-
Consider the following statements about the routing protocols. Routing Information Protocol (RIP) and Open Shortest Path First (OSPF) in an IPv4 network.
I : RIP uses distance vector routing
II : RIP packets are sent using UDP
III : OSPF packets are sent using TCP
IV : OSPF operation is based on link-state routing Which of the statements above are CORRECT?
-
- I and IV only
- I, II and III only
- I, II and IV only
- II, III and IV only
- I and IV only
Correct Option: C
Consider each option.
1. RIP use distance vector routing protocol because RIP is one of the oldest DVR protocol which employ the hop count as a routing metric table. So, it is correct.
2. RIP packets are sent using UDP, because UDP (User Datagram Protocol) work as a transport Protocol to send the RI packets. So, it is correct.
3. OSPF (Open Shortest Path First) packets are not sent using (TCP) because OSPF does not use a transport protocol, such as UDP ≠ TCP, so OSPF neither uses TCP or UDP. So, it is not correct.
4. OSPF operation is based on link-state routing because OSPF is a routing protocol which uses Link State Routing (LSR) and works within a single autonomous system. So, it is correct.
Hence, option (C) is correct.
