Module $1.$ Single$-$Area OSPFv$2$ Concepts

Describe how a Cisco router makes a forwarding decision by default

Module $2.$ Single$-$Area OSPFv$2$ Configuration

Discuss the role of the designated router $($DR$)$ and backup designated router $($BDR$)$ in OSPF. Examine the process of OSPF routers forming neighbor relationships. Investigate common issues related to OSPF neighbor formation and how to troubleshoot them.

Module $3.$ Network Security Concepts

Define key security concepts $($threats$,$ vulnerabilities, exploits, and mitigation techniques$)$

Describe security password policy elements, such as management, complexity, and password alternatives $($multifactor authentication, certificates, and biometrics$)$

Differentiate authentication, authorization, and accounting concepts

Module $4.$ ACLs Concepts

Access Control List can mean different things for different technologies $($for example, an ACL in Linux is not the same as an ACL in Cisco IOS$).$ What are the ACLs in Cisco IOS? How are they used? Describe the types of ACLs, how and where they are used, common mistakes, etc.