Home » Cisco » 642-427 » Which of the following RAS messages can be sent by using either unicast or multicast?
The knowledge about RAS message is very important. Which of the following RAS messages can be sent by using either unicast or multicast?
A. RRQ
B. ARQ
C. GRQ
D. RIP
Correct Answer: C
Explanation/Reference:
Explanation:
Typically, RAS communications is carried out via UDP through port 1719 (unicast) and 1718 (multicast)
For backward compatibility sake, an endpoint should be prepared to receive a unicast message on port 1718 or 1719
Only UDP is defined for RAS communications
GRQ and LRQ may be send multicast, but are generally sent unicast All other RAS messages are sent unicast
