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最新E20-001拿出来和朋友分享一下
0 m9 I1 b! K+ z/ Z1. Data is being replicated from site A to site B using disk buffering to create extended distance consistent0 ~# ]. p( j- f. l7 } k. y# [
point in time copies every hour. In the event of a site failure at A, what is the maximum amount of data that5 a1 e. H, o% d+ ^7 r
will be missing at site B?
" m8 x# o) e( h. tA. 1 hour- Z* c1 @! J) T+ ]3 s" S
B. 2 hours
! M" s: e; r; f: Z6 B7 ]: zC. 3 hours5 J' \' R# H" N+ S& V
D. 4 hours: `& h. S1 Q& N) ~9 ^2 D! c4 s8 O
Answer: B
8 b& L; F) n* o) \0 }- X2. What is a remote replication solution for EMC CLARiiON storage systems?+ S2 C0 p: O' H! b3 a
A. MirrorView/A
$ }: J3 \/ h" R* vB. SnapView
- p3 J1 D4 b% U. V6 dC. SRDF/AR- W! T: i, r- Q R/ M8 a0 y
D. TimeFinder
" n2 a+ P. @3 K2 ]! x$ A/ ?Answer: A1 Z2 i- e7 Y5 g! p) h- R
3. Which represents a common implementation of a storage network with limited scalability? h! m" l0 }) V. a6 G
A. CSMA/CD
5 R3 |/ N, s' ]0 }) O+ iB. Fibre Channel Arbitrated Loop% }& s' y; S" M
C. Store and Forward
7 `& A; |8 ]) v5 {- w- r0 V G- ID. Switched Fabric* D; D3 g) O3 {7 V* }
Answer: B
! {# G) z1 K# R% M/ A4 j4. Click on the Exhibit button. Identify the E Port and Edge switch in the SAN Core/Edge exhibit.
# g( c( J: o5 \1 R# D% X| English | Chinese(Traditional) | Chinese(Simplified) | 3( [' O! m$ M- W: H0 `' B
KillTest
- [" B' n1 h1 g( Q+ ]( mInformation Co., Ltd. All rights reserved.
6 h9 L E' L! H& o- |% C2 G0 c4 r) qA. 1 and 6
7 K* u1 r9 ~% u- EB. 4 and 5/ o9 [! L& f7 I4 _1 Q
C. 7 and 5( T% M* B$ ~& V# D+ B% r
D. 6 and 3
# o; w7 ^9 B" v9 nAnswer: A
: \0 i: j& I3 H% ?5. What is the process that writes physical address information to a disk?: U$ `: j3 E9 `6 }
A. Concatenating
) x* N% N1 w+ s! D* HB. Formatting
$ M3 ?! {3 Z# F S| English | Chinese(Traditional) | Chinese(Simplified) | 4
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C. Partitioning
0 z; }, i4 ?: |, n0 gD. Striping6 T9 \9 Z- ?' j. A Y; V- r/ P
Answer: B. x6 e9 a1 x9 D8 l! `) |. V
6. The Recovery Point Objective (RPO) of a company is 4 hours. Which statement is true in the event of a! p9 F2 j# [' R0 c# \' A* w
disaster?& W4 Q' ~2 x/ X# y
A. Must be able to restart their network within 4 hours
- R: z) d* ~( ?. @B. Must be able to restart their servers within 4 hours
2 @4 {' o- v, w a" f1 Y% `* D4 wC. Must be able to resume production within 4 hours, t% U2 W/ q3 b1 `1 Y& x w
D. No more than 4 hours of production data can be lost
1 T7 F9 j9 B9 M0 x+ B: DAnswer: D q* {/ [- t4 |
7. Which technology is designed for storage of fixed content data?
- B- o' X; T3 V- d6 mA. CAS3 Q+ \8 V! @! E) k' }
B. DAS
% |; t' }. F. kC. NAS/ S: j; C- m G4 U
D. SAN
6 C/ I7 j/ V6 l$ ?4 [Answer: A& H$ C8 A: z# B, X6 E
8. In SAN, if the primary concern is cabling flexibility, what method of zoning should be employed?
2 ~7 v+ `5 s; \" e% kA. Hard Zoning
. p4 m+ f, Q1 v% `: OB. Mixed Zoning
4 S. w7 T8 p- Q4 p/ h% FC. Port Zoning9 X2 M/ ?% Y4 c' C8 C, U$ _% ?" B
D. WWN Zoning0 }4 w/ p% j$ z' g+ b8 L2 N4 ]
Answer: D2 y# G# u8 _4 _7 `/ L) u/ ~
9. A disk has Cylinder Head Sector (CHS) values of 1000, 4 and 25. What address range will be used for
% I/ O4 D! }" c9 o0 x: L7 J4 Mthe Logical Block Address (LBA) values for this disk?
2 _! V! m( D2 v* M: | W+ ^A. 0 49,999
$ {6 O+ d1 n$ k/ m9 c6 R| English | Chinese(Traditional) | Chinese(Simplified) | 5
- d7 n! d4 J1 MKillTest, H* H* b: E# F9 O- |7 I1 |
Information Co., Ltd. All rights reserved. A7 C( `; N& s$ A1 y( a9 Q
B. 0 99,999 @# l) R- A) t1 s# [% C2 M0 s
C. 1 50,000' ]' {4 F4 d8 P
D. 1 100,000; ?6 r# x! ]4 X9 n Q
Answer: B
. z2 B8 }& Y8 _10. Which key requirement of the Data Center infrastructure addresses the concern of data on storage7 r4 _" f' O1 e0 J
systems being accessible 24X7?8 p* I' ~; z% h$ d+ I: g' ^
A. Availability
* M6 g$ a, p5 W6 HB. Manageability
. u1 L( {4 g% t9 `3 E6 _# rC. Performance1 n* j" T3 [( \
D. Scalability( |3 A$ I' o% X6 D9 V
Answer: A
) a. M; J* B3 g. [" _0 A( }3 O11. What is the protocol used by a Windows client to communicate with a NAS device?
8 S# S" R$ J* r" v- C! ~0 o; wA. CIFS
6 k0 {, s' N3 H+ W5 }B. FCP
) S0 o5 g9 ^! }$ ~4 ^4 L: X$ J$ pC. NFS
& d/ j) }- ?" K. @: O8 ~D. SCSI9 ~. p" D+ a: U* d) l
Answer: A
6 L% I. ?0 a2 |: v' A* X# |" C12. What are two parts of cache?+ x2 k! g! F4 w1 m9 f" O; p6 N0 X
A. Bitmap store and dirty store) ~+ _, I. F8 h0 P2 i5 ^
B. Data store and bitmap store
* `3 s/ e. c; o1 SC. Data store and tag RAM
4 e9 t( F' \4 z2 ]1 KD. Tag RAM and dirty store1 K0 A2 T" v! P* M, N* r R
Answer: C
) Z; [) U' ^- c/ {6 [0 E' L13. Which Data Center element stores customer and product information when the server is connected to2 ?( W, T, V" e, H
an array?3 _0 ^" k% X% Z
A. Application4 y* V1 ?! }* F2 j6 P7 B! a* K
| English | Chinese(Traditional) | Chinese(Simplified) | 6
4 o! l; k% w/ M3 i7 A5 ~KillTest
& d9 p# r; k1 \+ @+ t& GInformation Co., Ltd. All rights reserved.
% M/ O& n0 c3 i- nB. Database
( N; a( y: e+ R/ z" x1 [C. Server
+ L' \5 `/ f& y2 f U5 g5 j, WD. Storage Array
4 o2 L( G# M4 B# m4 c' Z) |/ q2 qAnswer: B2 B7 E l9 F+ u6 a- E8 t
14. What do you monitor as part of server performance? |& R9 H% F4 d
A. Filesystem utilization a$ S5 `# I# }+ Y: I
B. HBA status p, j8 [! b% T! C& z6 ~
C. Memory utilization
% }6 l- x( O# O# \D. Power supply status
( R, J4 s5 d' mAnswer: C" I4 ]5 t' O4 g/ J- z) t1 t1 q
15. What is the name of the drive subassembly containing the platters and R/W heads?
* Y+ D' L; [% Q/ B9 ~A. ATA( ] a* W# j# j1 {
B. HBA
% ~+ O- ~' `6 p( K' o& W( q- iC. HDA, ^& I6 D1 y0 Q$ r
D. IDE2 }( ?: `" k. M. [: V; d$ G: @" r
Answer: C
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