Exam Code: 400-201 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: CCIE SP Written v4.0
Certification Provider: Cisco
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2021 Sep ccie service provider exam code:

Q11. Refer to the exhibit. 


Why is RC unable to receive prefix 1.1.1.1/32? 

A. On RB. neighbor 10.10.12.1 send-community is not configured. 

B. On RA, ip bgp-community new-format is not configured. 

C. On RB. neighbor 10.10.23.3 send-community is not configured. 

D. On RA, neighbor 10.10.12.2 send-community is not configured. 

E. On RC. ip bgp-community new-format is not configured. 

F. On RB, ip bgp-community new-format is not configured 

G. On RB. neighbor 10.10.23.3 next-hop-self is not configured. 

Answer: A 


Q12. 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 


Q13. 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 


Q14. Refer to the exhibit. 


A service provider has multiple time sources in the environment for NTP. The time source at 10.0.4.1 is intended to be seen as a primary time source. What command can be issued on PE4 to fix the configuration, ensuring the proper NTP source will be issued? 

A. ntp peer 10.0.4.1 

B. ntp peer 10.0.4.1 prefer 

C. ntp server 10.0.4.1 source GigabitEthernet0/0 

D. ntp server 10.0.4.1 prefer 

Answer: D 

Explanation: http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/5_x/nx-os/system_management/configuration/guide/sm_nx_os_cg/sm_3ntp.html#wp1106725 


Q15. Which MPLS technology will achieve LAN extensions over the service provider backbone? 

A. AToM 

B. VPLS 

C. L2VPN 

D. L2TPv3 

Answer: B 

Explanation: https://tools.ietf.org/html/rfc7041 


400-201  actual test

Far out ccie sp:

Q16. The product team at an ISP that offers VoIP services wants to add two-way video conferencing to their product offering. Which three QoS methods can be applied for real-time traffic on WAN links with speeds that are slower than 768 Kbps? (Choose three.) 

A. Apply MLP link fragmentation and interleaving to the interface. 

B. Apply LLQ with both voice traffic and video traffic in the same priority queue. 

C. Apply CBWFQ with VoIP traffic in its own class, which is marked with a PHB value of EF. 

D. Apply CBWFQ with video traffic in its own class, which is marked with a PHB value of AF41. 

E. Apply voice-adaptive fragmentation to ensure that large video packets are fragmented and interleaved. 

F. Apply LLQ with video traffic that is dedicated in the priority queue. 

Answer: A,C,D 

Explanation: 

http://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/WAN_and_MAN/QoS_SRND/Qo S-SRND-Book/WANQoS.html 


Q17. A client has an MPLS inter-AS implementation that is required to have QoS deployed between ASBRs based on IP packet. At the same time, the client requires minimization of the routing configuration between ASBRs for better scalability. Which MPLS inter-AS option can achieve this goal? 

A. Option A 

B. Option B 

C. Option C 

D. Option AB 

Answer: D 


Q18. What are two advantages of Cisco IOS XR Software over Cisco IOS Software? (Choose two.) 

A. a configuration that is grouped by interface 

B. a configuration that is grouped by process 

C. one-stage configuration 

D. a monolithic OS 

E. a two-stage configuration 

Answer: B,E 


Q19. Refer to the exhibit. The Service Provider does not have IPv6 support in the core, however it does have MPLS support. Customer requires IPv6 connectivity in all sites including Internet access. Without a requirement to create VRF, which method is preferred to support IPv6 traffic between these sites? 


A. 6VPE 

B. H-VPLS 

C. L2TPv3 

D. VPLS 

E. 6CE 

F. 6PE 

Answer: F 

Explanation: 

http://www.cisco.com/en/US/products/sw/iosswrel/ps1835/products_data_sheet09186a008 052edd3.html 


Q20. Refer to the exhibit. 


A service provider is running MPLS TE across its network. IS-IS is deployed as the IGP for the ISP network. The MPLS TE tunnel 0 configured on PE2 is seen in an operational down state. PE2 is a level-1 router and the destination 192.168.1.1 is located in the IS-IS level-2 area. Which action is required to bring the MPLS TE tunnel 0 to up state? 

A. Configure the next-address entries as loose paths in the explicit-path. 

B. Change the autoroute option from destination to announce. 

C. Configure a bandwidth value for the tunnel. 

D. Configure an IPv4 address for the Tunnel 0. 

E. Add a dynamic path option to the tunnel. 

Answer: A