单选题A customer is planning on establishing a Global Mirror between two Storwize V7000 storagearrays. The customer is planning to lease an IP WAN connection between sites for the tasks andis running a SAP （database） application on Oracle. Which of the follo

第1题：

Which two features prevent routing loops between the OSPF sites of a customer when the sites aremultihomed or a backdoor link is used between the sites？ （）

• A、sham link
• B、down bit
• C、virtual link
• D、Site of Origin
• E、domain tag

第2题：

While discussing the customer’s environment the storage specialist discovers that the customerhas both Windows and UNIX servers running various applications. The customer is looking for acost effective 10 TB solution that includes a mirrored site to meet their Disaster Recovery plan.Which of the following solutions should be recommended？（）

• A、DS5020 system running Metro Mirror and Volume Copy
• B、Storwize V7000 running FlashCopy and Volume Copy
• C、DS5020 system runningFlashCopy and Enhanced Remote Mirror
• D、DS5300 system runningFlashCopy and Enhanced Remote Mirror

第3题：

A customer has two separate storage networks and is planning to implement an SVC to provide for FlashCopy between the two networks. What is the minimum number of ISL ports required?（）

• A、0
• B、1
• C、2
• D、4

第4题：

A customer has two single cluster IBM TS7700 Virtualization Engines at the same site. The customer wants to move one to a remote site and set up a grid configuration with the two clusters. The customer has fibre between the two sites. What is the most important factor to consider when planning the new configuration?（）

• A、operator training
• B、cache size of the two clusters
• C、fibre bandwidth capability between the sites
• D、number of stacked tape drives attached to each cluster

第5题：

A customer has two sites located 500 kilometers apart. The customer has both a high-speedInternet link and dark fiber between the sites. The customer wants to utilize storage resources ateither site leveraging replication for disaster recovery implementations. The customer wants to linkthese two sites together. Which option provides the highest performance and is most reliable？（）

• A、iFCP router
• B、FCIP router
• C、DWDM and CWDM
• D、LC multi-mode 50 micron fiber

第6题：

A customer is planning a PowerHA cluster split across two sites. The sites are located 10km apart. There is aDS8000 storage array at each site with SAN connectivity between the two arrays. There are only enough IPinterfaces for one IP network in this cluster. How can they ensure that disk data is automatically mirrored and synchronized between sites？（）

• A、Purchase PowerHA/XD license
• B、Purchase PowerHA with GLVM license
• C、Implement PowerHA with split-site LVM
• D、Implement PowerHA with cross-site LVM

第7题：

A customer is cost-justifying advanced software functions of several disk subsystem vendors.Which of the following software features of the Storwize V7000 are provided at no charge?（）

• A、Easy Tier, FlashCopy, Thin Provisioning 
• B、Easy Tier, External Virtualization, FlashCopy 
• C、Easy Tier, Metro/Global Mirror, Thin Provisioning 
• D、Metro/Global Mirror, FlashCopy, External Virtualization

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第13题：

The network administrator must complete the connection between the RTA of the XYZ Company and the service provider. To accomplish this task, which two devices could be installed at the customer site to provide a connection through the local loop to the central office of the provider (Choose two.)（）。

• A、WAN switch
• B、PVC
• C、ATM switch
• D、multiplexer
• E、CSU/DSU
• F、modem

第14题：

A customer is performing a cost justification of advanced software functions for several disksubsystem vendors. Which of the following software features of the Storwize V7000 arechargeable?（）

• A、Easy Tier, FlashCopy 
• B、FlashCopy, External Virtualization 
• C、Metro/Global Mirror, Thin Provisioning 
• D、External Virtualization, Metro/Global Mirror

第15题：

The SCTP layer in the C7 signalling protocol stack is responsible for which of the following:（）

• A、Establishing a signaling channel between two signaling entities in an ATM network
• B、Provide reliable connection for signaling between two IP signaling nodes
• C、Provide routing for IP signaling messages in an IP signaling network

第16题：

A customer needs a remote data copy， data migration， and off-site backup solution. The solution cannot impact application performance. The sites are over continental distances.  Which  characteristic of DS8700 Global Mirror makes it a good fit for this customer（）

• A、it provides synchronous mirroring on both sides
• B、it can be implemented withoutFlashCopy volumes at the target site
• C、with Global Mirror， the Metro Mirror functions can be used over continental distances
• D、it has almost no impact on application performance because of its extremely short and adjustable coordination time

第17题：

A customer is planning on establishing a Global Mirror between two Storwize V7000 storagearrays. The customer is planning to lease an IP WAN connection between sites for the tasks andis running a SAP （database） application on Oracle. Which of the following planning considerationsis most important？（）

• A、the distance between sites needs to be less than 100 kilometers
• B、consistency groups should be created to maintain write order on the remote mirror
• C、ensure sufficient bandwidth exists on the link based on average application workloads
• D、ensuring a low round trip latency of less than 30ms on the WAN connection is required

第18题：

A financial customer has three data centers that are approximately five kilometers apart. Their SAP application data needs to be kept synchronized within 10 milliseconds between the three sites. Which of the following solutions satisfies the customer's recovery time objective?（）

• A、DS8700 systems at each site running Metro Mirror
• B、DS5300 systems at each site running Metro Mirror
• C、DS5100 systems at each site running Global Mirror
• D、XIV systems at each site running synchronous mirroring

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