D-PSC-MN-23 無料問題集「EMC Dell PowerScale Maintenance 2023」

（A）Warning event

（B）On and healthy

（C）Not functioning

（D）Cold and redundant

（A）Cluster nodes connect to spine switches, which communicate with each other via leaf switches

（B）All leaf switches are interconnected

（C）All spine switches are interconnected

（D）Cluster nodes connect to leaf switches, which communicate with each other via spine switches

（A）Isolate the node being upgraded from the network

（B）Implement rolling upgrades across the cluster

（C）Use data mirroring to an external backup cluster

（D）Synchronize all nodes before starting the upgrade

（A）Validating the compatibility of the FRU with the node

（B）Assigning a static IP address to the FRU

（C）Configuring network settings

（D）Creating a backup of the node's configuration

（A）OneFS command line

（B）Serial console

（C）Web administration interface

（D）Platform application interface

（A）1. Secure the lift casters on the floor.
2. Slide the first few inches of the back of the chassis onto the supporting ledge of the rails.
3. Release the lift casters and carefully slide the chassis into the cabinet as far as the lift allows.
4. Push the node off the lift arms and into the rack.
5. Install two mounting screws at the top and bottom of each rail to secure the chassis to the rack.

（B）1. Push the node off the lift arms and into the rack.
2. Release the lift casters and carefully slide the chassis into the cabinet as far as the lift allows.
3. Install two mounting screws at the top and bottom of each rail to secure the chassis to the rack.
4. Slide the first few inches of the back of the chassis onto the supporting ledge of the rails.
5. Secure the lift casters on the floor.

（C）1. Release the lift casters and carefully slide the chassis into the cabinet as far as the lift allows.
2. Push the node off the lift arms and into the rack.
3. Install two mounting screws at the top and bottom of each rail to secure the chassis to the rack.
4. Slide the first few inches of the back of the chassis onto the supporting ledge of the rails.
5. Secure the lift casters on the floor.

（D）1. Install two mounting screws at the top and bottom of each rail to secure the chassis to the rack.
2. Release the lift casters and carefully slide the chassis into the cabinet as far as the lift allows.
3. Secure the lift casters on the floor.
4. Slide the first few inches of the back of the chassis onto the supporting ledge of the rails.
5. Push the node off the lift arms and into the rack.

（A）By ensuring that the HDFS protocol is correctly configured on all nodes

（B）By installing the Hadoop software on each node individually

（C）By configuring the firewall to allow Hadoop-related traffic

（D）By creating separate storage pools for Hadoop and non-Hadoop data

（A）Same node series, same number of HDDs, same HDD and SSD layout

（B）Same node series, same amount of memory installed, and same back-end NIC port speed

（C）Same OneFS version above 9.0, same back-end NIC port speed, same SED, and SSD security settings

（D）Same number of HDDs, same node model, same OneFS version above 9.0

（A）Increased risk of data corruption

（B）Reduced data transfer speeds

（C）Loss of cluster quorum

（D）Inability to perform node maintenance

（A）An external device that enhances the node's capabilities

（B）A component that can be replaced without sending the entire unit for repair

（C）A software module that can be updated independently

（D）A node that can be swapped with another in the cluster without downtime