CompTIA Security+ All-in-One Exam Guide (Exam SY0-301), 3rd Edition, 3rd Edition

Chapter Review

This chapter covered a wide range of topics—from devices, to media, to topologies— and showed you how to use them together to create secure networks. These complementary items can each support the other in an effort to build a secure network structure. Designing a secure network begins with defining a topology and then laying out the necessary components. Separate the pieces using firewalls with clearly defined security policies. Use devices and media to the advantage of the overall network design and implement usable subnets with VLANs. Use encryption and encapsulation to secure communications of public segments to enable extranets and cross-Internet company traffic. Use items such as intrusion detection systems and firewalls ...