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April 20, 2017

Apr 2017 updated: Actualtests Cisco 400-201 exam cost 61-70

Q61. Refer to the exhibit. 

Why is RC unable to receive prefix 1.1.1.1/32? 

A. On RB. neighbor 10.10.12.1 send-community is not configured. 

B. On RA, ip bgp-community new-format is not configured. 

C. On RB. neighbor 10.10.23.3 send-community is not configured. 

D. On RA, neighbor 10.10.12.2 send-community is not configured. 

E. On RC. ip bgp-community new-format is not configured. 

F. On RB, ip bgp-community new-format is not configured 

G. On RB. neighbor 10.10.23.3 next-hop-self is not configured. 

Answer:


Q62. In Multicast Inter-AS VPN context, which BGP attribute should you use to overcome the Option B limitation due to a rewritten originator next-hop address in the network? 

A. connector 

B. AS path 

C. weight 

D. originator 

Answer:


Q63. What is the PPMP label used for? 

A. for the ingress replication model with BIDIR-PIM in an overlay model 

B. only for the inter-AS mVPN models that use mLDP 

C. for the partitioned mVPN model with PIM signaling in an overlay model 

D. only for unicast over MPLS VPN 

E. for all the default MDT and mVPN models 

Answer:

Explanation: http://lostintransit.se/tag/bgp/ 

https://tools.ietf.org/html/draft-rosen-l3vpn-mvpn-mspmsi-08#section-3.2.2.1 


Q64. Which OSPF configuration suppresses the periodic OSPF hello packets? 

A. router ospf 1 

area0 

interface GigabitEthernet 0/1 

passive 

B. router ospf 1 

area0 

interface GigabitEthernet 0/1 

C. router ospf 1 

area 0 

interface GigabitEthernet 0/1

stub-router 

router-lsa r-bit 

D. router ospf 1 

area 0 

interface GigabitEthernet 0/1 

demand-circuit 

point-to-point 

Answer:


Q65. Refer to the exhibit. Both MPLS TE tunnel 14 and MPLS TE tunnel 124 pass over the same physical links. Which configuration on R1 enables TE 14 to be the primary tunnel and TE 124 to become active when TE 14 is admin disabled? 

A. Interface Tunnel14 

tunnel mpls traffic-eng priority 3 1 

Interface Tunnel124 

tunnel mpls traffic-eng priority 5 4 

B. Interface Tunnel14 

tunnel mpls traffic-eng priority 4 1 

`Interface Tunnel124 

tunnel mpls traffic-eng priority 3 2 

C. Interface Tunnel14 

tunnel mpls traffic-eng priority 7 7 

Interface Tunnel124 

tunnel mpls traffic-eng priority 1 1 

D. Interface Tunnel14 

tunnel mpls traffic-eng priority 3 2 

Interface Tunnel124 

tunnel mpls traffic-eng priority 4 1 

Answer:


Q66. DRAG DROP 

Refer to the exhibit. 

PE1 and PE2 has a Layer 2 VPN over a GRE tunnel. This GRE tunnel built between P1 and P2 has LDP enabled. Consider a packet capture of the packets from CE1 and CE2 at P1 and R1 link. Drag the headers on the left and drop them on the right in the order of the encapsulation, starting from the inner header (at the top) to the outer header (at the bottom). 

Answer: 


Q67. An engineer is troubleshooting L3VPN traffic loss over the MPLS-enabled core network when new core links were enabled. Assuming that the IGP is properly configured, which issue causes a temporary data flow blackholing when the IGP and LDP reconvenes? 

A. LDP is a Layer 2 protocol forwarding label packets before the IGP reconvened. 

B. IP packets are forwarded as soon as routes are learned over a new IGP adjacency before the label exchange happens over the new links 

C. MP-BGP sessions between PE and RR routers require extra time to reconverge than the underlying IGP. 

D. MPLS-TE tunnels without LDP adjacencies are used over the new links black-holing the traffic before the LDP label exchange is completed 

Answer:


Q68. Refer to the exhibit. 

ABC and XYZ MPLS VPN customers are accruing Internet access. Both CEs are sending traffic to the Internet. Which statement about their connectivity is true? 

A. Both CEs will have connectivity. 

B. Only CE-XYZ will have connectivity. 

C. Neither CEs will have connectivity, as both CEs are using the same NATed subnet. 

D. Only CE-ABC will have connectivity. 

E. Neither CEs will have connectivity, as IAR does not have route back to the NATed subnet. 

Answer:


Q69. Refer to the exhibit. A web server is connected to a switch via two Gigabit Ethernet links. These two links are bundled into a single logical link that provides the aggregate bandwidth of 2 Gbps. The support engineer notices that traffic from the Internet to the web server uses both Gigabit Ethernet links. However, traffic from the web server to the Internet uses only one link. 

Which CLI command on the exhibit causes this behavior? 

A. lacp port-priority 32768 in interface configuration mode 

B. channel-group 5 mode passive 

C. lacp port-priority 32768 in global configuration mode 

D. port-channel load-balance dst-mac 

Answer:


Q70. An engineer wants to configure MPLS TE Fast Reroute with link protection on five routers. Which methodology can reduce configuration on the point of the local repair router and successfully complete the task? 

A. Configure a backup tunnel on the PLR. 

B. Enable the autotunnel backup feature. 

C. Configure a backup tunnel on the tunnel head end router. 

D. Enable the autotunnel primary feature. 

Answer:

Explanation: http://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-2/mpls/configuration/guide/b_mpls_cg42crs/b_mpls_cg42crs_chapter_0100.html#concept_ F19BEEEFC831436AAC9291A87F9B34E5 



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