Which actions should be taken in a load balanced cluster in order to protect the load balancer against outages?

• A.Two load balancers should be deployed as a failover cluster.
• B.Load balancers are used for performance and scalability reasons only and cannot be used to archive high availability clusters.
• C.Two or more load balancers should be deployed as a cascade that passes packets from one to the other.
• D.Load balancers cannot be protected against outages which is why they should always be built on dedicated hardware.
• E.No actions are necessary as a load balancer cannot become a single point of failure.

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What is the purpose of an LVM snapshot?

• A.To allocate a portion of a physical volume for future use.
• B.To increase the size of a logical volume dynamically.
• C.To create a backup copy of a logical volume.
• D.To capture the current state of a logical volume for later reference.

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What is the purpose of a resource rule in Pacemaker?

• A.Configuring resource templates
• B.Setting resource order
• C.Controlling resource location
• D.Managing node health

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How can you scale up a Ceph cluster?

• A.By adjusting the CRUSH map to include more placement groups.
• B.By configuring additional MDS instances for improved file system performance.
• C.By increasing the number of OSDs to expand storage capacity.
• D.By adding additional MGR instances for better cluster management.

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When using the gatewaying/direct routing forwarding method of Linux Virtual Server (LVS), which of the following statements is true?

• A.The link layer addresses of all backend servers must be included in the LVS configuration.
• B.The default route of all backend servers must point to the LVS host.
• C.On the backend servers, all packets appear to originate from the IP address of the LVS host.
• D.When using gatewaying/direct routing, only the round robin algorithm is available.
• E.Every backend server must accept packets addressed to the IP address of the virtual service.

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