The access control rule in the exhibit has the following characteristics:
* The rule name is DMZ_Rule and it is enabled.
* The action set for this rule is Trust, meaning traffic matching this rule will not be subjected to further inspection.
* The source zones are not specified, meaning any zone can match this rule.
* The destination zone is DMZ_Inside, meaning only traffic destined to this zone can match this rule.
Therefore, the effect of this rule is that all traffic from any zone to the DMZ_Inside zone will be permitted with no further inspection. This is the correct answer, option A.
The other options are incorrect because they do not match the configuration of the rule or the behavior of the Trust action. Option B is incorrect because traffic will be allowed through to the DMZ_Inside zone, not blocked. Option C is incorrect because traffic will not be inspected before being allowed to the DMZ_Inside zone. Option D is incorrect because traffic does not need to be trusted to be allowed to the DMZ_Inside zone. References:
* Firepower Management Center Configuration Guide, Version 6.6 - Access Control Rules
* Firepower Management Center Device Configuration Guide, 7.1 - Access Control Policies
* How to Deploy FMC/FTD part 2 - Access Control Policies

Explanation SNMP polling can often be in the order of 5-10 minutes, CLIs are unstructured and prone to change which can often break scripts. The traditional use of the pull model, where the client requests data from the network does not scale when what you want is near real-time data. Moreover, in some use cases, there is the need to be notified only when some data changes, like interfaces status, protocol neighbors change etc. Model-Driven Telemetry is a new approach for network monitoring in which data is streamed from network devices continuously using a push model and provides near real-time access to operational statistics. Referfence: https://developer.cisco.com/docs/ios-xe/#!streaming-telemetry-quick-start-guide/streaming telemetry SNMP polling can often be in the order of 5-10 minutes, CLIs are unstructured and prone to change which can often break scripts.
The traditional use of the pull model, where the client requests data from the network does not scale when what you want is near real-time data.
Moreover, in some use cases, there is the need to be notified only when some data changes, like interfaces status, protocol neighbors change etc.
Explanation SNMP polling can often be in the order of 5-10 minutes, CLIs are unstructured and prone to change which can often break scripts. The traditional use of the pull model, where the client requests data from the network does not scale when what you want is near real-time data. Moreover, in some use cases, there is the need to be notified only when some data changes, like interfaces status, protocol neighbors change etc. Model-Driven Telemetry is a new approach for network monitoring in which data is streamed from network devices continuously using a push model and provides near real-time access to operational statistics. Referfence: https://developer.cisco.com/docs/ios-xe/#!streaming-telemetry-quick-start-guide/streaming telemetry

ETHOS is the Cisco file grouping engine. It allows us to group families of files together so if we see variants of a malware, we mark the ETHOS hash as malicious and whole families of malware are instantly detected.
ETHOS is the Cisco file grouping engine. It allows us to group families of files together so if we see variants of a malware, we mark the ETHOS hash as malicious and whole families of malware are instantly detected.
ETHOS is the Cisco file grouping engine. It allows us to group families of files together so if we see variants of a malware, we mark the ETHOS hash as malicious and whole families of malware are instantly detected.
Reference:
ETHOS = Fuzzy Fingerprinting using static/passive heuristics
ETHOS = Fuzzy Fingerprinting using static/passive heuristics