TCP/IP Applications: This section explains the purpose of TCP/IP application layer protocols, focusing on HTTP as an example.
Network Security: This section provides some perspectives on the security threats faced by networks today, introducing some of the key tools used to help prevent and reduce the impact of those threats.
The CCNA exams focus mostly on a deeper and broader examination of the topics covered in Chapter 3 (LANs), Chapter 4 (WANs), and Chapter 5 (routing). This ...
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