700-765 · Question #107
What is a key feature of Application Visibility and Control?
The correct answer is D. Control of protocol-hopping apps that evade traditional firewalls. Application Visibility and Control (AVC) is a Cisco feature designed to identify and manage applications that bypass traditional port-based firewalls using protocol hopping.
Question
What is a key feature of Application Visibility and Control?
Options
- AAutomated remediation APIs
- BRetrospective security
- CScalable policy inheritance
- DControl of protocol-hopping apps that evade traditional firewalls
How the community answered
(40 responses)- A3% (1)
- B5% (2)
- D93% (37)
Why each option
Application Visibility and Control (AVC) is a Cisco feature designed to identify and manage applications that bypass traditional port-based firewalls using protocol hopping.
Automated remediation APIs are associated with platforms like Cisco SecureX or ISE, not a defining feature of AVC.
Retrospective security is a capability of Cisco AMP (Advanced Malware Protection), which analyzes files after initial inspection to detect threats discovered later.
Scalable policy inheritance is a feature of Cisco ISE or APIC-EM for policy management, not a function of AVC.
AVC provides deep packet inspection and classification to detect and control applications that use protocol hopping, tunneling, or port obfuscation to evade traditional firewalls. Unlike stateful firewalls that rely on port/protocol matching, AVC uses behavioral and signature-based analysis to identify evasive applications. This allows network administrators to apply granular policies even to apps that disguise their traffic.
Concept tested: Application Visibility and Control protocol-hopping detection
Source: https://www.cisco.com/c/en/us/solutions/enterprise-networks/application-visibility-control/index.html
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