Which three statements are typical characteristics of VLAN arrangements?() A new switch has no VLANs configured.。 Connectivity between VLANs requires a Layer 3 device.。 VLANs typically decrease the number of collision domains.。 Each VLAN uses a separate address space.。 A switch maintains a separate bridging table for each VLAN.。 VLANs cannot span multiple switches.。
蚜虫生长的适宜温度条件是() 10~18℃。 15~22℃。 18~25℃。 12~20℃。
晶体管毫伏表的量程一般为()。 0.01mV-1V。 1-300mV。 0.1mV-300V。 0.1mV-10V。
下列不是园林“五小”害虫的是() 蚜虫。 蚧。 粉虱。 食叶虫。
Refer to the exhibit.The network administrator requires easy configuration options and minimal routingprotocol traffic.Which two options provide adequate routing table information for traffic that passes betweenthe two routers and satisfy the requests of the network administrator?() a dynamic routing procotol on InternetRouter to advertise summarized routers to CentralRouter.。 a dynamic routing procotol on CentralRouter to advertise summarized routers to InternetRouter.。 a static route on InternetRouter to direct traffic that is destined for 172.16.0.0/16 to CentralRouter.。 a dynamic routing procotol on InternetRouter to advertise all routes to CentralRouer.。 a dynamic routing procotol on CentralRouer to advertise all routes to InternetRouter。 a static,default route on CentralRouter that directs traffic to InternetRouter.。
变更需要调整合同价格时,按以下()原则确定其单价或合价。