【单选题】What is the main purpose (or functionality) of the Domain Name System (DNS)? A. To obtain the IP address given a machine's physical addressB. To obtain the port number of an applicationC. To obtain th...
A.
To obtain the IP address given a machine's physical address
B.
To obtain the port number of an application
C.
To obtain the IP address of a machine given its name
【单选题】An administrator must assign static IP addresses to the servers in a network.For network 192.168.20.24/29, the router is assigned the first usable host address while the sales server is given the last...
A.
IP address:192.168.20.14 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.9
B.
IP address:192.168.20.254 Subnet Mask:255.255.255.0 Default Gateway:192.168.20.1
C.
IP address:192.168.20.30 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.25
D.
IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.17
E.
IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.25