pls explain thanks

computer network

Host has IP address 172.16.60.5 and subnet mask 255.255.224.0. 1. Show the class of the IP address 172.16.60.5. 2. Show the prefix of the network address to which the Host belongs .3. Show the host address that can be used in the network to which the Host belongs. . LAN shown in Figure 1, if the network devices N1, N2, and N3 are the following combinations: If so, indicate the number of LAN colition domains and broadcast domains: 1. N1 and N2 are switching hubs, N3 is a repeater hub, 2. N1, N2, and N3 are all switching hubs, 3. N1 is a router, and N2 and N3 are switching. Hub