LOT-955 全真模擬試験 DEMO

問題23: David is planning to apply a service pack to the production portal cluster but does not want to interrupt
service to users, what must he do to ensure that portal remains functional during the service pack process
if he has no additional hardware resources to leverage for the upgrade process?
A.Install and create an additional Portal cluster on a new machine. Perform the service packs upgrade on
this new machine and route traffic to this machine to serve the user load. Once the new installation is
complete, remove the current cluster and machine from the network.
B.It is not possible to maintain service during a service pack application, only during minor fixes, David
must choose a time when there is not likely to be many users of the system.
C.Stop one Portal node from the cluster to perform service packs upgrade, while maintaining another
Portal node running to serve the user load. Restart the upgraded node and stop the other node to perform
service packs upgrade. Restart deployment manager once upgrade completes to synchronize changes.
D.On a node-by-node basis, remove the node from servicing requests, upgrade the node, redirect traffic
to the upgraded node and upgrade remaining nodes in the same way.
正解:D