多项选择题
A.bridging VLANs on two switches
B.bridging two VLANs on one switch
C.between two Layer 2 devices with trunking
D.between two Layer 2 devices without trunking
E.between a Layer 2 device and a Layer 3 device with trunking
单项选择题 Inbasee-Commercemoduledesigns，whereshouldfirewallperimetersbeplaced？（）
多项选择题 WhichtwoofthesearecharacteristicsofanIDSsensor？（）
多项选择题 Users of a site-to-site VPN are reporting performance problems. The VPN connection employs IPSec and GRE and traverses several Ethernet segments. The VPN packets are being fragmented as they traverse the links. What would be two methods to overcome this problem?（）