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Q141. A network engineer must create a Layer 2 switch block design that has deterministic convergence and is loop-free at Layer 2. Which two switch block elements are needed to meet the requirements? (Choose two.) 

A. Layer 3 link between distribution switches 

B. HSRP with interface tracking on uplinks to core switches 

C. RPVST with equal bridge priority on distribution switches 

D. VLANs that do not span access switches 

E. Layer 2 link between distribution switches 

Answer: A,D 


Q142. An organization is designing the IP allocation of a new site. It currently has 12 separate IP 

segments. Each segment must be /24, accommodate 25% of growth, and be easily summarized. 

Which summarized IP block can be subnetted to meet these requirements? 

A. /18 

B. /19 

C. /20 

D. /21 

Answer:


Q143. The network designer needs to consider the number of multicast applications and sources in the network to provide the most robust network possible. Which of the following is a consideration the designer must also address? 

A. The IGPs should utilize authentication to avoid being the most vulnerable component 

B. With SSM source or receiver attacks are not possible 

C. With Shared Trees access control is always applied at the RP 

D. Limit the rate of Register messages to the RP to prevent specific hosts from being attacked on a PIM-SM network 

Answer:


Q144. Which option is a benefit of the vPC+ feature? 

A. Cisco FabricPath is not required in the network domain. 

B. This feature provides fault domain separation. 

C. Nonfabric devices, such as a server or a classic Ethernet switch, can be connected to two fabric switches that are configured with vPC. 

D. The control plane and management plane are combined into one logical plane. 

Answer:


Q145. The Cisco Nexus 1000V is intended to address which disadvantage of the VMware vSphere solution? 

A. Inability to deploy new functional servers without requiring physical changes on the network 

B. Complexity added by the requirement for an ESX host for each virtual machine 

C. Network administrators lack control of the access layer of the network 

D. To increase the number of physical infrastructure and the virtual machines that can be managed 

Answer:


Q146. Which routing protocol provides the fastest convergence and greatest flexibility within a campus environment? 

A. OSPF 

B. IS-IS 

C. BGP 

D. EIGRP 

Answer:


Q147. Which action can be taken on a multiaccess segment with OSPF speakers to reduce the performance impact during widespread convergence events? 

A. Separate the network into multiple areas for each new multiaccess segment. 

B. Enable LSA throttling in the core to slow link state advertisement updates during times of network instability. 

C. Ensure that the elected DR or BDR router can support high-volume convergence events. 

D. Verify that fewer than 50 OSPF speakers are on the segment. 

Answer:


Q148. A network engineer is designing an address plan based on network applications. Which application presents the greatest need for its own address block? 

A. IP telephony 

B. management 

C. multicast 

D. physical security 

Answer:


Q149. What data center network layer provides service module integration, Layer 2 domain definitions, and default gateway redundancy? 

A. core 

B. aggregation 

C. access 

D. edge 

Answer:


Q150. Which authentication framework is used in wireless networks and point-to-point connections? 

A. EAP 

B. L2TP 

C. TKIP 

D. PPP 

Answer: