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2017 High Quality Juniper JN0-643 Dumps Download| Juniper JN0-643 Q&A Video Training

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Exam Code: JN0-643
Exam Name: Enterprise Routing and Switching, Professional (JNCIP-ENT)
Updated: Apr 20, 2017
Q&As: 221
Exam Information:http://www.pass4itsure.com/jn0-643.html

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QUESTION 10
— Exhibit
jn0-643 dumps

— Exhibit —
Click the Exhibit button.
Referring to the exhibit, which LSA type will Router R2 inject into Area 1?
A. Type 3 LSA
B. Type 4 LSA
C. Type 5 LSA
D. Type 7 LSA
Correct Answer: A
Explanation
Explanation/Reference:

 

 

QUESTION 11
— Exhibit —
[edit protocols ospf]
[email protected]# show
area 0.0.0.6 {
nssa {
default-lsa default-metric 10;
area-range 184.23.12.0/24;
}
interface ge-1/1/4;
}
[edit protocols ospf]
[email protected]# show ospf database
OSPF database, Area 0.0.0.0
Type ID Adv Rtr Seq Age Opt Cksum Len
Router *192.168.0.2 192.168.0.2 0x80000004 749 0x22 0x87c2 60 Router 192.168.0.3 192.168.0.3
0x80000004 399 0x22 0x94b5 60 Summary *10.0.0.0 192.168.0.2 0x80000003 19 0x22 0xe2e4 28
Summary *192.168.0.1 192.168.0.2 0x80000002 1100 0x22 0xbda7 28
OSPF database, Area 0.0.0.6
Type ID Adv Rtr Seq Age Opt Cksum Len
Router 192.168.0.1 192.168.0.1 0x80000004 404 0x20 0x76db 60 Router *192.168.0.2 192.168.0.2
0x80000003 1802 0x20 0x319b 48 Summary *11.0.0.0 192.168.0.2 0x80000002 2504 0x20 0xf5d3 28
Summary *192.168.0.2 192.168.0.2 0x80000003 2153 0x20 0xc5a0 28 Summary *192.168.0.3
192.168.0.2 0x80000002 398 0x20 0xc79d 28 NSSA *0.0.0.0 192.168.0.2 0x80000001 11 0x20 0xcbf1 36
NSSA 184.23.12.0 192.168.0.1 0x80000002 447 0x28 0xb93f 36 OSPF AS SCOPE link state database
Type ID Adv Rtr Seq Age Opt Cksum Len
Extern *184.23.12.0 192.168.0.2 0x80000003 11 0x22 0x28d6 36 — Exhibit —
Click the Exhibit button.
Referring to the exhibit, which two statements are correct? (Choose two.)
A. R2 injects a Type 3 LSA for 184.23.12.0/24 into the backbone.
B. R2 is an ABR.
C. R2 injects a Type 5 LSA for 184.23.12.0/24 into the backbone.
D. R2 is an ASBR.
Correct Answer: BC
Explanation
Explanation/Reference:

QUESTION 12
— Exhibit
jn0-643 dumps

Exhibit
Click the Exhibit button.
Referring to the exhibit, which type of LSA will be seen on router A for routes originating in Customer A’s
network?
A. Type 7 LSA
B. Type 2 LSA
C. Type 5 LSA
D. Type 1 LSA
Correct Answer: C
Explanation
Explanation/Reference:

 

 

 

QUESTION 13
Which statement is true regarding OSPF multi-area adjacencies?
A. A type 3 (stub) link is advertised for a multi-area adjacency.
B. Configuring a multi-area adjacency allows the corresponding link to be considered an interarea link, s
it will be less preferred over an intra-area link.
C. One logical interface will be a primary link, and the other configured as a secondary link; the seconda
link will be established as an unnumbered point-to-point interface.
D. A DR and a BDR will be elected over the secondary interface, because it is not point-to-point.
Correct Answer: C
Explanation
Explanation/Reference:

 

 

QUESTION 14
— Exhibit

jn0-643 dumps

— Exhibit —
Click the Exhibit button.
Referring to the exhibit, which two statements are correct? (Choose two.)
A. Traffic destined for R2 will be blackholed.
B. Transit traffic will follow the R1-R2-R4 path.
C. Traffic destined for R2 will reach R2.
D. Transit traffic will follow the R1-R3-R4 path.
Correct Answer: CD
Explanation
Explanation/Reference: JN0-643 dumps

 


QUESTION 15
Which statement is true about using an OSPF import policy?
A. Import policies are not allowed in OSPF, applying the policy will do nothing.

B. Applying an import policy to OSPF may block normal LSA flooding.
C. Import policies are allowed only for external route types.
D. Applying this policy will cause a commit failure.
Correct Answer: C
Explanation
Explanation/Reference:

 

 

QUESTION 16
Which statement is true regarding the SPF algorithm?
A. The SPF algorithm is run on a per-domain basis.
B. If you apply an import policy to OSPF, it keeps LSAs from being flooded, and the SPF calculation
be affected.
C. There are two databases used in the calculation, the link-state database and the tree database.
D. The SPF calculation is run on a per-area basis on each router.
Correct Answer: D
Explanation
Explanation/Reference:

 

 

QUESTION 17
You are asked to configure graceful restart in your network.
Which OSPF LSA type would you expect to see in the LSDB?
A. Type 8
B. Type 9
C. Type 10
D. Type 11
Correct Answer: B
Explanation
Explanation/Reference:

 

 

QUESTION 18
— Exhibit
jn0-643 dumps

— Exhibit —
Click the Exhibit button.
Referring to the exhibit, which answer is correct?
A. R2 is the DR and R1 is the BDR.
B. R4 is the DR and R2 is the BDR.

C. R2 is the DR and R3 is the BDR.
D. R3 is the DR and R2 is the BDR.
Correct Answer: C
Explanation
Explanation/Reference:

 

 

QUESTION 19
— Exhibit —
[email protected]> show ospf database network extensive
OSPF link state database, area 0.0.0.1
Type ID Adv Rtr Seq Age Opt Cksum Len
Network 10.222.1.1 192.168.20.1 0x80000002 813 0x2 0x 32 mask 255.255.255.0
attached router 192.168.20.1
attached router 192.168.40.1
Aging timer 00:46:27
Installed 00:13:32 ago, expires in 00:46:27, sent 1w5d 01:07:09 ago
— Exhibit —
Click the Exhibit button.
Referring to the exhibit, which statement is true regarding the OSPF network LSA?
A. The ID field value shows the router ID of the advertising router.
B. The ID field is the local interface IP address from which the LSA will be advertised.
C. The options field indicates this is a Type 2 LSA.
D. The output shows that 192.168.20.1 is the designated router.
Correct Answer: D
Explanation
Explanation/Reference:

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