Which of the following is the subnet mask for a Class C IP address?
A. 10.0.0.1
B. 192.168.1.1
C. 255.255.0.0
D. 255.255.255.0
CompTIA A+ Question C-37
Which of the following is the subnet mask for a Class A IP address?
A. 127.0.0.1
B. 255.0.0.0
C. 255.255.255.0
D. 255.255.255.254
CompTIA A+ Question C-15
Which of the following describes a Class A IP address?
A. The last octet is between 1 and 128 with a subnet mask of 255.0.0.0
B. The first octet is between 1 and 128 with a subnet mask of 255.255.255.0
C. The first octet is between 1 and 128 with a subnet mask of 255.0.0.0
D. The last octet is between 1 and 128 with a subnet mask of 255.255.255.0
CompTIA A+ Question B-21
A SOHO environment utilizes network hardware address filtering to minimize unauthorized use of its network infrastructure. A technician has been asked to install a shared network printer in the environment. Which of the following MUST the technician know in order to add the printer to the environment?
A. IP address of the printer
B. MAC address of the printer
C. Subnet mask of the network
D. Firmware version of the printer