2V0-51.23 Self-Study Guide for Becoming an VMware Horizon 8.x Professional Expert
2V0-51.23 Study Guide Realistic Verified 2V0-51.23 Dumps
VMware 2V0-51.23 exam is a comprehensive exam that covers a range of topics, including deployment and management of virtual desktops and applications, configuration of remote access solutions, and troubleshooting common issues. 2V0-51.23 exam consists of 70 multiple-choice questions and has a time limit of 105 minutes. Individuals who pass the exam will earn the VMware Horizon 8.x Professional certification, which is valid for two years.
VMware Horizon 8.x Professional certification exam is intended for IT professionals who are responsible for managing and maintaining virtual desktop infrastructure (VDI) environments. VMware Horizon 8.x Professional certification exam is also suitable for those who are involved in designing and implementing virtual desktop solutions for their organizations. Additionally, this certification is ideal for those who want to demonstrate their expertise in VMware Horizon 8.x technologies.
NEW QUESTION # 52
An administrator has added a supported PCI graphics accelerator to a virtual machine configuration. When the administrator tries to power on the virtual machine, an error is displayed and the virtual machine remains powered off.
Which of the following virtual machine configuration settings needs to be applied to enable the virtual machine to power on?
- A. Set Memory Shares to High.
- B. Disable CPU Hot Plug.
- C. Enable Video Card 3D Graphics.
- D. Reserve all guest memory.
Answer: D
Explanation:
Explanation
To enable a virtual machine to power on with a PCI graphics accelerator, such as a GPU, attached to it, the administrator needs to reserve all guest memory for that virtual machine. This is because PCI devices require direct memory access (DMA) to function properly, and memory overcommitment can interfere with DMA operations. Reserving all guest memory ensures that no memory swapping or ballooning occurs on the virtual machine, and that the memory address space is contiguous and available for DMA56.
The other options are not required or valid because:
Enabling Video Card 3D Graphics is not necessary for using a PCI graphics accelerator. This option is for using software-accelerated graphics or virtual shared graphics acceleration (vSGA) on a virtual machine7.
Setting Memory Shares to High does not guarantee that all guest memory will be reserved. Memory shares only affect how memory resources are distributed amongcompeting virtual machines when there is memory contention on the host. Memory shares do not prevent memory overcommitment or swapping.
Disabling CPU Hot Plug does not affect the use of a PCI graphics accelerator. CPU Hot Plug allows adding or removing virtual CPUs from a powered-on virtual machine. It has no relation to PCI devices or DMA operations.
References := 5: VMware vSphere 7 Documentation: Add a PCI Device to a Virtual Machine 6: VMware Knowledge Base: Enabling DirectPath I/O causes virtual machines to fail to power on (1010789) 7: VMware Workstation Pro Documentation: Prepare a Virtual Machine to Use Accelerated 3D Graphics : VMware vSphere Resource Management Documentation: Memory Resource Management : VMware vSphere Virtual Machine Administration Documentation: Hot Add Memory and CPU Resources
NEW QUESTION # 53
A Horizon administrator has been utilizing Application Profiler from Dynamic Environment Manager to create application-specific user defined settings. These files have grown to 2.3GB in size for a particular user and have negatively impacted the user experience.
What can be done to the configuration to improve the user experience?
- A. Configure exclusions to filter out unnecessary registry entries.
- B. Configure exclusions to filter out unnecessary folders.
- C. Change the default save path.
- D. Use Deepest Registry Path.
Answer: B
Explanation:
Explanation
To improve the user experience when using Application Profiler from Dynamic Environment Manager to create application-specific user defined settings, the administrator can configure exclusions to filter out unnecessary folders and registry entries. Exclusions are rules that specify which file system or registry locations are not included in the Flex configuration file. Exclusions can reduce the size of the Flex configuration file and the profile archive, and improve the performance of the application profiling and synchronization processes12.
The other options are not valid or effective because:
Changing the default save path does not affect the size or content of the Flex configuration file or the profile archive. It only changes where the files are stored on the local machine3.
Using Deepest Registry Path does not reduce the size of the Flex configuration file or the profile archive. It only changes how the registry locations are displayed in the Application Profiler interface4.
There is no such thing as Cloud Entitlements in Dynamic Environment Manager. The correct term is Global Entitlements, which are used in Cloud Pod Architecture to entitle users to desktops or applications across multiple pods5.
References := 1: VMware Dynamic Environment Manager Application Profiler Administration Guide: Filtering and Optimizing the Analysis Details 2: VMware Dynamic Environment Manager Application Profiler Administration Guide: Exclusions 3: VMware Dynamic Environment Manager Application Profiler Administration Guide: Advanced Configuration of Application Profiler 4: VMware Dynamic Environment Manager Application Profiler Administration Guide: Editing the Flex Configuration File 5: VMware Horizon
8 Documentation: Understanding Global Entitlements in Cloud Pod Architecture
NEW QUESTION # 54
Refer to the exhibit.
Drag and drop the appropriate firewall ports in support of the Blast Extreme protocol into the correct locations in the diagram on the right.
Two options will not be used.
Answer:
Explanation:
Explanation
NEW QUESTION # 55
Which pre-requisite should be met before installing the Horizon Connection Server?
- A. Install AD DS and AD LDS Tools on the Horizon Connection Server.
- B. Use a domain user account with administrator privileges on the Horizon Connection Server.
- C. The host system must be a vSphere VM with a static IP address.
- D. An SSL server certificate must be installed on the Horizon Connection Server.
Answer: B
Explanation:
One of the prerequisites for installing the Horizon Connection Server is to use a domain user account with administrator privileges on the system. This is because the installer needs to access and modify certain system files and registry settings, as well as create and configure the VMware Horizon View services. The installer also authorizes an Administrators account that has full administration rights for the Horizon environment, including the right to install replicated Connection Server instances. The other options are not prerequisites for installing the Horizon Connection Server. The host system can be a physical or virtual machine, but it must have an IP address that does not change. An SSL server certificate is not required for the initial installation, but it is recommended to replace the default self-signed certificate with a valid certificate from a trusted CA after the installation. AD DS and AD LDS Tools are not required for installing the Horizon Connection Server, but they can be useful for troubleshooting and managing the ADAM database that stores the Horizon configuration data. References: Installation Prerequisites for Horizon Connection Server and [VMware Horizon 8.x Professional Course]
NEW QUESTION # 56
On a VMware vCenter managed virtual machine, how does the VMware Horizon Agent know which Connection Server it should register with during the Instant Clone pool creation process?
- A. Administrator provides this information in the Horizon Agent Installation Wizard on the master image.
- B. Administrator provides this information in the "Add Pool" creation wizard.
- C. Horizon Agent queries VMware Tools for a Guestlnfo Variable during the cloning process.
- D. Horizon Agent retrieves this information from an DNS SRV record.
Answer: C
Explanation:
Explanation
On a VMware vCenter managed virtual machine, the VMware Horizon Agent knows which Connection Server it should register with during the Instant Clone pool creation process by querying VMware Tools for a Guestlnfo Variable during the cloning process. The Guestlnfo Variable is a custom property that is set on the parent virtual machine and contains the FQDN of the Connection Server. When the parent virtual machine is cloned, the Guestlnfo Variable is copied to the clone and read by the Horizon Agent. The Horizon Agent then registers with the Connection Server specified in the Guestlnfo Variable12.
The other options are not correct for this scenario:
Administrator provides this information in the "Add Pool" creation wizard. This option is not correct because the administrator does not need to provide the Connection Server information in the "Add Pool" creation wizard. The administrator only needs to select the vCenter Server, data center, cluster, resource pool, datastore, network, and snapshot of the parent virtual machine. The Connection Server information is already embedded in the parent virtual machine as a Guestlnfo Variable3.
Horizon Agent retrieves this information from an DNS SRV record. This option is not correct because the Horizon Agent does not use DNS SRV records to find the Connection Server during the Instant Clone pool creation process. DNS SRV records are used by Horizon Client devices to discover Connection Servers when they connect to a Horizon environment. DNS SRV records are optional and can be configured by the administrator to simplify client connections4.
Administrator provides this information in the Horizon Agent Installation Wizard on the master image.
This option is not correct because the administrator does not need to provide the Connection Server information in the Horizon Agent Installation Wizard on the master image. The administrator only needs to select the features and options that are required for the desktop pool, such as VMware Horizon Instant Clone Agent, VMware Dynamic Environment Manager, VMware App Volumes, and so on. The Connection Server information is set on the master image after it is converted to a parent virtual machine by using a PowerShell script5.
References:
Instant Clones: How Does It Work?
Instant Clone Domain Administrator Account
Create an Automated Instant-Clone Desktop Pool
Configuring DNS Service Records for Horizon Connection Server
Install Horizon Agent on a Virtual Machine
[VMware Horizon 8.x Professional]
[VMware Horizon Architecture Planning]
NEW QUESTION # 57
An administrator is configuring load-balancing settings in Horizon Console for a RDSH Farm. Which two check boxes can be selected to influence the load balancing behavior? (Choose two.)
- A. The floating dynamic host profile setting, created in the vSphere profile section.
- B. The Horizon DRS setting for fully automated vSphere load balancing.
- C. The Include Session Count setting to include the session count on the RDSH for load balancing.
- D. The use custom script setting for customized RDSH load balancing.
Answer: C,D
Explanation:
Explanation
Load balancing is a feature that allows administrators to distribute the load of published desktop and application sessions across multiple RDS hosts in a farm. Load balancing can improve the performance and availability of the sessions and the hosts. Horizon offers two ways of configuring load balancing for RDS hosts: using load balancing settings in Horizon Console or using custom load balancing scripts.
The load balancing settings in Horizon Console allow administrators to define how Horizon calculates the server load index, which indicates the load on each RDS host. The server load index can range from 0 to 100, where 0 represents no load and 100 represents full load. A server load index of -1 indicates that load balancing is disabled. Horizon uses the server load index to determine which RDS host is the best candidate for placing a new session request.
The load balancing settings in Horizon Console include the following check boxes that can be selected to influence the load balancing behavior:
The use custom script setting for customized RDSH load balancing: This setting allows administrators to override the default behavior of the load balancing settings and control the placement of new sessions by writing and configuring custom load balancing scripts. The custom scripts must write the server load index to a specific registry key on each RDS host. Horizon will use the value from the registry key instead of calculating it from the other settings.
The Include Session Count setting to include the session count on the RDSH for load balancing: This setting allows administrators to include the number of sessions (connected, pending, and disconnected) on each RDS host as a factor in calculating the server load index. By default, Horizon uses the following formula to calculate the server load index based on the session count: (connected sessions + pending sessions + disconnected sessions)/ (maximum session count). If the maximum session count is configured as unlimited, Horizon falls back to using the absolute number of total sessions.
The other options are not check boxes that can be selected in the load balancing settings in Horizon Console:
The floating dynamic host profile setting, created in the vSphere profile section: This option is not related to load balancing for RDS hosts, but rather to dynamic environment manager for instant-clone desktops. A dynamic host profile is a vSphere profile that contains configuration settings for instant-clone desktops, such as network settings, domain join settings, and customization scripts. A floating dynamic host profile is a type of dynamic host profile that applies to floating desktop pools, where users are assigned a random desktop from a pool at each login.
The Horizon DRS setting for fully automated vSphere load balancing: This option is not related to load balancing for RDS hosts, but rather to distributed resource scheduler (DRS) for vSphere clusters. DRS is a feature that monitors and balances the CPU and memory resources across multiple ESXi hosts in a cluster. DRS can also migrate virtual machines between hosts using vMotion to optimize resource utilization and performance. Horizon DRS is an extension of DRS that integrates with Horizon and provides additional capabilities, such as affinity rules, maintenance mode, and power management.
Horizon DRS can be configured with different automation levels, such as fully automated, partially automated, or manual.
References: Configuring Load Balancing for RDS Hosts in Horizon Console, Load Balancing Settings, Load Balancing Scripts, [Dynamic Host Profiles], and [VMware Horizon 8.x Professional Course]
NEW QUESTION # 58
Which of the following statements are true about Application Profiler?
- A. VMware Dynamic Environment Manager Agent and the Application Profiler cannot be installed on the same machine.
- B. Application Profiler is installed automatically when installing VMware Dynamic Environment Manager FlexEngine.
- C. Application Profiler is installed automatically when installing Dynamic Environment Manager Management Console.
- D. Application Profiler is installed using VMware Dynamic Environment Manager Enterprise Setup Wizard and explicitly selecting local drive installation.
Answer: D
Explanation:
Application Profiler is a tool that analyzes the registry and file system locations where the settings for a particular application are stored, and creates a Flex configuration file for use with Dynamic Environment Manager. Application Profiler is installed using VMware Dynamic Environment Manager Enterprise Setup Wizard and explicitly selecting local drive installation1. This option allows you to install Application Profiler on a separate machine from the Dynamic Environment Manager Agent or Management Console. Alternatively, you can install Application Profiler on the same machine as the Dynamic Environment Manager Agent or Management Console, by selecting network share installation1.
VMware Dynamic Environment Manager Agent and the Application Profiler can be installed on the same machine, but it is not recommended. This is because the Dynamic Environment Manager Agent might interfere with the profiling process by applying settings to the application being profiled1. Therefore, it is best to use a clean system for profiling applications.
Application Profiler is not installed automatically when installing VMware Dynamic Environment Manager FlexEngine or Management Console. FlexEngine is the component that applies the user environment settings during logon, logoff, and session reconnect or disconnect events2. Management Console is the component that allows you to configure and manage the user environment settings2. Neither of these components requires Application Profiler to function. Application Profiler is an optional tool that helps you create Flex configuration files for applications that are not included in the predefined settings library1. References:
VMware Dynamic Environment Manager Overview2
Using Application Profiler1
NEW QUESTION # 59
Which three of the following are benefits of using Virtual Machines? (Choose three.)
- A. Independent of physical hardware.
- B. Easy to move or copy.
- C. Faster to provision.
- D. Difficult to move or copy.
- E. Bound to a specific set of hardware components.
Answer: A,B,C
Explanation:
Explanation
One of the benefits of using virtual machines is that they are independent of physical hardware. This means that they can run on any compatible host machine, regardless of the underlying hardware components. This also enables them to be migrated, moved, or copied easily from one host to another, without requiring any reconfiguration or installation. This enhances the flexibility and portability of virtual machines, as well as their availability and disaster recovery.
Another benefit of using virtual machines is that they are faster to provision than physical machines. This is because they can be created from templates or snapshots, which contain preconfigured operating systems and applications. This reduces the time and effort needed to install and configure software on each machine.
Moreover, virtual machines can be cloned or duplicated quickly, allowing for rapid scaling and deployment of multiple identical instances.
References :=
Virtual Machines Overview
Creating and Provisioning Virtual Machines
Migrating Virtual Machines
NEW QUESTION # 60
Drag and drop the TLS Configuration steps on the left into the correct sequential order on the right.
Answer:
Explanation:
Explanation:
To correctly sequence the TLS Certificate Configuration Steps:
Get a new signed TLS certificate from a CA. Before making any modifications or importing the certificate, you'll first need to obtain a new signed TLS certificate from a Certificate Authority (CA). So, this should be Step 1.
Import the TLS certificate into the Windows local computer certificate store. After obtaining the new signed TLS certificate, the next logical step is to import this certificate into the Windows local computer certificate store. This would be Step 2.
Modify the certificates/ friendly names to vdm and reflect the current active certificate. Once the certificate is imported, the next step is to modify its friendly names to ensure the Horizon Service recognizes and uses this certificate. This becomes Step 3.
Restart Horizon Service. Finally, after all the modifications and configurations are done, you should restart the Horizon Service to apply the changes. This is Step 4.
In summary:
NEW QUESTION # 61
An administrator is tasked with creating a new pool of desktops with hardware-accelerated graphics with vMotion support. Which graphic acceleration types can the administrator choose to meet the requirement?
- A. Virtual Dedicated Graphics Acceleration
- B. Virtual Shared 3D rendering
- C. Virtual Shared Pass-through Graphics Acceleration
- D. Virtual Shared Direct access 3D
Answer: C
NEW QUESTION # 62
Refer to the exhibit.
An administrator prepared a golden image based on a Windows Server Operating System. They plan to use this image to create a single-session virtual desktop pool. The installation is completed, the virtual machine is turned off, and the snapshot has been created. When the administrator creates the desktop pool, they are unable to select the created image and snapshot. They do see other previously created golden images, based on Desktop Operating Systems.
The administrator has opened the Horizon Console.
Mark the correct menu option where the administrator can enable Windows Server Operating Systems to be used as single-session desktops by clicking on it.
Answer:
Explanation:
NEW QUESTION # 63
An end-user is experiencing a black screen when connecting to their virtual desktop. After a few seconds, the connection closes. Which could be the cause of the issue? (Choose three.)
- A. The Client machine video memory is too high.
- B. There is an incorrect firewall configuration.
- C. There is a vRAM shortage on the Horizon virtual machine.
- D. The Horizon Virtual Machine video memory is too high.
- E. The incorrect video driver version is installed on the Horizon virtual machine.
Answer: B,C,E
Explanation:
A black screen when connecting to a Horizon virtual desktop can be caused by various reasons, such as network issues, hardware issues, Horizon tunnel issues, or underlying guest operating system issues. Based on the options given, the following could be the cause of the issue:
A vRAM shortage on the Horizon virtual machine. This can affect the display performance and cause a black screen or a disconnect. To resolve this issue, you should configure the pool to provide enough video memory for the resolutions you plan to present to the clients1.
The incorrect video driver version installed on the Horizon virtual machine. This can cause compatibility issues and prevent the display protocol from working properly. To resolve this issue, you should verify that the View desktop is using the correct video driver and that it is compatible with the VMware Tools and Horizon Agent versions installed23.
An incorrect firewall configuration. This can block or misroute the display protocol traffic and cause a connection failure. To resolve this issue, you should verify that the required ports are open between the client, UAG/Security server/Connection server, and VDI machine4 .
The other options are not likely to cause a black screen when connecting to a Horizon virtual desktop:
The client machine video memory is too high. This should not affect the display protocol performance or cause a black screen. The client machine video memory is only used to render the display on the local device, not on the remote desktop.
The Horizon virtual machine video memory is too high. This should not cause a black screen or a disconnect either. The Horizon virtual machine video memory is used to allocate resources for the display protocol on the server side, not on the client side.
References:
Dual monitors configured using PCoIP does not span both the monitors for VMware View and Connecting to a VDI desktop with PCoIP displays a black screen and disconnects after 10 seconds Error attaching to SVGADevTap, error 4000: EscapeFailed reported by PCoIP server Interoperability Matrices Configuring PCoIP Secure Gateway in VMware View
[Network Ports in VMware Horizon]
NEW QUESTION # 64
An administrator wants to ensure that user's desktop experience is consistent regardless of the desktop they connect to.
What solution should be used to meet the requirement?
- A. Dynamic Environment Manager
- B. Temporary Profiles
- C. Local Profiles
- D. Persona Management
Answer: A
Explanation:
VMware Horizon's Dynamic Environment Manager (DEM) is designed to provide a consistent and personalized desktop experience for users across different sessions and desktops. DEM manages user profiles and policies dynamically, ensuring that user settings, preferences, and application configurations are consistent no matter which desktop a user connects to, thus meeting the requirement for a uniform desktop experience.
NEW QUESTION # 65
How does an administrator enable debug logging for a single user in VMware Dynamic Environment Manager?
- A. Create an empty FlexDebug.txt file in the log folder.
- B. Configure the FlexEngine GPO to DEBUG.
- C. Create an empty FlexDebug.log file in the log folder.
- D. Update the FlexEngine registry to DEBUG.
Answer: A
Explanation:
To enable debug logging for a single user in VMware Dynamic Environment Manager, the administrator needs to create an empty FlexDebug.txt file in the same folder as the standard log file for this user. This will trigger FlexEngine to switch to debug logging for this particular user1. Debug logging is useful for troubleshooting purposes, as it provides more detailed information about the FlexEngine operations and actions1.
The other options are not correct because:
Updating the FlexEngine registry to DEBUG will not enable debug logging for a single user, but for all users who log on to the same computer. This option can only be set through Group Policy settings and applies to all users1. Moreover, this option is not recommended, as it can cause performance issues and disk space consumption due to the large size of the log files1.
Creating an empty FlexDebug.log file in the log folder will not enable debug logging for a single user, as the file name must be exactly FlexDebug.txt. The file extension must be .txt, not .log1.
Configuring the FlexEngine GPO to DEBUG will not enable debug logging for a single user, but for all users who are affected by the GPO. This option can only be set through Group Policy settings and applies to all users1. Moreover, this option is not recommended, as it can cause performance issues and disk space consumption due to the large size of the log files1.
References:
Enabling debug logging for a single user in VMware Dynamic Environment Manager1
NEW QUESTION # 66
An organization wants to prohibit certain users from saving any type of data from their virtual desktops to client devices after business hours. After business hours are 5PM till 9AM.
How can this be achieved?
- A. Use settings in Dynamic Environment Manager Horizon Smart Policy and set Conditions.
- B. Import vdm_blast.admx template to Active Directory and setup a new Group Policy Object with required settings.
- C. Configure corporate firewall to block port TCP 9427 from 5PM till 9AM.
- D. Set the configuration in HKEY_LOCAL_MACHINE\SOFTWARE\VMware, Inc.\VMware VDM\Agent\ on virtual desktops.
Answer: A
Explanation:
VMware Horizon's Dynamic Environment Manager (DEM) allows for the creation of Horizon Smart Policies with conditions that can be applied based on various criteria, including time of day. By utilizing DEM, an administrator can create policies that restrict certain actions, such as saving data to client devices, outside of specified business hours (5PM to 9AM in this case), thus achieving the desired control over user activities based on the time of day.
NEW QUESTION # 67
Refer to the exhibit.
Drag and drop the ports on the left to allow an external Blast Extreme connection through Unified Access Gateway (UAG) into the diagram on the right.
Answer:
Explanation:
Explanation
NEW QUESTION # 68
A Horizon administrator does not see the health status for the Unified Access Gateways (UAG) they configured in the Horizon Console.
What two options could be causing the issue? (Choose two.)
- A. The Connection Server needs to be rebooted.
- B. The pod needs to be added to the Cloud Pod Federation.
- C. The firewall hasn't been configured properly to allow traffic on port 443.
- D. The name entered in the Horizon console doesn't match up with the system name in UAG.
- E. Another license is needed for UAG health overview.
Answer: C,D
Explanation:
If the Horizon Console does not display the health status of configured Unified Access Gateways (UAGs), it could be due to improper firewall configuration blocking traffic on port 443, which is essential for secure communication. Additionally, a discrepancy between the system name in UAG and the name entered in the Horizon Console can also prevent the console from correctly retrieving and displaying the UAG's health status.
NEW QUESTION # 69
Which pre-requisite should be met before installing the Horizon Connection Server?
- A. Install AD DS and AD LDS Tools on the Horizon Connection Server.
- B. Use a domain user account with administrator privileges on the Horizon Connection Server.
- C. The host system must be a vSphere VM with a static IP address.
- D. An SSL server certificate must be installed on the Horizon Connection Server.
Answer: B
Explanation:
Explanation
One of the prerequisites for installing the Horizon Connection Server is to use a domain user account with administrator privileges on the system. This is because the installer needs to access and modify certain system files and registry settings, as well as create and configure the VMware Horizon View services. The installer also authorizes an Administrators account that has full administration rights for the Horizon environment, including the right to install replicated Connection Server instances. The other options are not prerequisites for installing the Horizon Connection Server. The host system can be a physical or virtual machine, but it must have an IP address that does not change. An SSL server certificate is not required for the initial installation, but it is recommended to replace the default self-signed certificate with a valid certificate from a trusted CA after the installation. AD DS and AD LDS Tools are not required for installing the Horizon Connection Server, but they can be useful for troubleshooting and managing the ADAMdatabase that stores the Horizon configuration data. References: Installation Prerequisites for Horizon Connection Server and [VMware Horizon 8.x Professional Course]
NEW QUESTION # 70
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