多项选择题

Which two of these correctly describe Fibre Channel？（）

A. supports multiple protocols
B. works only in a shared or loop environment
C. allows addressing for up to 4 million nodes
D. allows addressing for up to 8 million nodes
E. provides a high speed transport for SCSI payloads
F. may stretch to a distance of up to 100 km before needing extenders

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多项选择题

Which two statements about Network Attached Storage are correct？（）

A. Data is accessed using NFS or CIFS.
B. Data is accessed at the block level.
C. NAS is referred to as captive storage.
D. Storage devices can be shared between users.
E. A NAS implementation is not as fast as a DAS implementation.

单项选择题

Which statement about data center access layer design modes is correct？（）

A. The access layer is the first oversubscription point in a data center design.
B. When using a Layer 2 loop-free design， VLANs are extended into the aggregation layer.
C. When using a Layer 2 looped design， VLANs are not extended into the aggregation layer.
D. When using a Layer 3 design， stateful services requiring Layer 2 connectivity are provisionedfrom the aggregation layer.
E. The data center access layer provides the physical-level connections to the server resourcesand only operates at Layer 3.

单项选择题

Which statement correctly describes a situation in which VRFs are used in the data center？（）

A. Partitioning of network resources is enabled.
B. VRFs cannot support path isolation from MAN/WAN designs.
C. VRFs cannot be used to map a virtualized data center to a MPLS implementation.
D. VRFs do not allow for the use of application services with multiple access topologies.
E. An access design using a VRF allows for an aggregation layer service module solution.