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A. Area 1 must be configured as a stub area.
B. Area 1 must be configured as a standard OSPF area.
C. Area 1 must be configured to use the Type 3 LSAs as the default LSA.
D. The virtual link must be configured under Area 1.
Which two statements regarding OSPFv2 or OSPFv3 authentication are correct? (Choose two.)
A. OSPFv2 supports MD5 authentication.
B. OSPFv2 supports MD5 or SHA authentication.
C. OSPFv2 relies on the native security stack that uses IPsec.
D. OSPFv3 relies on the native security stack that uses IPsec.
You have a Layer 3 VPN established between Site 1 and Site 2. You are asked to limit the number of OSPF routes that the PE devices will accept from the CEs. Which statement is correct?
A. You should use the prefix-limit feature to limit the number of accepted routes.
B. You should use the allow feature to limit the accepted routes.
C. You should use the route-target filtering feature to limit the accepted routes.
D. You should use the maximum-prefixes feature to limit the number of accepted routes.
You administer the network shown in the exhibit. Routers R1, R3, and R4 are sending the same prefix to R2. All routers are using default local-preference values. You must make the prefix from R4 the most preferred. Which two actions accomplish the task? (Choose two.)
A. Configure as-path-prepend on R1 and R3.
B. Configure local-preference 10 on R4.
C. Configure router-id 188.8.131.52 on R4.
D. Configure always-compare-med on R2.
A. R2 will send a PathTear message upstream to R1, indicating a failure has occurred.
B. R3 will send a PathTear message downstream to R4, indicating a failure has occurred.
C. R3 will send a ResvTear message downstream to R4, indicating a failure has occurred.
D. R2 will send a ResvTear message upstream to R1, indicating a failure has occurred.
You are asked to deploy VPLS in your network as a new service for several customers and must identify the configuration and provisioning requirements. Which two statements are correct? (Choose two.)
A. PE routers must include a VRF routing instance.
B. PE interfaces facing customers must have family VPLS configured.
C. PE routers must create a unique site ID for each CE device.
D. CE routers must be configured with their assigned route target.
What must you do to use the Layer 2 interworking interface to connect a BGP Layer 2 VPN with an LDP Layer 2 circuit? (Choose two.)
A. You must configure a policy importing the bgp.l2vpn.0 routing table into the inet.0 routing table.
B. You must enable the I2iw protocol.
C. You must have a Tunnel Services PIC installed to used the L2 interworking interface.
D. You must include the iw0 statement under the [edit interfaces] hierarchy.
Referring to the exhibit, you have recently configured a Layer 3 VPN between Site 1, Site 2, and Site 3. The CE2 device has all routes from Site 1 and Site 3. The CE3 device has all the routes from Site 1 and Site 3. CE1 is not receiving any routes from either Site 2 or Site 3. Which statement is correct?
A. PE2 must redistribute the routes into OSPF using a VRF export policy.
B. You must configure a sham link between all three sites.
C. OSPF is not a supported PE to CE routing protocol.
D. You must create an export policy on PE1 to redistribute the VPN routes into OSPF.
In the exhibit, R2 is receiving external routing information for the 192.168.16.0/24 prefix and is redistributing it into IS-IS. R1 has a policy that leaks the 192.168.16.0/24 route into Area 49.1111. R3 has a policy that leaks the 192.168.16.0/24 route into Area 49.2222. However, the IS-IS version of the route does not appear in R2’s routing table. Why does R3’s route leaking policy appear not to be working?
A. The Up/Down bit is set to down for the prefix.
B. The external flag is set for the prefix.
C. You can only leak routes from Level 2 to Level 1.
D. R2 already has better routing information for the prefix.
Which configuration parameter would be used by a commit script to use custom syntax and simplify the configuration?
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