A.Add two more FastEthernet interfaces.
B.Add a second router to handle the vlan traffic.
C.Use a hub to connect the four vlans with a FastEthernet interface on router.
D.Implement a router-on-a-stick configuration.

A.The network administrator can apply port security to dynamic access ports
B.The network administrator can configure static secure or sticky secure mac addresses in the voice vlan.
C.The sticky learning feature allows the addition of dynamically learned addresses to the runningconfiguration.
D.The network administrator can apply port security to EtherChannels.
E.When dynamic mac address learning is enabled on an interface，the switch can learn new addresses，up to the maximum defined.

A.1~99
B.100~199
C.1300~1999
D.2000~2699

A.The switch must be configured with an IP address,subnet mask,and default gateway.
B.The switch must be connected to a router over a VLAN trunk.
C.The switch must be reachable through a port connected to its management VLAN.
D.The switch console port must be connected to the Ethernet LAN.
E.The switch management VLAN must be created and have a membership of at least one switch port.
F.The switch must be fully configured as an SNMP agent.

A.使用策略控制來結(jié)合認(rèn)證、用戶接入和管理員接入對接入安全性進(jìn)行擴展
B.提供更大的靈活性和機動性、增強的安全性以及用戶生產(chǎn)力增益
C.對所有用戶采用統(tǒng)一的安全策略
D.減少在擴展用戶和管理員對網(wǎng)絡(luò)的接入時所需的管理性和運營負(fù)擔(dān)