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Q1. You are designing a network to support data, voice and video. Which two main factors will you address to improve network convergence? (Choose two.) 

A. event propagation delay 

B. failure detection delay 

C. forwarding engine update delay 

D. routing table recalculation delay 

Answer: BD 


Q2. Refer to the exhibit. 

How would you redesign the network to improve availability of the routers 1A and 1B at the core site? 

A. Enable Graceful Restart Helper for OSPF 

B. Use link bundles over multiple slots 

C. Use APS Ethernet circuits and redundant interfaces 

D. Create a multichassis system with the two routers 

Answer:


Q3. Which two features can be used to extend VRFs across a campus? (Choose two.) 

A. 802.1q trunks 

B. LDP 

C. MPLS TE 

D. GRE 

E. port channels 

Answer: AD 


Q4. You are designing a solution to eliminate the risk of high CPU utilization on a core network composed of CRS-1 devices. Which option would eliminate the risk of high CPU utilization across the network? 

A. Use Local Packet Transport Services (LPTS) to manage hardware SNMP flow rate. 

B. Use the in-band control plane policy feature to reduce the SNMP flow rate. 

C. Use the control plane policy feature and reduce SNMP flow rate. 

D. Use control-plane management-plane in-band and reduce the SNMP flow rate. 

E. Use the control-plane management-plane out-of-band feature to reduce the SNMP flow rate. 

Answer:


Q5. Which of the following design options meet the requirement to provide IPv6 interdomain multicast? 

A. MSDP 

B. PIM SSM 

C. Auto-RP 

D. PIM dense mode 

Answer:


Q6. Your company will attach to a new Gigabit Ethernet-based wide area network from the local service provider for remote connectivity. Each connection will have a 150 Mb/s committed information rate. For the design of this new service, which QoS mechanism should be used to ensure low packet loss toward the service provider network? 

A. shaping 

B. policing 

C. CBWFQ 

D. RED 

Answer:


Q7. When designing a large full mesh network running OSPF, how would you reduce LSA repetition? 

A. Elect a DR and BDR. 

B. Use access control lists to control outbound advertisements. 

C. Choose one or two routers to re-flood LSA information. 

D. Put each of the point-to-point links in your full mesh networking into a separate area. 

Answer:


Q8. Which mechanism should be added to a network design to identify unidirectional Spanning Tree Protocol failures through BPDU loss? 

A. UDLD 

B. loop guard 

C. BPDU guard? 

D. root guard 

Answer:


Q9. A service provider has a Resilient Ethernet Protocol ring running as a metro backbone between its locations in one city. A customer wants to connect one site with one box redundant to theResilient Ethernet Protocol ring at two different service provider locations. How can this be done without producing any Layer 2 loops within the network design? 

A. Spanning tree at the service provider side only must be enabled. 

B. Spanning tree at the customer side only must be enabled. 

C. Flex Links at the service provider side only must be enabled. 

D. Flex Links at the customer side only must be enabled. 

E. EtherChannel at the service provider side and the customer side must be enabled. 

F. Spanning tree at the service provider side and the customer side must be enabled. 

G. Flex Links at the service provider side and the customer side must be enabled. 

Answer:


Q10. What is a key role for the access layer in a hierarchical network design? 

A. The access layer provides a security, QoS, and policy trust boundary. 

B. The access layer provides an aggregation point for services and applications. 

C. The access layer serves as a distribution point for services and applications. 

D. The access layer can be used to aggregate remote users. 

Answer: