多项选择题

Which two are natively included by the IEEE 802.1w standard？（）

A.instances can control a selection of VLANs
B.load balancing
C.fast transition to forwarding state
D.backbone，uplink，and portfast （or equivalent）
E.root，loop，and BPDU guard （or equivalent）

点击查看答案

上一题目录下一题

相关考题

多项选择题

Which two attributes need to match for two switches to become members of the same MST region？（）

A.the table of 4096 elements that map the respective VLAN to STP instance number
B.VTP version
C.configuration revision number
D.native VLAN ID

单项选择题

Multicast is being deployed in the network， and only ip pim sparse-dense mode has been configured on allinterfaces in the network to support a new video streaming application. No other multicast configuration wasapplied anywhere in the network. Since enabling multicast， the network monitoring tools show periodic spikes in link utilization throughout the network， even in areas where the video application is not being used.What could be a possible cause？（）

A.PIM sparse mode is being used.
B.PIM dense mode is being used.
C.The BGP multicast address family has not been configured.
D.IGMP version 3 is being used.
E.IP PIM neighbor filters have not been applied.

单项选择题

Which configuration would make an IP SLA probe use a precedence value of 5？（）

A.ip sla 1 icmp-echo 1.1.1.1 tos 160
B.ip sla 1 icmp-echo 1.1.1.1 tos 20
C.ip sla 1 icmp-echo 1.1.1.1 precedence 5
D.ip sla 1 icmp-echo 1.1.1.1 dscp 20