Refer to the exhibit.
This Layer 2 network is expected to add 150 VLANs over the next year, in addition to the existing 50 VLANs within the network. Which STP type will support this design requirement using the least amount of CPU resources and achieving load-balancing?

To improve the stability of the network and protect it from intrusions, you must design control plane security.
Which two features should you enable as part of this design? (Choose two.)

You need to redesign your NMS system so that it can collect information without causing adverse effects in the network, such as high CPU utilization on network devices and network instability. Which two options will minimize the impact of the trusted NMS polling your network in this situation? (Choose two.)

Which two steps can be taken by the sinkhole technique? (Choose two.)

Which two statements are design benefits of route summarization in a network? (Choose 2)