Failed Test Questions

Class A

0-127 Subnet- 255.0.0.0

If dynamic DNS is being used, which of the following events will cause a dynamic update for host records?

-the ipconfig/ release command is entered on a workstation. -the DHCP server renews an IP address leasse.

Class B

128-191 255.255.0.0

Class C

192-223 255.255.255.0

Which of the following is a valid IPv4 address?

2.2.2.2 172.16.1.26

Class D

224-239

Multicast addresses are in the range of

224.0.0.0-239.255.255.255

Class E

240-255

Ip address of 192.168.255.188 mask of 255.255.0.0 Which of the following describes the address type?

Classless

What is a not a reason to use subnets on a network

Combine different media type on the same subnet.

You want to implemtent a protocol on your network that allows computers to find the IP address of a host from a logical name. Which protocol should you implement?

DNS

You recently created a new network segment for Development. Because the hosts are now on a different network segment they can no longer contact the DHCP server. Both network segments are connected via a CIsco router. What is the best action in order to fix the problem?

Implement an IP Helper address on the router.

Which protocol does an IP host use to inform a router that it wants to receive specific multicast frames?

Internet Group Management Protocol IGMP

You want to be able to view the DNS server address that a computer is using. Which of the following utilities would you use?

Ipconfig and ifconfig

Which type of address is the IP address 232.111.255.250?

Multicast

Which of the following terms are often synonymous with or made possible with CIDR?

VLSM and Classless