OSPFv3

642-902 Q&A – Implement a multi-area OSPF Network (56-60)

Section 2 – Implement a multi-area OSPF Network, given a network design and a set of requirements

QUESTION NO: 56
When learning a new route, if a LSA received is not found in the topological database, what will an internal OSPF router do?
A. The sequence numbers are checked, and if the LSA is valid it is entered into the topology database.
B. The LSA is placed in the topological database and an acknowledgement is sent to the transmitting router.
C. The LSA is dropped and a message is sent to the transmitting router.
D. The LSA is flooded immediately out of all the OSPF interfaces, except the interface from which the LSA was received.
Answer: D

Continue reading

642-902 Q&A – Implement a multi-area OSPF Network (16-20)

Section 2 – Implement a multi-area OSPF Network, given a network design and a set of requirements

QUESTION NO: 16
OSPF is enabled on router A. You execute the following command on router A and receive the accompanying output:

RouterA#ping 224.0.0.5 repeat 1
Type escape sequence to abort.
Sending 1, 100-byte ICMP Echos to 224.0.0.5, timeout is 2 seconds:
Reply to request 0 from 10.100.100.1, 4 ms

10.100.100.1 is the IP address of a loopback interface on router A.

Continue reading

642-902 Q&A – Implement a multi-area OSPF Network (11-15)

Section 2 – Implement a multi-area OSPF Network, given a network design and a set of requirements

QUESTION NO: 11
Given the following partial configuration for Router A:

interface serial 0
ip address 10.1.1.1 255.255.255.0
ip ospf network point-to-multipoint
router ospf 7
network 10.1.1.0 0.0.0.255 area 0

Which two statements are correct? (Choose two.)

Continue reading