VLAN（Virtual Local AreaNetwork）即虚拟局域网，是一种通过将局域网内的设备逻辑地而不是物理地划分成一个个网段从而实现虚拟工作组的技术。

A .  Auto B .  Negotiate C .  Designate D .  No negotiate

A . Router A is the master virtual router， and Router B is the backup virtual router. When Router A fails， Router B will become the master virtual router. When Router A recovers， Router B will maintain the role of master virtual route B . Router A is the master virtual router， and Router B is the backup virtual router. When Router A fails， Router B will become the master virtual router. When Router A recovers， it will regain the master virtual router role C . Router B is the master virtual router， and Router A is the backup virtual router. When Router B fails， Router A will become the master virtual router. When Router B recovers， Router A will maintain the role of master virtual router. D . Router B is the master virtual router， and Router A is the backup virtual router. When Router B fails， Router A will become the master virtual router. When Router B recovers， it will regain the master virtual router role

A . 正确 B . 错误

A . Upgrade to VMControl Standard Edition B . Upgrade to VMControl Enterprise Edition C . Upgrade to latest version of VMControl Express Edition D . Download the latest fixes for VMControl Express Editio

A .  Router A is the master virtual router， and Router B is the backup virtual router. When Router A  fails， Router B will become the master virtual router. When Router A recovers， Router B will  maintain the role of master virtual router. B .  Router B is the master virtual router， and Router A is the backup virtual router. When Router B  fails， Router A will become the master virtual router. When Router B recovers， it will regain the  master virtual router role. C .  Router A is the master virtual router， and Router B is the backup virtual router. When Router A  fails， Router B will become the master virtual router. When Router A recovers， it will regain the  master virtual router role. D .  Router B is the master virtual router， and Router A is the backup virtual router. When Router B  fails， Router A will become the master virtual router. When Router B recovers， Router A will  maintain the role of master virtual router.

A . 用交换机端口号定义虚拟局域网； B . 用MAC地址定义虚拟局域网； C . 用网络层地址定义虚拟局域网； D . 依据IP组播划分虚拟局域网。

A . 802.1D B . 802.1Q C . 802.1ad D . 802.1ah

A . 正确 B . 错误

A .  Router A is the master virtual router， and Router B is the backup virtual router. When Router A fails，  Router B will become the master virtual router. When Router A recovers， Router B will maintain the role of  master virtual router. B .  Router A is the master virtual router， and Router B is the backup virtual router. When Router A fails，  Router B will become the master virtual router. When Router A recovers， it will regain the master virtual  router role. C .  Router B is the master virtual router， and Router A is the backup virtual router. When Router B fails，  Router A will become the master virtual router. When Router B recovers， Router A will maintain the role of  master virtual router. D .  Router B is the master virtual router， and Router A is the backup virtual router. When Router B fails，  Router A will become the master virtual router. When Router B recovers， it will regain the master virtual  router role.

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 . 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

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.

下面是关于派生类声明的开始部分，其中正确的是()。 A．class virtual B：public A B．virtual class B：public A C．class B：public A virtual D．class B：virtual publicA

是 否

A. TK2(config-if) switchport access vlan 50 B. TK2(vlan) vtp server C. TK2(config) config-revision 20 D. TK2(config) vlan 50 name Tech E. TK2(vlan) vlan 50 F. TK2(vlan) switchport trunk vlan 50

Are networks deployed on a network infrastructur E．A．public B．private C．local area D．wide area

A．an？external？network？on？VLAN？ID？10 B．an？internal？network？on？VLAN？ID？11 C．an？external？network？on？VLAN？ID？11 D．a？private？network？on？VLAN？ID？10 E．an？internal？network？on？VLAN？ID？10