Free 300-515 Exam Braindumps

- (Exam Topic 1)
Which utility can you use to validate an LSP in an MPLS environment?

1. A. uRPF
2. B. MPLS LSP ping
3. C. logging
4. D. RSVP

Correct Answer: B

- (Exam Topic 1)
An ISP provides a major client MPLS VPN for managed services. The MPLS engineering team needs to use the advanced VPN feature of selective VRF import so that only specific prefixes are present in the required VPNs.
Which aspect of this feature must the team consider?

1. A. A route must pass the import route map first and then the route target import filter.
2. B. The routers that are imported in the VRF can be BGP and IGP routes, so other match conditions in the route map, besides communities, can be used.
3. C. The import-map command is applied under the PE interface that connects to the CE router.
4. D. A route is imported into the VRF only when at least one RT that is attached to the route matches one RT that is configured in the VRF and the route is permitted by the import route map.

Correct Answer: D
Reference: https://www.ccexpert.us/mpls/configuring-selective-vrf-import.html

- (Exam Topic 3)
With Layer 3 MPLS VPN implementations on Cisco IOS XR PE routers, an interface is assigned to a VRF using the vrf command in which configuration mode?

1. A. RP/0/RP0/CPU0:PE(config-bgp)#
2. B. RP/0/RP0/CPU0:PE(config-if)#
3. C. RP/0/RP0/CPU0:PE(config-bgp-af)#
4. D. RP/0/RP0/CPU0:PE(config-vrf)#

Correct Answer: B
Reference:
https://www.cisco.com/c/en/us/td/docs/ios_xr_sw/iosxr_r3-7/mpls/configuration/guide/gc37v3.html

- (Exam Topic 1)
In an Ethernet Virtual Circuit environment, which restriction do bridge domains have when STP is running?

1. A. The STP mode must be RSTP or PVST+
2. B. Bridge domains must be mapped to a different VLAN.
3. C. The STP mode must be MSTP
4. D. Bridge domains must belong to different MST instances.

Correct Answer: C
Reference: https://www.cisco.com/c/en/us/td/docs/routers/asr920/configuration/guide/ce/b_ce_xe-313s- asr920-book/b_ce_xe-313s-asr920-book_chapter_01.html#reference_770349446ED24E83821EF701DDC46BFD