Internet的网络默认B类的掩码为（） ["255.255.255.255","255.255.255.0","255.255.0.0","255.0.0.0"]
教练式属于心理健康教育课程的（）形式
R1 has 5 working interfaces, with EIGRP neighbors existing off each interface. R1 has routes for subnets 10.1.1.0/24, 10.1.2.0/24, and 10.1.3.0/24, with EIGRP integer metrics of roughly 1 million, 2 million, a nd 3 million, respectively. An engineer then adds the ip summary - address eigrp 1 10.1.0.0 255.255.0.0 command to interface Fa0/0. Which of the following is true?（） [" R1 loses and then reestablishes neighborships with all neighbors."," R1 no longer advert ises 10.1.1.0\/24 to neighbors connected to Fa0\/0."," 1 advertises a 10.1.0.0\/16 route out Fa0\/0, with metric of around 3 million (largest metric of component subnets)."," R1 advertises a 10.1.0.0\/16 route out Fa0\/0,with metric of around 2 million (med ian metric of component subnets)."]
股权
在起重作业中，（）斜拉、斜吊和起吊地下埋设或凝结在地面上的重物。 ["无所谓","禁止","允许","看情况"]
董事
