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Implementation Core Practice Exam
Question 1. What is the primary advantage of Vblock’s converged infrastructure approach? A) Increased hardware diversity B) Simplified deployment and management C) Manual firmware upgrades D) Decentralized support Answer: B Explanation: Vblock’s converged infrastructure unifies compute, storage, and network, simplifying deployment, management, and support for IT environments. Question 2. Which component provides compute resources in a Vblock System? A) Cisco Nexus Switch B) Cisco UCS C) EMC VMAX D) VMware vCenter Answer: B Explanation: Compute resources in Vblock are delivered by Cisco UCS servers, forming one pillar of the architecture. Question 3. In Vblock, which element is responsible for centralized management of compute resources? A) UCS Manager B) EMC Unisphere C) vCenter Server D) Nexus Dashboard Answer: A
Implementation Core Practice Exam
Explanation: UCS Manager provides centralized policy and resource management for Cisco UCS compute components. Question 4. Which network device is typically used for Vblock networking? A) Cisco Catalyst 2960 B) Cisco Nexus 5000/ C) Brocade SAN Switch D) EMC Data Domain Answer: B Explanation: Cisco Nexus 5000/7000 switches are core to Vblock network architecture for high performance and scalability. Question 5. Which storage array model is commonly found in Vblock Systems? A) EMC VNX B) NetApp FAS C) Dell EqualLogic D) Cisco UCS Answer: A Explanation: EMC VNX storage arrays are commonly integrated in Vblock systems for robust storage capabilities. Question 6. What protocol is mainly used for block-level storage in Vblock? A) NFS B) iSCSI C) Fiber Channel (FC)
Implementation Core Practice Exam
B) To isolate communication paths between hosts and storage C) To manage VLAN assignments D) To configure port speeds Answer: B Explanation: FC zoning restricts and isolates paths between ESXi hosts and storage, enhancing security and manageability. Question 10. What task is necessary for site readiness before Vblock installation? A) Running vMotion tests B) Validating power and cooling requirements C) Deploying VMs D) Configuring VLANs Answer: B Explanation: Proper power and cooling must be validated at the site before Vblock components are installed. Question 11. When planning Vblock deployment, why is documenting the IP address scheme important? A) For warranty registration B) For accurate network configuration and troubleshooting C) For backup scheduling D) For storage tiering Answer: B Explanation: Documenting IP addresses ensures correct network configuration and simplifies troubleshooting.
Implementation Core Practice Exam
Question 12. Which Vblock model offers the highest scalability? A) Vblock 200 B) Vblock 320 C) Vblock 700 D) Vblock 240 Answer: C Explanation: Vblock 700 is designed for larger enterprises requiring maximum scalability. Question 13. What is the role of Cisco Fabric Interconnects in Vblock? A) Storage array management B) Centralized switching for UCS servers C) Hypervisor deployment D) VLAN segmentation Answer: B Explanation: Fabric Interconnects act as the main switches for UCS servers, connecting compute to network and storage. Question 14. Which protocol is commonly used for Vblock NFS datastore connectivity? A) FC B) SMB C) NFS D) FCoE Answer: C Explanation: NFS protocol is used for IP-based datastores, allowing file-level access from ESXi hosts.
Implementation Core Practice Exam
Answer: A Explanation: FAST VP dynamically tiers data across storage pools, optimizing performance and cost. Question 18. What is the main benefit of stateless computing in Vblock (via UCS)? A) Permanent MAC addresses B) Port-based security C) Hardware abstraction and portability D) Direct disk access Answer: C Explanation: Stateless computing enables hardware abstraction, allowing service profiles to be moved across servers. Question 19. What is a critical step when provisioning storage to ESXi hosts in Vblock? A) Assigning DNS records B) Masking LUNs to host WWNs C) Configuring static routes D) Assigning hostnames Answer: B Explanation: LUN masking ensures only authorized hosts access specific storage volumes, enhancing security. Question 20. Which tool is used for initial configuration of EMC storage arrays in Vblock? A) UCS Manager B) Unisphere
Implementation Core Practice Exam
C) vCenter Web Client D) Nexus CLI Answer: B Explanation: EMC Unisphere is used to manage and configure EMC storage arrays. Question 21. What feature of Cisco Nexus switches aids in building scalable Vblock networks? A) Port Mirroring B) FabricPath C) RSTP D) EtherChannel Answer: B Explanation: FabricPath simplifies and scales Vblock network topologies by enabling Layer 2 multipathing. Question 22. Why is an interoperability matrix important in Vblock deployment? A) For disaster recovery planning B) To confirm firmware and software compatibility C) To set IP addresses D) For backup configuration Answer: B Explanation: The matrix ensures all hardware and software versions work together, preventing integration issues. Question 23. What is the benefit of pre-integrated Vblock systems?
Implementation Core Practice Exam
Question 26. What is the recommended method for cable management during Vblock installation? A) Using zip ties only B) Following standardized color codes and labeling C) No labeling needed D) Mixing copper and fiber indiscriminately Answer: B Explanation: Standardized labeling and color codes facilitate troubleshooting and future maintenance. Question 27. Which Vblock element aggregates MAC addresses, WWNs, and UUIDs? A) Service Profile templates in UCS Manager B) EMC Unisphere C) Nexus switch interface configuration D) vCenter resource pools Answer: A Explanation: UCS service profile templates manage pools for MAC addresses, WWNs, and UUIDs. Question 28. What is the purpose of vCenter Server in Vblock? A) Storage provisioning B) Centralized management of virtualization resources C) Network switch configuration D) Power distribution monitoring Answer: B Explanation: vCenter centralizes management of ESXi hosts and VMs across the Vblock.
Implementation Core Practice Exam
Question 29. What is validated during end-to-end Vblock deployment checks? A) Only network connectivity B) Storage, compute, and network integration C) Service Profile template creation D) DNS record assignment Answer: B Explanation: End-to-end checks confirm storage access, compute integration, and network connectivity. Question 30. Which Vblock practice prevents boot-from-SAN failures? A) Assigning static IPs B) Correct WWN assignment and zoning C) Increasing disk size D) Disabling boot from LAN Answer: B Explanation: Accurate WWN assignment and proper FC zoning prevent BFS failures. Question 31. What is the key function of UCS Fabric Interconnect clustering? A) Power redundancy B) Centralized management and failover C) Storage replication D) VLAN trunking Answer: B Explanation: Clustering provides central management and failover capabilities for UCS environments.
Implementation Core Practice Exam
Explanation: Segregating traffic types improves performance and security. Question 35. Which protocol is used for Vblock iSCSI storage connectivity? A) NFS B) SMB C) iSCSI D) FCoE Answer: C Explanation: iSCSI protocol enables IP-based block storage connectivity for VMware hosts. Question 36. What does VMware DRS do in Vblock environments? A) Automates VM load balancing across hosts B) Provisions storage LUNs C) Manages network switches D) Schedules firmware updates Answer: A Explanation: DRS automatically balances VM resource usage across the cluster. Question 37. How are physical servers abstracted in Vblock compute configurations? A) Using VLAN tagging B) Through UCS Service Profiles C) By assigning static IPs D) By creating LUN masks Answer: B
Implementation Core Practice Exam
Explanation: Service Profiles abstract physical servers, enabling hardware independence. Question 38. What should be validated after cabling Vblock components? A) Only power connections B) All physical connectivity between compute, network, and storage C) VM resource allocation D) UCS server firmware Answer: B Explanation: Verifying physical connections ensures reliable integration. Question 39. What is a key benefit of Vblock’s pre-tested reference architecture? A) Higher risk of integration problems B) Predictable performance and interoperability C) Unplanned firmware updates D) Manual troubleshooting required Answer: B Explanation: Pre-testing guarantees reliable, compatible performance. Question 40. Which Vblock component is responsible for mask storage LUNs to hosts? A) Cisco UCS B) EMC Storage Array C) Nexus Switch D) VMware vCenter Answer: B
Implementation Core Practice Exam
Explanation: FAST Cache leverages SSDs to accelerate frequently accessed data. Question 44. What is required for proper Vblock rack placement? A) Random distribution B) Consideration of airflow and accessibility C) No planning needed D) Overlapping cable trays Answer: B Explanation: Proper placement ensures cooling and maintenance access. Question 45. Which Vblock component uses port channels for network redundancy? A) EMC VNX B) Nexus Switches C) UCS Manager D) VMware vCenter Answer: B Explanation: Nexus switches use port channels to increase bandwidth and provide redundancy. Question 46. How is host connectivity registered on an EMC storage array in Vblock? A) By hostname B) By WWN or iSCSI IQN C) By IP address only D) By VLAN ID Answer: B
Implementation Core Practice Exam
Explanation: Hosts are registered using their WWN (FC) or IQN (iSCSI) identifiers. Question 47. What type of virtualization is used in Vblock? A) OS-level virtualization B) Hardware virtualization via VMware vSphere C) App virtualization D) Storage virtualization only Answer: B Explanation: Vblock utilizes hardware virtualization through VMware vSphere. Question 48. What does VCE deployment validation checklist ensure? A) Only IP configuration B) Compliance with Bill of Materials and integration standards C) VM creation templates D) VLAN configuration Answer: B Explanation: The checklist confirms all components match procurement and integration standards. Question 49. What is a common cause of vMotion failure in Vblock? A) Incorrect VLAN or MTU settings B) Lack of LUN masking C) UCS firmware mismatch D) Storage replication delays Answer: A
Implementation Core Practice Exam
Answer: B Explanation: FAST VP on EMC arrays enables automatic storage tiering. Question 53. What is validated during Vblock storage access tests? A) Only VLAN configuration B) ESXi hosts’ ability to access all required datastores C) UCS firmware level D) Nexus switch model Answer: B Explanation: These tests ensure hosts can see and use all necessary storage. Question 54. Which Vblock component is critical for high-performance networking? A) UCS Manager B) Nexus 7000 Series Switch C) EMC VNX D) VMware vCenter Answer: B Explanation: Nexus 7000 provides high-throughput, low-latency networking. Question 55. What should be done before powering up a Vblock system? A) Configure VLANs B) Validate site power and cooling C) Assign WWNs D) Provision VMs
Implementation Core Practice Exam
Answer: B Explanation: Ensuring adequate power and cooling prevents hardware failures. Question 56. Which feature of UCS Manager aids in rapid server deployment? A) Firmware update scheduling B) Service Profile Templates C) LUN masking D) VLAN trunking Answer: B Explanation: Templates allow fast, consistent server provisioning. Question 57. What is necessary for Vblock LUN masking? A) Assigning MAC addresses B) Associating LUNs with host WWNs or IQNs C) Setting static IPs D) Configuring port channels Answer: B Explanation: LUN masking uses WWN or IQN to restrict access to storage. Question 58. What is Vblock’s recommended practice for firmware updates? A) Random updates B) Coordinated, validated updates across all components C) Update storage only D) Ignore minor patches
