code

What is the prefix length notation for the subnet mask 255.255.255.224?

/27

Consider the following range of addresses: 2001:0DB8:BC15:00A0:0000::2001:0DB8:BC15:00A1:0000::2001:0DB8:BC15:00A2:0000::...2001:0DB8:BC15:00AF:0000::

/60

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

Refer to the exhibit. Considering the addresses already used and having to remain within the 10.16.10.0/24 network range, which subnet address could be assigned to the network containing 25 hosts?

10.16.10.64/27

How many host addresses are available on the network 172.16.128.0 with a subnet mask of 255.255.252.0?

1022

Refer to the exhibit. An administrator must send a message to everyone on the router A network. What is the broadcast address for network 172.16.16.0/22?

172.16.19.255

Which subnet would include the address 192.168.1.96 as a usable host address?

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.)

192.168.1.64/27 192.168.1.96/28

Which address prefix range is reserved for IPv4 multicast?

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?

255.255.255.128

Which subnet mask would be used if 5 host bits are available?

255.255.255.224​

A network administrator subnets the 192.168.10.0/24 network into subnets with /26 masks. How many equal-sized subnets are created?

4

How many host addresses are available on the 192.168.10.128/26 network?

62

How many valid host addresses are available on an IPv4 subnet that is configured with a /26 mask?

62

A network administrator has received the IPv6 prefix 2001:DB8::/48 for subnetting. Assuming the administrator does not subnet into the interface ID portion of the address space, how many subnets can the administrator create from the /48 prefix?

65536

Which IPv6 prefix is reserved for communication between devices on the same link?

FE80::/10

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

Three

What type of IPv6 address is FE80::1?

link-local

An administrator wants to create four subnetworks from the network address 192.168.1.0/24. What is the network address and subnet mask of the second useable subnet?

subnetwork 192.168.1.64 subnet mask 255.255.255.192