13.5.8 Check Your Understanding – Controllers Answers

1. This is a table that matches incoming packets to a particular flow and specifies the functions that are to be performed on the packet.

  • neighbor table
  • routing table
  • flow table
  • ARP table
  • meter table

Explanation: A flow table matches incoming packets to a particular flow and specifies the functions that are to be performed on the packet.

2. This is a table that triggers a variety of performance-related actions on a flow including the ability to rate-limit the traffic.

  • neighbor table
  • routing table
  • flow table
  • ARP table
  • meter table

Explanation: A meter table is used to trigger a variety of performance-related actions on a flow including the ability to rate-limit the traffic.

3. This type of SDN, a centralized location is responsible for managing devices throughout the network.

  • device-based SDN
  • controller-based SDN
  • policy-based SDN

Explanation: Controller-based SDN uses a centralized location to manage devices throughout the network.

4. In this type of SDN, the devices are programmable by applications running on the device itself or on a server in the network.

  • device-based SDN
  • controller-based SDN
  • Policy-based SDN

Explanation: In device-based SDN, the devices are programmable by applications running on the device itself or on a server in the network.

5. This type of SDN uses built-in applications that automate advanced configuration tasks via a guided workflow and user-friendly GUI. No programming skills are required.

  • device-based SDN
  • controller-based SDN
  • policy-based SDN

Explanation: Policy-based SDN uses built-in applications that automate advanced configuration tasks via a guided workflow and user-friendly GUI. No programming skills are required.

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