Q1. Refer to the exhibit. 

ISP-X customers must be able to reach both ISP-Y and ISP-Z, but ISP-X must not allow transit traffic between ISP-Y and ISP-Z at any time Which two options satisfy this requirement? (Choose two.) 

A. Use the MED to prefer the proper routes 

B. Use communities to identify and filter routes. 

C. Use local preference to prefer the routes 

D. Use a route map to filter routes on the AS number. 

E. Use the atomic aggregate attribute 

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Q2. How many bits are expressed by";:" in the address 2D01:DB::C:B7BA:130B? 

A. 16 bits 

B. 32 bits 

C. 40 bits 

D. 44 bits 

E. 48 bits 

F. 52 bits 

G. 56 bits 

H. 64 bits 

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Q3. Refer to the exhibit. Customer XYZ Site 1 is not learning prefixes from Site 2. What is the issue? 

A. MPLS LSP is broken along the path. 

B. The route-policy is not implemented in router PE-2. 

C. The BGP local-as command should be used between PE-1 and CE-1. 

D. The route-distinguisher values must match in both sites. 

E. The BGP as-override command should be implemented between PE-1 and CE-1. 

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Q4. Two switches are connected back-to-back using two Gigabit Ethernet interfaces. These two interfaces are assigned to a port channel in VLAN trunk mode. Which configuration sequence allows the addition of a new VLAN in this link? 

A. Add the VLAN to the port channel only, and remove it from the individual links. 

B. Add the VLAN to both the port channel and individual links. 

C. Add the VLW to the port channel only, and it will be reflected on the individual links. 

D. Add the VLAN to the individual links, and it will be reflected on the port channel. 

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Q5. For MPLS inter-AS Option B, how many labels are associated with packet forwarding between the VPNv4 ASBR neighbors? 

A. 0 

B. 1 

C. 2 

D. 3 

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Q6. Which two statements about Unified MPLS are true? (Choose two.) 

A. Unified MPLS works on Cisco IOS XR Software only. 

B. Unified MPLS extends MPLS across multidomain networks in a scalable manner. 

C. New technologies or protocols are not used; only MPLS, LDP, IGP, and BGP are used. 

D. ABR loopback prefixes should always be redistributed from the core IGP into the aggregation IGP. 

E. The RRs are part of the control path only. 

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Q7. In order to prevent malicious traffic flows, how does BGPsec protect prefix advertisements? 

A. It validates only the originating AS. 

B. It validates routes with encryption. 

C. It validates the AS path. 

D. It validates the next-hop AS. 

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Q8. Which OSPF feature allows the router to recompute SPF changes for only the affected part of the SPT? 

A. PRC 

B. fast hellos 

C. BFD across the entire backbone area 

D. incremental SPF 

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Q9. Refer to the exhibit. 

Which MPLS TE component keeps track of the flooding and admission control? 

A. MPLS TE priorities 

B. RSVP 

C. link attributes 

D. link manager 

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Q10. An engineer has just configured IOS-XR with out-of-band MPP. Which are the three results that will occur? (Choose three.) 

A. Management traffic to RP from all non-MPP interfaces is dropped 

B. RP/DRP Ethernet Interfaces are not default out-of-band interfaces. 

C. MPP configuration changes doesn’t affect active sessions established before the changes 

D. Interfaces configured for out-of-band MPP are still part of global routing/forwarding 

E. If MPP is disabled and a protocol is activated, all interfaces cannot pass traffic 

F. LPTS will provide rate limiting 

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