Ucertify offers free demo for 400-201 exam. "CCIE SP Written v4.0", also known as 400-201 exam, is a Cisco Certification. This set of posts, Passing the Cisco 400-201 exam, will help you answer those questions. The 400-201 Questions & Answers covers all the knowledge points of the real exam. 100% real Cisco 400-201 exams and revised by experts!


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Q1. 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 


Q2. In a PE-CE scenario using OSPF as the routing protocol, a down-bit set can be advertised in which OSPF LSA type? 

A. type 1 LSA 

B. type 2 LSA 

C. type 3 LSA 

D. type 5 LSA 

E. type 7 LSA 

Answer:


Q3. Refer to the exhibit. A web server is connected to a switch via two Gigabit Ethernet links. These two links are bundled into a single logical link that provides the aggregate bandwidth of 2 Gbps. The support engineer notices that traffic from the Internet to the web server uses both Gigabit Ethernet links. However, traffic from the web server to the Internet uses only one link. 

Which CLI command on the exhibit causes this behavior? 

A. lacp port-priority 32768 in interface configuration mode 

B. channel-group 5 mode passive 

C. lacp port-priority 32768 in global configuration mode 

D. port-channel load-balance dst-mac 

Answer:


Q4. A network engineer is responsible for implementing a solution with Cisco IOS XR Software that insures continuous forwarding during a control plane failure. Which two technologies should the engineer consider? (Choose two.) 

A. TE FRR 

B. IP FRR 

C. graceful restart 

D. BFD 

E. NSR 

Answer: C,E 

Explanation: http://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-3/mpls/configuration/guide/b_mpls_cg43xcrs/b_mpls_cg43crs_chapter_01.html#task_1129 


Q5. Which QoS method is available when GRE is used to provide MPLS VPN services over an IP-only core? 

A. matching MPLS EXP on the physical interface 

B. matching EXP on the tunnel interface 

C. matching DSCP on the physical interface 

D. matching DSCP on the tunnel interface 

Answer:


Q6. MPLS Service Providers use Route Distinguishers and Route Targets as methods to control routing for customer VRFs. Which two statements are true about Route Distinguishers and Route Targets? (Choose two.) 

A. Route Targets are values that are used by a PE router to uniquely identify a VRF within its local MP-BGP VPNv4 table. 

B. Route Distinguishers are used by PE routers by exporting and importing routes into a local VRF. 

C. Route Targets are used by PE routers to define how to import and export prefixes into a local VRF database. 

D. Route Targets are extended communities that are used by MP-BGP to identify routes as they are advertised to neighbor PE routers. 

E. Route Distinguishers are values that are used by a PE router to uniquely identify a VRF within its local MP-BGP VPNv4 table. 

Answer: C,E 


Q7. Which are the two fundamental ways in which IEEE 1588 differs from SyncE? (Choose two.) 

A. In addition to frequency synchronization, it achieves ToD synchronization to achieve phase alignment which is required for multi-channel communication. 

B. It is a purely-based solution, with the actual clock values being passed inside the payloads of special packets dedicated to that task. 

C. It offers two major changes over traditional Ethernet to make it suitable for clock distribution: a mandated clock accuracy and the ESMC protocol for clock selection, distribution, management, traceability, and failover. 

D. SyncE is a Cisco proprietary ToD technology where IEEE 1588 is a industry standard recommended for interoperability across vendor devices. 

E. IEEE 1588 applies to voice-only systems or with low-bandwidth data traffic. 

Answer: A,B 

Explanation: http://www.eetimes.com/document.asp?doc_id=1278660 


Q8. Customers connecting to a Service Provider for Internet access are intending to implement redundant peering. The design requirements call for preferring a primary link for both ingress and egress traffic. Secondary links should be used only during primary outages. What two BGP deployment options will accomplish this design goal? (Choose two.) 

A. On the router handling the secondary link, advertise routes with a MED value of 0. 

B. On the router handling the primary link, set the weight for all incoming routes to be a value of 0. 

C. On the router handling the secondary link, advertise all routes with a longer AS-PATH value. 

D. On the router handling the primary link, advertise all routes with a longer AS-PATH value. 

E. On the router handling the secondary link, set the local preference for all incoming routes to be a value of 0. 

Answer: C,E 


Q9. Refer to the exhibit. Why is R3 unable to install 1.1.1.1/32 in its routing table? 

A. 11.11.11.11/32 exists in the routing table, so the conditional advertising is not working. 

B. The route is filtered out by the ip prefix-list ROUTE-IN command. 

C. 11.11.11.11/32 is advertising in the BGP table, so conditional advertising is not working. 

D. The bgp redistribute-internal command is missing under the R2 BGP process. 

Answer:


Q10. Refer to the exhibit. 

It displays the Router_3 FIB information without any OSPF LSDB optimization. An engineer wants to optimize the OSPF LSDB in accordance with RFC 1587 Considering the following restraints: 

.Router_3 maintains full connectivity 

.Router_2 requires the least configuration 

In order to achieve the OSPF LSDB optimization on Router_3. which Cisco IOS command should the engineer use on Router_2? 

A. area 1 nssa default-information-originate 

B. area n nssa no-summary 

area 1 nssa no-redistribution 

C. area 1 nssa no-redistribution 

area 1 nssa default-information-originate 

D. area 1 nssa no-summary 

E. area 1 nssa no-redistribution 

F. area 1 nssa no-summary 

area 1 nssa default-information-originate 

Answer: