单项选择题

How can Cisco NetFlow be used to aid in the operation and troubleshooting of QoS issues? （）

A. NetFlow can report on the number of traffic matches for each class map in a configured QoS policy configuration.
B. NetFlow records can be used to understand traffic profiles per class of service for data, voice, and video traffic.
C. NetFlow can discover the protocols in use and automatically adjust QoS traffic classes to meet policy-map requirements.
D. NetFlow can be configured to identify voice and video traffic flows and place them into a low-latency queue for expedited processing.

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热门试题

单项选择题When an IP packet is Layer 3-switched from a source in one VLAN to a destination in another VLAN,which field in a packet will be rewritten? （）

A. Layer 2 TTL
B. Layer 3 TTL
C. Layer 3 source address
D. Layer 3 transport protocol
E. Layer 3 destination address

单项选择题On a Cisco Catalyst switch, which configuration command is used to apply a VACL named test to filterthe traffic within VLAN100? （）

A.interfacevlan100ipaccess-grouptest
B.interfacevlan100ipaccess-grouptestin
C.interfacevlan100ipaccess-grouptestout
D.vlanfiltertestvlan-list100
E.vlanaccess-maptest100

单项选择题When you enter the interface command auto qos voip cisco-phone on a port at the edge of a network,how does the Cisco Catalyst switch detect if a Cisco IP Phone is connected to the port?（）

A. by snooping the CoS marking on the incoming frames
B. by using RTP hello messages between the switch port and the Cisco IP Phone
C. by using CDP
D. by using DHCP snooping
E. by snooping the incoming 802.1Q VLAN tag

多项选择题Refer to the exhibit. Users complain that they intermittently lose data and connections to important servers. After investigation, you discover that the 802.1Q trunk between DSW111 and ASW1 is down. Even though the HSRP group 11 is being serviced by DSW112, you discover that the SVI for VLAN 11 is in the up state on DSW111. Which three Cisco Catalyst IOS commands should you use on DSW111 to find the source of this problem? （）(Choose three.)

A. show vtp status
B. show interfaces vlan 11
C. show standby vlan 11 brief
D. show spanning-tree vlan 11
E. show interfaces mod/port trunk

单项选择题What is a primary objective of the security architecture assessment? （）

A. document power and UPS availability
B. to integrate routing and switching components
C. create a design specification document
D. document the customer's current and future technology projects