单选题A network for a two-node cluster has been planned. The network administrator has explained that the networkdoes not support gratuitous ARP. Which of the following steps will ensure that clients are able to connect tothe cluster after a failover takes place？（）AImplement heartbeating over IP aliasesBImplement persistent service IP addressesCImplement IPAT aliasing with hardware address takeover （HWAT）DImplement IPAT replacement with hardware address takeover （HWAT）
单选题
A network for a two-node cluster has been planned. The network administrator has explained that the networkdoes not support gratuitous ARP. Which of the following steps will ensure that clients are able to connect tothe cluster after a failover takes place？（）
A
Implement heartbeating over IP aliases
B
Implement persistent service IP addresses
C
Implement IPAT aliasing with hardware address takeover （HWAT）
D
Implement IPAT replacement with hardware address takeover （HWAT）
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