According to Hans Sauer, companies are eager to win patents for______.A．establishing disea

A. scalability, effectiveness, high availability, mobility

B. cost effectiveness, high availability, hosting multiple protocols, hosting webservers

C. QoS, multicast, cost effectiveness, redundancy

D. centralization, security, highly available, scalability

A、YARN既是资源管理调度框架，也是一个计算框架

B、HDFS HA（High Availability）是为了解决单点故障问题

C、第二名称节点是热备份

D、YARN可以实现“一个集群多个框架”，即在一个集群上部署一个统一的资源调度管理框架

3.When choosing a topic, good public speakers always consider the needs and interests of their audiences rather than their own interests and knowledge, the availability of resources, or the time and setting for the speech.

以下哪项 High Availability 功能可提供增强保护，以免连接的存储出现 APD 和 PDL 状态？()

AFault Tolerance

B虚拟机组件保护

CvSphere Replication

DvSphere Data Protection

A.Enhanced vMotion Compatibility (EVC) is enabled on the host cluster

B.vSphere High Availability (HA) is disabled on the host cluster

C.The host has entered a Network Partitioned state

D.vSphere Distributed Power Management (DPM) is enabled on the host cluster

哪一项是 vSphere High Availability 集群用于确定主机故障的新方法？()

A 集群心跳信号

B 数据存储心跳信号

C 主机心跳信号

D 网络心跳信号

A. redundant infrastructure

B. clustering of computer systems

C. reduced MTBF

D. continuous operation of computing systems