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Q1. Network Operations team has configured the routers with the logging buffered warnings command. Which three severity levels appear in the router syslog? (Choose three.)
A. errors
B. notifications
C. informational
D. alerts
E. debugging
F. emergencies
Answer: A,D,F
Q2. In an end-to-end Layer 2 service, which technology provides the capability to detect, verify, isolate, and report faults across a provider network?
A. carrier detect
B. UDLD
C. BFD
D. CFM
Answer: D
Q3. 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: B
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
Q4. 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
Answer: D
Q5. 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
Answer: A,C,F
Explanation: https://supportforums.cisco.com/document/93456/asr9000xr-local-packet-transport-services-lpts-copp
Q6. Refer to the exhibit. Why is R3 unable to install 1.1.1.1/32 in its routing table?
A. 11.11.11.11/32 exists in the routing table, so the conditional advertising is not working.
B. The route is filtered out by the ip prefix-list ROUTE-IN command.
C. 11.11.11.11/32 is advertising in the BGP table, so conditional advertising is not working.
D. The bgp redistribute-internal command is missing under the R2 BGP process.
Answer: B
Q7. An engineer needs to implement changes to Router_A during a maintenance window. The engineer first saves the running-configuration of all routers to the local disk0, then applies the required configuration changes. However, during post checks, the engineer realizes the implementation was deployed on Router_B instead.
Which command should the engineer apply to reverse the changes made during the maintenance window?
A. configure revert disk0:myconfig-1
B. configure reload ditk0:myconfig-1
C. configure copy disk0:myconfig-1
D. configure replace disk0:myconfig-1
Answer: D
Explanation: http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/config-mgmt/configuration/15-sy/config-mgmt-15-sy-book/cm-config-rollback-confirmed-change.html
Q8. DRAG DROP
Drag and drop the IPFIX terminology on the left to the correct description on the right. Not all options will be used.
Answer:
Q9. Refer to the exhibit. Which statement is true?
A. This is an inter autonomous unicast route.
B. The BGP MED value is 26.
C. This is an mVPN route.
D. The route target value is 10.1.100.2:3.
E. There is a route reflector in this network.
F. The route did not import this route into the VRF one.
Answer: E
Q10. SSO was configured on a Cisco ASR 1006 Router by using two RPs. When the main RP failed, a service disruption occurred. What are two reasons that the SSO did not work? (Choose two.)
A. The standby RP has a different DRAM configuration than the primary RP.
B. HSRP and NSF are not configured.
C. The ESP that is installed in the Cisco ASR 1006 Router does not support SSO.
D. The standby RP was not ready to switch over when the primary RP failed.
E. The standby RP has a different IOS version than the primary RP.
Answer: B,E
Explanation:
http://www.cisco.com/c/en/us/td/docs/routers/asr1000/configuration/guide/chassis/asrswcfg /High_Availability.html
Q11. What is the minimum hardware configuration of the multishelf Cisco CRS-1 system?
A. One route processor (RP) card and one modular services card (MSC)
B. One distributed route processor (DRP) and one S13 fabric card (SFC)
C. One line card chassis (LCC) and one fabric card chassis (FCC)
D. One route processor (RP) and one fabric card chassis (FCC)
E. One line card chassis (LCC) and one S13 fabric card (SFC)
Answer: C
Explanation:
1.4. SP high end product
A minimum of one LCC and one FCC are required to configure a multishelf system.
Q12. Refer to the exhibit. R2 and R3 cannot install IS-IS IPv6 routes. What is the root cause?
A. R2 is missing the metric-style wide command under the IS-IS process.
B. R3 is missing the multi-topology transition command under the IS-IS address-family IPv6 process.
C. R2 is missing the multi-topology command under the IS-IS address-family IPv6 process.
D. R3 is missing the metric-style wide command under the IS-IS process.
Answer: B
Q13. In a routing virtualization concept, which are the two main techniques for creating virtualized router entities as defined by their physical and operational characteristics? (Choose two.)
A. VDC
B. SVR
C. DRP
D. HVR
E. SDR
Answer: B,D
Explanation:
http://www.cisco.com/en/US/solutions/collateral/ns341/ns524/ns562/ns573/white_paper_c1 1-512753_ns573_Networking_Solutions_White_Paper.html
Q14. Refer to the exhibit.
In the topology, networks in VRF A use the service provider network for transport. PE1 and PE2 run MP-BGP VPNv4 peering. Links between PE and P routers have MPLS enabled. Links between R1 and P routers do not support MPLS.
Which technology can be implemented to build MPLS services between P1 and P2?
A. Layer 3 VPN over GRE Tunnels
B. L2TPv3
C. RSVP Signaled Tunneling
D. MPLS LDP Tunnels
E. MPLS TE
Answer: B
Q15. Which are the two purposes of the MPLS label value 1? (Choose two.)
A. it is used for MPLS OAM packets.
B. it indicates an implicit null label.
C. it is used for VPNv6 packets.
D. it is used to carry the QoS value in the label stack.
E. it indicates an explicit null label.
F. it indicates a router alert label.
Answer: C,F
Explanation: http://www.cisco.com/c/en/us/support/docs/multiprotocol-label-switching-mpls/mpls/4649-mpls-faq-4649.html#qa3
http://www.iana.org/assignments/mpls-label-values/mpls-label-values.xhtml
IPv4 Explicit NULL Label ----> 0
Router Alert Label ----> 1
IPv6 Explicit NULL Label -----> 2
Implicit NULL Label -----> 3
OAM Alert Labe -----> 14