Which IPv4 source address does a DHCP client use in its initial broadcast messages before it has acquired an IP address?
0.0.0.0
Before acquiring an IPv4 address, a DHCP client uses 0.0.0.0 as the source address in its initial broadcast messages. The destination is normally the limited broadcast address 255.255.255.255.
An organization is granted the block 130.56.0.0/16. The administrator wants to create 1024 subnets. Find first and last addresses of last subnet.
1. | 130.56.0.0 | 130.56.254.255 |
2. | 130.56.255.0 | 130.56.255.255 |
3. | 130.56.0.192 | 130.255.255.255 |
4. | 130.56.255.192 | 130.56.255.255 |
An organization is granted the block 130.56.0.0/16. The administrator wants to create 1024 subnets. Find the subnet prefix.
An organization is granted the block 130.56.0.0/16. The administrator wants to create 1024 subnets.
Find first and last addresses of First subnet.
1. | 130.56.0.0 | 130.56.254.254 |
2. | 130.56.0.0 | 130.56.0.63 |
3. | 130.0.0.0 | 130.255.255.255 |
4. | 130.56.0.0 | 130.56.255.63 |
Suppose a message of size 15000 bytes is transmitted from a source to a destination using IPv4 protocol via two routers as shown in the figure. Each router has a defined maximum transmission unit (MTU) as shown in the figure, including IP header. The number of fragments that will be delivered to the destination is ________ . (Answer in integer)
