Scenario:
CGE's CIO asks a Citrix Architect to design a new Provisioning Services environment. Management asks about best practices for storing master images to ensure scalability, performance, and high availability. Which solution should the architect recommend?
A. Configure a shared storage location (CIFS) on a Windows File Server for each regional datacenter.
B. Configure an iSCSI LUN on a Storage Area Network (SAN) for each Provisioning Services server.
C. Configure an iSCSI LUN on a Network Attached Storage (NAS) device for each Provisioning Services server.
D. Configure a shared storage location (CIFS) on a Network Attached Storage (NAS) device.
Why is a design with 12 NetScaler appliances, in which each datacenter deploys an HA pair in the internal network for load balancing and an HA pair in the DMZ for Gateway traffic, the best remote access design?
A. It allows end users to connect to their primary datacenter through a secure, reliable, and cost-effective solution.
B. It provides redundancy, while optimizing external WAN traffic.
C. It segments the Gateway and load-balancing features of the NetScaler appliances.
D. It allows for the expected expansion of remote access usage and provides SSL VPN functionality for future needs.
Why would the architect choose active-active bonding when configuring network interfaces for storage networks?
A. It provides load balancing of VM traffic across multiple physical NIC interfaces at a per guest basis, and offers improved distribution of traffic across physical interfaces in the bond.
B. It sends all guest VM traffic in the bond to an active interface, which provides the best distribution of network load.
C. It uses a hashing algorithm, which provides better distribution of traffic across the interfaces in the bond.
D. It uses a round robin load-balancing policy, which provides better distribution of traffic across the interfaces in the bond.
How should the architect configure high availability (HA) on a NAS device share so that Provisioning Services has constant access to Provisioning Services images?
A. By using storage replication between multiple NAS devices
B. By using Distributed File Services Replication (DFSR) between multiple NAS devices.
C. By using DNS Round Robin.
D. By using XenServer with HA enabled.
How should the architect configure high availability (HA) on a XenServer VM to support an iSCSI NAS?
A. Connect a minimum of two network interface cards from the XenServer to the iSCSI storage network and create a NIC bond.
B. Connect a minimum of two network interface cards from the XenServer to the iSCSI storage network and enable Asymmetric Logical Unit Assignment (ALUA).
C. Connect a minimum of two network interface cards to the iSCSI storage network, each on a different Layer 3 network, run the HBA configuration utility, and verify that both can access the iSCSI storage array.
D. Connect a minimum of two network interface cards to the iSCSI storage network, each on a separate Layer 3 network, and enable XenServer Multipathing.
Why is deploying four NetScaler appliances - two in the primary and two in the secondary datacenter with a NetScaler virtual server binded to a redirection policy, the best remote access design?
A. It allows end users to connect to their primary datacenter through a secure, reliable, and cost-effective solution.
B. It provides redundancy, while optimizing external WAN traffic.
C. It segments the Gateway and load-balancing features of the NetScaler appliances.
D. It allows for the expected expansion of remote access usage and provides SSL VPN functionality for future needs.
Why would the architect choose XenServer MPIO when configuring network interfaces for storage networks?
A. It provides load balancing of VM traffic across multiple physical NIC interfaces at a per guest basis, and offers improved distribution of traffic across physical interfaces in the bond.
B. It sends all guest VM traffic in the bond to an active interface, which provides the best distribution of network load.
C. It uses a hashing algorithm, which provides better distribution of traffic across the interfaces in the bond.
D. It uses a round robin load-balancing policy, which provides better distribution of traffic across the interfaces in the bond.
Why is a design with 12 NetScaler appliances, in which each datacenter deploys an HA pair in the internal network for Gateway traffic and an HA pair in the DMZ for load balancing, the best remote access design?
A. It allows end users to connect to their primary datacenter through a secure, reliable, and cost-effective solution.
B. It provides redundancy, while optimizing external WAN traffic.
C. It segments the Gateway and load-balancing features of the NetScaler appliances.
D. It allows for the expected expansion of remote access usage and provides SSL VPN functionality for future needs.
Why is configuring an iSCSI LUN on a NAS the best design choice for vDisk storage?
A. It is the least expensive solution.
B. It is a highly scalable and resilient solution.
C. It creates the least amount of administrative overhead.
D. It reduces the system footprint.
Scenario:
Each XenServer hypervisor host is configured with four 10GB NICS - two dedicated for storage and two bonded for guest VM networks and management separated by VLAN. The CIO would like to see network traffic distributed across all links to maximize the utilization of each link. All switches support 802.3ad and adaptive load balancing.
How should the architect configure the guest VM network?
A. Using active-active bonding
B. Using active-passive bonding
C. Using XenSever MPIO redundancy
D. Using LACP bonding
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