You work as a network administrator at， You have been asked to configure 802.1x port-based authentication. You notice that the client workstation is not compatible with 802.1x port-based authentication. What supported authentication server should be chosen？（） TACACS with LEAP extensions。 RADIUS with EAP extensions。 TACACS+。 LDAP。
昆虫胚胎发育过程中从幼期状态改变为成虫状态的现象称（） A.孵化 。 B.脱皮 。 C.羽化 。 D.变态。
简述媒介广告的主要业务来源与主要经营方式。
Refer to the exhibit. R1 accesses the Internet using E0/0. You have been asked to co nfigure R1 so that a default route is generated to its downstream devices (191.0.0.1 and 192.0.0.1). Which commands would create this configuration? （） router eigrp 190 redistribute static ! ip route 0.0.0.0 0.0.0.0 Null0。 ip default - network 2 0.0.0.0。 router eigrp 190 redistribute static ! ip route 0.0.0.0 255.255.255.255 Null0。 ip default - network 20.20.20.0。
发电机与至变压器的连接采用什么母线及其优缺点？
广告创意的特征包括（）
