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2021 Dec 352-001 p4s:

Q101. Refer to the exhibit. 

On this MPLS-based network ring, links have failed between router A and router E. These failures formed microloops while the network converged, when A forwarded traffic to B but B forwards it back to A. 

Which technology is the simplest solution to avoid microloops without enabling a new protocol in the network? 

A. TE Fast ReRoute 

B. IP Fast ReRoute 

C. Loop-Free Alternate 

D. Remote Loop-Free Alternate 


Q102. A large enterprise customer is migrating thousands of retail offices from legacy TDM circuits to an Ethernet-based service. The network is running OSPF and has been stable for many years. It is now possible to backhaul the circuits directly to the data centers, bypassing the regional aggregation routers. Which two networking issues need to be addressed to ensure stability with the new design? (Choose two.) 

A. Nothing will change if the number of offices is the same. 

B. Nothing will change if the number of physical interfaces stays the same. 

C. The RIB will increase significantly. 

D. The FIB will increase significantly. 

E. The amount of LSA flooding will increase significantly. 

F. The size of the link-state database will increase significantly. 

Answer: EF 

Q103. You need to redesign your NMS system so that it can collect information without causing adverse effects in the network, such as high CPU utilization on network devices and network instability. Which two options will minimize the impact of the trusted NMS polling your network in this situation? (Choose two.) 

A. Implement SNMP community restrictions that are associated with an ACL. 

B. Unload unused MIBs from the network devices. 

C. Prevent polling of large tables through the use of SNMP OID restrictions. 

D. Disable unused OIDs and MIBs on the NMS systems. 

Answer: CD 

Q104. You are designing an 802.11 wireless network to include a controller as a central configuration point and access points across several remote sites. Which two aspects will manage the flow of the traffic to meet these design considerations? (Choose two.) 

A. WLAN local switching with VLAN mapping requires that VLAN ID that is mapped on the AP to match a dynamic interface that is configured on the wireless LAN controller. 

B. Layer 3 roaming is not supported for locally switched WLANs. 

C. The 802.1x authentication for a client associated to an AP on a locally switched WLAN is always handled at the wireless LAN controller side. 

D. The access point can receive multicast traffic in the form of multicast packets from the WLC. 

E. WLAN access lists can be applied only to centrally switched WLANs. 

Answer: BE 

Q105. To improve the stability of a global network, you have been tasked with changing the design to include link-state topology summarization. What are two issues that you should address as part of the design? (Choose two.) 

A. slow convergence 

B. suboptimal routing 

C. traffic black-holing 

D. packet reordering 

Answer: BC 

Leading examcollection 352-001:

Q106. Voice traffic between two campus enterprise networks is growing. The network designers decide to add a second 10-Mb Metro Ethernet service parallel to their original 10-Mb service in order to provide more bandwidth and diversity. The QoS profile will be the same on the new 10-Mb service due to the voice stability on the first Metro Ethernet link. When the second link is added to the OSPF domain, which traffic design consideration would have the most impact on the voice traffic when both links are active? 

A. per-destination IP address basis 

B. per-flow basis 

C. per-packet basis 

D. per-source IP address basis 


Q107. Refer to the exhibit. 

You are designing a spanning-tree network for a small campus. Which two of these options would result in a trouble-free spanning-tree network design? (Choose two.) 

A. Convert all ports to trunk ports, prune off the VLANs that you do not require, and minimize the number of blocking ports. 

B. Introduce Layer 3 VLANs (SVIs) and prune off the VLANs that you do not require. 

C. Convert all the ports to trunk and enable BackboneFast. 

D. Convert all the ports to trunk and enable UplinkFast between all the links. 

Answer: AB 

Q108. You are designing a large-scale DMVPN network with more than 500 spokes using EIGRP as the IGP protocol. Which design option eliminates potential tunnel down events on the spoke routers due to the holding time expiration? 

A. Increase the hold queue on the tunnel interface of the spoke routers. 

B. Increase the hold queue on the physical interface of the spoke routers. 

C. Increase the hold queue on the physical interface of the hub router. 

D. Increase the hold queue on the tunnel interface of the hub router. 

E. Apply QoS for pak_priority class. 


Q109. You are evaluating convergence characteristics of various interior gateway protocols for a new network design. Which technology allows link-state routing protocols to calculate paths to destination prefixes that are functionally similar to feasible successors in Enhanced Interior Gateway Routing Protocol? 

A. Incremental Shortest Path First 

B. Cisco Multiprotocol Label Switching Traffic Engineering Fast Reroute 

C. Loop-Free Alternate Fast Reroute 

D. partial route calculation 

E. Fast-Flooding 


Q110. While reviewing an existing network design, you are discussing the characteristics of different STP versions. Which protocol minimizes unicast flooding during TCN in a Layer 2 switched network with many VLANs?