CST3607 Class Notes 2021-12-07

News & Tools

Exam 3 Debriefing

Quiz – Hands-on Troubleshooting

Requires: Cisco Packet Tracer v8.x.

  • Duration is 60 minutes.
  • You are required to Save and exit from Packet Tracer before the time reaches 60 minutes.
  • Quiz must be received by my e-mail before 10 pm tonight. (And the time must be <=60 minutes.)
  • The needed assets are on the class Download page.

Authentication, Authorization, and Accounting, or AAA

  • AAA is a technology that gives us substantial control over users and what they’re permitted to do inside of our networks.
  • RADIUS and TACACS+ security servers like Integrated Services Engine ISE help us implement a centralized security plan by recording network events to the security server, or to a Syslog server via logging.

Network Security Threats

The four (4) primary threats to network security

  • Unstructured Threats
  • Structured Threats
  • External Threats
  • Internal Threats

Three Primary Network Attacks

  • Reconnaissance Attacks
  • Access Attacks
  • Denial of Service (DoS) Attacks

Network Attacks

Security Program Elements

  • User awareness
  • Training
  • Physical security

Layer 2 Security Features

  • The bottom layer of this model, the Access Layer, controls user and workgroup access to internetwork resources.
  • Sometimes it’s referred to as the desktop layer.

Authentication Methods

  • Username and Password
  • PAP, and CHAP authentication
  • Windows Authentication
  • Security Server Authentication

Managing User Accounts

  • Disabling Accounts

Security Password Policy Elements

  • Password Management

User-Authentication Methods

Setting Passwords

Read / Watch / Do

CCNA Certification Study Guide, Volume 2

  • Read Chapter 17: Internet Protocol v6 (IPv6)
  • Do the Written Labs
  • Answer the Review Questions
    • Do not submit your answers for this chapter. The answers are in Appendix.

Better Focus and Efficient Studying When Not Multitasking