CISCO 500-901 Cisco Data Center Unified Computing Infrastructure Design Free Practice Test — 30 Questions

Question 1

In a CI/CD pipeline, a development team is implementing automated testing to ensure code quality before deployment. They decide to use a testing framework that requires a specific configuration file to be present in the repository. The team has two branches: `development` and `production`. The `development` branch is where new features are integrated and tested, while the `production` branch is stable and only receives code that has passed all tests. If the configuration file is missing from the `development` branch, what is the most effective strategy to ensure that the CI/CD pipeline continues to function correctly without disrupting the workflow?

Accepted Answer

Implement a pre-commit hook that checks for the presence of the configuration file before any commits are made to the `development` branch.

Question 2

In a Cisco UCS environment, you are tasked with automating the deployment of multiple service profiles across several blade servers using PowerTool. You need to ensure that each service profile is configured with the correct UUID, MAC addresses, and boot policies. Given that you have a CSV file containing the necessary parameters for each service profile, which PowerTool command would you use to import the service profiles from the CSV file and apply the configurations effectively while ensuring that the UUIDs are unique for each profile?

Accepted Answer

`Import-UcsServiceProfile -FilePath "C:\Profiles.csv" -UniqueUUID`

Question 3

A data center manager is tasked with planning the capacity for a new server deployment that will support a web application expected to handle a peak load of 10,000 concurrent users. Each user is estimated to require 200 KB of memory and 50 KB of bandwidth per second. The manager also anticipates a 20% growth in user load over the next year. Given that each server can handle 500 concurrent users and has 32 GB of RAM, how many servers should the manager provision to accommodate the peak load and the anticipated growth?

Accepted Answer

8 servers

Question 4

In a data center environment, a network engineer is tasked with designing a unified computing infrastructure that optimally balances performance and cost. The engineer must choose between three different server configurations, each with varying CPU, memory, and storage capabilities. The first configuration has 16 CPU cores, 128 GB of RAM, and 2 TB of SSD storage. The second configuration has 32 CPU cores, 256 GB of RAM, and 4 TB of SSD storage. The third configuration has 8 CPU cores, 64 GB of RAM, and 1 TB of SSD storage. If the engineer anticipates a workload that requires at least 200 GB of RAM and 3 TB of SSD storage, which configuration would best meet the performance requirements while also being cost-effective, assuming that the cost increases with the number of CPU cores and RAM?

Accepted Answer

The second configuration

Question 5

In a Cisco UCS environment, you are tasked with designing a system that optimally utilizes the available resources while ensuring high availability and scalability. You have a requirement for 10 servers, each needing 16 GB of RAM and 4 vCPUs. The UCS chassis you are using can accommodate up to 8 blade servers, and each blade server can support a maximum of 256 GB of RAM. Given that you want to maximize resource utilization and maintain redundancy, how many chassis will you need to deploy to meet the requirements while ensuring that each server has access to the necessary resources?

Accepted Answer

2 chassis

Question 6

A large financial institution is planning to upgrade its data center infrastructure to enhance its cloud capabilities and improve operational efficiency. The IT team is considering a hybrid cloud model that integrates on-premises resources with public cloud services. They need to evaluate the potential benefits and challenges of this approach. Which of the following outcomes best describes the advantages of adopting a hybrid cloud model in this scenario?

Accepted Answer

Improved scalability and flexibility in resource allocation while maintaining control over sensitive data.

Question 7

In a cloud-based infrastructure, a company is implementing Infrastructure as Code (IaC) to automate the deployment of its applications. The team decides to use a configuration management tool to ensure that the environment is consistent across multiple deployments. They need to determine the best approach to manage the state of their infrastructure. Which of the following strategies would most effectively ensure that the infrastructure remains in the desired state while allowing for easy rollbacks and updates?

Accepted Answer

Use a declarative approach to define the desired state of the infrastructure in code, allowing the IaC tool to manage the state automatically.

Question 8

In a data center environment, a network engineer is troubleshooting a situation where multiple servers are experiencing intermittent connectivity issues. The engineer suspects that the problem may be related to the network configuration, specifically the VLAN settings. After reviewing the configuration, the engineer finds that the servers are assigned to different VLANs but are expected to communicate with each other. What is the most likely cause of the connectivity issue, and how should it be resolved?

Accepted Answer

The VLANs are not properly trunked between switches, preventing inter-VLAN communication.

Question 9

In a Cisco UCS environment, you are tasked with configuring a service profile for a new blade server that will host a critical application. The application requires a specific amount of CPU and memory resources, as well as a dedicated network interface for optimal performance. The blade server has two CPUs, each with 8 cores, and you need to allocate 16 virtual CPUs (vCPUs) to the service profile. Additionally, the application requires 32 GB of RAM. Given that the UCS Manager allows for a maximum of 2 vCPUs per physical core, what is the minimum amount of RAM that should be allocated to ensure that the application runs efficiently, considering the overhead for the hypervisor and other system processes?

Accepted Answer

48 GB

Question 10

In a data center environment, a company is evaluating the benefits of implementing a Unified Computing System (UCS) to enhance its operational efficiency and reduce costs. The IT manager is particularly interested in understanding how UCS can streamline resource management and improve scalability. Given the following scenarios, which benefit of Unified Computing best addresses the need for efficient resource allocation and flexibility in scaling operations?

Accepted Answer

Simplified management through centralized control of compute, network, and storage resources

Question 11

In a data center environment, a network engineer is tasked with designing a Unified Computing System (UCS) that optimally integrates compute, network, and storage resources. The engineer must ensure that the design adheres to best practices for scalability and redundancy. Given a scenario where the data center anticipates a 50% increase in workload over the next year, which design consideration should be prioritized to accommodate this growth while maintaining high availability?

Accepted Answer

Implementing a scalable architecture with modular components that can be easily added or upgraded.

Question 12

In a data center environment, a network engineer is tasked with designing a Unified Computing System (UCS) that optimally integrates compute, network, and storage resources. The engineer must ensure that the system can handle a workload that requires a minimum of 10 Gbps of bandwidth per server while maintaining redundancy and scalability. Given that each UCS blade server can support up to 2 virtual machines (VMs) and each VM requires 5 Gbps of bandwidth, what is the minimum number of blade servers needed to support the workload while adhering to the redundancy requirement of having at least one additional server for failover?

Accepted Answer

3 blade servers

Question 13

In a data center environment, you are tasked with automating the provisioning of virtual machines using the UCS API. You need to create a script that will retrieve the current configuration of the UCS Manager, modify the necessary parameters for a new service profile, and then apply these changes. Which of the following steps is essential to ensure that your script can successfully interact with the UCS API and apply the changes without causing disruptions to existing services?

Accepted Answer

Establish a secure connection to the UCS Manager using HTTPS and authenticate with valid credentials before making any API calls.

Question 14

In a data center environment, a network architect is tasked with designing a Unified Computing Infrastructure (UCI) that optimally integrates compute, network, and storage resources. The architect must ensure that the infrastructure supports virtualization, scalability, and high availability. Which of the following best describes the primary purpose of a Unified Computing Infrastructure in this context?

Accepted Answer

To provide a cohesive framework that simplifies management and enhances resource utilization across compute, network, and storage components.

Question 15

A company is evaluating the implementation of a Hyperconverged Infrastructure (HCI) solution to streamline its data center operations. The IT team is tasked with determining the total cost of ownership (TCO) over a five-year period, considering both initial capital expenditures (CapEx) and ongoing operational expenditures (OpEx). The initial investment for the HCI solution is $200,000, with annual maintenance costs of $20,000. Additionally, the team estimates that the operational costs, including power, cooling, and staffing, will amount to $50,000 per year. What is the total cost of ownership (TCO) for the HCI solution over the five-year period?

Accepted Answer

$400,000

Question 16

In a recent deployment of a Cisco Unified Computing System (UCS) in a large enterprise environment, the IT team faced challenges related to resource allocation and workload management. After analyzing the deployment, they identified that the initial configuration did not adequately account for the varying resource demands of different applications. Given this scenario, which approach would best address the issues of resource allocation and workload management in future deployments?

Accepted Answer

Implementing a policy-based resource management system that dynamically allocates resources based on real-time application demands.

Question 17

In a data center environment, a network engineer is tasked with designing a Unified Computing System (UCS) that optimally integrates compute, network, and storage resources. The engineer must ensure that the system can efficiently handle varying workloads while maintaining high availability and scalability. Given the following requirements: the system must support virtualization, provide redundancy, and allow for easy management of resources. Which design approach would best meet these criteria while ensuring that the UCS can dynamically allocate resources based on workload demands?

Accepted Answer

Implementing a service profile-based architecture that allows for the abstraction of hardware resources and enables rapid deployment of virtual machines.

Question 18

In a Cisco UCS environment, a data center manager is tasked with designing a network architecture that optimally supports a mix of virtualized and bare-metal workloads. The manager needs to ensure that the network can handle a peak throughput of 10 Gbps per server while maintaining low latency and high availability. Given that each UCS Fabric Interconnect can support up to 32 servers and has a maximum throughput of 80 Gbps, what is the minimum number of Fabric Interconnects required to support 64 servers under these conditions?

Accepted Answer

2

Question 19

In a data center environment, a network administrator is tasked with optimizing resource allocation for a virtualized infrastructure that supports multiple applications. The total available CPU resources are 200 GHz, and the administrator needs to allocate these resources among three applications: Application X requires 50 GHz, Application Y requires 70 GHz, and Application Z requires 30 GHz. Additionally, the administrator wants to reserve 20 GHz for future workloads. Given these constraints, how should the administrator allocate the CPU resources to ensure all applications receive their required resources while adhering to the reservation policy?

Accepted Answer

Allocate 50 GHz to Application X, 70 GHz to Application Y, and 30 GHz to Application Z, reserving 20 GHz for future workloads.

Question 20

In a data center environment, you are tasked with automating the provisioning of UCS servers using the UCS API. You need to create a script that retrieves the current configuration of a specific service profile and modifies it to include a new VLAN. The service profile is identified by its unique name, and the VLAN ID you want to add is 100. Given that the UCS API uses XML for requests and responses, which of the following steps should you take to ensure that your script correctly updates the service profile with the new VLAN while adhering to UCS API best practices?

Accepted Answer

Use the GET method to retrieve the service profile configuration, modify the XML to include the new VLAN ID, and then use the PUT method to update the service profile with the modified XML.

Question 21

In a data center environment, a network engineer is tasked with optimizing the performance of a virtualized infrastructure that hosts multiple applications. The engineer notices that the CPU utilization is consistently above 85%, leading to performance degradation. To address this, the engineer considers implementing a combination of load balancing and resource allocation strategies. Which approach would most effectively optimize CPU performance while ensuring minimal disruption to the running applications?

Accepted Answer

Implementing dynamic resource allocation based on real-time CPU usage metrics and deploying a load balancer to distribute workloads evenly across the available virtual machines.

Question 22

A data center manager is tasked with planning the capacity for a new virtualized environment that will host multiple applications. The manager estimates that each virtual machine (VM) will require an average of 4 GB of RAM and 2 vCPUs. The data center has a total of 128 GB of RAM and 32 vCPUs available. If the manager wants to allocate resources such that each VM has a buffer of 20% additional resources to handle peak loads, how many VMs can the manager effectively deploy without exceeding the available resources?

Accepted Answer

16 VMs

Question 23

In a data center environment, a network administrator is tasked with configuring a new server using both GUI (Graphical User Interface) and CLI (Command Line Interface) management tools. The administrator needs to set up a firewall rule that allows traffic on port 8080 for a web application. After successfully implementing the rule using the GUI, the administrator decides to verify the configuration using the CLI. Which of the following statements best describes the advantages and potential drawbacks of using GUI versus CLI for this task?

Accepted Answer

GUI provides a more intuitive interface for visualizing configurations, while CLI allows for more precise control and scripting capabilities, but may require a steeper learning curve for complex tasks.

Question 24

In a recent deployment of a Cisco Unified Computing System (UCS) in a large enterprise environment, the IT team faced challenges related to resource allocation and workload management. After analyzing the deployment, they identified that the initial configuration did not adequately account for the varying resource demands of different applications. Given this scenario, which approach would best enhance the efficiency of resource utilization in future deployments?

Accepted Answer

Implementing a policy-based resource management system that dynamically allocates resources based on real-time application demands.

Question 25

In a Cisco UCS environment, you are tasked with designing a virtualization strategy that optimizes resource allocation for a multi-tenant data center. Each tenant requires a specific amount of CPU and memory resources, and you need to ensure that the overall resource utilization is maximized while maintaining performance. If Tenant A requires 4 vCPUs and 16 GB of RAM, Tenant B requires 2 vCPUs and 8 GB of RAM, and Tenant C requires 6 vCPUs and 24 GB of RAM, what is the total number of vCPUs and RAM required for all tenants combined? Additionally, if the UCS system has a total of 32 vCPUs and 128 GB of RAM available, what percentage of the total resources will be utilized after provisioning these tenants?

Accepted Answer

37.5% CPU and 37.5% RAM utilized

Question 26

In a data center environment, a network engineer is tasked with optimizing the performance of a virtualized infrastructure that hosts multiple applications. The engineer notices that the CPU utilization is consistently above 85%, leading to performance degradation. To address this, the engineer considers implementing a combination of load balancing and resource allocation strategies. Which approach would most effectively enhance the overall performance while ensuring optimal resource utilization?

Accepted Answer

Implementing dynamic resource allocation based on real-time workload demands and utilizing load balancing across multiple servers.

Question 27

In a data center environment, a network engineer is tasked with optimizing the performance of a Unified Computing System (UCS) by implementing a new design that incorporates both virtualization and physical server resources. The engineer needs to determine the best approach to allocate resources effectively while ensuring high availability and scalability. Which design principle should the engineer prioritize to achieve these goals?

Accepted Answer

Resource pooling and abstraction

Question 28

In a Cisco ACI environment, a network engineer is tasked with designing a multi-tenant architecture that ensures optimal resource allocation and security between different tenants. The engineer decides to implement Application Profiles and Endpoint Groups (EPGs) to achieve this. Given the following requirements: Tenant A needs to communicate with Tenant B but must have restricted access to certain applications, while Tenant C should have complete isolation from both Tenant A and Tenant B. Which design approach should the engineer take to meet these requirements effectively?

Accepted Answer

Create separate Application Profiles for each tenant and configure EPGs with specific contracts that allow limited communication between Tenant A and Tenant B, while ensuring Tenant C has its own isolated EPGs with no contracts to other tenants.

Question 29

In a data center environment, a network architect is tasked with designing a Unified Computing System (UCS) that optimally integrates compute, network, and storage resources. The architect must ensure that the system can support a workload that requires a total of 128 virtual machines (VMs), each needing 4 vCPUs and 8 GB of RAM. If the UCS is configured with blade servers that each have 2 CPUs, with each CPU supporting 10 vCPUs, and each blade has 64 GB of RAM, how many blade servers are required to meet the workload demands?

Accepted Answer

4 blade servers

Question 30

In a Cisco UCS environment, a network administrator is tasked with implementing security features to protect sensitive data during transmission. The administrator decides to utilize the UCS Manager\'s role-based access control (RBAC) and secure communication protocols. Which combination of features should the administrator prioritize to ensure both data integrity and confidentiality while adhering to best practices in security?

Accepted Answer

Implementing RBAC with encrypted communication using TLS and enabling secure boot for UCS servers

CISCO 500-901 Cisco Data Center Unified Computing Infrastructure Design Free Practice Test — 30 Questions

A lot more is already mapped out

About the CISCO 500-901 Cisco Data Center Unified Computing Infrastructure Design Certification