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2021 Nov ccie service provider written:
Q61. A service provider is designing control policies at the customer edge of the network, in order to prevent usage that exceeds the contracted terms A new client that is contracted for only 2 Gbps is connecting to the service provider edge with a 10 Gbps interface. Which two OoS strategies meet the design goal? (Choose two.)
A. On the customer edge device, enable policing on the interface that is connected to the service provider.
B. On the service provider edge, enable WRED on the customer port.
C. On the customer edge, enable WRED on the interface that is connected to the service provider
D. I On the service provider edge, enable policing on the customer port
E. the customer edge device, enable traffic shaping on the interface that is connected to the service provider.
F. C On the service provider edge, enable traffic shaping on the customer port
Answer: D,E
Q62. In Multicast Inter-AS VPN context, which BGP attribute should you use to overcome the Option B limitation due to a rewritten originator next-hop address in the network?
A. connector
B. AS path
C. weight
D. originator
Answer: A
Q63. Refer to the exhibit.
Why does R1 not receive a label for 10.0.0.3/32 prefix?
A. R1 does not have an established LDP neighborship with the router announcing the 10.0.0.3/32 prefix.
B. The 10.0.0.3/32 prefix is being null-routed in the downstream neighbor
C. LDP peer is not configured to advertise a label for the 10.0.0.3/32 prefix
D. BGP is not configured to exchange labels with the BGP peer advertising 10.0.0 3/32 prefix
Answer: D
Q64. Refer to the exhibit. Customer XYZ Site 1 is not learning prefixes from Site 2. What is the issue?
A. MPLS LSP is broken along the path.
B. The route-policy is not implemented in router PE-2.
C. The BGP local-as command should be used between PE-1 and CE-1.
D. The route-distinguisher values must match in both sites.
E. The BGP as-override command should be implemented between PE-1 and CE-1.
Answer: E
Q65. Refer to the exhibit. In the short-pipe QoS mode, this customer has QoS control for which two links? (Choose two.)
A. a
B. c
C. d
D. b
E. e
Answer: A,E
Updated peter electronic br 400-201:
Q66. Refer to the exhibit.
A network engineer is troubleshooting PTP on Cisco ASR 9000 router. What can be concluded about the interface based on output provided?
A. The interface receives timestamps from a master clock, but the router's clock is not yet synchronized to the master.
B. The interface is aware of a better clock than the one it would advertise if it was in Master state.
C. The interface is not yet ready to participate on PTP.
D. The interface is about to go into Master state.
Answer: A
Q67. What is the PPMP label used for?
A. for the ingress replication model with BIDIR-PIM in an overlay model
B. only for the inter-AS mVPN models that use mLDP
C. for the partitioned mVPN model with PIM signaling in an overlay model
D. only for unicast over MPLS VPN
E. for all the default MDT and mVPN models
Answer: D
Explanation: http://lostintransit.se/tag/bgp/
https://tools.ietf.org/html/draft-rosen-l3vpn-mvpn-mspmsi-08#section-3.2.2.1
Q68. Which two frame types are correct when configuring T3 interfaces? (Choose two.)
A. M23
B. G.832
C. Extended Super Frame
D. C-bit parity
E. G.751
F. Super Frame
Answer: A,D
Explanation: http://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-2/interfaces/configuration/guide/hc42crsbook/hc42t3e3.html
Q69. Which is the main characteristic of LTE architecture compared to other mobile architectures?
A. Provides supports to deploy Layer 3 MPLS VPN model, where other mobile architectures do not support.
B. Offers node redundancy with the static route configured on the IP NodeB using the HSRP/VRRP virtual ip address.
C. Provides a simpler, less hierarchical model with the capability of simplistically distributing the core gateways.
D. Introduces a hierarchical model with connection-oriented service requirements and one-to-one relationships.
Answer: C
Explanation: https://books.google.co.in/books?id=-fyjBAAAQBAJ&pg=PA50&lpg=PA50&dq=LTE+Provides+a+simpler,+less+hierarchical+mo del+with+the+capability+of+simplistically+distributing+the+core+gateways.&source=bl&ots =Bwpk3CQ_jN&sig=2-kgrCA_7hEX3kuvSxWVV2AnAS0&hl=en&sa=X&ved=0CB0Q6AEwAGoVChMI_5La8tbCx wIVgZ6OCh1N7gHa#v=onepage&q=LTE%20Provides%20a%20simpler%2C%20less%20 hierarchical%20model%20with%20the%20capability%20of%20simplistically%20distributing %20the%20core%20gateways.&f=false
Q70. An engineer wants to configure Fast Reroute in the network. Which methodology eliminates RSVP configuration in the network?
A. Enable LDP Fast Synch.
B. Enable IP Fast Reroute.
C. Enable the auto tunnel primary feature.
D. Enable Cisco MPLS TE Fast Reroute.
E. Enable the auto tunnel backup feature.
Answer: B
Explanation:
http://www.cisco.com/en/US/docs/ios/12_0st/12_0st10/feature/guide/fastrout.html