2014年2月23日星期日

気楽にEMC E20-520認定試験に受かるコツを知りたいのか

JapanCertを通じて最新のEMCのE20-520試験の問題と解答早めにを持てて、弊社の問題集があればきっと君の強い力になります。

JapanCertにIT業界のエリートのグループがあって、彼達は自分の経験と専門知識を使ってEMC E20-520認証試験に参加する方に対して問題集を研究続けています。君が後悔しないようにもっと少ないお金を使って大きな良い成果を取得するためにJapanCertを選択してください。JapanCertはまた一年間に無料なサービスを更新いたします。

EMCのE20-520認定試験は業界で広く認証されたIT認定です。世界各地の人々はEMCのE20-520認定試験が好きです。この認証は自分のキャリアを強化することができ、自分が成功に近づかせますから。EMCのE20-520試験と言ったら、JapanCert のEMCのE20-520試験トレーニング資料はずっとほかのサイトを先んじているのは、JapanCert にはIT領域のエリートが組み立てられた強い団体がありますから。その団体はいつでも最新のEMC E20-520試験トレーニング資料を追跡していて、彼らのプロな心を持って、ずっと試験トレーニング資料の研究に力を尽くしています。

JapanCertのE20-520問題集は的中率が高いですから、あなたが一回で試験に合格するのを助けることができます。これは多くの受験生たちによって証明されたことです。ですから、問題集の品質を心配しないでください。これは間違いなくあなたが一番信頼できるE20-520試験に関連する資料です。まだそれを信じていないなら、すぐに自分で体験してください。そうすると、きっと私の言葉を信じるようになります。

試験番号:E20-520問題集
試験科目:EMC 「Calriion solutions specialist exam」
最近更新時間:2014-02-22
問題と解答:520

JapanCert提供した商品の品質はとても良くて、しかも更新のスピードももっともはやくて、もし君はEMCのE20-520の認証試験に関する学習資料をしっかり勉強して、成功することも簡単になります。

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NO.1 Which object would maintain the changes to a source LUN in the event a MirrorView/S configuration
suffered a link outage followed by an SP trespass?
A.Metavolume
B.Fracture log
C.Write intent log
D.Clone private LUN
Answer:C

EMC練習問題   E20-520   E20-520認定証   E20-520   E20-520

NO.2 Should a SnapView session stop automatically, what will happen to the running sessions?
A.All sessions pointing to the clone will fail over to SP B and continue to write.
B.All sessions running on the source LUN will be terminated.
C.Host buffers will be flushed and sessions restarted.
D.All memory mapping entries will be saved to the COFW log.
Answer:A

EMC   E20-520認定試験   E20-520参考書   E20-520認定試験   E20-520認証試験

NO.3 The primary image of a MirrorView/S mirror set has trespassed from SPA to SPB on the primary
array.Which SP now owns the secondary image?
A.ALUA determines ownership
B.SPA on the secondary array
C.Neither SPA or SPB
D.SPB on the secondary array
Answer:D

EMC認定資格   E20-520認証試験   E20-520問題集   E20-520過去問

NO.4 What is the process for flagging source LUNs?
A.Snapshots are created, changing the LUN's state.
B.Via GUI interface or CLI the state change bit is switched.
C.The PSM LUN is set to "source."
D.Via Navisphere Analyzer the FLARE LUN is changed to a PSM LUN.
Answer:A

EMC   E20-520認証試験   E20-520

NO.5 A customer starts four SnapView sessions on a source LUN. The sessions are scheduled to start at
8:00 A.M., 12:00 P.M., 4:00 P.M., and 8:00 P.M. At 5:15 P.M. the reserved LUN pool runs out of
space.What will happen next?
A.Most recently allocated reserved LUN will be released.
B.Reserved LUN allocated first will be released.
C.Space used by all sessions on the source LUN will be released.
D.Space used by the session that performed the most recent write will be released.
Answer:D

EMC問題集   E20-520   E20-520練習問題

NO.6 If a customer wants to present a secondary image LUN of a MirrorView/S mirror set to a host, what
must they do first?
A.The primary image must be removed from the mirror set.
B.The secondary image must be placed in the host storage group.
C.The secondary image must be removed from the mirror set or the secondary image promoted to a
primary image.
D.The secondary image must be fractured from the mirror set or the secondary image promoted to a
primary image.
Answer:C

EMC認証試験   E20-520   E20-520   E20-520   E20-520

NO.7 Which best describes the MirrorView/A replication process?
A.A write is received, tracked in the SAN Copy delta set mechanism, transmitted to the secondary array.
B.A write is received, tracked in the fracture log, transmitted to the secondary array.
C.A write is received, tracked in the SnapView private LUN, transmitted to the secondary array.
D.A write is received, tracked in the write intent log, transmitted to the secondary array.
Answer:A

EMC認定証   E20-520認定資格   E20-520過去問   E20-520問題集

NO.8 Which device is enabled by default when creating a mirror set in a MirrorView/S environment on a
CX4-120 with FLARE 28?
A.Write intent log
B.Reserved LUN pool
C.Secondary Image
D.Clone private LUN
Answer:B

EMC参考書   E20-520   E20-520過去問

NO.9 A storage administrator wants to use a point-in-time copy of a production LUN for testing and possibly
keep any changed data from that copy. The administrator's goal is to minimize the performance impact on
the production LUN as well as use the point-in-time copy for restoring their data.What is the extent size for
this LUN?
A.Use a clone and promote it as needed
B.Use a clone and reverse-synchronize as needed
C.Use a snapshot of a clone and roll back as needed
D.Use a snapshot and deactivate command to make changes permanent on the production LUN
Answer:B

EMC認定試験   E20-520練習問題   E20-520

NO.10 In a MirrorView/S environment, a primary image is owned by SPA on the primary array. Which SP must
own the secondary image on the secondary array within the same mirror set?
A.Either SP on the secondary array
B.SPB on the secondary array
C.SPA on the secondary array
D.It is marked as a private LUN on the secondary array
Answer:C

EMC問題集   E20-520認定試験   E20-520過去問   E20-520

NO.11 Which statement describes the operation of the reserved LUN pool?
A.LUN IDs of reserved LUNs in the reserved LUN pool can only be between 2048 and 4096.
B.All reserved LUNs must be the same size, on FC disks, and have the same RAID type.
C.Separate reserved LUN pools are required for SnapView, Incremental SAN Copy, and MirrorView/A.
D.Reserved LUN pool is shared between SnapView, Incremental SAN Copy, and MirrorView/A.
Answer:D

EMC   E20-520   E20-520   E20-520認証試験

NO.12 What happens when a snapshot is deactivated?
A.The snapshot becomes inaccessible to the primary host.
B.The SnapView session ends.
C.The snapshot becomes inaccessible to the secondary host.
D.All metadata is removed from the SP.
Answer:C

EMC   E20-520   E20-520参考書

NO.13 Which statement applies when the Protected Restore option is enabled on a clone?
A.Once the reverse synchronization is complete, the clone is fractured.
B.All SnapView sessions on the source LUN must be stopped.
C.A clone cannot be marked "dirty" before starting a reverse synchronization.
D.When reverse synchronization is in process, no writes are allowed to the source LUN or clone.
Answer:A

EMC認定証   E20-520認証試験   E20-520   E20-520   E20-520   E20-520

NO.14 What does the fracture log allow?
A.Incremental resynchronization of data
B.Creation of markers for each modified track
C.Capture of persistency errors from the source to target
D.Connectivity failures from both directions
Answer:A

EMC認証試験   E20-520問題集   E20-520

NO.15 The number and size of SnapView pointers have reached memory allocation. What will take place to
adjust to this situation?
A.Pointers will be paged to the reserved LUN as required.
B.128 KB memory chunks will be added until the memory usage has been satisfied.
C.Pointers will be paged to and from the reserved LUN as required in 512 KB chunks.
D.An additional reserve LUN will be required.
Answer:C

EMC参考書   E20-520過去問   E20-520練習問題   E20-520   E20-520練習問題

NO.16 What CLARiiON is needed to meet a customer's requirement for their MirrorView/S environment that
will have 50 consistency groups?
A.CX4, FLARE 22
B.CX4, FLARE 28
C.CX3, FLARE 26
D.CX3, FLARE 28
Answer:B

EMC   E20-520   E20-520   E20-520問題集   E20-520

NO.17 A customer intends to use clones in their environment. They are concerned about the usability of clone
data.They ask about the result of removing a clone from a clone group.Which statement describes the
result of that operation?
A.Clone LUN may be used for reverse-synchronization operations.
B.Clone LUN may be used for synchronization operations.
C.Data on the clone LUN is flagged in the clone private LUN.
D.Data on the clone LUN is not affected and may be used by a host.
Answer:D

EMC問題集   E20-520   E20-520認定試験

NO.18 A storage administrator tries to create a clone group on a CLARiiON CX4 and receives an error
message that stops the clone group from being created.What could be a possible cause?
A.MirrorView has not been configured.
B.Population latency has not been configured.
C.No CPLs have been allocated.
D.No reserved LUNs have been allocated.
Answer:C

EMC   E20-520   E20-520   E20-520

NO.19 During normal MirrorView/S operations, Navisphere Manager permits host access to how many
secondary images?
A.0
B.1
C.2
D.4
Answer:A

EMC   E20-520認証試験   E20-520   E20-520   E20-520

NO.20 What makes sizing of the reserved LUN pool a non-trivial task?
A.Reserved LUNs are assigned to specific source LUNs when the CLARiiON is laid out.
B.Source LUNs can be different sizes and only write to LUNs of the same size.
C.Reserved LUN pools may be different sizes and allocation to source LUNs is based on the next
available reserved LUN.
D.There are 512 reserved LUNs in all CLARiiON models while there may be many more source LUNs.
Answer:C

EMC過去問   E20-520   E20-520練習問題   E20-520

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