Free Practice Questions for Cisco 300-720 Exam

Safelists and blocklists are features on Cisco ESA that allow you to control email delivery based on the sender. Safelists are lists of sender addresses or domains that you want to accept or exempt from certain filtering actions.  Blocklists are lists of sender addresses o r domains that you want to reject or drop 3 . References =  Securing Email with Cisco Email Security Appliance (SESA) v3.1

Secure unsubscribe option for end users. Mimicking an unsubscribe option is a popular phishing technique. For this reason, the end users are generally wary of cl icking unknown unsubscribe links. For such scenarios, the cloud-based Unsubscribe Service extracts the original unsubscribe URI, checks the reputation of the URI, and then performs the unsubscribe process on behalf of the end user. This protects end users from malicious threats masquerading as unsubscribe links. https://www.cisco.com/c/en/us/td /docs/security/esa/esa14-2-1/User_Guide/b_ESA_Admin_Guide_14-2-1/b_ESA_Admin_Guide_12_1_chapter_01110.html#id_101033

The default method of remotely accessing a newly deployed Cisco Secure Email Virtual Gateway when a DHC P server is not available is to use the IP address of 192.168.42.42 via the Management port. This IP address is assigned by default to the Management port of the virtual gateway and can be used to access the web user interface or the command-line interface of the appliance.  References : [Cisco Secure Email Gateway Installation and Upgrade Guide - Configuring Network Settings]

A filter is a method that enables an engineer to deliver a flagged message to a specific virtual gateway address in the most flexible way. A filter is a rule that allows Cisco ESA to perform actions on messages based on predefined or custom conditions, such as headers, envelope, body, attachments, etc.

To deliver a flagged message to a specific virtual gateway address using a filter, the engineer can create a content filter or message filter that matches the flag condition and applies an action of “deliver via alternate host” with the virtual gateway address as the parameter.

The other options are not methods that enable an engineer to deliver a flagged message to a specific virtual gateway address in the most flexible way, because they have more limitations or requirements than using a filter.

A regular expression is a sequence of characters that defines a search pattern for text. To match a string of 123ABCDEFGHJ, you need to use the following regular expression: \d{3}[A-Z]{9}. This expression means that the string must start with three digits (\d{3}), followed by nine uppercase letters ([A-Z] {9}). This expression will match any string that has the sam e format as 123ABCDEFGHJ. References =  User Guide for AsyncOS 12.0 for Cisco Email Security Appliances - GD (General Deployment) - Regular Expressions [Cisco Secure Email Gateway] - Cisco

LDAP acceptance validation is a feature that allows the Cisco Secure Email Gateway to check if the recipient address of an incoming message exists in an LDAP directory before accepti ng it.  This feature can help prevent spammers from sending emails with invalid recipient addresses and reduce the load on the applia nce 2 . References =  User Guide for AsyncOS 12.0 for Cisco Email Security A ppliances - GD (General Deployment) - Configuring LDAP Queries [Cisco Secure Email Gateway] - Cisco

A policy quarantine is a type of quarantine that allows Cisco ESA to store messages that match certain criteria, such as virus, spam, or DLP verdicts, for further review or release by an administrator or an end user.

A scenario that prevents a message from being sent to the quarantine as an action in the scan behavior on Cisco ESA is when a policy quarantine is missing, which means that no policy quarantine has been created or enabled on Cisco ESA.

The other options do not prevent a message from being sent to the quarantine as an action in the scan behavior on Cisco ESA.