24. Refer to the exhibit. From the MAC addresses shown in the command output, to which two ports is the multicast stream 225.230.57.199 being forwarded on this switch? (Choose two.)
他们都支持本征VLAN
E. 802.1Q does not encapsulate the original frame.
如图所示，这是显示MAC地址库的命令的输出，在这个交换机那两个端口是组播 225.230.57.199的转发端口?
A. Fa6/28 B. Fa7/20 C. Gi3/7 D. Fa4/2 E. Fa4/14 F. Fa4/38 G. Fa6/28 H. Fa5/7
Answer: CE
25. You are about to migrate a customer network to use a VSS. Which of these statements is true about a VSS? 你要把网络升级为使用VSS,关于VSS的描述哪个是正确的 A. The VSS switch must be the root bridge for all VLANs and is automatically designated. B. The VSS switch is defined in RFC 4318 as a managed object. C. The PAgP+ or LACP protocols are used to maintain the operational state of the VSS devices.
PagP或LacP协议使用VSS设备
D. A VSS interoperates with a virtual port channel. E. The 802.1Q or ISL protocols are used to maintain the operational state of the VSS devices. F. A VSS increases the size of the spanning-tree domain.
Answer: C
