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Detail Form
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1.
An engineer has configured the storage array for single redundancy across all three tiers in the system. A change in business requirements is forcing the engineer to convert from single redundancy to dual redundancy. The engineer is evaluating whether to use the dual redundant RAID 6 with a stripe width of 6 or 10. Why should the engineer choose a stripe width of 10?
2.
An engineer is configuring a storage array in a mixed environment of 10 Gb iSCSI and 16 Gb Fibre Channel. The 10 Gb iSCSI network consists of two separate VLANs and is used for server connectivity. The 16 Gb Fibre Channel network consists of a single fabric and is used to provide high-speed replication connectivity to a secondary storage array for Synchronous Live Volume with Auto Failover. How many fault domains must the engineer configure on the storage array for each network?
3.
An engineer is investigating network congestion on the iSCSI network and finds pause frames are rapidly incrementing on all host and ISL switch ports, but NOT on the array switch ports. All switch ports are configured for both send and receive flow control. What should the engineer conclude?
4.
During failover testing, an engineer finds that the iSCSI connection failed over properly when a physical link was disconnected. The FC connection did NOT failover when a physical link was disconnected. Which configuration is causing this issue?
5.
An engineer needs to physically install a two-port FC IO card. Which steps should the engineer follow to perform this task?
6.
Flex ports are enabled to add redundant paths for existing iSCSI hosts. A new VLAN is created with identical settings. The network administrator reports high retransmits on all newly added paths. Which best practice configuration is missing?
7.
An administrator has multiple servers that need to be connected to the Storage Center through two iSCSI networks. The engineer uses a software iSCSI initiator on the servers. The Storage Center runs in Virtual Port mode. What item(s) must the administrator know to connect the hosts to the Storage Center?
8.
An engineer is installing an SC4020 with four fibre channel (FC) ports in each controller and two FC switches configured in a dual fabric. The replication ports on the controller will be used only to replicate data to another Storage Center. How many fault domains are required in Virtual Port mode?
9.
The engineer notices that iSCSI servers are NOT performing as expected. After reviewing the graphics, the engineer identifies high latency due to an excessive number of retransmits. What is causing the performance issue?
10.
An engineer is testing controller failover on a newly installed Storage Center. Which process should the engineer use?