Juniper JN0-643 Exam Practice Questions (P. 5)
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Question #21
-- Exhibit --
[edit protocols ospf]
user@R2# show
area 0.0.0.3 {
stub default-metric 10 no-summaries;
interface ge-0/1/1.0;
}
-- Exhibit --
Click the Exhibit button.
Referring to the output in the exhibit, which statement is true?
[edit protocols ospf]
user@R2# show
area 0.0.0.3 {
stub default-metric 10 no-summaries;
interface ge-0/1/1.0;
}
-- Exhibit --
Click the Exhibit button.
Referring to the output in the exhibit, which statement is true?
- AR2 is an ABR and will send a Type 7 LSA 0/0 route down into the nonbackbone area.
- BR2 is an ABR and will send a Type 3 LSA 0/0 route down into the nonbackbone area.
- CR2 will not send a Type 3 LSA 0/0 route into the nonbackbone area.
- DR2 will add a metric cost of 10 to the existing metric of a 0/0 route it receives from the backbone area and then send it into the nonbackbone area in a Type 5
Correct Answer:
B
B
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Question #22
-- Exhibit --
user@router> show ospf route
Topology default Route Table:
Prefix Path Route NH Metric NextHop Nexthop
Type Type Type Interface Address/LSP
192.168.1.0/24 Intra Network IP 10 ge-0/0/1.0
-- Exhibit --
Click the Exhibit button.
Which two configurations result in the output shown in the exhibit? (Choose two.)
user@router> show ospf route
Topology default Route Table:
Prefix Path Route NH Metric NextHop Nexthop
Type Type Type Interface Address/LSP
192.168.1.0/24 Intra Network IP 10 ge-0/0/1.0
-- Exhibit --
Click the Exhibit button.
Which two configurations result in the output shown in the exhibit? (Choose two.)
- A[edit protocols ospf] user@router# show reference-bandwidth 10g; area 0.0.0.0 { interface ge-0/0/1.0; }
- B[edit protocols ospf] user@router# show reference-bandwidth 1g; area 0.0.0.0 { interface ge-0/0/1.0; }
- C[edit protocols ospf] user@router# show reference-bandwidth 1m; area 0.0.0.0 { interface ge-0/0/1.0 { metric 10; } }
- D[edit protocols ospf] user@router# show reference-bandwidth 100m; area 0.0.0.0 { interface ge-0/0/1.0;
Correct Answer:
AC
AC
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Question #23
-- Exhibit

-- Exhibit --
Click the Exhibit button.
Referring to the exhibit, you are asked to prevent the 184.16.1.0/24 route from entering the backbone.
Which configuration statements would accomplish the task?

-- Exhibit --
Click the Exhibit button.
Referring to the exhibit, you are asked to prevent the 184.16.1.0/24 route from entering the backbone.
Which configuration statements would accomplish the task?
- AOn router R1, issue the set protocols ospf area 3 nssa area-range 184.16.1.0/24 restrict command.
- BOn router R3, issue the set protocols ospf area 0 area-range 184.16.1.0/24 restrict command.
- COn router R3, issue the set protocols ospf area 3 area-range 184.16.1.0/24 restrict command.
- DOn router R3, issue the set protocols ospf area 3 nssa area-range 184.16.1.0/24 restrict command.
Correct Answer:
D
D
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Question #24
-- Exhibit

-- Exhibit --
Click the Exhibit button.
You are asked to connect Area 2 to the backbone.
Which configuration would be required on R3?

-- Exhibit --
Click the Exhibit button.
You are asked to connect Area 2 to the backbone.
Which configuration would be required on R3?
- A[edit protocols ospf3] user@R3# show area 0.0.0.0 { virtual-link neighbor-id 10.0.10.1 transit-area 0.0.0.1; interface ge-0/0/5.0; }
- B[edit protocols ospf] user@R3# show area 0.0.0.0 { virtual-link neighbor-id 192.168.1.2 transit-area 0.0.0.1; interface ge-0/0/5.0 { interface-type p2p; } }
- C[edit protocols ospf3] user@R3# show area 0.0.0.0 { virtual-link neighbor-id 192.168.1.2 transit-area 0.0.0.1; interface ge-0/0/5.0; }
- D[edit protocols ospf3] user@R3# show area 0.0.0.1 { virtual-link neighbor-id 192.168.1.2 transit-area 0.0.0.1; interface ge-0/0/5.0;
Correct Answer:
C
C
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Question #25
-- Exhibit --
[edit protocols ospf]
user@area-1-abr# show
area 0.0.0.1 {
nssa {
default-lsa {
default-metric 10;
metric-type 2;
type-7;
}
no-summaries;
}
interface so-0/1/1.0;
}
-- Exhibit --
Click the Exhibit button.
Referring to the exhibit, which statement is true?
[edit protocols ospf]
user@area-1-abr# show
area 0.0.0.1 {
nssa {
default-lsa {
default-metric 10;
metric-type 2;
type-7;
}
no-summaries;
}
interface so-0/1/1.0;
}
-- Exhibit --
Click the Exhibit button.
Referring to the exhibit, which statement is true?
- AThe ABR will generate a Type 3 summary default route into the NSSA.
- BThe ASBR will generate a Type 7 default route into the NSSA.
- CThe type-7 parameter allows interoperability with newer versions of the Junos OS.
- DThe only LSA types allowed into the area are Type 1, Type 2, Type 3, and Type 7.
Correct Answer:
B
B
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