CCIE Service Provider 400-201 real exam dumps Certpark

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Share some CCIE 400-201 exam questions and answers below.
Refer to the exhibit. 



An engineer is asked to troubleshoot packet drops inside a network which option is true? 
A. HTTP traffic originated by the 10.10.10.0/24 subnet uses up to 10% of the interface bandwidth. However, if no congestion is present, no more bandwidth is allocated to HTTP traffic 
B. SMTP traffic originated by the 10.10.10.0/24 subnet uses up to 10% of the bandwidth, however, if no congestion is present, more bandwidth is allocated to SMTP traffic 
C. SMTP traffic originated by the 10.10.10.0/24 subnet uses up to 10% of the bandwidth. However, if no congestion is present, SMTP traffic above 10% of link bandwidth is dropped 
D. HTTP traffic originated by the 10.10.10.0/24 subnet uses up to 10% of the interface bandwidth. However, if congestion is present, less bandwidth is allocated to HTTP traffic 
Answer: C

Which Inter-AS option allows a sendee provider to provision AToM along with L3VPN provisioning? 
A.MPLS VPN Inter-AS with ASBRs exchanging VPN-IPv4 addresses 
B.MPLS VPN Inter-AS with ASBRs exchanging IPv4 routes and MPLS labels 
C.MPLS VPN Inter-AS Option AB 
D.back-to-back VRFs 
Answer: B

Which are the two advantages if an ISP chooses a platform that runs Cisco IOS-XR Software instead of Cisco IOS Software? (Choose two.) 
A.Cisco IOS XR Software functions as a message-passing operating system. 
B.The system's scheduler is priority-based. 
C.The context switching is based on Cisco Express Forwarding. 
D.VoIP traffic is hardware-processed for real-time response. 
E.Communication between client and server is realized by a dedicated mechanism. 
Answer: AB

A service provider is using multicast flows to provide streaming video content to its customers. Video streams are sometimes interrupted, and network instability is determined to be the cause. 
Which action should the service provider take to decrease the burden on the router resources in an unstable unicast routing environment? 
A. increase the PIM hello hold timers 
B. reduce the volume of query messages 
C. filter unnecessary SA messages 
D. tune the RPF backoff 
Answer: D

Which three OSPF pieces of information must between routers in order to establish an ospf neighborship? (Choose three) 
A. Area ID 
B. Hello interval and dead interval timer value 
C. LSA refresh period timer value 
D. Priority value 
E. Stub flag 
F. Process ID 
Answer: A, B, E

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