【单选题】Travelers in space have to ______ many discomforts in their spaceships.
【单选题】According to the travel Web site, many travelers______staying at the Reliant Hotel in Hanoi.
【简答题】●交换式局域网的核心是 (34) 。局域网交换机可以在交换机的多个端口之间同时建立多个 (35) 。对于交换式以太网的说法不正确的是 (36) 。 (34) A.路由器 B.服务器 C.局域网交换机 D.带宽 (35) A.IP包交换 B.传输层连接 C.并发连接 D.超链接 (36) A.它保留现有以太网的基础设施,而不必把还能工作的设备扔掉 B.以太网交换机有着各类广泛的应用--与现行的中继器...
【单选题】For many travelers, charter vacations often turn out to cost considerably more than ______.
A.
they originally seemed
B.
they originally seem to
C.
they seemingly would cost originally
D.
they seemed originally
【简答题】故障现象:VIP小区2的用户不能上网,但能ping通其TCP/IP配置信息中的网关地址。 故障分析:由于VIP小区2的用户配置的是静态IP地址,而且处在同一网段,共用路由器2上的一个IP地址作为网关地址。用户能ping通其TCP/IP配置信息中的网关地址,间接说明他能ping通路由器 2与三层交换机2相连接口的IP地址,这也进一步说明从该VIP用户到路由器2之间的物理路径是连通的,因此需重点检查路...
【单选题】For many travelers, security checks are as necessary as they are ____ .
【单选题】On the desert travelers of t en see rivers and lakes.
【单选题】路由器和3层交换机工作在( ),其作用是在不同的网络间存储转发分组(数据报),具有IP寻址功能。
【单选题】The reason why many big hotels are being torn down is that______.
A.
more and more travelers choose to stay in motels
B.
people want to spend their time in a more quiet place
C.
it costs too much money for people to stay in a hotel
D.
cities have become short of land for building large hotels