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
! M+ A/ H8 U& S4 }& K+ w2 M( ~will be missing at site B?
A. 1 hour
0 D, q+ Z! y  z  Z0 L6 D# SB. 2 hours
2 k( J) u9 q4 Q' w1 H6 |# h8 |C. 3 hours
2 E1 Z/ I5 |& p& j* @D. 4 hours
% U& B5 d% h" _4 zAnswer: B
3 t0 N' C& d* r' T2. What is a remote replication solution for EMC CLARiiON storage systems?
) t2 |- t' U; DA. MirrorView/A
, W8 g. O) R# F. L# }5 NB. SnapView
C. SRDF/AR
D. TimeFinder
Answer: A
# I& s- [  p3 w, T3. Which represents a common implementation of a storage network with limited scalability?
A. CSMA/CD
- x  s" G) W7 ]* z. vB. Fibre Channel Arbitrated Loop
% I+ D% M) h, y9 G! i7 Q6 `C. Store and Forward
D. Switched Fabric
. D+ ^# {! B! `6 oAnswer: B
4. Click on the Exhibit button. Identify the E Port and Edge switch in the SAN Core/Edge exhibit.
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A. 1 and 6
5 P: p! g. }5 [1 ?% ZB. 4 and 5
C. 7 and 5
D. 6 and 3
Answer: A
: x/ g1 L( B6 d5. What is the process that writes physical address information to a disk?
- L5 X+ _0 n/ k8 sA. Concatenating
B. Formatting
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C. Partitioning
% W/ G6 z; r+ Q8 E4 [D. Striping
9 H; p. Q5 ?8 Q1 h& vAnswer: B
6. The Recovery Point Objective (RPO) of a company is 4 hours. Which statement is true in the event of a
disaster?
: d, L" I" w5 v& z4 kA. Must be able to restart their network within 4 hours
: v  n% R; E. V9 aB. Must be able to restart their servers within 4 hours
) Q% H2 K$ A9 I6 u( g" uC. Must be able to resume production within 4 hours
+ U6 {! U. t# \# f- vD. 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
: w2 k. }" `4 f6 r  I8 r& R1 m- S5 FB. DAS
  e+ S& G0 b( G# U- xC. NAS
D. SAN
/ O7 m% {8 k  ]) ?3 lAnswer: A
( y/ q; F+ [3 i6 {8. In SAN, if the primary concern is cabling flexibility, what method of zoning should be employed?
A. Hard Zoning
& @' Z/ M1 c: \% F/ a4 YB. Mixed Zoning
8 [; V' W* I4 I" d* B0 j. NC. Port Zoning
' o8 a* A/ d/ V! O- L. @D. WWN Zoning
# D  x) G: ?( J# a1 l5 R% c% xAnswer: D
9. A disk has Cylinder Head Sector (CHS) values of 1000, 4 and 25. What address range will be used for
# E2 e5 g) @  N' c; Cthe Logical Block Address (LBA) values for this disk?
A. 0 49,999
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B. 0 99,999
9 Z1 F( T% G- ]3 i0 G( u  ^C. 1 50,000
+ {' ^6 p" C9 s$ W" }  b. @0 pD. 1 100,000
Answer: B
) q3 B; u1 Q- g5 v0 R7 c% `9 B10. Which key requirement of the Data Center infrastructure addresses the concern of data on storage
systems being accessible 24X7?
7 ^3 ~8 @8 G7 e9 R/ z: m; f2 mA. Availability
) `4 u% q" l  UB. Manageability
C. Performance
/ D9 d% Q3 f+ X9 g: sD. Scalability
% Y6 p2 R. F/ E- J) X( bAnswer: A
% @, [+ a/ u. p( n' _11. What is the protocol used by a Windows client to communicate with a NAS device?
A. CIFS
8 x! `: b2 C  k3 i! R) N0 AB. FCP
C. NFS
, C4 @# ]4 K. D3 O: JD. SCSI
Answer: A
5 g% Z2 z/ B4 ?+ `2 Q8 ?+ n* I12. 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
Answer: C
13. Which Data Center element stores customer and product information when the server is connected to
an array?
A. Application
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9 m9 O6 ~1 a- k* u" C: u% @B. Database
! b5 L/ L2 P& l- N5 F7 w  v$ x, GC. Server
, p0 N' h2 H! z7 `. R+ l& O% o$ b: cD. Storage Array
6 _7 n% ?/ ?% O. [* aAnswer: B
14. What do you monitor as part of server performance?
A. Filesystem utilization
/ m, X( {& q% J' \B. HBA status
5 O. d+ u' V' YC. Memory utilization
D. Power supply status
. N/ s7 C! ^0 j" e4 Q! hAnswer: C
15. What is the name of the drive subassembly containing the platters and R/W heads?
1 B8 y: k( f( i6 p) i1 VA. ATA
- c1 w* w  k0 I/ S: i8 @B. HBA
C. HDA
: d6 D! Y1 Q8 y9 A* zD. IDE
Answer: C
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