Exam
: HP HP0-236
Title
: Supporting SAN Infrastructure & Solutions
Version : R6.1
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1. What should be the maximum number of active storage controller ports per inter-switch link in a high throughput computing environment? A. 2 B. 4 C. 10 D. 20 Answer: D
2. Which factor can reduce the performance between devices in a Fibre Channel SAN? A. hop count B. switch latency C. inter-switch link latency D. inter-switch link congestion Answer: D
3. Which ports should you use on a B-series switch to establish two Wavelength Division Multiplexing links to a remote site? A. ports which belong to the same "Quad" B. ports which belong to different "Quads" C. ports on different switches D. only 2 Gbps ports Answer: B
4. What do you recommend if a performance bottleneck is discovered on a link between a 1 Gbps and a 2 Gbps B-series switch? A. Implement trunking on this link. B. Implement port channeling on this link. C. Use multi-mode cable instead of single mode. D. Replace the 1 Gbps switch with a 2 Gbps switch. Answer: D
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5. A complex SAN designed for applications with small IOs is used primarily by applications with large IOs. What is the impact to the SAN? A. The supported hop count is reduced. B. There may be congestion on inter-switch links. C. None. SAN design is not dependent on application IO size. D. The buffer-to-buffer credit on the storage system must be recalculated. Answer: B
6. What allows you to check if the configuration of a new switch is compatible with an existing fabric configuration in a B-series fabric? A. Network View B. Fabric Manager C. High Availabiity Fabric Manager D. OpenView SAN Manager Answer: B
7. What is the most effective way to integrate 2 Gbps switches in existing 1 Gbps switch fabrics with many-to-many access? A. Use 2 Gbps as core and 1 Gbps as edge switches. B. Use 1 Gbps as core and 2 Gbps as edge switches. C. Create separate zones for the 1 Gbps and 2 Gbps switches. D. Use trunking to link every two 1 Gbps ports to a 2 Gbps connection. Answer: A
8. Which zoning type is supported if B-series switches are connected to third-party switch products? A. switch/port level B. AL_PA level C. mixed D. WWN level Answer: D
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9. Which environment supports a direct Fibre Channel connection between a storage array and server? A. NonStop server with XP array B. NonStop server with EVA array C. MPIO with EVA array D. Microsoft Cluster with MSA1000 Answer: A
10. How can you activate optional security features on M-series switches? A. Enable Secure Fabric mode. B. Use VSANs instead of zones. C. Enable Enterprise Fabric mode. D. Use object level zoning. Answer: C
11. What does the HP SAN Security Services Product provide? A. security services which include the implementation of third party security products B. security services which include security review, planning and ongoing audit C. fiber optic components which do not emit electromagnetic radiation D. product specific installation and maintenance, but no security audit Answer: B
12. What must you use to establish a communication link between two existing fabrics with different PID bit settings? A. a router B. a bridge C. virtual SANs D. tunneling Answer: A
13. A customer requests an inventory and storage resource planning tool in a SAN environment. What is
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the recommended software? A. Array Configuration Utility B. HP OpenView Storage Builder C. HP OpenView Storage Allocater D. Storage System Array Controller Software Answer: B
14. What is the meaning of multipathing in a SAN environment? A. a general term for trunking and port channeling B. at least two separate data paths between server and storage C. a SAN topology where any switch has at least two links to any other switch D. at least two inter-switch links between switches Answer: B
15. Which security feature in an M-series environment allows only registered servers or storage systems to connect to the fabric? A. fabric binding B. switch binding C. WWN zoning D. VSAN Answer: B
16. Which B-series switch command provides overview error information with port focus? A. errShow B. switchShow C. portShow D. portlogDump Answer: C
17. Zoning on B-series switches is limited by the _____.
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A. number of zones in a configuration B. size of the zoning database C. number of configurations in main memory D. number of members in a zone Answer: B
18. A cascaded B-series fabric is extended by additional servers and storage subsystems. The application response time drops below the customer's expectations. Which metric in the portStatsShow command output allows you to verify that inter-switch link congestion is NOT the problem? A. stat_lc_rx B. tim_txcrd_z C. er_trunc D. er_bad_eof Answer: B
19. To solve a customer problem, you need to log in to a High Availability Fabric Manager appliance locally from the LCD front panel. The customer does not know the password for the local login. What is the factory default? A. AAAAAAAA B. 9999 C. XXXXXXXX D. 0000 Answer: B
20. Which High Availability Fabric Manager GUI function do you use to get zoning and detailed information for attached devices in an M-series fabric? A. Initial Program Load B. Data Collection option C. Element Manager - Hardware View D. Firmware Download
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Answer: B
21. The switches in a B-series fabric are enabled for trunking. You connect multiple inter-switch links between the same two ASICs of adjacent switches, but the trunk does not come online immediately. How do you solve this problem? A. Reboot the switches. B. Use portCfgSpeed to lock the ports to 2 Gb/s. C. Use iodSet to enable in-order delivery. D. Use dlsSet to enable dynamic load sharing. Answer: B
22. An M-series fabric is extended by additional servers and storage subsystems which are not registered in the zoning configuration. How does this affect the "default zone" connectivity of the new devices? A. Access is blocked if HP defaults apply. B. Access is blocked if McData defaults apply. C. Access is enabled regardless of HP or McData defaults. D. Access is blocked regardless of HP or McData defaults. Answer: A
23. Which B-series command provides error information with switch focus? A. errShow B. errDump C. porterrShow D. portstatsShow Answer: A
24. A switch reconfiguration causes segmentation of an M-series fabric. What is a possible cause? A. trunk mastership B. transmission speed C. switch priority
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D. oversubscription ratio Answer: C
25. You are building an inter-switch link trunk at a customer site. Available link cables should be used. Which cable length restriction should be considered? A. Cables must be less than 30 m. B. Cables must be the same length. C. Cable length difference should not exceed 30 m. D. Cable length difference should not exceed 800 m. Answer: C
26. Registered State Change Notification _____. A. increases the fabric performance B. has no influence on the fabric performance C. disrupts I/O, temporarily reducing the fabric performance D. disrupts I/O, permanently reducing the fabric performance Answer: C
27. Which command results in a temporary fabric performance reduction? A. cfgCreate B. cfgAdd C. cfgRemove D. cfgEnable Answer: D
28. To maintain the more secure hard zoning mechanism on B-series switches, you should NOT exceed the maximum number of _____. A. port buffers per switch quad B. port buffers per switch backplane C. source IDs per switch quad
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D. source IDs per switch backplane Answer: C
29. You are replacing a failed Director switch in an M-series fabric. What must you do before you connect the replacement switch to the fabric in order to use High Availability Fabric Manager to download the configuration onto the new switch? A. No action is required. Connect the replacement switch. B. Manually set up the complete configuration on the new switch. C. Unzone the switch and assign the IP address of the replaced switch. D. Upload the configuration from another switch in the fabric and download it to the new one. Answer: C
30. Which zoning configurations can be transferred by moving a switch from one fabric to a new one? A. only active zone configurations from a B-series switch B. only defined zone configurations from an M-series switch C. active and defined zone configurations from a B-series switch D. active and defined zone configurations from an M-series switch Answer: C
31. How can you improve the performance of an under-utilized long distance fiber connection? A. Increase buffer to buffer credits. B. Use trunking on the inter-switch link. C. Use a 2 Gbps instead of a 1 Gbps link. D. Use multimode instead of single mode fiber cable. Answer: A
32. The fabric routing approach of C-series products is to _____. A. link SAN subnetworks of switches B. link groups of ports from one or more switches C. enable replication for continuous access
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