单选题A customer has a requirement to build a 4 node cluster. Disk heartbeating will be used as the non-IP network.What is the maximum number of disk heartbeat point-to-point links one would need to implement in order toachieve the highest level of availability?()A4B6C8D12

单选题
A customer has a requirement to build a 4 node cluster. Disk heartbeating will be used as the non-IP network.What is the maximum number of disk heartbeat point-to-point links one would need to implement in order toachieve the highest level of availability?()
A

4

B

6

C

8

D

12


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单选题During normal cluster processing in a five-node cluster,one of the nodes unexpectedly crashes. A review of the system dump indicates that a DMS timeout has occurred. The cluster is configured to use disk heartbeats as a Point-to-Point network.  What should be done to address the problem with this configuration?()A More disk should be added to the disk heartbeat network,allowing more paths for heartbeats.B An RS232 network is required to supply a more robust non-IP network when disk heartbeating is implemented.C The network tunable parameters should be changed to allow more missed heartbeats since the disks may be heavily used.D An error notification method is required to determine the action to take in response to a failure of the disk heartbeat.

单选题Company.com has decided to implement VPN for all network traffic. How might this might affect HACMP?()A Only the heartbeat IP network can exist in a VPN style network.B HACMp must have separate VPN’s for all ’non-service’ and ’service’ adapter networks.C If a VPN is used for IP traffic the heartbeating must be done over disk connections.D HACMP can exist in a VPN network environment,but special considerations must be addressed.