【单选题】FC-SAN与IP-SAN比较哪项是错误的()。
A.
FC-SAN受到传输距离的限制,IP-SAN理论上不受限制
C.
FC-SAN容灾的硬件、软件成本高,IP-SAN本身可以实现本地和异地容灾且成本低
D.
FC-SAN要单独建设光纤网络和HBA卡,IP-SAN可使用现有IP网络
【单选题】Either a low injection pressure or a leakage of piston rings is able to lead _____.
A.
a high exhaust temperature
【单选题】以下关于序列密码和分组密码的比较,不正确的是( )
A.
序列密码中明文和密码的二进制序列长度与密码序列的长度完全相同
C.
序列密码的实现需要密码同步,而分组密码不需要
D.
在相同环境下,序列密码系统的速度要比分组密码系统慢
【多选题】目前常见的SAN(Storage Area Network and SAN Protocols,存储区域网络)有哪些?
【单选题】No matter how low you consider yourself , there is always someone ___ you wishing they were that high.
【单选题】The underlined word annotated in the second paragraph most probably means ______.