A. /26 B. /27 C. /28 D. /29
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
单项选择题Which network mask is the equivalent of 255.255.248.0?()
A. /20 B. /21 C. /22 D. /23
多项选择题Which two protocols use UDP as a transport protocol by default?()
A. Telnet B. ICMP C. DHCP D. RIP
多项选择题Which three protocols use UDP as a transport protocol by default?()
A. HTTP B. TFTP C. DNS D. SNMP E. SMTP
多项选择题You have been asked to develop an application that uses only connection-oriented protocols. Which two protocols can you use?()
A. PPP B. UDP C. TCP D. ICMP