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
point 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
4 f3 O6 w9 N+ D4 P2 j  T" o: uB. 2 hours
C. 3 hours
D. 4 hours
8 J; U% `5 A/ D! V# mAnswer: B
2. What is a remote replication solution for EMC CLARiiON storage systems?
A. MirrorView/A
B. SnapView
C. SRDF/AR
2 a- G& T0 J, @/ y4 _) g' x9 \+ uD. TimeFinder
Answer: A
3. Which represents a common implementation of a storage network with limited scalability?
8 r) o0 k4 F% U, a) t% xA. CSMA/CD
B. Fibre Channel Arbitrated Loop
C. Store and Forward
D. Switched Fabric
Answer: B
  S* c' f# ^- R* w! c' p4. Click on the Exhibit button. Identify the E Port and Edge switch in the SAN Core/Edge exhibit.
& o. [; J3 K# a2 a2 c1 O7 h| English | Chinese(Traditional) | Chinese(Simplified) | 3
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' M2 u  p7 Y" Y" r5 h$ |A. 1 and 6
% ]/ l1 n* l, H) k$ y. r& bB. 4 and 5
C. 7 and 5
9 j/ N, [! Z6 kD. 6 and 3
1 j& {8 T1 F  O: g- LAnswer: A
5. What is the process that writes physical address information to a disk?
A. Concatenating
B. Formatting
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C. Partitioning
6 p/ }1 k( g; C4 O, nD. Striping
Answer: B
6. The Recovery Point Objective (RPO) of a company is 4 hours. Which statement is true in the event of a
- |! l) X' a; x. e4 vdisaster?
A. Must be able to restart their network within 4 hours
B. Must be able to restart their servers within 4 hours
3 D: u: M- ~) m4 IC. Must be able to resume production within 4 hours
D. No more than 4 hours of production data can be lost
) Y: N1 ^% }3 y4 ?% P4 F  hAnswer: D
+ Y3 t2 _; Q. I# S! r) f7. Which technology is designed for storage of fixed content data?
A. CAS
  t, E" p, }" l% AB. DAS
C. NAS
" [3 }/ I  k- X, u7 jD. SAN
! G4 \" o+ S6 L% Y& [' p: DAnswer: A
1 J& u( `  W7 ?0 L! |' E' @) C8. In SAN, if the primary concern is cabling flexibility, what method of zoning should be employed?
( S2 ^( I! N3 ^4 h( zA. Hard Zoning
/ ^# @$ G1 O8 p- R5 ~# fB. Mixed Zoning
/ R- T  t5 W# o! D- y' t' AC. Port Zoning
D. WWN Zoning
0 s8 Z7 F4 `6 \/ bAnswer: D
1 g' c3 ^( ]: Y! P9. 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?
A. 0 49,999
. W) s# d2 c* \7 j- }| English | Chinese(Traditional) | Chinese(Simplified) | 5
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/ Z7 n4 E$ B9 j. @8 jB. 0 99,999
C. 1 50,000
( l4 D1 z  T$ p8 F( ^; h0 TD. 1 100,000
Answer: B
10. Which key requirement of the Data Center infrastructure addresses the concern of data on storage
) i5 H: [% k2 Y- x# n$ |0 D: q& ^systems being accessible 24X7?
A. Availability
' s$ p  i* A. NB. Manageability
  i( M4 e; q2 G/ IC. Performance
) G! D& n3 _: w7 H  a, D7 AD. Scalability
Answer: A
4 _2 x& z& Q1 Q& z0 V2 i. Y: d11. What is the protocol used by a Windows client to communicate with a NAS device?
A. CIFS
% L! |/ \6 {! P) E& Y3 S! zB. FCP
, n" }: r* x# v- @& {C. NFS
( c! z. }$ L: F1 zD. SCSI
Answer: A
- i( W, F. a: P8 i& p; m$ e. C12. What are two parts of cache?
4 j. H8 K8 j" ?+ W! oA. Bitmap store and dirty store
4 o- K5 d; z7 L) D, GB. Data store and bitmap store
0 R# {! u. M  i" }; gC. Data store and tag RAM
D. Tag RAM and dirty store
+ w& j3 A4 ?, O6 V9 uAnswer: C
4 i4 w; M# C# r7 [13. Which Data Center element stores customer and product information when the server is connected to
an array?
, {9 X# }; r  P. k0 j' B" nA. Application
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B. Database
C. Server
D. Storage Array
4 [0 {. G1 o1 b4 m4 ^; E6 {- B: oAnswer: B
14. What do you monitor as part of server performance?
A. Filesystem utilization
+ J# J- A5 t0 \; E8 N+ C! vB. HBA status
C. Memory utilization
D. Power supply status
Answer: C
15. What is the name of the drive subassembly containing the platters and R/W heads?
A. ATA
9 r, g$ h+ N8 b% M. j' xB. HBA
C. HDA
D. IDE
: U6 B2 |% E$ RAnswer: C
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