单项选择题
A. Assign an IP address of 10.1.3.1/24 to VLAN3.
B. Configure default gateways to IP address 10.1.10.1 on each host.
C. Enable IP routing on the switch D-SW1.
D. Configure a default route that points toward network 200.1.1.0/24.
E. Configure default gateways to IP address 10.1.2.1 on each host.
F. Configure default gateways to IP address 200.1.1.2 on each host.
单项选择题 Refer to the exhibit. Host A and Host B are connected to the Catalyst 3550 switch and have been assigned to their respective VLANs. The rest of the 3550 configuration is the default configuration. Host A is able to ping its default gateway， 10.10.10.1， but is unable to ping Host B. Given the output displayed in the exhibit， which statement is true？ （）
单项选择题 Refer to the exhibit. Dynamic ARP inspection （DAI） is enabled on switch SW_A only. Both Host_A and Host_B acquire their IP addresses from the DHCP server connected to switch SW_A. What would the outcome be if Host_B initiated an ARP spoof attack toward Host_A ？ （）
单项选择题 Refer to the exhibit. What will happen to traffic within VLAN 14 with a source address of 172.16.10.5？ （）
