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QUESTION 55
Scenario:
The company needs to ensure that the provisioning traffic does NOT interfere with the exisiting PXE solution. The Provisioning Services servers will be connected to a 10 Gbps network. How should the architect implement a highly available Provisioning Services server on dedicated VLANs?
A. By installing multiple NICs in one Provisioning Services server in each datacenter
B. By deploying one Provisioning Services server in the primary and one in the secondary datacenter
C. By deploying two Provisioning Services servers in each datacenter
D. By using NetScaler with GSLB to load balance the Provisioning Services servers in each datacenter
Answer: C
QUESTION 56
Scenario:
The company needs to ensure that the provisioning traffic does NOT interfere with the existing PXE solution. The Provisioning Services servers will be connected to a 10 Gbps network. How should the architect implement a highly available Provisioning Services server on dedicated physical switches?
A. By installing multiple NICs in one Provisioning Services server in each datacenter
B. By deploying one Provisioning Services server on a dedicated switch in the primary and secondary datacenters
C. By deploying two Provisioning Services servers on dedicated switches in each datacenter
D. By using NetScaler with GSLB to load balance the Provisioning Services servers on dedicated switches in each datacenter
Answer: B
QUESTION 57
Scenario:
The company needs to ensure that the provisioning traffic does NOT interfere with the exisiting PXE solution. The Provisioning Services servers will be connected to a 10 Gbps network. How should the architect implement a highly available Provisioning Services server by using NetScaler App Firewall?
A. By implementing NetScaler App Firewall policies
B. By deploying GSLB on NetScaler
C. By deploying TFTP load balancing using NetScaler
D. By load balancing Provisioning Services streaming services using NetScaler
Answer: A
QUESTION 58
Scenario:
The company needs to ensure that the provisioning traffic does NOT interfere with the exisiting PXE solution. The Provisioning Services servers will be connected to a 10 Gbps network. How do multi-homed Provisioning Services servers help the company secure streaming traffic?
A. Multiple NICs separate disk and user data traffic.
B. Multiple NICs enable disk data traffic to be encrypted with IPsec.
C. Multiple NICs allow the necessary TCP offload settings to be configured on the streaming NIC.
D. Multiple NICs provide multiple IP addresses that can be dedicated to streaming traffic.
Answer: A
QUESTION 59
Scenario:
The company needs to ensure that the provisioning traffic does NOT interfere with the exisiting PXE solution. The Provisioning Services servers will be connected to a 10 Gbps network. How does using a dedicated VLAN help the company secure streaming traffic?
A. Dedicated VLANs ensure streaming traffic is NOT visible to other VLANs in the datacenter.
B. Dedicated VLANs enable streaming traffic to be encrypted with IPsec.
C. Dedicated VLANs allow the necessary TCP offload settings to be configured on the streaming NIC.
D. Dedicated VLANs provide multiple IP addresses that can be dedicated to streaming traffic.
Answer: A
QUESTION 60
Scenario:
The company needs to ensure that the provisioning traffic does NOT interfere with the existing PXE solution. The Provisioning Services servers will be connected to a 10 Gbps network. How does using a dedicated switch help the company secure streaming traffic?
A. Dedicated switches enable streaming traffic to be encrypted with IPsec.
B. Dedicated switches allow the necessary TCP offload settings to be configured on the streaming NIC.
C. Dedicated switches provide multiple IP addresses that can be dedicated to streaming traffic.
Answer: B
QUESTION 61
Scenario:
The company needs to ensure that the provisioning traffic does NOT interfere with the exisiting PXE solution. The Provisioning Services servers will be connected to a 10 Gbps network. How does using a dedicated switch help the company secure streaming traffic?
A. Dedicated VLANs ensure streaming traffic is NOT visible to other VLANs in the datacenter.
B. Dedicated switches enable streaming traffic to be encrypted with IPsec.
C. Dedicated switches allow the necessary TCP offload settings to be configured on the streaming NIC.
D. Dedicated switches enable isolation of Spanning Tree instances.
Answer: C
QUESTION 62
Scenario:
The company needs to ensure that the provisioning traffic does NOT interfere with the exisiting PXE solution. The Provisioning Services servers will be connected to a 10 Gbps network. How does using NetScaler App Firewall help the company secure streaming traffic?
A. NetScaler App Firewall detects network-based threats at the application layer.
B. NetScaler App Firewall enables streaming traffic to be encrypted with IPsec.
C. NetScaler App Firewall removes the need for Access Control Lists on switches.
D. NetScaler App Firewall enables isolation of streaming traffic from other VLANs.
Answer: D
QUESTION 63
Scenario:
The architect for the company has identified that virtualizing the entire server infrastructure will provide the best return on investment (ROI) and lowest maintenance costs for the new infrastructure. In order to proceed with this recommendation, a monitoring strategy must be put in place to ensure that the virtualization platform does NOT become overloaded. Which virtualization component should an architect monitor to identify virtual desktop bottlenecks?
A. XenServer hosts
B. Delivery Controllers
C. Provisioning Services servers
D. Server OS machines
Answer: A
QUESTION 64
Scenario:
The architect for the company has identified that virtualizing the entire server infrastructure will provide the best return on investment (ROI) and lowest maintenance costs for the new infrastructure. In order to proceed with this recommendation, a monitoring strategy must be put in place to ensure that the virtualization platform does NOT become overloaded. How can the architect identify if the XenServer hosts are the source of a bottleneck?
A. Identify if the CPU consumption is above 85%
B. Identify if memory consumption is above 90%
C. Identify if disk queue length increases above zero
D. Identify if network utilization rises above 50%
Answer: A
QUESTION 65
How can the architect identify if the Delivery Controller is the source of a bottleneck?
A. Identify excessive memory and network utilization.
B. Identify excessive CPU consumption.
C. Identify excessive disk and network I/O.
D. Identify excessive disk I/O and page file utilization.
Answer: B
QUESTION 66
How can the architect identify if the Provisioning Services servers are the source of a bottleneck?
A. Identify excessive CPU and memory consumption.
B. Identify excessive memory and network utilization.
C. Identify excessive CPU and network I/O.
D. Identify excessive disk I/O and page file utilization.
Answer: C
QUESTION 67
How can the architect identify if the server OS machines are the source of a bottleneck?
A. Identify excessive CPU and memory consumption.
B. Identify excessive memory and network utilization.
C. Identify excessive disk and network I/O.
D. Identify excessive disk I/O and page file utilization.
Answer: D
QUESTION 68
Why should CPU consumption above 85% be used to identify bottlenecks?
A. At least 20% of resources should be available at all times.
B. XenServer host CPU utilization above 85% causes excessive context switching.
C. XenServer host reserves 20% of all CPU for context switching.
D. Running XenCenter will consume 20% of all CPU resources.
Answer: A
QUESTION 69
Why should memory consumption above 90% be used to identify bottlenecks?
A. At least 20% of resources should be available at all times.
B. XenServer host CPU utilization above 90% causes excessive paging.
C. XenServer host reserves 20% of all memory for paging.
D. Running XenCenter will consume 20% of all memory resources.
Answer: A
QUESTION 70
Why should disk queue length above zero be used to identify bottlenecks?
A. This indicates excessive I/O and a disk bottleneck.
B. This indicates excessive swap file utilization.
C. This indicates insufficient RAM.
D. This indicates a failed disk.
Answer: A
Explanation:
http://www.ithacks.com/2008/09/12/high-avg-disk-queue-length-and-finding-the-cause/
QUESTION 71
Why should the network utilization rising above 50% be used to identify bottlenecks?
A. This indicates insufficient bandwidth for virtual machines delivered by Provisioning Services.
B. This indicates a saturated network segment.
C. This indicates a failed network switch.
D. This indicates an incorrectly configured router.
Answer: B
QUESTION 72
Why should memory and network utilization be used to identify bottlenecks?
A. High memory and network utilization of the Delivery Controller can indicate a high volume of user logons, indicating that the server may NOT have sufficient resources to handle the load.
B. High memory and network utilization of the Delivery Controller can indicate that the target device will encounter delays when mounting new vDisks.
C. High memory and network utilization of the Delivery Controller may indicate that a high number of processor-intensive applications are being utilized by the virtual desktop users.
D. High memory and network utilization of the Delivery Controller can indicate the presence of a virus or malware.
Answer: A
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