先試後買

A. ManageOne OC usually needs to deploy eSight in each data center to handle local operation and maintenance operations, configuration, and monitoring data collection.

B. The deployment of ManageOne OC relies on the deployment of ManageOne SC, which must be planned and deployed in a package.

C. Deploy the unified operation and maintenance management system (OC) at the central node to connect the cloud resource monitoring information and the non-cloud resource monitoring information of each data center to the eSight.

D. ManageOne OC does not affect the value of the actual work without the eSight docking.

A. False

B. True

A. Big data requires big pipes

B. Cloud data center requires the device to fully support forwarding control separation

C. Business innovation requires network agility

D. Diversification requires an open network

A. SC : VPC<->OpenStackt : Project

B. SC : VDC<->OpenStackt : Domain

C. SC : vRouter<->OpenStackt : Project

D. SC : Organization<->OpenStack : Domain

A. BCManager Backup Proxy

B. Cinder Driver

C. Backup Driver

D. Cinder API

A. Support both network virtualization and cloud network integration scenarios

B. Multiple DC calculations and networks are unified resource pools

C. The networking architecture of multiple DCs can be different.

D. Multiple DCs are end-to-end VXLAN domains

A. When an intermediate network heartbeat link fails, Oracle RAC arbitrates to ensure that a subcluster wins.

B. Oracle RAC is the most typical and widely used Active-Standby cluster.

C. Oracle Extended RAC cluster coordinate with Oracle listener technology, can achieve client service AA access and load balancing between data centers.

D. Oracle Transparent Application Failover (TAF) technology, when a server or single data center fails, enables clients to continue working on new connections, preventing business disruptions.

A. The VDC is a resource unit, the VDC supports cross-POD deployment, and the tenant uses the VDC as the granularity for resource lease.

B. VPC is a business unit, and VPC supports cross-POD deployment.

C. POD is a physical unit. For example, a fabric network can be considered as a POD.

D. The VM is a virtual machine and the VM supports deployment across VPCs.

A. eReplication is responsible for disaster recovery management and is deployed in the main center.

B. VRM management cluster is required in cloud data center scenario.

C. ManageOne (SC) provides VM disaster recovery application and issuance, active/standby deployment mode, and database replication for local HA and disaster recovery.

D. Two data centers deploy two independent cloud platforms, share Keystone for authentication, and Keystone active and standby disaster recovery.

A. Cloud hard drive

B. Cloud host

C. EIP

D. Cloud business

A. When multi-tenant shares cluster resources, for management reasons, port isolation and Layer 3 isolation do not need to be deployed at the same time.

B. Each tenant enjoys exclusive cluster resources for physical network isolation.

C. When multi-tenant shares cluster resources, VPN isolation can be used as needed in the data center Layer 3 network.

D. When a multi-tenant shares cluster resources, the virtualized network uses VLANs for Layer 2 isolation.