Which architecture does not require an explicit multicast signaling protocol, such as PIM or P2MP, to signal the multicast state hop-by-hop, but instead uses a link state protocol to advertise the multicast forwarding state?

A small organization of 20 employees is looking to deliver a network design service for modernizing customer networks to support advanced solutions.
Project scope and weekly progress should be visualized by the management.
Always consider feedback and make changes accordingly during the project.
Should consider flexibility to change scope at the point of time.
Which project methodology meets the requirements and have the least impact on the outcome?

Company XYZ has two routing domains (EIGRP and OSPF). They want full reachability and need OSPF to see link costs added to external routes. How must redistribution be designed?

Sometimes SDN leverages various overlay networking technologies to create layer(s) of network abstraction. What describes an overlay network?

The cloud like the Internet is a massive network of independent resources that are designed to be fault tolerant Software components that run in the cloud have no dependencies on the underlying infrastructure which may fail at any time Which two constraints of REST are important when building cloud-based solutions'? (Choose two )