Lesson 7: Traffic Management Filters
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Questions and Answers

What action does the Block Rule take?

  • Drops matching traffic (correct)
  • Rate-limits traffic
  • Bypasses DV inspection
  • Allows matching traffic

When is the Trust rule used?

  • When traffic needs to be rate-limited
  • When traffic is from external users
  • When performance optimization is needed (correct)
  • When traffic is inspected against DV filters

In what scenario would the Allow Rule be applied?

  • When traffic is inspected against DV filters (correct)
  • When the traffic needs to be rate-limited
  • When no further inspection is required once matched
  • When external users attempt to access web servers

What type of parameters do Traffic Management Filters react to?

<p>Limited set of parameters including source IP, destination IP, port, protocol, and other defined values (A)</p> Signup and view all the answers

What is the purpose of the Rate Limit rule?

<p>To rate-limit the traffic to the specified rate before inspection against DV filters (A)</p> Signup and view all the answers

When are Block Streams and Rate-Limited Streams used?

<p>Only for traffic management matches with block actions (A)</p> Signup and view all the answers

In what scenario would the Trust rule be more beneficial than the Allow rule?

<p>When performance optimization is needed without DV inspection (D)</p> Signup and view all the answers

What is the primary purpose of Managed Streams?

<p>To manage traffic that matches block or rate-limit actions (D)</p> Signup and view all the answers

What does flow-based inspection filters look at?

<p>Packet headers and the packet payload data (B)</p> Signup and view all the answers

Which type of filter looks at the overall behavior of traffic over time?

<p>Algorithmic filters (D)</p> Signup and view all the answers

What do reconnaissance filters focus on detecting?

<p>Port scans and host sweeps (D)</p> Signup and view all the answers

Which type of filter is used to detect exploit-specific traffic?

<p>Exploit-specific filters (A)</p> Signup and view all the answers

What type of filters look at the IP header?

<p>Header based filters (A)</p> Signup and view all the answers

Which type of filter examines the source/destination IP, source/destination port, IP protocol, and VLAN?

<p>Non-flow-based inspection filters (D)</p> Signup and view all the answers

What do vulnerability filters focus on detecting?

<p>Vulnerabilities (B)</p> Signup and view all the answers

What is the purpose of creating a 4-way trust rule in a network environment according to the text?

<p>To catch all possible directions for both scan and response (A)</p> Signup and view all the answers

What is the significance of creating multiple rules instead of a single rule in a network environment?

<p>It ensures that traffic traversing each IPS device is accurately controlled (D)</p> Signup and view all the answers

What happens when a rate-limit Action Set is assigned to a Filter in a network environment?

<p>All flows which match that filter will share the same 'virtual pipe' (C)</p> Signup and view all the answers

In the context of rate limiting, what does creating a 'virtual pipe' mean?

<p>It groups together flows that match specific filters to share the same rate limit (C)</p> Signup and view all the answers

What is the main purpose of creating a rate-limit Action Set in a network environment?

<p>To group together flows that need to share the same rate limit (D)</p> Signup and view all the answers

Why might it be necessary to create multiple rules for various segments and IPS devices in a network environment?

<p>To account for variations in traffic traversal through different segments and IPS devices (C)</p> Signup and view all the answers

What does it mean when two filters share the identical Action Set in a network environment?

<p>'Virtual pipes' are shared by all flows matching the filters (C)</p> Signup and view all the answers

What is the implication of assigning the same rate limit to multiple filters in a network environment?

<p>'Virtual pipes' will be shared by all flows matching those filters (C)</p> Signup and view all the answers

What is the purpose of creating separate Action Sets with different names but the same rate limit value in a network environment?

<p>To allow specific filters to have their own unique rate limits (D)</p> Signup and view all the answers

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