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Which of the following provides the MOST redundancy for a corporate server network?（）
- A、Server-to-server replication
- B、Server clustering
- C、Hot site
- D、Disk-to-disk replication
参考答案
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单选题Which of the following offers the MOST redundancy for a system but is also very costly？ （）A
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单选题Which of the following provides the MOST redundancy for a corporate server network?（）A
Server-to-server replicationB
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Hot siteD
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单选题Which unique characteristics of the Data Center Aggregation layer must be considered by an Enterprise Campus designer？（）A
Layer 3 routing between the Access and Aggregation layers facilities the ability to span VLANsacross multiple access switches， which is a requirement for many server virtualization andclustering technologies.B
“East-west” server-to-server traffic can travel between aggregation modules by way of the core，but backup and replication traffic typically remains within an aggregation module.C
Load balancing， firewall service， and other network service are commonly integrated by the useof service modules that are inserted in the aggregation switched.D
Virtualization tools allow a cost effective approach for redundancy in the network design byusing two or four VDCs from the same physical switch.
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单选题A server has five hot pluggable SCSI disk drives in a RAID 5 array. The server OS crashed and the server will not boot. The administrator noticed that all of the disk drives have gone offline. Which of the following components would MOST likely have caused the problem？（）A
MemoryB
SCSI backplaneC
SCSI drivesD
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单选题Which of the following is the advantage of Server to Server replication in a cluster environment over Disk to Disk？（）A
Reduced network trafficB
Frequent BIOS updates are not requiredC
Backup agent does not need to be installedD
Provides greater overall fault tolerance
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Cold siteB
Warm siteC
GFSD
Hot site
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Hot siteB
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Disk-to-disk replication in the same serverD
Warm site
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单选题Which of the following provides the MOST redundancy for a corporate server network？（）A
Server-to-server replicationB
Server clusteringC
Hot siteD
Disk-to-disk replication
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