单项选择题

OnCiscoNexus5000SeriesSwitches，wherearethevirtualoutput……

On Cisco Nexus 5000 Series Switches， where are the virtual output queues implemented， and what is the main purpose of virtual output queues？（）

A. on all ingress interfaces； to ensure maximum throughput on a per-egress， per-CoS basis
B. on all ingress interfaces； to provide independent congestion management and 16 queues
C. on all egress interfaces； so that a congested egress port does not affect traffic directed to other egress ports
D. on all egress interfaces； to prevent head-of-line blocking by utilizing multiple virtual output queues
E. on all egress interfaces； to be able to use EEE 802.1p CoS

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热门试题

单项选择题navirtualportchannel（vPC）configuration，VRRPexhibitswhichcharacteristic？（）

A. VRRP does not work with vPC due to industry standard requirements
B. VRRP works with vPC in traditional active/standby modes
C. VRRP works with vPC in an active/active mode
D. VRRP work with vPC as long as vPC peer-gateway is configured to address non-standard replies to the physical MAC address

单项选择题Whatdoesthemacpacket-classifycommanddowhenappliedtoaninterfaceconfiguration？（）

A. It enables MAC ACLs to be applied to only IP packets that enter the interface.
B. It enables MAC ACLs to be applied to only non-IP packets that enter the interface.
C. It enables MAC ACLs to be applied to all packets that enter the interface.
D. It enables MAC ACLs to be used for QoS settings.

单项选择题WhattaskscanonlybeperformedinthedefaultoradminVDC？（）

A. EPLD upgrade， IOS ISSU， FCoE feature enablement， CoPP configuration， and rolling back a checkpoint
B. EPLD upgrade， Cisco IOS ISSU， FCoE feature enablement， CoPP configuration， and ACL capture enablement
C. EPLD upgrade， Cisco IOS ISSU， FCoE feature enablement， CoPP configuration and SNMP configuration
D. EPLD upgrade， Cisco IOS ISSU， FCoE feature enablement， CoPP configuration， and write erase

多项选择题WhichtwoarebenefitsofusingremoteAAAservicesforCiscoNexusproducts？（）

A. They make it easier to manage user logins and passwords across devices.
B. They enable automated configuration backup for devices.
C. They centrally manage user attributes and permissions.
D. Local console access is never included in AAA and can be used for access when the AAA servers are down.

单项选择题WhichdescriptioniscorrectforaprivateVLANcommunityportwithrespecttoLayer2communications？（）

A. It communicates with all other community ports in the private VLAN domain.
B. It communicates with only isolated ports in the private VLAN domain.
C. It communicates only with other community ports in the same community and associated promiscuous ports.
D. It communicates only with associated promiscuous and isolated ports.