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
- G3 z% Z$ ~9 L/ f/ H' Gpoint in time copies every hour. In the event of a site failure at A, what is the maximum amount of data that
+ u; U* r, q1 o( g2 xwill be missing at site B?
A. 1 hour
B. 2 hours
0 \- p& W& K* z3 FC. 3 hours
D. 4 hours
# |/ I8 C5 E% ^; c) Q2 @) r& yAnswer: B
2. What is a remote replication solution for EMC CLARiiON storage systems?
A. MirrorView/A
/ F7 i6 a8 ?8 z9 ]% {# A2 H' yB. SnapView
C. SRDF/AR
D. TimeFinder
Answer: A
3. Which represents a common implementation of a storage network with limited scalability?
A. CSMA/CD
B. Fibre Channel Arbitrated Loop
! E9 w3 k0 J9 U* R! d$ F& G: ~* fC. Store and Forward
. c2 B, f9 M; e" l3 VD. Switched Fabric
Answer: B
% {. G5 `/ l; l9 q7 F: P4. Click on the Exhibit button. Identify the E Port and Edge switch in the SAN Core/Edge exhibit.
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( E; i5 c# p: RA. 1 and 6
4 A. F8 H" _, S  bB. 4 and 5
& O& a+ b! j" BC. 7 and 5
D. 6 and 3
" X$ P, T! O/ Y' |" L2 S7 Z4 SAnswer: A
5 B; R! |1 j( S5. What is the process that writes physical address information to a disk?
A. Concatenating
B. Formatting
( V" d5 h0 X" e2 B) d| English | Chinese(Traditional) | Chinese(Simplified) | 4
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C. Partitioning
) f, n! m6 V8 kD. Striping
! c1 U0 X8 X6 D2 @Answer: B
* G, |. N9 s9 @0 s7 T( v" y8 c6. The Recovery Point Objective (RPO) of a company is 4 hours. Which statement is true in the event of a
disaster?
- r: X0 D* _& e* ]0 x8 l; O# {) ~( jA. Must be able to restart their network within 4 hours
4 j/ G6 L2 |8 g- R! ?! ^! m! ~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
) H- i) V8 ~9 I8 m' a* ~Answer: D
7. Which technology is designed for storage of fixed content data?
- u* s! p$ h# I& _A. CAS
; }3 f0 z! }! c* K5 s; ?$ V3 wB. DAS
C. NAS
; m, J! Z9 y0 Q7 aD. SAN
Answer: A
8. In SAN, if the primary concern is cabling flexibility, what method of zoning should be employed?
' Q; s9 d7 B8 g* xA. Hard Zoning
B. Mixed Zoning
C. Port Zoning
0 k* Y- v0 |% L1 L) G) l" l0 JD. WWN Zoning
" L/ n; f/ S( m% V1 i# YAnswer: D
9. A disk has Cylinder Head Sector (CHS) values of 1000, 4 and 25. What address range will be used for
the Logical Block Address (LBA) values for this disk?
, P+ F5 O! S; Y, r  F* g! _% x& rA. 0 49,999
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4 b/ ]) f. ?" m. b& O% oB. 0 99,999
4 V" K1 X' `' m3 gC. 1 50,000
D. 1 100,000
% e' S" w& B* }  Q- cAnswer: B
10. Which key requirement of the Data Center infrastructure addresses the concern of data on storage
. K$ ?4 c% t1 v; ^6 A0 wsystems being accessible 24X7?
( L* x0 j4 D5 m. g( {A. Availability
; `) G: v1 o6 ~B. Manageability
C. Performance
D. Scalability
7 m% i2 W# \. i* ~" r0 SAnswer: A
11. What is the protocol used by a Windows client to communicate with a NAS device?
A. CIFS
B. FCP
9 |5 V3 n7 e2 g& eC. NFS
$ d5 `- ?$ {* r0 w; AD. SCSI
Answer: A
3 j( U% N2 R: l12. What are two parts of cache?
A. Bitmap store and dirty store
B. Data store and bitmap store
C. Data store and tag RAM
D. Tag RAM and dirty store
9 f! r! H7 Q- ]5 H' s2 ?0 T7 GAnswer: C
13. Which Data Center element stores customer and product information when the server is connected to
  R9 A' l5 E+ @5 H$ Z3 I, oan array?
. a$ J. [9 _: ?4 Q0 {! wA. Application
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B. Database
C. Server
D. Storage Array
Answer: B
' L. X9 v/ e' x4 [/ _14. What do you monitor as part of server performance?
+ x, g: }% F+ C9 g  ^A. Filesystem utilization
B. HBA status
C. Memory utilization
* e9 c3 G4 A2 {D. Power supply status
Answer: C
* n. z2 @3 v  O8 N15. What is the name of the drive subassembly containing the platters and R/W heads?
: a. h+ l: f- Q5 S% `: k* OA. ATA
B. HBA
8 Q1 \! s" H5 h& C& eC. HDA
' C( A* F- q6 j) O3 [4 B5 B' MD. IDE
3 \% a6 z+ h; b0 g/ {  BAnswer: C
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