DC笔试90题的第86题要求选3个怎么答案就选了一个呢求解

smwmq

QUESTION 86
Your organization is purchasing Cisco devices as well as non-Cisco devices for switching. Which three
statements are correct about connecting Cisco devices to a non-Cisco 802.1Q cloud? (Choose three)
A. The non-Cisco 802.1Q cloud that separates the Cisco devices is treated as a single broadcast segment between all devices connected to the non-Cisco 802.1Q cloud through 802.1Q trunks.
B. Because Cisco devices transmit BPDUs to the SSTP multicast MAC address on VLANs other than the native VLAN of the trunk. non-Cisco devices do not recognize these frames as BPDUs and flood them on all ports in the corresponding VLAN.
C. Cisco devices connected to the non-Cisco 802.1Q cloud receive these flooded BPDUs. This BPDU reception allows Cisco switches to maintain a per-VLAN spanning tree topology across a cloud of non-Cisco 802.1Q devices.
D. Additional equipment will be needed to transmit traffic between Cisco devices and non-Cisco 802.1Q cloud direct connectivity is not possible.
E. Because Cisco devices transmit BPDUs using the industry standard IEEE 802.1D spanning tree multicast MAC address (01-80-c2-00-00-00).
F. Only layer 3 connections will work between Cisco devices and non-Cisco 802.1Q cloud.

0x0C

选ABC

smwmq

0x0C 发表于 2015-12-29 14:21
选ABC

真实考试中这个题就是个多选题吧

0x0C

smwmq 发表于 2015-12-29 14:34
真实考试中这个题就是个多选题吧

应该是，都写了choose three