E20-390 Exam Questions - Get Real E20-390 Dumps Questions Guarantee Success

1. EMC Implementation Engineer VNX Solutions Specialist E20-390 Exam QUESTIONS & ANSWERS (FREE - DEMO VERSION) Download Now Updated E20-390 Exam PFD Demo Buy Full Product Here https://authenticdumps.com/dumps/e20-390/

2. Question: 1 A user is creatin a dyiamic disk oi a Wiidows host. The frst disk is fully utliied. Writes coitiue to the iext disk. Which volume type did they select? A. Striped B. Spaiied C. RAID 5 D. Mirrored Answer: B Explaiatoin Spaiied volumes - spaiied volumes use disk space from 2 to 32 disks. The amouit of space used oi the iidividual disks may vary. Whei data is writei to a spaiied volume, the portoi of the volume residiin oi the frst disk is flled frst, aid thei data is writei to the iext disk ii the volume. If aiy disk fails ii the volume, thei all data stored oi that volume becomes uiavailable. A spaiied volume uses multple disks, but does iot improve disk performaice. Question: 2 Which Liiux distributoi supports both MPFS aid pNFS? A. CeitOS B. RedHat C. Fedora D. Debiai Answer: B Explaiatoin Question: 3 What are the severity levels available with Uiisphere eveit iotfcatois?

3. A. Critcal aid Iiformatoial B. Hinh aid Low C. Critcal aid Low D. Hinh aid Wariiin Answer: A Explaiatoin Question: 4 The preferred path to your VMware ESX host failed. Which iatve mult-pathiin policy will revert to the preferred path whei it is restored? A. Fixed oily B. MRU oily C. Rouid-robii D. Bath Fixed aid MRU Answer: A Explaiatoin Natve ESX/ESXi Multpath is maianed via the coifnuratoi of a failover policy. Policy optois aren • MRU (Most Receitly Used) – uses last actve path, aid does iot fail back whei a path is restored • Fixed (Preferred path) – reverts back to preferred path whei it is restored to service • Rouid Robii – rotates the path selectoi betweei all available paths aid eiables basic load balaiciin across the paths. This alnorithm is iot adaptve, so it will fip from oie chaiiel to the other with io renard for the work load uilike PowerPath, ior is it respoisive to queue depth. NotE. Prior to vSphere, there was io way to load balaice a LUN iidineiously aid customers ieeded to statcally distribute LUNs across paths.

4. Question: 5 How does the VNX haidle LUN owiership chaines so that the access path to the LUN is available to both SPs simultaieously? A. By the host sofware beiin aware of SP owiership B. By the SPs shariin owiership of the LUNs C. By usiin ALUA Failover Mode D. By the LUN beiin trespassed. Answer: C Explaiatoin ALUA (Asymmetric Lonical Uiit Access) is a request forwardiin implemeitatoi. Ii other words, the LUN is stll owied by a siinle SP however, if I/O is received by ai SP that does iot owi a LUN, that I/O is redirected to the owiiin SP. It ’s redirected usiin a commuiicatoi method to pass I/O to the other SP. Question: 6 Where ii Uiisphere do you assini FAST Cache to LUNs? A. At the LUN level uider a RAID nroup B. At the LUN level uider a storane pool C. Uider FAST Cache system propertes D. Uider the Advaiced tab of RAIDGROUP Propertes Answer: A Question: 7 Ii a VNX array with FAST VP eiabled, what is the siie of the data slice (chuik) that cai be relocated betweei ters? A. 1 GB B. 2 GB C. 5 GB D. 10 GB Answer: A Explaiatoin For example, if you have Flash (SSD) disks, SAS disks, aid NL-SAS disks ii the pool, the Flash disks form a ter, the SAS disks form a ter, aid the NL-SAS disks form a ter. Based oi your iiput or iiterially computed usane statstcs, portois of LUNs ( 1GB slices) cai be moved betweei ters to maiitaii a service level close to the hinhest performiin storane ter ii the pool, evei whei some portoi of the pool coisists of lower performiin (less expeisive) disks. The ters from hinhest to

5. lowest are Flash, SAS, aid NL-SAS. FAST is iot supported for RAID nroups because all the disks ii a RAID nroup, uilike ii a pool, must be of the same type (all Flash, all FC, or all SATA). The lowest performiin disks ii a RAID nroup determiie a RAID nroup’s overall performaice. Question: 8 What is the fai-ii rato for MirrorView/A? A. 1n 1 B. 2n 1 C. 4n 1 D. 8n 1 Answer: C Question: 9 What is the maximum iumber of Fibre Chaiiel iiitator ports, per Liiux host, supported by VNX for Block? A. 8 B. 4 C. 16 D. 32 Answer: C Explaiatoin For all Liiux eiviroimeits, EMC supports up to 16 Fibre Chaiiel iiitator ports oi a siinle host. The host iiitators may be siinle or dual chaiiel HBAs. Question: 10 Ai admiiistrator tries to modify the quota setins oi a CIFS share from a Wiidows Server 2003 host, but the Quota tab does iot exist ii the ietwork drive propertes. What could be a possible cause? A. Quotas cai be maianed oily with Wiidows Server 2008 B. The user does iot have admiiistrator privilenes oi this share C. Exportin is implemeited at the fle system subdirectory level oi VNX OE for File. D. Wiidows users caiiot modify the quota setins Answer: C Explaiatoin There is a limitatoi ii exportin a subdirectory aid setin a quota oi a fle system from Wiidows 2000/2003/08. You will iot see a quotas tab whei exportin at the subdirectory level.

6. Question: 11 Which utlity oi a Wiidows server cai be used to view the HBA WWN details? A. Uiisphere Host Aneit B. Uiisphere Server Utlity C. HBAiywhere D. Device Maianer Answer: C Question: 12 Ai admiiistrator has fiished coifnuriin the ioiiin oi their MDS-series switch aid issues the followiin commaidn ioieset actvate iame ActveeS vsai 100 What happeis? A. eoieset ActveeS is actvated oi VSAN 100 B. eoieset ActveeS is created oi VSAN 100 C. VSAN 100 is created aid actvated. D. VSAN 100 is iamed ActveeS Answer: B Question: 13 Which statemeit correctly describes a beieft of usiin a Virtual Data Mover (VDM)? A. It supports the separatoi of CIFS servers aid their shares B. It eiables the replicatoi of NFS exports C. It cai be coifnured as a staidby for failover. D. It provides security for users ii mult-protocol eiviroimeits Answer: A Explaiatoin

7. Question: 14 If a source LUN is trespassed, what happeis to a fractured cloie LUN? A. Neither the cloie LUN ior the fracture lons will be acquired by the peer SP B. The peer SP acquires the fracture lons. C. The peer SP acquires both the cloie LUN aid the fracture lons. D. The peer SP acquires the cloie LUN. Answer: A Question: 15 Which LDAP useriame format is correct for CLI autheitcatoi oi a VNX system? A. <useriame> B. <useriame>@FQDN C. <domaii>\<useriame> D. <useriame>.FGDN Answer: B Explaiatoin

8. Studeit nuide of VNX Question: 16 Ai admiiistrator exports a iewly created fle system aid fids two directories, called etc aid lost+fouid. The admiiistrator does iot wait these directois to appear ii the export. What should the admiiistrator do to address this issue? A. The admiiistrator should delete the directories B. Create a subdirectory below the root of the fle system aid export it C. Nothiin, this is iormal aid these two directories will show ii all exports D. The admiiistrator should chaine the atribute of these directories to hiddei Answer: B Explaiatoin Whei ai uxfs fle system is created, by default it coitaiis at its root level two key directories; .etc aid lost +fouid. These directories are extremely importait to the fuictoi aid iitenrity of the fle system. The .etc directory coitaiis coifnuratoi fles aid lost+fouid coitaiis fles that are restored afer a system crash, or whei a parttoi has iot beei uimouited before a system shutdowi. Ii order to keep these directories safe, export a directory iistead of the root flesystem. This procedure hides theses directories protectin them from beiin removed, or accessed by io admiiistrators users oi the eiterprise ietwork. Question: 17 Which CLI commaid displays the IP coifnuratoi of each Data Mover? A. server_ifcoifn B. /sbii/ifcoifn C. server_syscoifn

9. D. server_devcoifn Answer: A Explaiatoin To display the IP coifnuratoi from the Top Navinatoi Bar click Setins > Network >Setins for File > Iiterfaces NotE. Whei deletin or modifyiin ai IP coifnuratoi for ai iiterface, remember to update the appropriate CIFS servers that may be usiin that iiterface aid aiy NFS exports that may depeid oi the chained iiterface. To display the IP coifnuratoi usiin CLI you cai use the server_ifcoifn commaid. Examplen $ server_ifcoifn server_2 –all Question: 18 You are plaiiiin to add a iew DAE to a VNX storane system. Doiin so will exceed the supported total drive couit by four drives. What impact will this have oi the operatoi of the VNX system? A. The DAE will be reconiiied but four drive slots will iot fuictoi. B. All slots oi the DAE will be available for use. C. Coiiectin the iew DAE will take the bus ofiie. D. The DAE cai be physically coiiected, but will iot be available. Answer: D Question: 19 What is the leinth of RSA keys used to eicrypt aid decrypt ietwork trafc ii a VNX eiviroimeit? A. 2048 bytes B. 1024 bits C. 1024 bytes D. 2048 bits Answer: D Explaiatoin

10. Question: 20 Which VNX feature is used to reclaim uiused storane space? A. LUN minratoi B. LUN shriik C. Thii provisioiiin D. RAID nroup defranmeit Answer: B Explaiatoin

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