CCNP 350-401 ENCOR Question 591 DISCUSSION
« Back to Main MenuRefer to the exhibit. An engineer must create a configuration that prevents R3 from receiving the LSA about 172.16.1.4/32. Which configuration set achieves this goal?
A.
On R3
ip access-list standard R4_Lo
deny host 172.16.1.4
permit any
router ospf 200
distribute-list R4_Lo in
B.
On R1
ip prefix-list INTO-AREA1 seq 5 deny 172.16.1.4/32
ip prefix-list INTO-AREA1 seq 10 permit 0.0.0.0/0 le 32
router ospf 200
area 1 filter-list prefix INTO-AREA1 out
C.
On R1
ip prefix-list INTO-AREA1 seq 5 deny 172.16.1.4/32
ip prefix-list INTO-AREA1 seq 10 permit 0.0.0.0/0 le 32
router ospf 200
area 1 filter-list prefix INTO-AREA1 in
D.
On R3
ip prefix-list INTO-AREA1 seq 5 deny 172.16.1.4/32
ip prefix-list INTO-AREA1 seq 10 permit 0.0.0.0/0 le 32
router ospf 200
area 1 filter-list prefix INTO-AREA1 in
Refer to the exhibit. An engineer must create a configuration that prevents R3 from receiving the LSA about 172.16.1.4/32. Which configuration set achieves this goal?
A.
On R3
ip access-list standard R4_Lo
deny host 172.16.1.4
permit any
router ospf 200
distribute-list R4_Lo in
B.
On R1
ip prefix-list INTO-AREA1 seq 5 deny 172.16.1.4/32
ip prefix-list INTO-AREA1 seq 10 permit 0.0.0.0/0 le 32
router ospf 200
area 1 filter-list prefix INTO-AREA1 out
C.
On R1
ip prefix-list INTO-AREA1 seq 5 deny 172.16.1.4/32
ip prefix-list INTO-AREA1 seq 10 permit 0.0.0.0/0 le 32
router ospf 200
area 1 filter-list prefix INTO-AREA1 in
D.
On R3
ip prefix-list INTO-AREA1 seq 5 deny 172.16.1.4/32
ip prefix-list INTO-AREA1 seq 10 permit 0.0.0.0/0 le 32
router ospf 200
area 1 filter-list prefix INTO-AREA1 in
Correct Answer: C
The option of "in" indicates networks going into the specified area
The option of "out" indicates networks coming from the specified area
