Which security Mechanism can you implement to protect the OSPF?

A e-commerce network has many devices that often need to be upgraded on a regular basis.
What technology will ensure IP packets continue to be forwarded even during a device failover?

A network engineer must create a Layer 2 switch block design that has deterministic convergence and is loop-free at Layer 2. Which two switch block elements are
needed to meet the requirements? (Choose two.)

Which NAC design model matches the following definitions?
NAS is deployed centrally in the core or distribution layer. Users are multiple hops away from the Cisco NAS.
After authentication and posture assessment, the client traffic no longer passes through the Cisco NAS.
PBR is needed to direct the user traffic appropriately

When APIC is down on cluster device … What is the minimum number of APICs requirement for a production ACI Fabric to continue to operate?

Which two key components are related to one firewall per ISP design option for e- commerce? (Choose two.)

ACME corporation owns a single MDS. Which two SAN tools can be used to optimize the use and cost of the switching hardware? (Choose two.)

Which option is an advanced WAN services design consideration for a multipoint architecture that connects two or more customer devices using Ethernet bridging
techniques over an MPLS network?

If your enterprise is connected to 2 ISP, which method could you use to prevent being used as a transit network? (Choose Two)

When an enterprise network is designed, which protocol provides redundancy for edge devices in the event of a first-hop failure?