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IBM C4090-456 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: XIV Storage System Overview | 20% | - Competitive advantages - Architecture and business value |
| Topic 2: XIV Hardware Architecture | 25% | - System components and modules - Gen1 / Gen2 / Gen3 differences - Reliability and serviceability |
| Topic 3: XIV Software & Features | 30% | - Snapshots and consistency groups - Thin provisioning - Remote mirroring (sync/async) - GUI and CLI management |
| Topic 4: Capacity & Performance Design | 15% | - Performance optimization - Capacity on Demand - Workload sizing and best practices |
| Topic 5: Interoperability & Migration | 10% | - Host connectivity - Data migration methods - Virtualization integration |
IBM XIV Storage System Technical Solutions V4 Sample Questions:
1. The modem installed in the XIV is used for what?
A) XRSCconnectivity
B) setting up modules
C) externally servicing the system
D) the Call Home feature
2. A customer wants to set up a Windows 2008 cluster with three nodes, with application data presented from a fifteen module XIV Gen3. All three nodes will run applications under normal operating conditions. Each node has a single dual- port Fibre Channel host bus adapter.
Assuming a dual fabric SAN, how should the cluster nodes be zoned to the XIV within each SAN?
A) each host port should be zoned to a single port from three XIV modules, ensuring that the host port on the second fabric is zoned with a single port from the remaining three XIV modules
B) each host port should be zoned to a single port from two XIV modules, ensuring that the host ports from the remaining two nodes are zoned to different XIV modules
C) ports for all three nodes should be grouped together into a single zone, along with a single XIV port from each available XIV interlace module
D) each host port should be zoned to a single port from one XIV module, ensuring that no other host ports are zoned to the same module
3. Which statement is true when comparing an XIV Model 214 to Model 114?
A) Model 214 supports ECoFconnectivityover dedicated ports.
B) Model 214 adds SSD caching functionality.
C) Model 214 supports more HDDs in a fully configured system.
D) Model 214 adds aniSCSI 10Gb/s configuration option.
4. A customer wants to know how much capacity has been consumed against the Capacity on Demand entitlement on their XIV system.
How would the technical specialist determine the capacity consumed?
A) running the XCLI command system_capacity_list
B) running the XCLI command vol_list and summing the Used Capacity column
C) looking at the soft consumed capacity in the bottom left corner of the XIV GUI
D) running the XCLI command cod_list
5. For optimum redundancy, how many paths between the host and a 15 module XIV should be configured for each LUN?
A) 6 paths
B) 2 paths
C) 4 paths
D) 12 paths
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: A |



