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A cloud architect has included an SDS controller in a cloud design. Which requirement(s) will support the addition of this component to the design?
A. Monitor storage performance and manually provision storage resources
B. Provide the ability to programmatically deploy virtual storage resources
C. Switch array functionality from active/passive to active/active
D. Provide a redundant front-end for object storage
Software-defined storage (SDS) is an evolving concept for computer data storage software to manage policybased provisioning and management of data storage independent of the underlying hardware. Software-defined storage definitions typically include a form of storage virtualization to separate the storage hardware from the software that manages the storage infrastructure.
A cloud architect is designing a distributed block storage solution that will support application HA. The solution will consist of 10 nodes with all SAS devices. There are five racks available in the data center. Each rack has a single top-of-rack access layer switch with sufficient bandwidth to the aggregate layer. Each node will have multiple connections to the local top-of-rack switch. The architect wants to provide a design that has the fewest number of storage pools maximizing the number of fault domains. How should the storage pools be designed?
A. One pool with SSD nodes located in one rack.
One pool with all SAS nodes located in a different rack.
B. One pool with 50% SSD and 50% SAS nodes distributed equally across five racks.
C. One pool with SSD nodes distributed equally across five racks.
One pool with all SAS nodes distributed equally across five racks.
D. One pool with 50% SSD and 50% SAS nodes located in one rack.
One pool with 50% SSD and 50% SAS nodes located in a different rack.
In which cloud services are policy compliance typically defined in a hybrid cloud deployment?
A. Portal, catalog, and orchestration
B. Virtual networking, portal, and catalog
C. Orchestration, virtual networking, and portal
D. Catalog, orchestration, and virtual networking
Which benefits might be realized by designing a separate infrastructure pool to host network functions?
A. Reduced public IP address consumption, reduced troubleshooting time, and reduced consumer infrastructure load
B. Reduced troubleshooting time, reduced consumer infrastructure load, and enhanced security
C. Reduced troubleshooting time, enhanced security, and reduced public IP address consumption
D. Reduced consumer infrastructure load, enhanced security, and reduced public IP address consumption
After developing prototype applications in the public cloud, developers determined that they want software defined network functionality. Which ability will this requirement provide for the developers?
A. Programmatically provision an IPsec VPN tunnel between the public and private clouds
B. Programmatically migrate layer-3 access from aggregate to access switches
C. Programmatically control physical core network topologies
D. Programmatically provision physical network segments and services
Software-defined networking (SDN) is an approach to computer networking that allows network administrators to manage network services through abstraction of higher-level functionality. This is done by decoupling the system that makes decisions about where traffic is sent (the control plane) from the underlying systems that forward traffic to the selected destination (the data plane).
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