2013 Latest ADVDESIGN CCDE 352-001 exam 51-55

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QUESTION d1
In this network presented in the following exhibit, traffic destined for 10.1.3.1 arrives at P4S-R5. Which path will be taken by the traffic from here and why?
A. It will take the path P4S-R3, P4S-R2, P4S-R1, because OSPF always prefers paths within an area.
B. It will not take any path; the traffic will be dropped because P4S-R2 is in a different autonomous system than P4S-R1 or
P4S-R3.
C. It will take the path the path P4S-R4, P4S-R3, P4S-R2, P4S-R1, because this is the lowest cost path. D. It will not take any path; the traffic will be dropped because the summary (type 3) LSA advertised by
P4S-R1 into area 1 will
not be readvertised back into area 0.
Correct Answer: D

QUESTION 52
When is the site-to-site remote access model appropriate?
A. for multiple ISDN connections
B. for modem concentrated dial-up connections
C. for a group of users in the same vicinity sharing a connection
D. for use by mobile users
Correct Answer: C

QUESTION 53
Which three statements are correct about OSPF route summarization? (Choose three.)
A. A flat addressing scheme is required in order to summarize OSPF routes. B. OSPF internal routes can be summarized only at the ABRs.
C. OSPF type 5 external routes can be summarized only at the ASBRs. D. Route summarization can lead to a more stable network.
Correct Answer: BCD

QUESTION 54
Which option is true about routing control while using routing protocols in a DMVPN network (or any GRE- over-IPsec network)?
A. Routing of the data plane traffic should be carried out by means of the GRE tunnel and a separate routing instance should be
used to handle routing of the crypto endpoints.
B. The control plane traffic for the crypto endpoints should be routed through the GRE tunnel; the control plane traffic for the
data plane traffic should travel via the transport network.
C. If the network is a private MPLS network, the routing for the data plane traffic and the crypto endpoints should be run
outside of the GRE tunnel.
D. The routing used to establish the crypto endpoints should include information for the data networks behind the endpoints.
Correct Answer: A

QUESTION 55
Study the following exhibit carefully. A service provider with a multi-area OSPF environment would like to deploy MPLS TE tunnels among PE routers across area boundaries. Configure the LSPs with bandwidth constraints and explicit loose route hops as indicated by
the arrows in the following path: PE1 -> ABR1 -> ABR2 -> PE2
Which two items identify devices that will execute constraint-based SPF in order to set up LSP from PE1 to
PE2? (Choose two.)
A. PE1
B. all routers in Area 1
C. all ABRs
D. all routers in Area 2
Correct Answer: AC

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