642-503 exam study materials

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1. Which two statements are true regarding classic Cisco IOS Firewall configurations? (Choose two.) 

A. You can apply the IP inspection rule in the inbound direction on the trusted interface. 

B. You can apply the IP inspection rule in the outbound direction on the untrusted interface. 

C. For temporary openings to be created dynamically by Cisco IOS Firewall, the access list for the returning traffic must be a standard ACL. 

D. For temporary openings to be created dynamically by Cisco IOS Firewall, you must apply the IP inspectionrule to the trusted interface. 

E. For temporary openings to be created dynamically by Cisco IOS Firewall, the inbound access list on the trustedinterface must be an extended ACL. 

Answer: AB 

2. Refer to the exhibit. Why is the Cisco IOS Firewall authentication proxy not working? 

A. The aaa authentication auth-proxy default group tacacs+ command is missing in the configuration. 

B. The router local username and password database is not configured. 

C. Cisco IOS authentication proxy only supports RADIUS and not TACACS+. 

D. HTTP server and AAA authentication for the HTTP server is not enabled. 

E. The AAA method lists used for authentication proxy should be named "pxy" rather than "default" to match the authentication proxy rule name. 

Answer: D