Selecting Switching and Routing Protocols and Network Security ?

Selecting Switching and Routing Protocols.” Please respond to the following:   

Select a routing protocol that interests you, whether it’s RIP vs. OSPF, EIGRP, BGP, or a different routing protocol. Research any security issues associated with this routing protocol.

Developing Network Security Strategies.” Please respond to the following:   

Describe the modular approach to security design. Find a recent computing security breach in the news and present how a modular approach may have been used to prevent the security breach.