Cisco Updated 300-720 Exam Questions and Answers by safwan

SenderBase Reputation Filtering is a feature that allows Cisco ESA to reject or throttle connections from email servers based on their reputation score, which is calculated by Talos using sensor information from various sources.

References: User Guide for AsyncOS 15.0 for Cisco Secure Email Gateway, page 6-2.

Spam threshold is a setting that determines the minimum score that a message must have to be classified as spam by Cisco ESA. The lower the threshold, the more aggressive the spam detection is.

References: User Guide for AsyncOS 15.0 for Cisco Secure Email Gateway, page 6-5.

• System: This is the default list of trusted certificate authorities that is provided by Cisco and updated automatically. It contains the certificates of well-known and widely used certificate authorities, such as VeriSign, Thawte, and GoDaddy.
• Custom: This is the list of additional certificate authorities that you can add manually or import from a file. It allows you to trust certificates that are issued by your own or third-party certificate authorities that are not included in the system list.