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EMCのE20-520は専門知識と情報技術の検査として認証試験で、IT-Passports.comはあなたに一日早くEMCの認証試験に合格させて、多くの人が大量の時間とエネルギーを費やしても無駄になりました。IT-Passports.comにその問題が心配でなく、わずか20時間と少ないお金をを使って楽に試験に合格することができます。IT-Passports.comは君に対して特別の訓練を提供しています。
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試験番号：E20-520問題集
試験科目：EMC 「Calriion solutions specialist exam」
問題と解答：全520問
EMCのE20-520の認定試験の受験生は試験に合格することが難しいというのをよく知っています。しかし、試験に合格することが成功への唯一の道ですから、試験を受けることを選ばなければなりません。職業価値を高めるために、あなたは認定試験に合格する必要があります。IT-Passports.comが開発された試験の問題と解答は異なるターゲットに含まれていますし、カバー率が高いですから、それを超える書籍や資料が絶対ありません。大勢の人たちの利用結果によると、IT-Passports.comの合格率は１００パーセントに達したのですから、絶対あなたが試験を受かることに重要な助けになれます。IT-Passports.comは唯一のあなたの向いている試験に合格する方法で、IT-Passports.comを選んだら、美しい未来を選んだということになります。
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NO.1 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過去問 E20-520問題集 E20-520認定試験
NO.2 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 E20-520 E20-520認定試験 E20-520認証試験
NO.3 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 E20-520過去問 E20-520
NO.4 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 E20-520認証試験 E20-520 E20-520認証試験
NO.5 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問題集 E20-520 E20-520認定証 E20-520参考書 E20-520
NO.6 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 E20-520認定資格 E20-520 E20-520 E20-520
NO.7 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過去問 E20-520 E20-520過去問 E20-520過去問 E20-520
NO.8 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認証試験 E20-520 E20-520問題集 E20-520
NO.9 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 E20-520練習問題 E20-520認定証 E20-520 E20-520過去問 E20-520
NO.10 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認定証 E20-520過去問 E20-520参考書 E20-520参考書 E20-520問題集
NO.11 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認証試験 E20-520 E20-520 E20-520 E20-520
NO.12 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 E20-520練習問題 E20-520
NO.13 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 E20-520 E20-520認定資格 E20-520 E20-520
NO.14 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 E20-520問題集 E20-520 E20-520
NO.15 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問題集 E20-520 E20-520問題集
NO.16 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参考書 E20-520 E20-520問題集
NO.17 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 E20-520問題集 E20-520 E20-520
NO.18 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 E20-520認定資格 E20-520 E20-520
NO.19 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 E20-520 E20-520認証試験 E20-520認定資格
NO.20 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 E20-520 E20-520 E20-520認証試験
恐いEMCのE20-520試験をどうやって合格することを心配していますか。心配することはないよ、IT-Passports.comのEMCのE20-520試験トレーニング資料がありますから。この資料を手に入れたら、全てのIT認証試験がたやすくなります。IT-Passports.comのEMCのE20-520試験トレーニング資料はEMCのE20-520認定試験のリーダーです。
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