S2000-020 IBM Power Virtual Server v1 Specialty Practice Questions
Prepare for S2000-020 with more than an answer.
- Exam fee
- $100 USD
- Level
- Specialty
- Valid for
- Does not expire
Domains covered on the exam 7
- Overview15%
- Architecture and Technology13%
- Use Cases and Solutions for IBM Power Virtual Server11%
- Migration Strategies for IBM Power Virtual Server13%
- IBM Power Virtual Server Options11%
- Networking Options for IBM Power Virtual Server20%
- Business Continuity Planning for IBM Power Virtual Server17%
- 1
A consultant is explaining the capabilities and limitations of using PowerVC as a tool for migrating on-premises AIX LPARs to Power Virtual Server. Which statement accurately describes a key limitation of the PowerVC image capture/export method?
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Correct answer: C
A key limitation of the image capture method for migration is the required downtime. The source LPAR must be shut down before the capture begins to ensure a consistent image. The downtime persists through the capture, export, upload to COS, import into PowerVS, and final deployment, making it unsuitable for systems with stringent uptime requirements.
- 2
An architect is comparing disaster recovery solutions for a critical AIX workload on Power Virtual Server. The business requires a solution that can fail over an entire group of LPARs together and has an RPO of near zero. Which two solutions are being compared, and what is the key differentiator?
sequenceDiagram participant Primary Site participant DR Site subgraph Global Mirror (Async) Primary Site->>DR Site: Replicate Data (RPO > 0) end subgraph VM Recovery Manager DR (Sync/Async) Primary Site->>DR Site: Replicate Data (RPO >= 0) Note right of DR Site: Orchestrates failover endShow answer details
Correct answer: B
This is the correct comparison. Both solutions can use Global Mirror for the underlying asynchronous or synchronous data replication to achieve a low RPO. However, Global Mirror is just a storage replication technology. VM Recovery Manager for DR builds on top of this by adding a management and orchestration layer that can manage consistency groups, monitor replication, and automate the entire site failover and failback process, significantly reducing the RTO.
- 3
To comply with a new security mandate, an administrator must ensure that all Tier 1 storage volumes attached to their AIX instances in Power Virtual Server are encrypted with keys that the company fully controls. The company already uses IBM Key Protect as its standard key management service. What is the correct procedure to meet this requirement?
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Correct answer: B
This is the correct procedure. Power Virtual Server is integrated with IBM Key Protect. When creating a new storage volume, the user has the option to select provider-managed encryption or customer-managed encryption (BYOK). By selecting BYOK, they can then specify their Key Protect service instance and the specific root key to be used for wrapping the volume's encryption key.
- 4
A developer needs to establish a high-throughput, low-latency network path between a Power Virtual Server instance and a set of microservices running in an IBM Cloud VPC within the same region. What is the recommended method to enable this connectivity?
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Correct answer: B
IBM Cloud Connections are a feature of the Transit Gateway service, designed specifically to provide private, high-speed, low-latency connectivity between IBM Cloud classic infrastructure (where PowerVS resides) and IBM Cloud VPCs. This creates a direct path on the IBM Cloud backbone, avoiding the public internet and providing the best performance.
- 5
A solutions architect is presenting the benefits of Power Virtual Server to a potential client. Which of the following are considered common and ideal use cases for the platform? (Select THREE)
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Correct answer: A, B, C
Using PowerVS as a DR target is a very common use case, allowing clients to avoid the cost of maintaining a secondary physical data center.
Power Systems are certified and optimized for SAP HANA, offering high performance and scalability, making PowerVS a strong platform for these critical enterprise applications.
PowerVS provides a cloud destination for IBM i workloads, allowing businesses to move off aging hardware without rewriting their applications.
- 6
A financial services company is designing a multi-region disaster recovery solution for their critical applications running on both AIX and IBM i within Power Virtual Server. The AIX environment uses PowerHA SystemMirror, and the IBM i environment uses a third-party logical replication tool. They require a unified, private network backbone to connect their primary site in Dallas (DAL) with their DR site in Frankfurt (FRA). Which networking services should be combined to achieve this goal? (Select TWO)
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Correct answer: A, B
IBM Cloud Transit Gateway is the primary service for creating a private, global backbone to connect different IBM Cloud resources, including PowerVS workspaces, across multiple regions.
Direct Link is required to establish the private, dedicated connection from the on-premises data centers to the IBM Cloud network. The Transit Gateway then connects these on-ramps and the PowerVS workspaces together.
- 7
An architect is tuning an Oracle database workload on a POWER10-based Power Virtual Server instance. The workload is characterized by a high number of concurrent, short-lived transactions. To maximize throughput, the architect needs to select the optimal Simultaneous Multi-Threading (SMT) mode. How does the POWER10 processor's SMT implementation differ from POWER9, and which mode is generally recommended for this type of workload?
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Correct answer: B
A key enhancement in POWER10 is that each core is composed of two SMT4 execution engines, allowing more efficient instruction execution in SMT8 mode. For workloads with high thread-level parallelism, like many concurrent database transactions, SMT8 allows the core to be fed with instructions continuously, maximizing throughput.
- 8
A solutions architect is deploying a new SAP HANA instance on Power Virtual Server. The SAP sizing guidelines specify a requirement for data volumes to sustain at least 15,000 IOPS with sub-5ms latency during peak processing. The client also requires the ability to create near-instantaneous, space-efficient copies of the data volumes for testing purposes. Which storage tier and feature combination in Power Virtual Server meets these requirements?
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Correct answer: B
Tier 1 storage is based on NVMe drives, providing 10 IOPS/GB and the low latency required for demanding workloads like SAP HANA. A 1.5TB volume would provide 15,000 IOPS. The Snapshot feature allows for the creation of point-in-time, space-efficient copies ideal for non-disruptive testing and development.
- 9
Company Background:
Global Retail Inc. runs its mission-critical SAP ERP Central Component (ECC) system on-premises on an aging IBM Power7 server with AIX 7.1. The company is facing high maintenance costs and lacks disaster recovery capabilities. They plan to migrate to SAP S/4HANA and have chosen IBM Power Virtual Server as their target platform to leverage their existing AIX skills and ensure high performance for the in-memory database.Current Situation:
The on-premises environment consists of a large 10TB Oracle database and multiple application servers. The migration plan involves a two-step process: first, a lift-and-shift of the existing ECC environment to PowerVS for stabilization, and second, a subsequent project to upgrade to S/4HANA. The company has a 1 Gbps Direct Link connection to the IBM Cloud data center in Washington D.C.Requirements:
- The initial lift-and-shift migration must be completed with a maximum downtime of 8 hours.
- The target PowerVS environment must provide isolated networking for production, non-production, and management traffic.
- The storage solution for the database must support high IOPS and low latency.
- A disaster recovery site must be established in another region with an RPO of less than 15 minutes.
Which proposed solution best meets all the stated requirements?
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Correct answer: B
This is the optimal solution. A logical migration can be timed to fit the downtime window. Separate subnets provide network isolation. Tier 1 storage meets the performance needs of the database. VM Recovery Manager DR is a supported IBM solution for achieving low RPOs for disaster recovery in PowerVS.
- 10
An administrator is troubleshooting a network connectivity issue where a Power Virtual Server instance cannot communicate with an on-premises server over a Direct Link Connect connection. The PowerVS instance and the on-premises server are on different subnets. The Direct Link is showing as 'UP' in the IBM Cloud portal. What is the most likely cause of this issue?
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Correct answer: C
Direct Link uses BGP (Border Gateway Protocol) to exchange routes between the on-premises network and the IBM Cloud private network. If the Direct Link is up but there is no connectivity, the most common reason is a routing issue where the on-premises router has not learned the path to the PowerVS subnet, or vice-versa. This can be due to incorrect BGP configurations or route filters.
