Correct Answer : Option (A) : DHCP
Explanation : DHCP stands for Domain Host Control Protocol. It is responsible to remotely assign IP address to the clients connected to the internet. The server that performs this fuction is called the DHCP server.
Correct Answer : Option (A) : DUAL
Explanation : EIGRP uses the DUAL algorithm for finding shortest path. DUAL stands for diffusing update algorithm and it is used to prevent routing loops by recalculating routes globally.
Correct Answer : Option (B) : 170
Explanation : Routers use the metric of administrative distance to select the best path when there are different routes to the same destination from two different routing protocols as it is a measure of reliability of routing protocols. Administrative distance for external EIGRP is 170.