VPLEX Specialist Exam for Implementation Engineers v8.0
Question 1
Refer to the exhibit.
Which two modules are used for WAN-COM connectivity?
- A. C and G
- B. C and D
- C. D and E
- D. G and H
Answer : A
Question 2
Refer to the exhibit.
What is the purpose of VPLEX Witness in a Metro environment?
- A. Prevent cluster link failure and stop I/O transfer. Split consistency groups and failover consistency groups.
- B. Send notifications and pause I/O transfer. Initiate vault dump and failover consistency groups.
- C. Observe state of the clusters and suspend I/O. Execute health check and resume I/O.
- D. Observe the state of the clusters and distinguish link outages. Intercluster failures and resume or suspend I/O.
Answer : D
Question 3
What is a group of VPLEX directors that participate in the cache coherence protocol for a virtual volume?
- A. Share Group
- B. Consistency Group
- C. Storage View
- D. Administrative Domain
Answer : A
Question 4
Refer to the exhibit.
You are preparing to upgrade a VPLEX Metro system. You ran the version command to begin the verification process and received the output shown.
What is the most likely reason for the warning?
- A. The Metadata volume is in an NDU state.
- B. The Cluster Witness is at the wrong version.
- C. The Management Server is at the wrong version.
- D. The directors are in an NDU state.
Answer : B
Question 5
What three elements are part of the VPLEX Storage View?
- A. VPLEX FE Port Top-Level Device Host IP address
- B. VPLEX FE Port Initiator Port Virtual Volume
- C. VPLEX BE Port VPLEX FE Port Virtual Volume
- D. VPLEX BE Port Initiator Port Virtual Volume
Answer : B
Question 6
Following EMC best practices, which information is required to register a VPLEX on an
ESRS portal?
- A. Site ID; cluster TLA serial number; Management server eth3 IP address
- B. License ID; engine serial number; Management server eth3 IP address
- C. Site ID; engine serial number; Management server eth3 IP address
- D. Site ID; cluster TLA serial number; Witness IP address
Answer : A
Question 7
Refer to the exhibit.
What is the module at IOM A0 used for?
- A. Director A Back-end Connectivity
- B. Director A WAN COM Connectivity
- C. Director A Front-end Connectivity
- D. Director A Local Com Connectivity
Answer : C
Question 8
A customer is moving some VMAX devices under a VPLEX Local and is using PowerPath as multipath software.
What is the SCSI product ID assigned to VPLEX volumes?
- A. Invista
- B. VPLEX
- C. PowerPath
- D. VMAX
Answer : A
Question 9
medium-sized VPLEX clusters are connected via IP with a round-trip latency of approximately 35 ms.
What type of configuration is this?
- A. Geo
- B. Metro
- C. Local
- D. Global
Answer : A
Question 10
Refer to the exhibit:
Which two modules are used for WAN-COM connectivity?
- A. C and G
- B. A and E
- C. D and E
- D. C and F
Answer : A
Question 11
What should be the maximum latency between a VPLEX Management Server and the
Cluster Witness?
- A. 1 sec
- B. 50 ms
- C. 5 ms
- D. 1 ms
Answer : A
Question 12
How do you verify that the VPLEX upgrade has completed successfully?
- A. Log into the VPLEX Unisphere interface.
- B. Run the cluster-summary command.
- C. Check that the system LED is green on each director.
- D. Run the ndu pre-check command.
Answer : D
Question 13
Do virtual volumes need to be taken off-line prior to upgrading VPLEX software, and why or whynot?
- A. Yes, to preserve data integrity
- B. Yes, because the host-based multi-pathing software provides direct access during the upgrade
- C. No, because VPLEX software can be upgraded non-disruptively
- D. No, because the upgrading can be undone
Answer : C
Question 14
What unique logical identifier is recommended when determining the relationship between a virtual volume and the back-end storage array?
- A. WWPN
- B. LUN ID
- C. VPD ID
- D. FCID
Answer : C
Question 15
What is EMC's best practice for fault tolerance when zoning a VPLEX Metro together over fibre channel for successful communication between the sites?
- A. Ensure that all fibre channel WAN-COM ports are zoned to each other in both SAN fabrics (Many-to-Many Zoning).
- B. Ensure that all fibre channel Local-COM ports are zoned to the WAN-COM ports in both SAN fabrics (One-to-Many Zoning).
- C. Ensure that all fibre channel Local-COM ports are zoned to each other in both SAN fabrics (Many-to-Many Zoning).
- D. Ensure that all fibre channel WAN-COM ports are zoned to each other in both SAN fabrics (One-to-Many Zoning).
Answer : D