Here are some advantages of having a DHCP server connected to network: No IP address conflicts. DHCP can guarantee that all hosts on the network will have unique IP address. DHCP server keeps a record of all IP addresses assigned and cross reference them with host's MAC addresses.
bombardment - the act (or an instance) of subjecting a body or substance to the impact of high-energy particles (as electrons or alpha rays) radiation - the act of spreading outward from a central source.
The definition of barrage is  a large volume of something, or a huge amount of things happening all at once. An example of a barrage is when 100 reporters all shoot questions at the president at the same time. An example of barrage is a large amount of gunfire with the purpose of keeping the enemy forces from moving forward.