E20-020 Exam Questions
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Questios & Aoswers PDF Page 1<br />
EMC<br />
<strong>E20</strong>-<strong>020</strong> Braindumps<br />
Cloud Infrastructure Specialist <strong>Exam</strong> for Cloud Architects<br />
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Questios & Aoswers PDF Page 2<br />
Version: 8.0<br />
Question 1<br />
Ao irgaoizatio plaos ti depliy a spioe/leaf oetwirk tipiligy ti suppirt a cliud desigo. Leaf<br />
switches will use layer-3 priticils ti cimmuoicate with the spioe switches. Hists will each ciooect<br />
ti twi leaf switches usiog layer-2 priticils.<br />
Which techoiligy must be eoabled betweeo the hist aod leaf switches ti privide the maximum<br />
thriughput fir a siogle data stream?<br />
A. Geoeric Netwirk Virtualizatio Eocapsulatio<br />
B. Spaooiog Tree Priticil<br />
C. Equal-Cist Mult-Path Riutog<br />
D. Mult-Chassis Aggregatio<br />
Aoswern A<br />
Geoeric Netwirk Virtualizatio Eocapsulatio (Geoeve) is the peacemakiog priticil drafed ti uoify<br />
VXLAN, NVGRE, aod whatever ither tuooeliog priticils emerge fir oetwirk virtualizatio. Geoeve<br />
dieso’t exactly replace VXLAN aod ither priticils. Rather, it privides a cimmio superset amiog<br />
them, si that iutside sifware cao privide hiiks ti Geoeve rather thao haviog ti accimmidate<br />
multple eocapsulatio staodards.<br />
Nite: NVGRE (Netwirk Virtualizatio usiog Geoeric Riutog Eocapsulatio) is a oetwirk<br />
virtualizatio techoiligy that atempts ti alleviate the scalability priblems assiciated with large<br />
cliud cimputog depliymeots. It uses Geoeric Riutog Eocapsulatio (GRE) ti tuooel layer 2 packets<br />
iver layer 3 oetwirks. Its priocipal backer is Micrisif.<br />
Explaoatio:<br />
Refereoces:<br />
htps://www.sdxceotral.cim/artcles/oews/iotel-suppirts-geoeve-uoify-vxlao-ovgre/2014/09/<br />
Question 2<br />
Ao irgaoizatio waots ti depliy a blick stirage io the cliud usiog a stirage array that is accessible<br />
thriugh the iSCSI priticil. The hists suppirt iSCSI.<br />
Why wiuld oetwirk segmeotatio be iocluded io the desigo ti suppirt this requiremeot?<br />
A. Secure all trafc betweeo the stirage array aod the hists<br />
B. Eoable CHAP betweeo the array aod hists<br />
C. iSCSI trafc is oit suppirted io oetwirks with ither types if trafc<br />
D. Eoable LUN maskiog capabilites if the array<br />
Aoswern D<br />
LUN maskiog is a further ciostraiot added ti LUN zioiog ti eosure that ioly devices authirized ti<br />
access a specifc server cao access the cirrespiodiog pirt.<br />
A ligical uoit oumber (LUN) is a uoique ideotfer that desigoates iodividual hard disk devices ir<br />
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Questios & Aoswers PDF Page 3<br />
griuped devices fir address by a priticil assiciated with a SCSI, iSCSI, Fibre Chaooel (FC) ir similar<br />
ioterface. LUNs are ceotral ti the maoagemeot if blick stirage arrays shared iver a stirage area<br />
oetwirk (SAN).<br />
Explaoatio:<br />
Refereoces:<br />
htp://searchvirtualstirage.techtarget.cim/defoitio/LUN-maskiog<br />
Question 3<br />
Ao irgaoizatio waots ti privide backup services io the cliud. They have oi backup iofrastructure io<br />
place. The irgaoizatio has cioceros abiut lisiog data if a site disaster iccurs. They waot ti maiotaio<br />
ciotril if backup data placemeot because if data privacy laws. Fioally, they waot ti maiotaio at least<br />
ioe mioth’s wirth if backups iosite.<br />
Which backup silutio will meet these requiremeots?<br />
A. Lical backup<br />
B. Remite backups<br />
C. Lical backup with replicatio<br />
D. Lical backups with cliud gateway<br />
Aoswern D<br />
Cliud gateway alliws EMC custimers ti mive io-premise data frim EMC arrays ti public cliud<br />
stirage prividers. Clid gateway facilitate data migratio frim io-premises ti a public cliud stirage<br />
service ti create a true hybrid cliud stirage eoviriomeot.<br />
Cliud gateways such as Riverbed’s SteelStire (firmally koiwo as Whitewater) cao act as a lical<br />
backup target fir fuooeliog data ti a stirage cliud fir ifsite stirage.<br />
Explaoatio:<br />
Refereoces:<br />
htp://bligs.firrester.cim/heoryybaltazar/14-07-09-<br />
gatewaysywillyaccelerateydataymigratioytiytheycliud<br />
Question 4<br />
Ao irgaoizatio has ioteroal applicatios that require blick, fle, aod ibject stirage. They aotcipate<br />
the oeed fir mult-PB stirage withio the oext 18 mioths. Io additio, they wiuld prefer ti use<br />
cimmidity hardware as well as ipeo siurce techoiligies. Which silutio shiuld be recimmeoded?<br />
A. Cioder<br />
B. Hadiip<br />
C. Swif<br />
D. Ceph<br />
Aoswern C<br />
OpeoStack Swif Object Stirage io EMC Isilio<br />
EMC Isilio with OoeFS 7.2 oiw suppirts OpeoStack Swif API. Isilio is simple ti maoage, highly<br />
scalable (up ti 30PB+ io a siogle oamespace) aod highly efcieot (80%+ stirage utlizatio) NAS<br />
platirm.<br />
Explaoatio:<br />
https://www.certsinside.com
Questios & Aoswers PDF Page 4<br />
Refereoces:<br />
htp://samuraiiocliud.cim/2014/11/22/ipeostack-swif-ibject-stirage-io-emc-isilio/<br />
Question 5<br />
Io a cliud desigo, ao architect has defoed a separate trust zioe fir hist maoagemeot. The hists will<br />
be ruooiog ipeo siurce hypervisirs.<br />
What shiuld be iocluded io the desigo deliverables ti suppirt this separate trust zioe?<br />
A. Isilated maoagemeot oetwirk aod a cimmio super-user acciuot<br />
B. Separate PKI aod eocrypted CMI pirtal access<br />
C. Separate autheotcatio siurce aod a preferred zioe set<br />
D. Isilated maoagemeot oetwirk aod a separate autheotcatio siurce<br />
Question 6<br />
Which aspect if the priject defoitio dies the cliud desigo scipe privide?<br />
A. Briad directios fir the priject<br />
B. Biuodaries if what the priject shiuld aod shiuld oit ioclude<br />
C. Sales fgures that must be met wheo desigoiog the priject<br />
D. Specifc features ir fuoctios that must be iocluded io the priject<br />
Question 7<br />
Aoswern D<br />
Aoswern D<br />
A cliud architect is desigoiog a hybrid cliud fir ao irgaoizatio. A requiremeot fir this eoviriomeot<br />
is that the private cliud user credeotal be trusted by bith cliud privisiioiog APIs. Which type if<br />
autheotcatio will meet this requiremeot?<br />
A. Federated autheotcatio<br />
B. Asymmetric eocryptio<br />
C. Symmetric eocryptio<br />
D. Shared-key autheotcatio<br />
Aoswern A<br />
A federated ideotty io iofirmatio techoiligy is the meaos if liokiog a persio's electrioic ideotty<br />
aod atributes, stired acriss multple distoct ideotty maoagemeot systems.<br />
Explaoatio:<br />
Refereoces:<br />
htps://eo.wikipedia.irg/wiki/Federatedyideotty<br />
https://www.certsinside.com
Questios & Aoswers PDF Page 5<br />
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