mods 11-13

What three blocks of addresses are defined by RFC 1918 for private network use? (Choose three.) 10.0.0.0/8 172.16.0.0/12 192.168.0.0/16 100.64.0.0/14 169.254.0.0/16 239.0.0.0/8

10.0.0.0/8 172.16.0.0/12 192.168.0.0/16

How many host addresses are available on the network 172.16.128.0 with a subnet mask of 255.255.252.0? 510 512 1022 1024 2046 2048

1022

Which subnet would include the address 192.168.1.96 as a usable host address? 192.168.1.64/26 192.168.1.32/27 192.168.1.32/28 192.168.1.64/29

192.168.1.64/26

A company has a network address of 192.168.1.64 with a subnet mask of 255.255.255.192. The company wants to create two subnetworks that would contain 10 hosts and 18 hosts respectively. Which two networks would achieve that? (Choose two.) 192.168.1.16/28 192.168.1.64/27 192.168.1.128/27 192.168.1.96/28 192.168.1.192/28

192.168.1.64/27 192.168.1.96/28

Which three addresses are valid public addresses? (Choose three.) 198.133.219.17 192.168.1.245 10.15.250.5 128.107.12.117 172.31.1.25 64.104.78.227

198.133.219.17 128.107.12.117 64.104.78.227

Which address prefix range is reserved for IPv4 multicast? 240.0.0.0 - 254.255.255.255 224.0.0.0 - 239.255.255.255 169.254.0.0 - 169.254.255.255 127.0.0.0 - 127.255.255.255

224.0.0.0 - 239.255.255.255

A site administrator has been told that a particular network at the site must accommodate 126 hosts. Which subnet mask would be used that contains the required number of host bits? 255.255.255.0 255.255.255.128 255.255.255.224 255.255.255.240

255.255.255.128

How many host addresses are available on the 192.168.10.128/26 network? 30 32 60 62 64

62

What is the usable number of host IP addresses on a network that has a /26 mask? 256 254 64 62 32 16

62

How many bits must be borrowed from the host portion of an address to accommodate a router with five connected networks? two three four five

three