1. [单选题]某局域网采用SNMP进行网络管理,所有被管设备在15分钟内轮询一次,网络没有明显拥塞,单个轮询时间为0.4s,则该管理站最多可支持______个设备。
A. 18000
B. 3600
C. 2250
D. 90000
2. [单选题]is a complex consisting of two or more connected computing units, it is used for the purpose of data communication and resource sharing.
A. Computer network
B. Computer device
C. Computer processor
D. Computer storage