An engineer must design Layer 2 connectivity for a subnet between two data centers. The engineer must ensure seamless host mobility and optimal first-hop routing. Which attribute must be synchronized across all data centers to achieve this goal?

Which multicast rendezvous point redundancy mode is valid for Bidirectional PIM?

Which two configuration methods can be used to deploy QoS to Cisco MDS Series switches? (Choose two.)

An engineer must integrate Layer 4 to Layer 7 services within Cisco ACI Fabric. The main requirement is to have a single point of configuration for network elements and firewall policies.
Which action meets these requirements?

An engineer must design a secondary site to prevent a catastrophic primary site failure. The applications must communicate across sites via the data link layer of the OSI model. The Layer 3 transport that is available for this solution consists of 10-Gb connections over Layer 3.
Which two solutions meet these requirements? (Choose two.)