單項選擇題At a certain customer’s site， a NAS is logically in the traffic path but not physically in the trafficpath. The NAS identifies clients by their IP addresses. In which access mode has this NAS beenconfigured to operate？（）

A. Layer 2 Edge mode
B. Layer 2 Central mode
C. Layer 2 In-Band mode
D. Layer 3 mode


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1.多項選擇題Which two statements about zoning are correct？（）

A. Zoning increases security.
B. DNS queries are used for software zoning.
C. Software zoning is more secure than hardware zoning.
D. When using zones and VSANs together， the zone is created first.
E. Zoning requires that VSANs be established before it becomes operational.

3.多項選擇題Which two statements about FCIP and iSCSI are correct？（）

A. The FCIP stack supports file-level storage for remote devices.
B. Both require high throughput with low latency and low jitter.
C. The purpose of FCIP is to provide connectivity between host and storage.
D. The iSCSI stack supports block-level storage for remote devices.
E. The purpose of iSCSI is to provide connectivity between separate wide-area SANs.

4.多項選擇題In a collapsed core design， which two benefits are provided by a second-generation Cisco MDS director？ （）

A. a higher fan-out ratio
B. fully redundant switches
C. 100 percent port efficiency
D. all ISLs contained within a single chassis
E. higher latency and throughput than a core-edge design switch

5.單項選擇題Which path selection protocol is used by Fibre Channel fabrics？（）

A. IVR
B. VoQ
C. FSPF
D. VSANs
E. SANTap