单项选择题
A.DHCP B.TCP/IP C.NAT D.SNMP
Which of the following processes translates a private I...
单项选择题Which of the following processes translates a private IP address for a public IP address?（）
A.NAT B.DNS C.DHCP D.PAT
Which of the following holds multiple connections and i...
单项选择题Which of the following holds multiple connections and is usually maintained by the telephone company?（）
A.Demarc B.IDF C.MDF D.110 block
Which of the following DNS record types provides the ho...
单项选择题Which of the following DNS record types provides the hostname to IP address mapping?（）
A. A record B. NS record C. CNAME record D. MX record
