1Y0-312 Performance and Scalability Optimization — All Questions With Answers

Question 1mediummultiple choice

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An administrator notices high CPU utilization on VDA machines during morning login spikes. Users report slow application launches. Which action should the administrator take to optimize performance?

Question 2hardmultiple choice

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Refer to the exhibit. An administrator is configuring HDX policies for a WAN-based user group. Despite these settings, users report sluggish screen updates. What should the administrator change to improve performance?

Exhibit

Policy Name: Session_Optimization
Setting: HDX Adaptive Transport: Enabled
Setting: Multimedia Redirection: Allowed
Setting: Graphics Quality: High

Question 3easymultiple choice

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Which Citrix feature should be enabled to reduce the impact of large file transfers on the network during user logons?

Question 4mediummulti select

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Which THREE items should be excluded from antivirus scanning on a VDA to optimize performance? (Choose three)

Question 5mediummultiple choice

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An administrator is using Citrix WEM to optimize performance. Which feature specifically helps reduce the time it takes for applications to launch?

Question 6hardmultiple choice

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Refer to the exhibit. The help desk reports that users are complaining about slow session reconnection times after idle periods. Which setting should be adjusted to optimize resource utilization while maintaining session state?

Exhibit

Policy: Session_Limit_Policy
Disconnected Session Timer: 30 minutes
Idle Session Timer: 15 minutes
Logoff on Disconnect: Disabled

Question 7mediummultiple choice

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When configuring a Citrix policy to optimize WAN performance, which setting should be prioritized to minimize the impact of high latency?

Question 8mediummultiple choice

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An administrator notices high CPU spikes on VDA hosts during the initial logoff phase of shift changes. Which action should the administrator perform to mitigate this impact on the overall user experience?

Question 9hardmulti select

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Which TWO actions should an administrator take to optimize performance for a VDA environment heavily reliant on graphics-intensive applications? (Choose TWO)

Question 10mediummultiple choice

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Refer to the exhibit. An administrator is troubleshooting slow session startup times for users connecting over a WAN. Based on the policy configuration, why might the startup remain slow?

Exhibit

Policy Name: Session_Optimization
Setting: 'Optimize performance for high-latency connections'
Value: Enabled
Setting: 'Wait for printers to be created'
Value: Disabled
Setting: 'Enable multi-stream ICA'
Value: Enabled

Question 11mediummultiple choice

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An administrator observes that users are experiencing long login times due to excessive GPO processing. Which approach should be used to minimize GPO-related login delays without sacrificing security?

Question 12hardmulti select

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Which THREE strategies are effective for reducing the storage I/O impact of a large-scale Citrix environment during the morning 'boot storm'? (Choose THREE)

Question 13hardmulti select

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An administrator wants to improve the scalability of a VDA host by reducing memory consumption per session. Which THREE actions are recommended? (Choose THREE)

Question 14hardmultiple choice

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Refer to the exhibit. The administrator is experiencing high encoder latency despite low CPU usage. What is the likely bottleneck?

Exhibit

Policy: 'Graphics Quality'
Setting: 'Optimize for 3D graphics'
Value: Enabled
Setting: 'Hardware encoding'
Value: Enabled
Metric: [Encoder_Latency] 150ms
Metric: [Host_CPU] 40%

Question 15mediummultiple choice

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An administrator wants to optimize the startup of applications in a Citrix environment. Which component should be prioritized to reduce the application launch time?

Question 16mediummulti select

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Which TWO of the following settings should be optimized to improve the performance of a high-latency connection in a Citrix environment? (Choose TWO)

Question 17mediummultiple choice

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An administrator notices high CPU utilization on VDA machines during login storms. Which Citrix policy setting should be configured to reduce resource consumption during the initial user session establishment?

Question 18hardmultiple choice

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Refer to the exhibit. An administrator is investigating intermittent performance latency for a remote user. The CLI output shows the session is using 'Thinwire' and the 'LastConnectionFailureReason' is null. What is the next logical step to optimize this user's perceived latency?

Exhibit

Get-BrokerSession -UserName 'CORP\User1' | Select-Object -Property 'SessionProtocol', 'ProtocolType', 'ConnectedViaIp', 'ClientName', 'LastConnectionFailureReason'

Question 19mediummulti select

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Which TWO actions should an administrator take to improve the scalability of a non-persistent VDI environment when using Machine Creation Services (MCS)?

Question 20hardmultiple choice

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Refer to the exhibit. Users report that text appears 'blurry' when scrolling through documents. Which change to the policy would best resolve this while maintaining performance?

Exhibit

Policy Name: 'Graphics_Optimization'
- Display Quality: 'Medium'
- Target Frame Rate: 30
- Hardware Encoding: Enabled
- Build to Lossless: Disabled

Question 21mediummultiple choice

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A Citrix administrator is troubleshooting user sessions that experience choppy audio and sluggish screen redraws when branch-office employees connect to published desktops over a 1.5 Mbps WAN link. The administrator confirms that the VDA hosts have ample CPU and memory headroom and that the network link is not saturated. Which action should the administrator take to improve the user experience for these sessions without upgrading the WAN circuit?

Question 22hardmultiple choice

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An administrator manages a Citrix Virtual Apps and Desktops 7 site with 4000 concurrent users across three resource locations. Users in one location report that published application launches take over 30 seconds, while the same applications launch in under 6 seconds in the other two locations. The administrator confirms that the VDA hosts in the affected location are healthy and that the StoreFront servers are load balanced. Network latency between the affected location and the site database is under 2 ms. Which cause should the administrator investigate first?

Question 23mediummultiple choice

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An administrator manages a Delivery Group of 120 single-session Windows 10 VDAs. During the morning peak, logon times exceed four minutes and the hosting cluster datastore latency climbs above 30 ms. The administrator wants to reduce the read I/O generated by the Machine Creation Services (MCS) provisioned VDAs without changing the master image. Which action best accomplishes this?

Question 24mediummultiple choice

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An administrator is optimizing a Citrix Virtual Apps and Desktops 7 environment for scalability. The environment uses Machine Creation Services (MCS) with a shared storage array. The administrator wants to reduce the storage I/O load generated when multiple non-persistent VDAs are started simultaneously during the morning boot storm. Which MCS feature should the administrator enable to cache the master image on each host and serve read requests locally?

Question 25mediummultiple choice

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An administrator is deploying Citrix Virtual Apps and Desktops 7 in a large environment. Users report that the logon process is slow, and the administrator suspects that the Citrix Profile Management service is not scaling well. Which configuration change should the administrator make to improve profile load times?

Question 26mediummultiple choice

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A Citrix administrator is troubleshooting a site where users on Provisioning Services (PVS) streamed VDAs experience intermittent slow logons and occasional session freezes during peak hours. The PVS servers show heavy write cache activity on the vDisk store, and network utilization on the streaming NICs is consistently above 80 percent. Which action should the administrator take first to improve performance and scalability without redesigning the environment?

Question 27hardmultiple choice

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A Citrix administrator is implementing Citrix Workspace Environment Management (WEM) to improve logon performance in a large environment. Users report that first-time logons are slow, but subsequent logons are fast. Which WEM feature should the administrator configure to address the first-time logon delay?

Question 28hardmultiple choice

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An administrator is designing a Citrix Virtual Apps and Desktops 7 solution for a large call center with 500 concurrent users. The administrator needs to ensure that the logon process is as efficient as possible and that profile data is not a bottleneck. The organization uses Microsoft roaming profiles with folder redirection. Which Citrix profile management feature should the administrator implement to improve logon performance by streaming profile data on demand?

Question 29mediummultiple choice

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An administrator is troubleshooting performance issues in a Citrix Virtual Apps and Desktops 7 environment. Users on a specific Delivery Group report that applications launch slowly, and the administrator notices high CPU usage on the VDA hosts. After analysis, the administrator determines that a custom application is causing excessive CPU spikes. Which Citrix feature should the administrator use to limit the CPU usage of this application?

Question 30mediummultiple choice

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A Citrix administrator manages a Delivery Group of 40 Windows Server 2019 VDAs hosting published desktops. During peak morning logons, users report that sessions take over 90 seconds to reach the desktop, and vSphere performance charts show sustained high write latency on the shared datastore hosting the vDisk files. The administrator wants to reduce the write I/O generated during the logon storm without changing the master image or user profiles. What should the administrator configure?

Question 31mediummulti select

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An administrator is optimizing a Citrix Virtual Apps and Desktops 7 environment for scalability. The environment uses Machine Creation Services (MCS) with a shared storage array. The administrator wants to reduce the storage I/O load during the morning boot storm. Which two actions should the administrator take? (Choose two.)

Question 32mediummulti select

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An administrator is optimizing a Citrix Virtual Apps and Desktops 7 environment for scalability. The environment uses Citrix Workspace Environment Management (WEM) to improve performance. The administrator wants to reduce the time it takes for applications to launch for users. Which two WEM features should the administrator configure? (Choose two.)

Question 33easymultiple choice

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A Citrix administrator is optimizing a Virtual Apps and Desktops environment for scalability. The administrator wants to reduce the amount of network traffic generated by HDX graphics when users access resource-intensive applications over a high-latency WAN link. Which HDX policy setting should the administrator enable to achieve this?

Question 34hardmultiple choice

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A Citrix administrator is troubleshooting a Delivery Group of 60 multi-session Windows Server 2019 VDAs. Users report that published applications launch slowly only during the first 30 minutes after each VDA is rebooted, and then performance returns to normal. The administrator suspects the issue is related to the Windows Superfetch / SysMain service and the antivirus agent performing full scans after boot. The administrator wants to reduce this post-boot I/O contention on the VDA without disabling antivirus protection. Which action should the administrator take?

Question 35mediummulti select

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A Citrix administrator is designing a new Virtual Apps and Desktops environment that must support 2,000 concurrent users with high scalability. The administrator needs to ensure that the environment can handle peak loads without performance degradation. Which two actions should the administrator take to optimize scalability? (Choose two.)

Question 36hardmultiple choice

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A Citrix administrator is troubleshooting performance issues in a Virtual Apps and Desktops environment. Users report that sessions become sluggish after they have been connected for several hours, and the VDA hosts show increasing memory usage over time. The administrator suspects that a specific application is leaking memory. Which Citrix feature should the administrator use to identify the application and mitigate the issue?

Question 37hardmulti select

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A Citrix Administrator is tuning a Delivery Group of Server OS VDAs for a call center with 200 concurrent users per host. Users report that published applications feel sluggish when many sessions are active, and CPU ready time on the hypervisor is high. Which two actions should the administrator take to improve scalability and user density without degrading the user experience? (Choose two.)

Question 38hardmultiple choice

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An administrator manages a Citrix Virtual Apps and Desktops environment with Provisioning Services. During a large-scale image update, many target devices fail to boot and report that they cannot contact the PVS server. The PVS server logs show high network traffic on the streaming NIC. Which action should the administrator take to improve scalability and reliability of the streaming service?

Question 39mediummultiple choice

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A Citrix Administrator is troubleshooting a non-persistent pooled machine catalog where random VDAs fail to register with the Delivery Controllers after a reboot. The VDAs are provisioned using Citrix Provisioning (PVS) and use a write-back cache on a local disk. Which action should the administrator take to resolve the registration failures?

Question 40mediummultiple choice

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An administrator is optimizing a Citrix Virtual Apps and Desktops environment for remote users who connect over high-latency WAN links. Users complain that graphics-intensive applications redraw slowly and that scrolling in documents is jerky. The administrator wants to improve the user experience without increasing bandwidth consumption significantly. Which HDX policy setting should the administrator configure?

Question 41mediummulti select

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A Citrix Administrator is designing a new Virtual Apps and Desktops environment that must support 5000 concurrent user sessions with high scalability. The administrator plans to use Machine Creation Services (MCS) for provisioning. Which two storage considerations should the administrator address to optimize performance and scalability? (Choose two.)

Question 42easymultiple choice

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A Citrix Administrator is configuring a new Delivery Group for a group of users who need access to published applications. The administrator wants to ensure that the environment can scale to support additional users without degrading performance. Which setting should the administrator configure to control the maximum number of sessions per VDA?

Question 43hardmulti select

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An administrator is optimizing a Windows 10 VDI environment for better density. Which TWO actions should the administrator perform to improve scalability? (Choose two)

Question 44mediummultiple choice

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An administrator observes that CPU utilization remains high on the VDA even when users are idle. What should be the first area of investigation?

Question 45mediummultiple choice

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Which action significantly improves user logon performance in a Citrix environment using roaming profiles?

Question 46hardmulti select

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Which THREE factors most heavily influence VDA scalability in a multi-user XenApp environment? (Choose three)

Question 47mediummultiple choice

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To optimize disk space and performance, which type of storage should an administrator use for non-persistent machine catalogs?

Question 48hardmultiple choice

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Refer to the exhibit. An administrator is analyzing performance metrics for a XenApp server. What is the primary bottleneck?

Exhibit

CPU Utilization: 90%
Disk Queue Length: 15
Memory Available: 500MB
User Session Count: 60

Question 49mediummultiple choice

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Which Citrix feature should be configured to ensure that critical applications receive the necessary CPU resources on a multi-user VDA?

Question 50mediummultiple choice

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An administrator is managing a Citrix environment and wants to optimize the protocol efficiency for a mix of office-based and mobile users. Which feature should be used to ensure the best performance based on the specific network type?

Question 51hardmultiple choice

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Refer to the exhibit. The administrator notes that session reconnections are failing when Host-01 is near capacity. What is the most likely cause, and how should it be addressed?

Exhibit

Error Log: [SessionReconnection] Failed to re-establish session due to resource exhaustion.
Metric: [CPU_Load] 98% on Host-01.
Metric: [Memory_Load] 95% on Host-01.
Setting: [Max_Sessions_Per_Host] 100.

Question 52mediummultiple choice

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An administrator needs to optimize the VDA storage footprint for a non-persistent pooled desktop environment. Which strategy is most effective?

Question 53mediummultiple choice

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An administrator is planning for a VDA rollout and needs to ensure that the user experience remains consistent during peak usage. What is the correct approach to setting up load management?

Question 54mediummultiple choice

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An administrator notices that the 'Citrix User Profile Service' is consuming excessive CPU on VDAs. Which action should be performed to resolve this?

Question 55easymultiple choice

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An administrator identifies that a specific application is causing high CPU spikes on the VDA. Which Citrix feature can be used to limit the CPU resources available to this specific process?

Question 56mediummultiple choice

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A Citrix administrator manages a Delivery Group of 200 pooled, non-persistent Windows 10 VDAs. Users report random session disconnects and slow logons during peak hours. In Citrix Studio, the administrator notices that the 'Connection' and 'Logon' performance metrics in Director show high latency, and the hosting infrastructure's datastore latency is consistently above 20 ms. Which action should the administrator take first to improve VDA performance?

Question 57easymultiple choice

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An administrator is configuring a new Citrix Virtual Apps and Desktops environment for a call center with 500 users. The users access a set of published applications that are resource-intensive. The administrator wants to ensure that the environment can scale to handle peak loads without over-provisioning hardware. Which Citrix feature should the administrator use to dynamically adjust the number of powered-on machines based on user demand?

Question 58mediummultiple choice

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An administrator supports a Citrix Virtual Apps and Desktops 7 environment where the Delivery Controller database is hosted on a dedicated Microsoft SQL Server instance. During the morning logon peak, the Controller takes over 45 seconds to respond to brokering requests, and the SQL Server shows sustained 90% CPU with heavy read activity against the monitoring data tables. The administrator must reduce the database load without redesigning the site. Which action should the administrator take?

Question 59hardmultiple choice

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A Citrix administrator is troubleshooting a Delivery Group of pooled Windows 10 VDAs where users report that published applications take 45-60 seconds to appear after clicking the icon, even though the VDA hosts show low CPU and memory. The administrator suspects profile-related delays. Which action should the administrator take first to isolate the cause?

Question 60mediummultiple choice

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An administrator is troubleshooting performance issues in a Citrix Virtual Apps and Desktops 7 environment. Users report that applications are slow to launch, and the administrator notices high CPU utilization on the VDA machines. After analysis, the administrator determines that the Citrix Workspace Environment Management (WEM) agent is consuming excessive CPU. Which WEM feature should the administrator adjust to reduce CPU usage while maintaining application optimization?

Question 61hardmultiple choice

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An administrator is optimizing a Citrix Virtual Apps and Desktops 7 environment for scalability. After enabling 'Session Recording' for compliance, users on pooled VDAs report increased logon times and higher resource consumption. The administrator needs to reduce the impact of Session Recording on VDA performance. Which action should the administrator take?

Question 62hardmultiple choice

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An administrator manages a Citrix Virtual Apps and Desktops environment with multiple Delivery Groups. Users in the 'Finance' Delivery Group report that published applications launch slowly only during the first 30 minutes of the workday, while users in other groups are unaffected. The administrator observes that the Finance VDAs show high CPU and disk queue length during that period. Which Citrix feature should the administrator configure to reduce the impact of this boot storm on the Finance VDAs?

Question 63hardmultiple choice

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An administrator is using Citrix Workspace Environment Management (WEM) to optimize performance in a Citrix Virtual Apps and Desktops 7 environment. Users report that applications take a long time to launch. The administrator wants to reduce application launch times by pre-launching commonly used applications. Which WEM feature should the administrator configure?

Question 64easymultiple choice

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An administrator is reviewing a Citrix Virtual Apps and Desktops 7 site where users connect through Citrix Gateway. Users report that their sessions disconnect when they move between wireless access points in the office. The administrator wants to keep sessions alive during these brief network interruptions without requiring users to reauthenticate. Which Citrix Gateway setting should the administrator configure?

Question 65hardmulti select

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An administrator is preparing a Citrix Virtual Apps and Desktops 7 environment for a large-scale rollout of 500 non-persistent pooled VDAs. During a pilot, the administrator observes that the shared storage array reaches 100 percent utilization during the morning boot storm, causing slow logons. The administrator wants to reduce the storage I/O impact of the boot storm. Which two actions should the administrator take? (Choose two.)

Question 66mediummultiple choice

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An administrator is deploying Citrix Profile Management for a pooled VDI catalog on shared storage. Users report that logons take over 60 seconds and the storage array shows heavy random read activity during morning logon storms. Which configuration in the Profile Management policy should the administrator enable to reduce this I/O load?

Question 67easymultiple choice

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An administrator is configuring a Citrix ADC to load balance traffic to a StoreFront server group. Users occasionally experience failed connections when a StoreFront server becomes unavailable, and the administrator wants the ADC to stop sending new requests to that server while allowing existing sessions to complete. Which ADC feature should the administrator configure?

Question 68hardmultiple choice

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A Citrix Administrator is optimizing a Virtual Apps and Desktops environment for scalability. Users access published applications hosted on Server OS VDAs. The administrator observes that during peak hours, the CPU utilization on the VDAs spikes, and applications become unresponsive. After analysis, it is determined that many users are running a resource-intensive application simultaneously. Which Citrix feature should the administrator implement to limit the CPU consumption of that specific application per session?

Question 69hardmultiple choice

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A Citrix Administrator is troubleshooting performance issues in a Virtual Apps and Desktops environment. Users report that published applications are slow to launch, and the administrator suspects that the issue is related to profile loading. The environment uses Citrix Profile Management. Which action should the administrator take to reduce profile load times and improve application launch performance?

Policy Name: Session_Optimization Setting: 'Optimize performance for high-latency connections' Value: Enabled Setting: 'Wait for printers to be created' Value: Disabled Setting: 'Enable multi-stream ICA' Value: Enabled

Error Log: [SessionReconnection] Failed to re-establish session due to resource exhaustion. Metric: [CPU_Load] 98% on Host-01. Metric: [Memory_Load] 95% on Host-01. Setting: [Max_Sessions_Per_Host] 100.