26: you are given an ip network of 192.168.5.0 and told that you need to separate this network into subnetworks that can support a maximum of 16 hosts per subnet. this will help alleviate congestion on the network. what subnet mask can you use to create the subnets necessary to meet the given criteria?

　　a. 255.0.0.0

　　b. 255.255.0.0

　　c. 255.255.255.0

　　d. 255.255.255.224

　　e. 255.255.255.240
　　
　　27: which of the following would a class a network be assigned to?

　　a. government agency

　　b. small-to-medium sized corporation

　　c. soho

　　d. an individual
　　
　　28: a client has the ip address 192.168.5.98/27. which of the following addresses are on the same subnet as this host? (choose two.)

　　a. 192.168.5.95

　　b. 192.168.5.100

　　c. 192.168.5.128

　　d. 192.168.5.110
　　
　　29: which of the following ip addresses is not a public ip address that can be routed over the internet?

　　a. 2.3.4.5

　　b. 11.12.13.14

　　c. 165.23.224.2

　　d. 172.31.45.34

　　e. 203.33.45.22
　　
　　30: you are given a class b network. what is the default subnet mask assigned to the class b network?

　　a. 255.255.255.255

　　b. 255.255.0.0

　　c. 255.224.0.0

　　d. 0.0.0.0