单项选择题
X.25协议提供给用户的可用的逻辑信道最多为()条。
A.16 B.32 C.4095 D.4096
单项选择题 The network administrator is asked to configure 113 point-to-point links.Which IP addressing scheme best defines the address range and subnet mask that meet the requirement and waste the fewest subnet and host addresses?()
单项选择题 X.25使用映射的作用是()。
填空题 衡量网络性能的主要标准是()、()。