killtest E20-001 最新题库（朋友刚过了）

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最新E20-001拿出来和朋友分享一下  
1. Data is being replicated from site A to site B using disk buffering to create extended distance consistent
5 x& z' E$ Q2 e& S+ Dpoint in time copies every hour. In the event of a site failure at A, what is the maximum amount of data that
will be missing at site B?
A. 1 hour
B. 2 hours
7 f5 s" N- a! P0 _) ]) w/ y" SC. 3 hours
4 Z- A- W0 E6 {' |D. 4 hours
  k% t8 U0 h3 X( E, _1 z* c# j( ]Answer: B
$ j+ a) }! T& ]! h! I2. What is a remote replication solution for EMC CLARiiON storage systems?
A. MirrorView/A
7 F6 p, K9 V4 q+ ~( qB. SnapView
C. SRDF/AR
D. TimeFinder
' k0 S9 r! _% YAnswer: A
3. Which represents a common implementation of a storage network with limited scalability?
$ T  b/ r5 r9 ]* z6 X* gA. CSMA/CD
B. Fibre Channel Arbitrated Loop
/ l1 A" m" I  d! M/ o! dC. Store and Forward
' D4 M; a3 @7 D# X0 F- A0 m5 M' nD. Switched Fabric
. t: l3 p) g: R3 w5 n+ }( ~" CAnswer: B
4. Click on the Exhibit button. Identify the E Port and Edge switch in the SAN Core/Edge exhibit.
( j& T; \7 ]; E9 u" u& r1 A| English | Chinese(Traditional) | Chinese(Simplified) | 3
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A. 1 and 6
# e( t1 k/ l0 _! `/ Y1 i! j7 cB. 4 and 5
4 |2 h- R2 _0 ^, m8 U8 BC. 7 and 5
  T4 D. G2 @3 d% i, mD. 6 and 3
Answer: A
  N2 M$ A# M* a  Q/ c% l0 b5. What is the process that writes physical address information to a disk?
A. Concatenating
2 i8 ^8 k% Z7 eB. Formatting
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& R8 C! ~0 E. f. c( H. H# HC. Partitioning
$ E9 @0 }0 ?8 L. b7 d2 UD. Striping
( m0 Z$ f5 n1 h8 I; ?& f5 f, ZAnswer: B
6. The Recovery Point Objective (RPO) of a company is 4 hours. Which statement is true in the event of a
disaster?
5 M) j8 V1 i( f' d8 YA. Must be able to restart their network within 4 hours
B. Must be able to restart their servers within 4 hours
C. Must be able to resume production within 4 hours
D. No more than 4 hours of production data can be lost
Answer: D
7. Which technology is designed for storage of fixed content data?
A. CAS
+ ?; c" S- w: {" Q7 n* kB. DAS
C. NAS
( K! Q& q; K4 _' S/ \' tD. SAN
$ j; A! X# ~; `# y7 ]Answer: A
9 O3 y. N% q8 {8 l, K: o1 W, C8. In SAN, if the primary concern is cabling flexibility, what method of zoning should be employed?
% n2 P) B+ y+ ]* K! Q7 q! lA. Hard Zoning
B. Mixed Zoning
C. Port Zoning
D. WWN Zoning
Answer: D
9. A disk has Cylinder Head Sector (CHS) values of 1000, 4 and 25. What address range will be used for
4 w2 ]* h: y3 w+ Pthe Logical Block Address (LBA) values for this disk?
5 f& X/ t5 \- H' ]; ]A. 0 49,999
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# x2 y2 K2 W6 j$ AB. 0 99,999
' y( v$ K, A2 `. g2 XC. 1 50,000
$ A& L3 o7 l" X) }9 u7 OD. 1 100,000
! q( R* d0 ~/ g: w6 p7 xAnswer: B
) |0 j( |& X6 V$ @, I* ]10. Which key requirement of the Data Center infrastructure addresses the concern of data on storage
8 g! a! I6 _# q& L. Zsystems being accessible 24X7?
6 [) C8 L6 `9 O. {  ZA. Availability
B. Manageability
C. Performance
2 x- o  u: Z) @9 O/ f% N6 R# CD. Scalability
+ E8 A/ L& T5 vAnswer: A
11. What is the protocol used by a Windows client to communicate with a NAS device?
0 ?' [/ o/ J3 w/ `9 yA. CIFS
! m# R8 S( h% Y+ {% lB. FCP
C. NFS
4 ], o7 B8 x6 z' dD. SCSI
Answer: A
1 \. S' k/ v# y. M& w" A) r12. What are two parts of cache?
% M1 }' ]5 e% Z0 W9 D8 lA. Bitmap store and dirty store
B. Data store and bitmap store
C. Data store and tag RAM
, c. H4 F% [0 F; ^5 eD. Tag RAM and dirty store
Answer: C
+ _, i7 X' {( n7 b13. Which Data Center element stores customer and product information when the server is connected to
an array?
A. Application
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  S" i0 S9 B& ~! FB. Database
C. Server
D. Storage Array
Answer: B
0 M8 I* W+ x) \! s/ W, @  k14. What do you monitor as part of server performance?
A. Filesystem utilization
B. HBA status
C. Memory utilization
. |% g; `* L7 b0 q0 y: A& `5 aD. Power supply status
2 K# ~6 ^6 ^( i% \" \8 K  gAnswer: C
15. What is the name of the drive subassembly containing the platters and R/W heads?
A. ATA
B. HBA
, `  D; ~0 m& r8 L* P# m- q2 X; qC. HDA
D. IDE
Answer: C
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