A.Subnet strategy for private companies.
B.Manage and scale the growth of the internal network.
C.Conserve public IP addresses so that we do not run out of them.
D.Allow access reserved to the devices.

A.data link
B.network
C.transport
D.presentation
E.physical

A.中間人泄露信息
B.主機(jī)或應(yīng)用程序處理非預(yù)期狀況失敗
C.緩沖區(qū)溢出
D.網(wǎng)絡(luò)、主機(jī)或應(yīng)用程序不能處理量非常大的數(shù)據(jù)

A.The IP address of sever 1.
B.The MAC address of NIC in sever 1.
C.The IP address of F0/0 interface of router R1.
D.The MAC address of the Fa0/0 interface of router R1.
E.The IP address of the s0/0/0 interface of router R2
F.The MAC address of the s0/0/0 interface of router R2

A.VLANs establish broadcast domains in switched networks.
B.VLANs utilize packet filtering to enhance network security.
C.VLANs provide a method of conserving IP addresses in large networks.
D.VLANs provide a low-latency internetworking alternative to routed networks.
E.VLANs allow access to network services based on department,not physical location.
F.VLANs can greatly simplify adding,moving,or changing hosts on the network.