What is the appliance port used to connect to in a Cisco Unified Computing System？（）

A. End-host mode is synonymous with NPV mode.
B. In end-host mode， only hard pinning of vHBAs to Fibre Channel uplink ports is allowed.
C. Making configuration changes between Fibre Channel switching mode and end-host mode is nondisruptive.
D. End-host mode is the default Fibre Channel switching mode.

A. In the blade BIOS
B. In the operating system
C. In the service profile
D. In the card option ROM

A. The QoS policy assigns a system class to the outgoing traffic for a vNIC or vHBA.
B. Flow-control policies determine whether the uplink Ethernet ports in a Cisco UCS environment send and receive IEEE 802.3x pause frames when the send buffer for a port fills.
C. If no system class is configured as CoS 0， the Fibre Channel system class is used.
D. The user can configure QoS for these system classes： platinum， gold， silver， best effort， Fibre Channel.
E. When configuring a system class， the type of adapter in a server may limit the maximum MTU supported.