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Q71. Refer to the exhibit.
Customer ABC is peering with two service providers for Internet Access In order to prevent the AS100 from becoming a transit AS between ISP_1 and ISP_2 Which BGP configuration must be applied to achieve this goal?
A. CE1#
ip as-path access-list 1 permit ^$
route-map LOCAL_ONLY permit 10
match as-path 1
router bgp 100
neighbor 1.1.2.2 route-map LOCAL_ONLY in
CE2#
ip as-path access-list 1 permit ^$
route-map LOCAL_ONLY permit 10
match as-path 1
router bgp 100
neighbor 1.1.1.2 route-map LOCAL-ONLY in
B. CE1#
ip as-path access-list 1 permit ^11$
route-map LOCAL_ONLY permit 10
match as-path 1
, router bgp 100
neighbor 1.1.1.2 route-map LOCAL_ONLY out
CE2#
ip as-path acctss-list 1 permit ^22$
router-map LOCAL.ONLY permit 10
match as-path 1
router bgp 100
neighbor 1.1.1.2 routt-map LOCAL_ONLY out
C. CE1#
ip as-path access-list 1 permit ^$
route-map LOCAL_ONLY permit 10
match as-path 1
router bgp 100
neighbor 1.1.2.2 route-map LOCAL_ONLY out
CE2#
ip as-path access-list 1 permit ^$
route-map LOCAL_ONLY permit 10
match as-path 1
router bgp 100
neighbor 1.1.1.2 route-map LOCAL_ONLY out
D. CE1#
ip as-path access-list 1 permit ^100$
route-map LOCAL_ONLY permit 10
match as-path 1
router bgp 100
neighbor 1.1.2.2 route-map LOCAL_ONLY out
CE2#
ip as-path access-list 1 permit ^100S
route-map LOCAL_ONLY permit 10
match as-path 1
router bgp 100
neighbor 1.1.1.2 route-map LOCALJDNLY out
Answer: C
Q72. Refer to the exhibit.
IS-IS configuration has been deployed using the default IS-IS metric value and default IS-IS metric-style. The SP decides to implement MPLS TE in all routers, except R5. In order to maintain IS-IS adjacency between R3 and R5 without impacting reachability, which command should be configured on R3 router under the IS-IS process?
A. metric-style narrow
B. metric-style wide
C. metric-style narrow transition
D. metric-style transition
Answer: D
Q73. Refer to the exhibit. An MPLS Layer 3 VPN service has been provisioned for a customer. What will be the ToS value at Site-B for the exceeded traffic that it is sent from Site-A with ToS 2?
A. 0
B. 2
C. 3
D. 4
E. No exceeded traffic will reach Site-B.
Answer: E
Q74. Which information is carried in the OSPFv3 intra-area Prefix LSA?
A. All link-local addresses
B. All IPv6 prefix and topology information that OSPFv2 included in Router LSA and Network LSA
C. List of options associated with the link to all other routers attached to the link
D. All prefix-specific information that OSPFv2 included in Router LSA and Network LSA
Answer: D
Explanation:
OSPFv3's new LSA, the Intra-area Prefix LSA (type 9), handles intra-area network information that was previously included in OSPFv2 type 2 LSAs. It is used in order to advertise one or more IPv6 prefixes. The prefixes are associated with router segment, stub network segment or transit network segment. Intra-area prefix LSAs (type 9) & Inter-Area-Prefix-LSA (type 3) carry all IPv6 prefix information, which, in IPv4, is included in router LSAs and network LSAs.
Q75. 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
Q76. Refer to the exhibit. A customer is running IS-IS within a network and is using BGP as a CE-PE routing protocol. Which action allows CE1 to get the subnet 10.10.2.0/24 over the CE1-PE1 link, regardless of whether there is a flap in the MPLS link or backdoor link?
A. Configure the neighbor <PE1-IP>weight 33768 command on CE1 under the BGP process.
B. Configure the distance bgp 115 200 200 command on CE1 under the BGP process.
C. Configure the distance 30 ip command on CE1 under the IS-IS process.
D. Configure the distance bgp 115 200 200 command on CE2 under the BGP process.
E. Configure the neighbor <PE1-IP>weight 33768 command on CE2 under the BGP process.
Answer: B
Q77. DRAG DROP
Drag and drop the IOS XR NTP access group options on the left to the right from the least restrictive (top) to the most restrictive order (bottom).
Answer:
Q78. Two Tier 2 Service Providers are using a Tier 1 Service Provider for transport. MPLS is required between the Tier 2 Service Providers for label switching. In this CSC solution, which label stack is correct?
A. original IP packet, MPLS CSC transport label, MPLS VPN label, and MPLS Tier 2 transport label
B. original IP packet, MPLS Tier 2 transport label, MPLS VPN label, and MPLS CSC transport label
C. original IP packet, MPLS VPN label, MPLS Tier 2 transport label, and MPLS CSC transport label
D. original IP packet, MPLS Tier 2 transport label, MPLS CSC transport label, and MPLS VPN label
Answer: C
Q79. 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
Q80. When IPv6 is enabled on an interface, which three multicast addresses does the configured interface automatically join? (Choose three.)
A. FF01::2
B. FEC0::1
C. FF02:0:0:0:0:1:FF00::/104
D. FF02::1
E. FF01::1
F. FF02::2
G. FF02::D
H. FF02::5
Answer: C,D,F
Explanation:
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/4_1/configuration/guides/cli_4_1/clibook/ipv6.pdf https://www.iana.org/assignments/ipv6-multicast-addresses/ipv6-multicast-addresses.xml
