EMC Certification

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Exam : EMC E20-825
Title : Storage Area Network (SAN) Expert Exam for Technology Archs


1. A customer has deployed two separate data centers located 100 km apart. Each site has two MDS 9509 configured with 2 VSANs in each director. The directors have IPS modules with FCIP configured between the MDS directors using their existing IP network between sites. NO EISLs currently exist. They want to implement a backup solution where all backups are done to CDL units located at the remote data center location.
What is the best solution for this requirement?
A. Configure EISL between locations and create a new tape VSAN containing CDL ports and all host ports
B. Configure new EISLs between locations, merge ALL existing fabrics between sites and connect CDL ports to new fabrics
C. Create a new tape VSAN at each location containing CDL ports and implement IVR for host access to tape resources at the remote location
D. Configure EISL between locations and create a new tape VSAN containing all CDL ports and implement IVR for backup hosts to access tape resources at local the location
Answer: C

2. Click the Exhibit button.
Your customer has the CLARiiON environment in the diagram. They want to improve security.
What should you recommend?
A. Each switch in each fabric should have the same domain ID
B. The zoning policy should be single-HBA or single-initiator zoning
C. The zoning policy should be port zoning on Fabric A and Fabric B
D. The switches with the lowest WWNs always be located at the center of the fabric
Answer: B

3. Port Security is enabled at the customer site on all ports of the MDS-series switch. Which statement is true?
A. All intrusion attempts are reported when accessing switches in a fabric using FTP
B. Login requests via Telnet are restricted from unauthorized Fibre Channel devices accessed in a fabric
C. Login requests from unauthorized Fibre Channel devices (Nx ports) and switches (xE ports) are rejected
D. Login requests from unauthorized users to the fabric are rejected from the network security management in the switch
Answer: C

4. A company wants the most cost effective way to add 100 new hosts. Each host requires approximately 15MBps. All servers must be dual attached. They currently have all MDS 9509 directors, and could add line cards at your recommendation. What solution should you recommend?
A. Add 2 IP cards with 4 ports each and use iSCSI to connect into the SAN
B. Add 2 IP cards with 8 ports each and use iSCSI to connect into the SAN
C. Add 2 fiber channel cards with 32 ports each and fiber attach all the hosts
D. Add 8 fiber channel cards with 32 ports each and fiber attach all the hosts
Answer: B

5. The customer manages their SAN environment with ControlCenter. They have installed FCC Agent on Host A and Host B. They have installed the NAS Agent on Host B. Host A was down for one day, during which they lost NAS monitoring and switch management. Why did this happen?
A. SNMP traps on both agents are set to READ/ ONLY
B. Both Agents are communicating over the same SNMP Port
C. SNMP traps on both agents are set to the wrong IP Address
D. FCC Agent does not initiate a fail over to the Host B, and NAS Agent was inactive
Answer: B

6. A customer has two separate SAN environments, located 5 km apart, with both DMX and CLARiiON storage. They have a Windows 2000 application that is currently connected to a CX600. They plan to deploy a second server at the remote site and implement a MSCS clustered environment for this application. The solution needs to be disaster tolerant. What would they do as part of this implementation?
A. Implement MirrorView to replicate data between sites
B. Implement EMC OpenReplicator to replicate data between sites
C. Move the server's data to DMX and use SRDF to replicate data between sites
D. Implement EISLs between sites to provide remote access to the CLARiiONvolumes
Answer: C

7. Click the Exhibit button.
As shown in the diagram, two environments are linked via dual FCIP links. The customer is using Cisco gear as the router and wants to maintain as stateful a connection as possible.
Which protocol would you recommend to run between the routers at either side of the environment?
A. RIP
B. VRRP
C. HSRP
D. VLAN Tagging
Answer: C

8. A company has many low end servers that need to access SAN attached storage. The company does not want to invest any additional money in the servers to make this happen. Each server will have one NIC card that will be used for iSCSI. The customer wants as high availability as possible. Their current SAN infrastructure consists of all MDS directors, with multiple FC and IP cards in each. What feature can be used to make their environment as fault tolerant as possible?
A. VRRP
B. Host based multipathing
C. Ethernet adapter teaming
D. Zone with SANvergence Manager
Answer: A

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