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Q1. Refer to the BGP and route map configurations exhibit.
When the "setas" route map is applied to the 10.1.1.2 neighbor, the 10.1.1.2 neighbor is not able to receive all the required BGP routes from this router. What could be the problem?
A. The BGP session was cleared using the clear ip bgp command after the route map was applied.
B. The test1 or test2 prefix-list is misconfigured.
C. There is no pass action configured within the route map.
D. The route map is missing the route-map setas permit 30 statement.
Answer: D
Q2. When monitoring the OSPF operations in the network, you notice that the OSPF process is not load balancing traffic across multiple OSPF links. Which configuration adjustment could be made to enable the OSPF process to load balance traffic across multiple OSPF links?
A. Enable BFD on the OSPF interfaces and on the OSPF routing process.
B. Enable NSR on the OSPF routing process.
C. Enable NSF on the OSPF routing process.
D. Adjust the OSPF cost on the OSPF interfaces.
E. Adjust the OSPF variance parameter.
F. Use the wide-style OSPF metric instead of the narrow-style OSPF metric.
Answer: D
Q3. Which statement is correct regarding the DR election process In this OSPF implementation?
A. Both the CE5 and PE6 routers are DROTHERs
B. PE5 is the OSPFv2 DR for the GigabitEthernet link between PE5 and PE6
C. PE6 is the OSPFv2 and OSPFv3 DR for the GigabitEthernet link between PE5 and PE6
D. PE6 is the DR for the GigabitEthernet link between PE5 and PE6 because it has a higher OSPF priority
Answer: A
Explanation: # show ip ospf neighbor # show ipv6 ospf neighbor
Q4. How can you prevent multihomed customers with connections to two service providers from acting as a transit AS?
A. Enable BGP synchronization on all the customer routers
B. Use MED to influence the inbound traffic from the ISPs
C. Use static routing to the ISPs
D. Use an AS-path access-list to filter the BGP updates to the ISPs
E. Use conditional advertisements when sending BGP updates to the ISPs
Answer: D
Q5. Refer to the PE1 router routing table output exhibit.
What is causing the i su 10.1.10.0/24 [115/30] via 0.0.0.0, 00:40:34, Null0 entry on the PE1 router routing table?
A. The PE1 router is receiving the 10.1.10.0/24 summary route from the upstream L1/L2 IS-IS router.
B. The PE1 router has been configured to summarize the 10.1.10.x/32 IS-IS routes to 10.1.10.0/24.
C. The 10.1.10.0/24 has been suppressed because IS-IS auto-summary has been disabled on the PE1 router.
D. The 10.1.10.0/24 has been suppressed because of a route policy configuration on the PE1 router.
E. The 10.1.10.0/24 has been suppressed because the more specific 10.1.10.x/32 IS-IS routes have been configured to leak into the IS-IS non-backbone area.
Answer: B
Explanation:
C:Documents and Settingsuser-nwzDesktop1.JPG
Q6. Which option describes how.an engineer must configure route summarization on a Cisco IOS XE OSPF-enabled network of routers?
A. area range command under the router OSPF process of the ABR
B. area range command under the router OSPF process of the router wanting to originate the summary route from
C. summary-address command under the OSPF process of the ABR
D. summary-address command under the OSPF process of the router wanting to originate the summary route from
E. network statement for the aggregate address under the router OSPF process on the ABR
F. network statement for the aggregate address under the router OSPF process of the router wanting to originate the summary route from
Answer: A
Q7. Which two statements regarding OSPFv2 or OSPFv3 authentication are correct? (Choose two.)
A. OSPFv2 supports MD5 authentication.
B. OSPFv2 supports MD5 or SHA authentication.
C. OSPFv2 relies on the native security stack that uses IPsec.
D. OSPFv3 supports MD5 authentication.
E. OSPFv3 supports MD5 or SHA authentication.
F. OSPFv3 relies on the native security stack that uses IPsec.
Answer: A,F
Q8. Which RPLs can be used to conditionally advertise a default route based on the prefix
1.1.1.1 being in the routing table?
A. route-policy RPL_Default_Originate if rib-has-route in (1.1.1.1/32) pass else drop endif end-policy
B. route-policy RPL_Default_Originate if rib-has-route in (1.1.1.1/32) drop else pass endif end-policy
C. route-policy RPL_Default_Originate if route in (1.1.1.1/32) pass else drop endif end-policy
D. route-policy RPL_Default_Originate if not rib-has-route in (1.1.1.1/32) pass else drop endif end-policy
Answer: A
Q9. An engineer is working on routers within AS 100. Which regular expression can be used in an AS path access list to match locally originated routes from AS 100?
A. ^100$
B. ^$
C. _100$
D. ^[0-9]*$
Answer: B
Q10. A Cisco IOS XR router must be configured with BFD for OSPF. Which configuration is correct?
A. interface GigabitEthernet0/0/0/0 ip ospf bfd
B. router ospf 1 area 0 interface GigabitEthernet0/0/0/0 bfd fast-detect
C. router ospf 1 area 0 interface GigabitEthernet0/0/0/0 bfd fast-detect ipv4
D. router ospf 1 bfd all-interfaces
Answer: B