CHAPTER 4
Advanced Networking and Communications

In this chapter, you will learn about

• Telecommunications methods used to access the Internet

• Securing the Voice over Internet Protocol (VoIP) with the Secure Real-time Transport Protocol (SRTP)

• Packet filtering, stateful, and application firewalls

• Defense diversity with firewalls

• The differences between network-based and host-based firewalls

• Risks and vulnerabilities related to remote access solutions

• Different tunneling protocols used with remote access

• Authentication methods used with remote access

• Network access control