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Q1. 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: D 


Q2. Refer to the exhibit. 

The prefix 10.1.1.64/28 should be advertised to the PE router, yet the prefix is not being received by the PE. Which configuration should be applied on CE in order to fix this issue? 

A. jp prefix-list ROUTES_TO_SP seq 1 permit 10.1.1.64/28 

B. router bgp 65000 no network 10.1.1.64 mask 255.255.255.240 network 10.1.1.128 mask 255.255.255.128 

C. ip prefix-list ROUTES_TO_SP permit 10.1.1.64/28 

D. router bgp 65000 no network 10.1.1.64 mask 255.255.255.240 network 10.1.1.0 mask 255.255.255.0 

Answer: A 


Q3. Which are the two advantages if an ISP chooses a platform that runs Cisco IOS-XR Software instead of Cisco IOS Software? (Choose two.) 

A. Cisco IOS XR Software functions as a message-passing operating system. 

B. The system's scheduler is priority-based. 

C. He context switching is based on Cisco Express Forwarding. 

D. VoIP traffic is hardware-processed for real-time response. 

E. Communication between client and server is realized by a dedicated mechanism. 

Answer: A,B 


Q4. An engineer is implementing an MPLS within the core of the Service Provider network. What two components are required to build the control and data plane for MPLS Label Switched Paths? (Choose two.) 

A. FIB 

B. CEF 

C. LDP 

D. LFIB 

E. OSPF 

Answer: B,C 


Q5. In a multi-VRF scenario using OSPF as PE-CE routing protocol, which Cisco IOS command allows the CE to accepts routes from PE inside of each VRF? 

A. router ospf <process id> vrf<vrf name> capability vrf-lite 

B. router ospf<process id> vrf<vrf name> domain-id <value> 

C. router ospf <process id> domain-id <value> 

D. router ospf <process id> capability vrf-lite 

Answer: A 


Q6. Which QoS method is available when GRE is used to provide MPLS VPN services over an IP-only core? 

A. matching MPLS EXP on the physical interface 

B. matching EXP on the tunnel interface 

C. matching DSCP on the physical interface 

D. matching DSCP on the tunnel interface 

Answer: C 


Q7. Refer to the exhibit. 

When a traceroute is performed from a PC behind R2, the next hop on R1 for IPv4 is 10.0.1.2, and for IPv6 it is 2001:DB8:2:2. What is causing thus behavior? 

A. GigabitEthernet2/1 has a Level 1-only adjacency. This causes it to be the preferred path for the IPv6 packets. 

B. When SPF ran on R2, it calculated two equal paths to R1. It was a coincidence that than the packets choose different paths. 

C. Multitopology is enabled on R2, which causes the IPv6 packets to use a different path than the IPv4 packets. 

D. 2001:DB8:2::2 is on a Gigabit Ethernet interface. Because its speed is higher than Fast Ethernet, the IS-IS metric is preferred. 

Answer: C 


Q8. A Service Provider is offering VoIP services and a service level agreement to customers. Which configuration provides validation to customers that the service level agreement has been honored? 

A. ip sla 999 udp-jitter 209.165.200.225 1000 codec g729a tos 160 ip sla schedule 999 life forever start-time now 

B. ip sla 999 icmp-jitter 209.165.200.225 tos 160 ip sla schedule 999 life forever start-time now 

C. ip sla 999 icmp-jitter 209.165.200.225 tag VoIP-SLA ip sla schedule 999 life forever start-time now 

D. ip sla 999 udp-jitter 209.165.200.225 1000 codec g729a tag VoIP-SLA 

ip sla schedule 999 life forever start-time now 

Answer: D 


Q9. An IS-IS enabled router with multiple IS-IS neighbors is required to have BFD sessions with all neighbors. Which BFD mode should you use when you want to save the overhead of periodic protocol control packets? 

A. echo 

B. asynchronous 

C. demand 

D. active 

Answer: C 

Explanation: https://tools.ietf.org/html/rfc5880#section-3.1 RFC - 5880 


Q10. Which two statements about forwarding equivalence class (FEC) are true? (Choose two) 

A. FEC might correspond to a destination IP subnet, but it might also correspond to any traffic class that the edge LSR considers significant. 

B. FEC is a group of IP packets that is forwarded over a different path, but with the same forwarding treatment. 

C. FEC is a group of IP packets that is forwarded over the same path, and with the same forwarding treatment. 

D. FEC is a group of IP packets that is forwarded over a different path, but with the different forwarding treatment. 

E. FEC is a group of IP packets that is forwarded over the same path, but with a different forwarding treatment. 

Answer: A,C