单项选择题
A. /26 B. /27 C. /28 D. /29
You have been assigned the /24 network and need to segm...
单项选择题You have been assigned the /24 network and need to segment it into at least 60 subnets.Which network mask meets this requirement?（）
A. /27 B. /28 C. /29 D. /30
Which network mask is the equivalent of 255.255.248.0?（...
单项选择题Which network mask is the equivalent of 255.255.248.0?（）
A. /20 B. /21 C. /22 D. /23
Which two protocols use UDP as a transport protocol by ...
多项选择题Which two protocols use UDP as a transport protocol by default?（）
A. Telnet B. ICMP C. DHCP D. RIP
