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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.

Cisco Security Product Solutions

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)
  • A
    3% (1)
  • B
    5% (2)
  • D
    93% (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.

AAutomated remediation APIs

Automated remediation APIs are associated with platforms like Cisco SecureX or ISE, not a defining feature of AVC.

BRetrospective security

Retrospective security is a capability of Cisco AMP (Advanced Malware Protection), which analyzes files after initial inspection to detect threats discovered later.

CScalable policy inheritance

Scalable policy inheritance is a feature of Cisco ISE or APIC-EM for policy management, not a function of AVC.

DControl of protocol-hopping apps that evade traditional firewallsCorrect

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

Topics

#Application Visibility and Control#NGFW#protocol-hopping#app control

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