单项选择题

Tiered disk systems （DS8700 and DS5020）， tape backup and Cisco director（s） utilizing VSANs have been proposed as a solution. The storage specialist is asked to explain the technical
advantage of using Cisco directors and VSANs.
Which of the following is the key point to stress to the customer（）

A.a single director and VSANs provides redundant fabrics at reasonable cost
B.prevent disk and tape traffic from sharing a host port
C.ease of implementation of Administrative Domains
D.ability to easily create a DS8700 LPAR to send data directly to tape

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热门试题

单项选择题A customer has a wide range of IBM enterprise disk systems and wants to manage copy services functions. Which of the products should the storage specialist recommend to this customer（）

A.DS Hardware Management Console （HMC）， because it manages ESS 800， DS6000， DS8000， and SVC storage servers
B.Tivoli Storage Productivity Center for Data， because it manages ESS 800， DS6000， DS8000， and SVC storage servers
C.Tivoli Storage Productivity Center for Replication， because it manages ESS 800， DS6000， DS8000， and SVC storage servers
D.External DS Hardware Management Console （HMC）， because it manages ESS 800， DS6000， DS8000， and SVC storage servers

单项选择题WhatisabenefitofstoragevirtualizationtechnologyintheIBMSystemStorageDS8800（）

A.fewer expansion units are needed
B.multiple workloads can be managed separately
C.resource isolation is eliminated
D.Linux can run in LPAR mode

单项选择题WhichofthefollowingstatementaboutDS8000harddrivetechnologyiscorrect（）

A.All types of the 2.5" disk drives offered by the DS8800 system have higher performance than the 3.5" disk drives supported by DS8700
B.The 2.5" disk drives included on the DS8800 support 6Gbps SAS； the 3.5" disk drives in DS8700 are 4 Gbps FC
C.The 2.5" disk drives included on the DS8800 support 8Gbps SAS； the 3.5" disk drives in DS8700 are 4 Gbps FC
D.The 2.5" 15k rpm drives offered by the DS8800 system support 6Gbps SAS-2

单项选择题A customer has an EMC Symmetrix DMX-4 installed. The disk subsystem is coming off lease. The customer is considering an IBM System Storage DS8800. What is a key advantage of the DS8800（）

A.The DS8800 has a higher disk RPM than the Symmetrix DMX-4
B.The DS8800 has higher capacity with more efficient footprint than the Symmetrix DMX-4
C.The DS8800 supports FlashCopy for internal array replication
D.The DS8800 supports external virtualization

单项选择题WhichisabenefitofusingtheIBMDS8000FlashCopySE（PTC-SE）（）

A.FlashCopy SE （PTC-SE） is much faster than the traditional DS8000 full-volume FlashCopy
B.FlashCopy SE （PTC-SE） also supports background copy
C.FlashCopy SE （PTC-SE） is optimized for use in cases where a high percentage of the source volume is updated during the life of the relationship
D.the additional capacity required forFlashCopy SE （PTC-SE） must only be planned for data which is changed on the source volume during host I/O transaction