Cisco Resilient Configuration Feature:

When is “Deny all” policy an exception in Zone Based Firewall

Which privileged level is … by default? for user exec mode

Man-in-the-middle attack definition:

The NAT traversal definition:

Unicast Reverse Path Forwarding definition:

Which statement about command authorization and security contexts is true?

I had the “nested” question (wording has been different). Two answers ware related to
hierarchy:

Which two features of Cisco Web Reputation tracking can mitigate web-based threats?
(Choose Two)

The Oakley cryptography protocol is compatible with following for managing security?