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单选题
Which data synchronization options between two geographical locations are supported by PowerHA SystemMirror?（）
A
Parallel and Serial
B
Serial and Asynchronous
C
Parallel and Synchronous
D
Synchronous and Asynchronous
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单选题You have two EBGP peers connected via two parallel serial lines. What should you do to be able to load-balance between two EBGP speakers over the parallel serial lines in both directions？ （）A
nothing，BGP automatically load-balances the traffic between different autonomous systems on all available linksB
peer between the eBGP speaker’s loopbacks， configuring eBGP multihop as required， and use an IGP to load-share between the two equal-cost paths between the loopback addressesC
configure a loopback as update source for both EBGP peers and have on each AS an IGP to introduce two equal-cost paths to reach the EBGP peer loopback address；it is also necessary to use the next-hop-self commandD
use the ebgp-load-balance command on the neighbor statement on both sidesE
configure a loopback as update source for both EBGP peers and have on each AS an IGP to introduce two equal-cost paths to reach the peer loopback address；it is also necessary to use the ebgp-multihop and next-hop-self commands
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单选题Which IBM software technology is a key component of SONAS?（）A
PowerHA B
Tivoli Storage Manager (TSM)C
Tivoli Productivity Center (TPC) D
General Parallel File System (GPFS)
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Use the Geographic Logical Volume Manager （GLVM） for MetroMirror， and Live Partition Mobility to automate partition migration upon failureB
Use MetroMirror for the AIX volumes and High Availability Disaster Recovery （HADR） to automate partition migration and restart upon failure.C
Use the Geographic Logical Volume Manager （GLVM） for MetroMirror to replicate the data between the two sites and automate application recovery.D
Use MetroMirror for the AIX volumes， and PowerHA SystemMirror Enterprise Edition to automate failover of MetroMirror pairs and automate application recovery.
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单选题The distance between any two meridians measured along a parallel of latitude and expressed in miles is the （）.A
difference in longitudeB
mid-longitudeC
departureD
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单选题A global customer’s IT strategy is based upon two DS8000 systems and an N series gateway. They want to protect their business by implementing a disaster recovery solution. The storage specialist has recommended cascaded mirroring. Which of the following is the business benefit of cascaded replication（）A
it is cost efficient， as a single N series or DS8000 can have its controllers split between the primary and secondary site and use semi- synchronousmirroring while using asynchronous mirroring to a third siteB
the second site acts as a repeater station so that greater geographical distances can be achievedC
ITprovides high availability together with disaster recovery by implementing Metro/Global Mirror across three geographically dispersed systemsD
it guarantees data protection by implementing two synchronous copies of the primary site data
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