A.True

B.False

A.Data traffic from a Local zone to a Trust zone

B.Data traffic from a Trust zone to a demilitarized zone (DMZ)

C.Data traffic from an Untrust zone to a DMZ

D.Data traffic from an Untrust zone to a Local zone

A.Increase the collision

B.Guarantee the security

C.Support more network layer protocols

D.Restrict the scope of broadcast domain

A.It regularly sends VRRP packets.

B.It changes to the Backup state if the priority carried in the received packet is greater than its own priority.

C.It uses a virtual MAC address to respond to ARP requests sent from a virtual IP address.

D.It forwards an IP packet whose destination MAC address is a physical MAC address.

A.ACL consists of basic ACL, advanced ACL and interface-based ACL

B.ACL ranging from 2000 to 2999 belongs to advanced ACL

C.ACL ranging from 3000 to 3999 belongs to advanced ACL

D.Advanced ACL can be used to match either destination address or source address