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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: D
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. A network engineer is designing the BGP architecture with a requirement of preventing the AS 65001 from becoming a Transit AS path, using the following configuration:
router bgp 65000
neighbor 10.0.0.1 route-map BGP-ROUTE-POLICY in
The goal is to prevent routes learned from 10.0.0.1 from being advertised to any other eBGP peering in the AS 65000. What command should be used within the route map to achieve this goal while keeping existing route policies in place?
A. set community no-export additive
B. set community no-advertise
C. set community no-advertise additive
D. set community no-export
Answer: C
Explanation:
Reference: http://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/26634-bgp-toc.html
Q3. In a secure domain router scenario, which two functions are shared amongst all SDR in the system? (Choose two.)
A. configuration
B. protocols
C. routing tables
D. chassis-control
E. switch-fabric
Answer: D,E
Explanation:
Secure domain routers (SDRs) provide a means of partitioning a router into multiple, independent routers. SDRs perform routing functions in the same manner as a physical router but share resources with the rest of the system. For example, the applications, configurations, protocols, and routing tables assigned to an SDR belong to that SDR only, but other functions such as chassis control, switch fabric, and partitioning are shared with the rest of the system.
Reference: http://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-3/system_management/command/reference/b_sysman_cr43crs/b_sysman_cr43crs_chapt er_01110.html
Q4. Refer to the exhibit.
The vrf MAINT has been provisioned and used by the Service Provider management network. The engineer discovers that syslog messages are not being received on the syslog server. IP reachability has been validated using ping. Which issue in the configuration must be corrected?
A. logging on must include the vrf MAINT keyword.
B. logging host must include the vrf MAINT keyword.
C. The logging facility must be configured for syslog processing.
D. The route targets that are configured do not match the route distinguisher.
Answer: B
Explanation:
http://www.cisco.com/c/en/us/td/docs/ios/12_2sr/12_2sra/feature/guide/srvrfslg.html#wp10 59076
Q5. The following MPP configuration is applied on RA router: RP/0/RSP0/CPU0:RA#sh running-config control-plane
control-plane
management-plane
inband
interface TenGigE 0/0/0/0
allow SSH peer
address ipv4 5.0.0.0/8
Which two pieces of information are correct in regards to management traffic on RA router? (Choose two)
A. SNMP traps going out on TenGigE 0/0/0/0 interface are dropped.
B. SNMP polling coming through TenGigE 0/0/0/0 interface are dropped.
C. Telnet connections coming through MgmtEth0/RSP0/CPU0/0 interface are accepted.
D. SSH connections coming through TenGigE 0/0/0/0 interface from 5.5.5.5 host are accepted.
E. TACACS traffic going through TenGigE 0/0/0/0 interface are dropped.
Answer: B,D
Q6. Refer to the exhibit.
Which piece of information can be derived from this Cisco IOS XR route policy?
A. If the destination is 227.0 0 3 or 227 0 0 13 the default table will be used for reverse path forwarding
B. If the destination ranges between 227.0 0.3 and 227 0.0.13. the IPv4 unicast table will be used for reverse path forwarding
C. If the destination is 227.0.0.3 or 227.0 0.13, the IPv4 unicast table will be used for reverse path forwarding
D. If the destination ranges between 227.0.0.3 and 227.0.0.13. the multicast default table will be used for reverse path forwarding
Answer: A
Q7. In a PE-CE scenario using OSPF as the routing protocol, a down-bit set can be advertised in which OSPF LSA type?
A. type 1 LSA
B. type 2 LSA
C. type 3 LSA
D. type 5 LSA
E. type 7 LSA
Answer: C
Q8. A network engineer wants to deploy a solution that allows for 200 DS1 s and 100 DS0s that are multiplexed to a single interface on a Cisco 7600 Series Router. Which interface type satisfies this requirement?
A. Channelized T3/E3 (DS0)
B. Channelized OC-12/STM-4
C. OC-12/STM-4
D. OC-48c/STM-16
Answer: B
Q9. Which network interface technology eliminates the need for an external transponder at service provider sites?
A. IPoDWDM
B. CWDM
C. SONET
D. SDH
Answer: A
Q10. 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
Q11. Refer to the exhibit. OSPFv3 is already running, and R1 has added a new subnet (loopback 11). What is the reason code on R4 when executing the command show ipv6 ospf statistics?
A. P (partial)
B. N (network)
C. R (router)
D. L (link)
Answer: C
Q12. 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: D
Q13. Refer to the exhibit. A network engineer must configure BFD for IS-IS between R1 and R2. In case the primary link fails, the convergence time should be less than a second.
Which two IOS commands are required to meet this requirement? (Choose two.)
A. isis bfd
B. bfd minimum-interval 250
C. bfd interval 250 min_rx 250 multiplier 3
D. bfd multiplier 3
E. bfd interval 250 min_rx 250 multiplier 4
F. bfd fast-detect ipv4
Answer: C,F
Explanation: http://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r4-3/routing/command/reference/b_routing_cr43xxr12k/b_routing_cr43xxr12k_chapter_010.ht ml#wp3058619742
Q14. Refer to the exhibit.
It displays the Router_3 FIB information without any OSPF LSDB optimization. An engineer wants to optimize the OSPF LSDB in accordance with RFC 1587 Considering the following restraints:
.Router_3 maintains full connectivity
.Router_2 requires the least configuration
In order to achieve the OSPF LSDB optimization on Router_3. which Cisco IOS command should the engineer use on Router_2?
A. area 1 nssa default-information-originate
B. area n nssa no-summary
area 1 nssa no-redistribution
C. area 1 nssa no-redistribution
area 1 nssa default-information-originate
D. area 1 nssa no-summary
E. area 1 nssa no-redistribution
F. area 1 nssa no-summary
area 1 nssa default-information-originate
Answer: F
Q15. Cisco IOS XR has implemented a nonstop routing feature so that when RP failover occurs, the routing information can be recovered locally. Which protocol does not support the NSR feature?
A. OSPF
B. LDP
C. BGP
D. IS-IS
E. RSVP
Answer: E