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What is the default role assigned to new users in PowerFlex if no specific higher privilege is selected (or conceptually, the basic read-only role)?
A. Read-only user
B. Monitor
C. Administrator
D. Operator
Answer: B
Explanation:
In the PowerFlex role hierarchy, the Monitor role is the standard "Read-Only" role.
* Monitor Role: Users with this role can view the dashboard, check configurations, view logs, and monitor performance. However, they cannot make any changes to the system (cannot create volumes, cannot add nodes, cannot change passwords).
* Default Context: When discussing "default" security postures or the safest role to assign to auditors or junior staff, Monitor is the correct answer. The "Administrator" has full control, and "Security" manages users. "Read-only user" is a description of the functionality, but Monitor is the specific PowerFlex terminology for the role.
NEW QUESTION # 80
What are the advantages of using PowerFlex Manager for upgrades? (Choose two).
A. Automated rollback in case of failure
B. Multi-cluster upgrade capabilities
C. Scheduled upgrades to minimize downtime
D. Real-time performance monitoring during upgrades
Answer: B,C
Explanation:
PowerFlex Manager (PFxM) serves as the automation engine for Lifecycle Management (LCM).
* Scheduled upgrades to minimize downtime (Option B): PFxM allows administrators to schedule upgrades during maintenance windows. More importantly, it orchestrates the upgrade in a non- disruptive manner (rolling upgrades), ensuring that workloads (VMs, Databases) remain online throughout the process. It handles the complex logic of placing nodes in maintenance mode, waiting for data sync, and rebooting.
* Multi-cluster upgrade capabilities (Option C): PFxM acts as a "single pane of glass" that can manage multiple PowerFlex clusters (services) across the data center. This allows for centralized version control and the ability to push compliant software (RCMs) to multiple distinct clusters from one interface.
Note: While Real-time performance monitoring (D) is a feature of PFxM, it is a daily operational benefit, not a specific advantage of the upgrade process itself.
NEW QUESTION # 81
What is the function of a Storage Pool in PowerFlex?
A. Group disks with similar performance characteristics
B. Manage snapshots and replication
C. Allocate storage resources for virtual machines
D. Monitor storage usage trends
Answer: A
Explanation:
* Group disks with similar performance characteristics (Option C): The primary architectural purpose of a Storage Pool is to aggregate physical drives that share the same performance profile (e.g.,
"All SAS SSDs" or "All NVMe").
* Performance Uniformity: PowerFlex stripes data across all disks in a pool. If you were to mix slow HDDs and fast SSDs in the same pool, the performance of the entire pool would be dragged down by the slower drives (the "straggler" effect). Therefore, pools are used to segregate media to guarantee consistent IOPS and latency for the volumes created within them.
NEW QUESTION # 82
What is the minimum bandwidth requirement for replicating volumes between PowerFlex clusters?
A. 10 Mbps
B. 100 Mbps
C. 10 Gbps
D. 1 Gbps
Answer: B
Explanation:
* 100 Mbps: While PowerFlex replication is highly efficient and only sends unique data chunks (deltas), the supported minimum reliable bandwidth for a WAN link between clusters is typically 100 Mbps.
* Reasoning: Below this speed, even moderate change rates in a production database would likely cause the replication journal to fill up faster than data can be drained to the remote site. This would lead to a
"Buffer Full" state, causing the replication to pause or the system to lose its Recovery Point Objective (RPO) compliance.
NEW QUESTION # 83
What are the considerations for configuring new Metadata Managers during cluster expansion? (Choose two).
A. Validate replication protocols between clusters
B. Assign the new nodes to an existing Fault Set
C. Ensure even distribution of metadata across nodes
D. Maintain redundancy for metadata storage
Answer: C,D
Explanation:
The Metadata Manager (MDM) cluster is the critical control plane of PowerFlex.
* Maintain redundancy for metadata storage (Option D): The MDM cluster (typically 3 or 5 nodes) must always maintain a quorum. When reconfiguring or expanding the management capabilities, you must ensure that there are enough replicas (Primary, Secondary, Tie-Breakers) to survive a node failure without bringing down the cluster management.
* Ensure even distribution (Option A): Best practice dictates that MDM roles should be distributed across different failure domains (different racks or chassis) to prevent a single physical failure (like a rack power outage) from taking down the entire MDM cluster simultaneously.
Incorrect Options: MDMs are not assigned to Fault Sets (C)-Fault Sets are for SDSs. Replication protocols (B) are relevant for data disaster recovery, not for the local cluster MDM expansion.
NEW QUESTION # 84
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