【多选题】The DAI feature has been implemented in the Company switched LAN. Which three statements are true about the dynamic ARP inspection (DAI) feature? ()
A.
DAI can be performed on ingress ports only.
B.
DAI can be performed on both ingress and egress ports.
C.
DAI is supported on access ports, trunk ports, EtherChannel ports, and private VLAN ports.
D.
DAI should be enabled on the root switch for particular VLANs only in order to secure the ARP caches of hosts in the domain.
E.
DAI should be configured on all access switch ports as untrusted and on all switch ports connected to other switches as trusted.
【简答题】Write a short essay entitled Fast Food and Traditional Chinese Cooking. You should write at least 120 words following the outline given below: 1.很多人越来越喜欢西式快餐,如麦当劳(McDonald)、肯德基(KFC)。 2.你更喜欢西式快餐还是传统的中餐...