectivity (Answers)

13.3.1 Packet Tracer – Use ICMP to Test and Correct Network Connectivity (Instructions Answer)

14.8.1 Packet Tracer – TCP and UDP Communications (Answers)

16.4.6 Packet Tracer – Configure Secure Passwords and SSH (Instructions Answer)

16.5.1 Packet Tracer – Secure Network Devices (Instructions Answer)

17.5.9 Packet Tracer – Interpret show Command Output (Instructions Answer)

17.7.6 Packet Tracer – Troubleshoot Connectivity Issues (Answers)

Quick VLSM Calculator Online – IPv4 Subnetting Tool