What are some of the more common tools used to physically maintain a network?
What are components found ineffective network documentation?

"} 6a:{"id":20366,"heading":"Module 12: Network Security","subheadings":"

What are the goals of network security, and what sorts of attacks do you need to defend against?
What best practices can be implemented to defend against security threats?
What are the characteristics of various remote-access security technologies?
How can firewalls be used to protect an organization’s internal network, while allowing connectivity to an untrusted network such as the Internet?
How can virtual private networks (VPNs) be used to secure traffic as that traffic flows over an untrusted network?
What is the difference between intrusion prevention and intrusion detection systems, and how do they protect an organization?

"} 6b:{"id":20367,"heading":"Module 13: Network Policies and Best Practices","subheadings":"

What are the common policies used in the modern network?
What are the common best practices?

"} 6c:{"id":20368,"heading":"Module 14: Network Troubleshooting","subheadings":"

What are the elements in a structured troubleshooting model?
What common physical layer troubleshooting issues might you encounter?
What potential Layer 2 issues are you most likely to face when troubleshooting a network containing Ethernet switches?
Aside from routing protocol troubleshooting, what Layer 3 troubleshooting issues are common in a routed network?
How do characteristics unique to wireless networks impact your troubleshooting of a network containing wireless access points?

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CompTIA Network+ Course