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Associate Cloud Computing Ultimate
Exam
Question 1.Which of the following best describes the primary benefit of Hyper-Converged Infrastructure (HCI) over traditional three-tier architecture? A) Higher latency between compute and storage B) Separate management consoles for compute, storage, and networking C) Integrated, software-defined resources managed from a single pane D) Requirement for dedicated storage arrays Answer: C Explanation: HCI consolidates compute, storage, and networking into a unified, software-defined platform that is administered through a single management interface, reducing complexity and latency.
Question 2.In a Sangfor HCI deployment, the component responsible for abstracting physical disks into a shared pool is called: A) aNET B) aSV C) aSAN D) aVM Answer: C Explanation: aSAN is Sangfor’s Software-Defined Storage layer that virtualizes physical disks into a distributed storage pool.
Associate Cloud Computing Ultimate
Exam
Question 3.Which cloud service model delivers a complete development and runtime environment to the consumer? A) IaaS B) PaaS C) SaaS D) DaaS Answer: B Explanation: Platform-as-a-Service (PaaS) provides the underlying infrastructure plus development tools, runtime, and middleware.
Question 4.In the context of Sangfor HCI, which deployment type combines on-premises resources with public-cloud resources? A) Private cloud B) Public cloud C) Hybrid cloud D) Community cloud Answer: C Explanation: A hybrid cloud integrates private (on-premises) infrastructure with public cloud services for flexibility and scalability.
Associate Cloud Computing Ultimate
Exam
Question 7.Which hypervisor type runs directly on hardware without a host operating system? A) Type 1 B) Type 2 C) Type 3 D) Type 0 Answer: A Explanation: Type 1 hypervisors, also called bare-metal hypervisors, are installed directly on the physical server.
Question 8.In Sangfor’s aSV hypervisor, the technology that improves memory access performance by allocating large contiguous memory pages is called: A) NUMA B) Transparent Page Sharing C) HugePages D) Memory Ballooning Answer: C Explanation: HugePages allocate larger memory pages, reducing page-table overhead and improving VM memory performance.
Associate Cloud Computing Ultimate
Exam
Question 9.What does NUMA stand for, and why is it relevant in virtualized environments? A) Non-Uniform Memory Access; it affects memory latency based on CPU-to-memory proximity B) Network-Unified Management Architecture; it centralizes network policies C) New-User Management API; it simplifies VM provisioning D) None of the above Answer: A Explanation: NUMA describes architectures where memory latency varies with the CPU that accesses it, influencing VM placement for optimal performance.
Question 10.The purpose of VMtools (or equivalent guest agents) in a virtual machine is to: A) Replace the hypervisor kernel B) Provide time synchronization, graceful shutdown, and enhanced I/O performance C) Encrypt the VM disk automatically D) Convert the VM to a physical server Answer: B Explanation: Guest agents like VMtools enable features such as time sync, quiesced snapshots, and optimized network/storage I/O.
Associate Cloud Computing Ultimate
Exam
Question 13.Distributed Resource Scheduling (DRS) in a Sangfor cluster primarily provides: A) Automatic VM migration to balance CPU and memory loads across hosts B) Manual placement of VMs only during initial provisioning C) Encryption of VM traffic between hosts D) License management for the cluster Answer: A Explanation: DRS continuously monitors host resource utilization and triggers VM migrations (vMotion) to maintain balanced workloads.
Question 14.The three-replica data protection scheme in aSAN ensures data durability by: A) Storing three copies of each data block on distinct physical disks within the cluster B) Replicating data to three external cloud providers C) Creating three snapshots per VM D) Using triple-encryption keys Answer: A Explanation: aSAN’s three-replica model writes each block to three separate disks, protecting against single-disk failures.
Associate Cloud Computing Ultimate
Exam
Question 15.What type of storage service does aSAN provide for presenting block devices to VMs over the network? A) NFS file storage B) iSCSI virtual storage C) SMB/CIFS share D) Object storage Answer: B Explanation: aSAN offers iSCSI virtual storage, allowing VMs to attach block devices over the network.
Question 16.A VM snapshot in Sangfor HCI captures: A) Only the VM’s CPU state B) The VM’s current disk state, memory, and power state at the moment of capture C) Only the VM’s network configuration D) The host’s hypervisor configuration Answer: B Explanation: A snapshot records the VM’s disk contents, memory, and power state, enabling point-in-time recovery.
Associate Cloud Computing Ultimate
Exam
Question 19.Which feature of aNET allows separation of traffic for different tenants within the same physical infrastructure? A) VLAN tagging on port groups B) IP address translation only C) Physical NIC bonding D) Disk RAID levels Answer: A Explanation: VLAN tagging on virtual port groups isolates tenant traffic, providing logical separation on shared hardware.
Question 20.Network Functions Virtualization (NFV) on Sangfor HCI enables: A) Running traditional hardware firewalls only B) Deploying virtualized network services such as firewalls, load balancers, and IDS as software instances C) Converting storage to network bandwidth D) None of the above Answer: B Explanation: NFV abstracts network functions into virtual appliances that run on the same HCI infrastructure.
Associate Cloud Computing Ultimate
Exam
Question 21.To connect a virtual network to a physical LAN, which component must be configured? A) Virtual Machine BIOS B) Physical NIC uplink on the virtual switch (vSwitch) C) Guest OS firewall only D) Storage I/O controller Answer: B Explanation: Mapping a physical NIC as an uplink on the vSwitch bridges virtual traffic to the external physical network.
Question 22.The first step in deploying a Sangfor HCI cluster is: A) Installing the guest OS on each VM B) Updating firmware on each node and performing the initial node configuration wizard C) Creating a public cloud account D) Configuring DNS records only Answer: B Explanation: Firmware installation and initial node configuration are prerequisites before forming the cluster.
Associate Cloud Computing Ultimate
Exam
Question 25.What operation allows moving a VM’s virtual disks from one datastore to another without downtime? A) Cold migration B) Live storage migration (vMotion with storage) C) Snapshot rollback D) Host shutdown Answer: B Explanation: Live storage migration moves VM disks between datastores while the VM remains powered on.
Question 26.In routine node maintenance, the recommended sequence to temporarily remove a node from service is: A) Power off the node, then delete it from the cluster B) Place the node in Maintenance Mode, then gracefully shut down the host OS C) Immediately reboot the node without warning D) Disable all networking on the node Answer: B Explanation: Maintenance Mode drains workloads and ensures HA services are not disrupted before the node is shut down.
Associate Cloud Computing Ultimate
Exam
Question 27.A Sangfor HCI alarm indicating “Disk Sub-Health” typically triggers which automated action? A) Automatic disk replacement via hot-swap if supported B) Immediate cluster shutdown C) Deletion of all VMs on the affected node D) Disabling the entire network Answer: A Explanation: The platform can automatically mark a failing disk as “degraded” and, if hot-swap is enabled, replace it without manual intervention.
Question 28.Which log file is most useful for diagnosing hypervisor-level VM boot failures in Sangfor HCI? A) /var/log/vmware/vmkernel.log B) /var/log/aSV/boot.log C) /var/log/syslog only D) /var/log/aNET/traffic.log Answer: B Explanation: The aSV boot log records hypervisor events related to VM power-on processes and failures.
Associate Cloud Computing Ultimate
Exam
Question 31.Which of the following is a mandatory step when adding a new node to an existing Sangfor HCI cluster? A) Re-install the hypervisor on all existing nodes B) Ensure the new node’s firmware version matches the cluster’s baseline C) Delete all existing VMs D) Disable HA on the cluster Answer: B Explanation: Firmware consistency across nodes prevents incompatibility and ensures stable cluster operation.
Question 32.The default network isolation method employed by aNET to separate tenant traffic is: A) MAC address filtering only B) VLAN tagging combined with port groups C) IPsec tunneling exclusively D) Physical cable segregation Answer: B Explanation: VLANs and port groups provide logical segmentation of traffic for each tenant.
Associate Cloud Computing Ultimate
Exam
Question 33.What does the term “software-defined storage” (SDS) imply in the context of aSAN? A) Storage hardware is fixed and cannot be changed B) Storage functionality is abstracted from physical disks and delivered via software policies C) Only cloud-based storage can be used D) Storage is controlled by the operating system only Answer: B Explanation: SDS decouples storage services from hardware, allowing flexible provisioning and policy-driven management.
Question 34.Which of the following actions will NOT trigger a VM snapshot in Sangfor HCI? A) Manually initiating a snapshot via the UI B) Enabling Continuous Data Protection (CDP) C) Powering off the VM D) Scheduling an automated snapshot policy Answer: C Explanation: Powering off a VM does not automatically create a snapshot; snapshots must be explicitly requested.
Associate Cloud Computing Ultimate
Exam
Question 37.What is the effect of enabling “CPU overcommit” in a Sangfor HCI cluster? A) Prevents any VM from exceeding its allocated vCPU count B) Allows the total allocated vCPUs to exceed the physical core count, relying on idle periods for performance C) Locks each VM to a physical core permanently D) Disables DRS Answer: B Explanation: Overcommitment permits allocating more virtual CPUs than physical cores, assuming not all VMs will fully utilize CPU simultaneously.
Question 38.The “vMotion” feature in Sangfor HCI primarily provides: A) Live migration of a running VM’s memory and CPU state between hosts with no downtime B) Snapshot creation only C) Automatic backup to external cloud storage D) Conversion of VM to a physical server Answer: A Explanation: vMotion moves active VMs across hosts while preserving state, enabling load balancing and maintenance without interruption.
Associate Cloud Computing Ultimate
Exam
Question 39.Which of the following best describes the purpose of “Distributed Switch” in aNET? A) To provide a single logical switch that spans multiple physical hosts, simplifying network configuration B) To replace the hypervisor entirely C) To store VM snapshots D) To manage storage replication Answer: A Explanation: A distributed switch offers a unified virtual switch configuration across all cluster hosts.
Question 40.In Sangfor HCI, the “aSAN thin provisioning” feature allows: A) Allocating the full size of a virtual disk upfront on physical storage B) Reserving only the actual used space, letting the virtual disk grow as data is added C) Disabling all data redundancy D) Converting block storage to object storage Answer: B Explanation: Thin provisioning creates virtual disks that consume physical space only as data is written, improving storage efficiency.
