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Q1. Refer the exhibit. Two Autonomous Systems are enabled to support multicast. An engineer wants to set up configuration so that a multicast client at AS 100 can receive multicast traffic from the M-Server at AS 200. However, the RP announcements must be limited within each autonomous system site. Which Cisco IOS configuration achieves this goal? 

A. On both ASBRs Eth0/0 and the no ip pim sparse-mode command. 

B. On both ASBRs add the ip pim send-rp-discovery scope 1 command. 

C. On both RPs add the ip pim send-rp-discovery scope 2 command. 

D. On both ASBRs Eth0/0 add the ip pim bsr-border command. 

E. On both ASBRs Eth0/0 add the ip pim dense-mode command. 

F. On both RPs add the ip pim bsr-border command. 

Answer:

Explanation: 

http://www.cisco.com/c/en/us/td/docs/ios/12_2/ipmulti/command/reference/fiprmc_r/1rfmult2.html#wp1050039 It filters the BSR message: http://tools.ietf.org/html/rfc5059#section-4.1 

Q2. Refer to the exhibit: 

A regional operations center recently set up a MPLS Inter-AS Option B solution for two service providers There is no intercommunication between CE1 and CE2 sites yet While troubleshooting this issue on the ASBR1 router, the operations engineer sees the following log: 

BGP(4): 10.24.32.253 rcvd 100:101:40.72.97.0/24, label 136 -- DENIED due to: extended community not supported; What does this log mean? 

A. The route-target value does not match the one in the local VRF 

B. The community that was applied on ASBR 10.24.32.253 does not match the local policies 

C. The bgp default route-target filter command is missing on both inter-AS ASBRs 

D. The BGP command retain route-target all is missing 

Answer:

Q3. 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:

Q4. Customers connecting to a Service Provider for Internet access are intending to implement redundant peering. The design requirements call for preferring a primary link for both ingress and egress traffic. Secondary links should be used only during primary outages. What two BGP deployment options will accomplish this design goal? (Choose two.) 

A. On the router handling the secondary link, advertise routes with a MED value of 0. 

B. On the router handling the primary link, set the weight for all incoming routes to be a value of 0. 

C. On the router handling the secondary link, advertise all routes with a longer AS-PATH value. 

D. On the router handling the primary link, advertise all routes with a longer AS-PATH value. 

E. On the router handling the secondary link, set the local preference for all incoming routes to be a value of 0. 

Answer: C,E 

Q5. BGP best route selection process is based on what? 

A. path attributes 

B. lowest cost 

C. highest bandwidth 

D. lowest delay 

E. lowest hop-count 

Answer:

Q6. 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. 

Answer:

Q7. Which is the RP address of the IPv6 multicast address FF76:0:130:1234:5678:9abc::4321? 

A. 4321:5678:9abc::30 

B. 4321:5678:9abc::13 

C. 1234:5678:9abc::130 

D. 1234:5678:9abc::1 

E. 1234:5678:9abc::13 

Answer:

Explanation: Reference: 

http://www.netcraftsmen.com/wp-content/uploads/2014/12/20090429-CMU-Introduction_to_IP_Multicast.pdf page 53 

Q8. Refer to the exhibit. Which IOS command under the BGP VPNv4 address family implements a secondary backup path to the destination 192.168.1.1? 

A. maximum-paths ibgp2 

B. bgp additional-paths install 

C. bgp recursion host 

D. bgp advertise-best-external 

Answer:

Explanation: http://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-2/routing/command/reference/b_routing_cr42crs/b_routing_cr42crs_chapter_01.html#wp28 41279186 

Q9. An engineer is working to provide high availability to a Service Provider core network. Which BGP command enables a backup path to be installed in the RIB and CEF tables? 

A. maximum-paths ibgp 

B. bgp additional-paths install 

C. maximum-paths eibgp 

D. bgp additional-paths select 

E. bgp advertise-best-external 

Answer:

Explanation: http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bgp/configuration/xe-3s/irg-xe-3s-book/bgp_best_external.html#GUID-66F31B75-B1E6-4B38-9B4D-6A89839930CE 

Q10. Which technology is a forwarding decision point in a PE router that provides flexibility to make many Layer 2 flow decisions within an interface? 

A. local connect 

B. AToM 

C. VPLS 

D. pseudowire 

E. EFP 

Answer: