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Implementation Storage Exam
Question 1. Which hardware component is primarily responsible for unifying compute resources in a Vblock system? A) Cisco Nexus switches B) EMC PowerMax storage array C) Cisco UCS Fabric Interconnects D) VMware vCenter Server Answer: C Explanation: Cisco UCS Fabric Interconnects provide centralized management and connectivity for compute resources, integrating servers and fabric components within a Vblock system. Question 2. What is the main function of Cisco Nexus switches in a Vblock deployment? A) Storage virtualization B) Network switching and segmentation C) Server provisioning D) Hypervisor management Answer: B
Implementation Storage Exam
Explanation: Cisco Nexus switches facilitate network connectivity, segmentation, and VLAN management, forming the backbone of the network layer in a Vblock system. Question 3. Which storage array feature supports thin provisioning in a Vblock environment? A) RAID 5 configuration B) Storage virtualization via logical volume management C) Zoning in Fibre Channel SAN D) LUN masking Answer: B Explanation: Storage virtualization allows thin provisioning by creating logical volumes that consume physical space only when data is written, optimizing storage utilization. Question 4. Which protocol is commonly used for block-level storage in Vblock systems? A) NFS B) CIFS/SMB C) Fibre Channel (FC)
Implementation Storage Exam
C) NFS
D) SMB
Answer: B Explanation: FCoE (Fibre Channel over Ethernet) encapsulates Fibre Channel frames over Ethernet networks, allowing unified network and storage infrastructure. Question 7. Which component manages the virtualized storage environment within a Vblock system? A) UCS Manager B) vCenter Server C) Storage array management interface D) Cisco Nexus switch CLI Answer: C Explanation: The storage array management interface provides control over storage provisioning, configuration, and monitoring within the Vblock. Question 8. What is the primary purpose of zoning in Fibre Channel SANs?
Implementation Storage Exam
A) To improve network security and isolate storage traffic B) To increase bandwidth for all devices C) To segment compute resources from storage D) To enable VM migration Answer: A Explanation: Zoning isolates storage traffic, enhances security, and ensures that only authorized devices communicate within specific zones. Question 9. Which protocol is used for file sharing in NAS storage? A) iSCSI B) FCoE C) NFS D) FC Answer: C Explanation: NFS (Network File System) enables file-level access over a network, commonly used in NAS storage environments.
Implementation Storage Exam
Question 12. Which storage performance metric indicates the number of read/write operations the storage system can handle per second? A) Latency B) IOPS C) Throughput D) Bandwidth Answer: B Explanation: IOPS (Input/Output Operations Per Second) measures the volume of read/write operations a storage system can process, indicating performance. Question 13. Which VMware feature allows direct access to raw storage devices in a Vblock environment? A) VMFS B) vVols C) Raw Device Mapping (RDM) D) Storage vMotion Answer: C
Implementation Storage Exam
Explanation: RDM allows virtual machines to access raw LUNs directly, facilitating advanced storage features and performance tuning. Question 14. During storage provisioning, what is a key consideration for workload performance? A) Number of network switches B) Storage array firmware version C) IOPS and latency requirements D) Number of virtual switches Answer: C Explanation: Understanding IOPS and latency needs ensures storage is provisioned to meet workload performance demands. Question 15. Which management tool is typically used to configure and monitor VMware storage in a Vblock system? A) Cisco UCS Manager B) vCenter Server C) EMC Unisphere
Implementation Storage Exam
C) Log analysis D) Storage capacity review Answer: C Explanation: Analyzing logs from storage arrays helps identify hardware faults, misconfigurations, or error conditions causing issues. Question 18. Which software component facilitates the initial configuration and ongoing management of UCS servers? A) vCenter Server B) UCS Manager C) EMC Unisphere D) Cisco Nexus CLI Answer: B Explanation: UCS Manager provides centralized control over UCS blade and rack servers, including firmware and policy management. Question 19. Which of the following is a best practice for storage performance optimization in a virtualized Vblock environment? A) Use the highest RAID level available
Implementation Storage Exam
B) Allocate maximum storage capacity upfront C) Enable storage QoS policies D) Decrease network bandwidth to storage Answer: C Explanation: Storage QoS policies help ensure consistent performance by controlling IOPS and latency for different workloads. Question 20. What is the primary purpose of snapshot technology in Vblock storage management? A) To increase storage capacity B) To create point-in-time copies of data for backup or testing C) To migrate data between arrays D) To optimize storage performance Answer: B Explanation: Snapshots provide quick, consistent point-in-time copies of data, facilitating backups, restores, or testing. Question 21. Which is a typical step in pre-deployment planning for storage in a Vblock system?
Implementation Storage Exam
Question 23. Which upgrade should be performed first in a storage environment during a Vblock maintenance window? A) Network firmware upgrade B) Storage array firmware and software upgrade C) UCS firmware upgrade D) VMware vSphere upgrade Answer: B Explanation: Upgrading storage array firmware/software first ensures storage stability and compatibility before updating other layers. Question 24. When performing a storage health check, which metric indicates potential performance degradation? A) High latency B) Low IOPS C) Excessive throughput D) All of the above Answer: D Explanation: High latency, low IOPS, or abnormal throughput can signal storage performance issues requiring attention.
Implementation Storage Exam
Question 25. What is the purpose of storage tiering in Vblock storage arrays? A) To increase network throughput B) To allocate storage based on data importance and performance needs C) To segment network traffic D) To automate VM migration Answer: B Explanation: Storage tiering automatically moves data between high- performance and lower-cost storage tiers based on access patterns. Question 26. Which component is responsible for orchestrating the deployment of Vblock systems? A) UCS Manager B) VCE Vision Intelligent Operations C) VMware vSphere D) EMC Unisphere Answer: B
Implementation Storage Exam
Answer: A Explanation: Storage virtualization consolidates multiple physical arrays, simplifies management, and optimizes capacity utilization. Question 29. Which management interface provides centralized control over NAS shares in Vblock systems? A) UCS Manager B) EMC Unisphere for NAS C) vCenter Server D) Cisco Nexus CLI Answer: B Explanation: EMC Unisphere for NAS manages NAS-specific configurations such as NFS and SMB shares within Vblock storage. Question 30. Which of the following is a typical cause of storage latency in a Vblock environment? A) Overloaded network switches B) Misconfigured zoning or LUN masking C) Insufficient cache on storage arrays
Implementation Storage Exam
D) All of the above Answer: D Explanation: Network congestion, misconfigurations, and cache limitations can all contribute to increased latency. Question 31. What is the purpose of a storage controller in a Vblock array? A) To manage network traffic B) To handle I/O processing and data management C) To provision compute resources D) To facilitate VM migrations Answer: B Explanation: Storage controllers process I/O requests, manage data pathways, and oversee data redundancy and integrity. Question 32. Which best practice enhances disaster recovery in a Vblock environment? A) Regular snapshot and replication scheduling B) Deploying multiple UCS chassis
Implementation Storage Exam
B) Cisco Nexus switches C) VMware vSphere Distributed Switch D) UCS Manager profiles Answer: A Explanation: Storage arrays equipped with RAID, snapshots, and replication enable high availability and data protection. Question 35. What is the main benefit of using vSphere vVols in Vblock storage? A) Simplified VM storage management and policy-based provisioning B) Increased network security C) Faster network connectivity D) Reduced hardware costs Answer: A Explanation: vVols enable VM-centric storage management, simplifying provisioning and policy enforcement directly at the VM level.
Implementation Storage Exam
Question 36. Which of the following best describes the role of UCS Central in Vblock deployment? A) To manage multiple UCS domains centrally B) To configure storage arrays C) To orchestrate VM deployment D) To monitor network traffic Answer: A Explanation: UCS Central provides centralized management for multiple UCS domains, streamlining large-scale deployments. Question 37. Which is an important consideration when planning storage capacity for a Vblock system? A) Future growth and workload changes B) Power supply limitations C) Number of network switches D) Server rack height Answer: A Explanation: Capacity planning must account for current and future workloads to prevent shortages and ensure scalability.
