D-AX-DY-A-00 시험 - DELL EMC실제시험문제와 답 - 67문항

Question No : 1

Network Load Balancing for Cluster Services (Single-Choice)
Which approach optimally balances network traffic for critical cluster services in a Dell APEX Cloud Platform environment?

A.Configuring dynamic load balancing across multiple NICs or vSwitches, ensuring no single link becomes a bottleneck
B.Directing all traffic through a single default gateway to unify routing paths
C.Enabling static port channeling on half the NICs and leaving the rest disconnected
D.Using only the DNS Round Robin feature for distributing traffic among nodes

정답:
Explanation:
Dynamic load balancing helps distribute traffic evenly across available links, enhancing performance and resiliency. Static port channeling and funneling all traffic through a single interface can create congestion or single points of failure, while DNS Round Robin alone may not address traffic spikes.

Question No : 2

Node Hardware Validation (Multiple-Choice)
Question (Select two correct answers):
Before officially placing new Dell APEX Cloud Platform nodes into production, which hardware validation tasks are crucial?

A.Confirming that each node’s power supplies, fans, and temperature sensors report healthy statuses through Dell monitoring tools
B.Overclocking CPUs to their maximum frequency for faster VM performance
C.Running memory diagnostics to rule out DIMM errors or mismatches
D.Removing extra NICs to minimize potential failover paths

정답:
Explanation:
Ensuring hardware components (PSUs, fans, temperatures) are in good condition and verifying DIMM stability are vital for a reliable cluster. Overclocking can reduce node stability, and removing NICs reduces redundancy.

Question No : 3

Network Segmentation and VLAN Best Practices (Single-Choice)
Which statement best describes a recommended practice for VLAN segmentation within a Dell APEX Cloud Platform for Microsoft Azure environment?

A.Place all traffic (management, storage, compute) in a single VLAN for simplicity
B.Use a dedicated VLAN for cluster heartbeat and storage replication, distinct from the public-facing network traffic
C.Disable VLAN tagging at the switch level and rely on Windows NIC teaming for all segmentation
D.Configure each node with different VLAN IDs to balance traffic across subnets

정답:
Explanation:
Separating cluster heartbeat, replication, and public-facing traffic into dedicated VLANs helps prevent congestion and improves both security and performance. Consolidating all traffic in one VLAN or relying solely on NIC teaming can introduce bottlenecks and security risks.

Question No : 4

Advanced Domain Trust Issues (Multiple-Choice)
Question (Select two correct answers):
During deployment, you notice trust relationship issues between the newly joined Dell APEX Cloud Platform cluster nodes and the domain controllers.
Which steps best help diagnose or fix these domain trust problems?

A.Reviewing Windows Event Logs (Security and System) on both cluster nodes and domain controllers for Kerberos or NTLM errors
B.Resetting the domain functional level to Windows NT 4.0
C.Temporarily assigning the cluster nodes to a workgroup, then rejoining the domain with a fresh computer account
D.Deleting and recreating the relevant computer objects in Active Directory, ensuring correct organizational units (OU) are in use

정답:
Explanation:
Checking for Kerberos or NTLM errors in event logs and recreating problematic computer objects in Active Directory often resolves trust relationship issues. Reverting to an obsolete domain functional level (NT 4.0) undermines modern security features, and switching to a workgroup can disrupt the entire deployment.

Question No : 5

Deployment Workflow Efficiency (Single-Choice)
You are optimizing the deployment workflow for a large Dell APEX Cloud Platform environment.
Which method most effectively reduces human errors and accelerates the initial setup phase?

A.Relying on manually typed PowerShell commands for all node configurations
B.Using automated playbooks or scripts that centralize repetitive tasks like IP assignment, domain join, and firmware checks
C.Configuring each node independently via a dedicated KVM (keyboard/video/mouse) station
D.Delaying all prerequisite checks until after the cluster is formed

정답:
Explanation:
Automated playbooks or scripts help ensure consistent, repeatable deployment steps while reducing the chance of typographical or configuration errors that often occur during manual setups.

Question No : 6

Final Handover and Documentation (Single-Choice)
You are finalizing the handover of a fully deployed Dell APEX Cloud Platform for Microsoft Azure.
Which handover deliverable ensures the customer can manage daily operations efficiently?

A.A short email with admin credentials and no further details
B.A step-by-step operational guide for system monitoring, maintenance tasks, patching schedules, and escalation procedures
C.A single PDF listing hardware serial numbers, without describing failover processes
D.A domain GPO that forces logs to purge every 24 hours

정답:
Explanation:
A thorough operational guide promotes efficient management, detailing how to monitor, maintain, patch, and troubleshoot the environment. Merely listing credentials, hardware IDs, or frequently purging logs provides inadequate long-term support.

Question No : 7

Post-Deployment Compliance (Multiple-Choice)
Question (Select two correct answers):
Your organization requires continuous compliance checks (e.g., CIS Benchmarks) on the Dell APEX Cloud Platform.
Which actions support this requirement?

A.Automating scanning tools that regularly review node configurations against established security baselines
B.Using only manual spot checks once per year, relying on user feedback for any drift from baseline
C.Deploying compliance scripts that verify Windows OS policies, Azure Stack HCI settings, and firmware versions against internal or industry standards
D.Disabling all local policies to allow domain-level GPOs to handle everything

정답:
Explanation:
Automated scanning and compliance scripts help you systematically detect deviations from security and configuration standards. Relying on infrequent manual checks or removing all local policy controls can leave the platform noncompliant and vulnerable.

Question No : 8

MC Node Scalability (Single-Choice)
A large customer environment requires scaling out compute resources rapidly.
Which Dell APEX Cloud Platform design element best addresses this need without impacting existing management functionality?

A.Adding more MC nodes configured primarily for compute workloads, while preserving management node roles on existing nodes
B.Consolidating all MC and management services on a single node for ease of administration
C.Disabling Hyper-V to dedicate all node resources to cluster orchestration
D.Migrating to a smaller node form factor with fewer CPU cores to reduce overhead

정답:
Explanation:
Expanding MC nodes for extra compute capacity meets growing workloads without disrupting existing management roles. Over-consolidating or disabling Hyper-V and switching to smaller nodes hamper scalability and cluster performance.

Question No : 9

Disaster Recovery Integration (Multiple-Choice)
Question (Select two correct answers):
You want to integrate disaster recovery (DR) measures for workloads running on the Dell APEX Cloud Platform.
Which strategies enhance resilience?

A.Replicating entire VMs or storage volumes to another Azure Stack HCI cluster in a different site or region
B.Using a single domain controller for both production and DR sites to centralize authentication
C.Implementing Microsoft Azure Site Recovery (ASR) or a third-party replication solution to automate failover
D.Disabling the cluster in the DR site until a disaster occurs, to reduce resource usage

정답:
Explanation:
Replicating VMs to a secondary cluster in a different site ensures resilience, and ASR or third-party tools automate and orchestrate DR processes. Single domain controllers and disabled clusters undermine redundancy and immediate failover capability.

Question No : 10

Troubleshooting Cluster Communication (Single-Choice)
Despite a successful initial deployment, cluster nodes intermittently fail to communicate with each other.
What is the most direct first step in diagnosing the problem?

A.Reformatting the cluster disks and reinitializing Storage Spaces
B.Running a connectivity test (ping or Test-Cluster cmdlet) from each node to verify link status and logging results for further analysis
C.Removing the domain controller from the network to test a standalone environment
D.Stopping all cluster services and disabling them to reduce noise

정답:
Explanation:
Using native tools like ping or Test-Cluster helps determine if connectivity issues exist and collects critical details for further troubleshooting. Reformatting storage, removing the domain controller, or disabling cluster services would disrupt normal operations without isolating basic network issues.

Question No : 11

Hyper-V Cluster Settings (Multiple-Choice)
Question (Select three correct answers):
When configuring Hyper-V in your Dell APEX Cloud Platform cluster for high availability, which actions are recommended?

A.Enabling Dynamic Memory for critical production VMs to accommodate variable workload demands
B.Binding each VM to a single physical NIC to avoid potential failovers
C.Activating Nested Virtualization on every workload for better performance
D.Configuring virtual switches for trunking or VLAN tagging to segregate network traffic
E.Employing Live Migration settings to allow zero-downtime VM relocation between nodes

정답:
Explanation:
Dynamic Memory supports flexible resource usage, trunking or VLAN tagging promotes network isolation, and Live Migration ensures seamless workload transfer during maintenance or node failures. Binding VMs to a single physical NIC or universally enabling nested virtualization can lead to bottlenecks or unnecessary complexity.

Question No : 12

Certificate Management (Multiple-Choice)
Question (Select two correct answers):
Certificate-based communication is required for certain management features in the Dell APEX Cloud Platform environment.
Which best practices help you manage certificates effectively?

A.Automating certificate requests and renewals through a trusted internal Certificate Authority
B.Deploying self-signed certificates on production nodes to save costs
C.Storing private keys unencrypted on a shared file system for easy administrator access
D.Validating certificate expiry dates and automating notifications before renewal deadlines

정답:
Explanation:
Automating certificate operations and checking expiry dates preserve secure, uninterrupted communications. Self-signed certificates are discouraged in production for security and trust reasons, and storing private keys unencrypted violates best security practices.

Question No : 13

Storage Pool Optimization (Single-Choice)
Which technique ensures optimal performance and fault tolerance when configuring storage pools on the Dell APEX Cloud Platform with Azure Stack HCI?

A.Using only a single disk for the entire cluster to reduce complexity
B.Creating multiple storage tiers that leverage both SSD and HDD, and enabling Storage Spaces Direct for redundancy
C.Partitioning all SSD disks into small logical volumes to isolate workloads at the node level
D.Removing data deduplication to maximize raw capacity

정답:
Explanation:
Combining SSD and HDD tiers under Storage Spaces Direct provides both speed and fault tolerance. A single disk or small partitions limit capacity, performance, and resiliency, while disabling deduplication may waste valuable storage.

Question No : 14

Advanced Firewall Configuration (Multiple-Choice)
Question (Select two correct answers):
Security policies in your Dell APEX Cloud Platform environment require a tightened firewall configuration.
Which adjustments help maintain functionality while improving security?

A.Blocking all outbound traffic from management nodes to ensure no unexpected communications
B.Whitelisting required cluster ports (e.g., SMB, RPC, WinRM, Azure Stack HCI) for node-to-node traffic
C.Enabling host-based firewalls to log denied connections so you can audit suspicious events
D.Redirecting all domain controller traffic to an external IP range for better isolation

정답:
Explanation:
Whitelisting essential cluster ports ensures node connectivity, and host-based firewall logs help detect anomalies. Blocking all outbound traffic or diverting domain controller traffic can break essential cluster workflows and domain integration.

Question No : 15

Node Health Checks and Diagnostics (Single-Choice)
After configuring your Dell APEX Cloud Platform cluster, you notice sporadic CPU and memory spikes on one node.
Which action best helps isolate the cause?

A.Running a cluster-aware update on all nodes
B.Checking the node’s event logs, performance counters, and system health logs via Dell’s iDRAC or equivalent management tools
C.Applying the latest cumulative Windows update to every node immediately
D.Enabling DHCP for all management NICs to prevent IP conflicts

정답:
Explanation:
Reviewing detailed logs (event logs, performance counters, iDRAC) pinpoints hardware or configuration issues causing resource spikes. Merely patching or switching all NICs to DHCP does not directly troubleshoot the root cause.

DELL EMC D-AX-DY-A-00 시험