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2021 Mar 300-320 question

Q151. What are the three configuration requirements for implementing Modular QoS on a router? (Choose three.) 

A. CoS 

B. class map 

C. precedence 

D. service policy 

E. priority 

F. policy map 

Answer: B,D,F 


Q152. Which two options are storage topologies? (Choose two.) 

A. WAS 

B. DAS 

C. CAS 

D. NAS 

Answer: B,D 


Q153. 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:


Q154. A network engineer has implemented a looped triangle switch block design. What element must be included in the design? 

A. first hop redundancy protocol 

B. Layer 2 links between access switches 

C. single uplinks between access and distribution switches 

D. VLANs that span access switches 

E. Layer 3 links between distribution switches 

Answer:


Q155. Which two design concerns must be addressed when designing a multicast implementation? (Choose two.) 

A. only the low-order 23 bits of the MAC address are used to map IP addresses 

B. only the low-order 24 bits of the MAC address are used to map IP addresses 

C. only the high-order 23 bits of the MAC address are used to map IP addresses 

D. only the low-order 23 bits of the IP address are used to map MAC addresses 

E. the 0x01004f MAC address prefix is used for mapping IP addresses to MAC addresses 

F. the 0x01005e MAC address prefix is used for mapping IP addresses to MAC addresses 

Answer: A,F 


Improve 300-320 dumps:

Q156. What two sensor types exist in an IDS/IPS solution? (Choose two.) 

A. host 

B. anomaly based 

C. policy based 

D. network based 

E. signature 

Answer: A,D 


Q157. In which multicast configuration is MSDP most useful? 

A. interdomain 

B. intradomain 

C. data center 

D. campus 

Answer:


Q158. A company's virtualization team wants to transfer control of network switching and policy 

management for VMware virtual servers to the networking team. What Cisco network virtualization solution should be implemented? 

A. Unified Computing System 

B. Nexus distributed virtual switch 

C. virtual network agent 

D. Nexus unified fabric switch 

Answer:


Q159. What is an advantage of using the Virtual Device Contexts feature in a data center environment? 

A. The same VLAN cannot be configured in separate Virtual Device Contexts. 

B. This feature provides fault domain separation. 

C. Supervisor modules are shared between Virtual Device Contexts. 

D. Fabric modules are shared between Virtual Device Contexts. 

Answer:


Q160. Which protocol is required for end-to-end signaling in an IntServ QoS architecture? 

A. RSVP 

B. DSCP 

C. ToS 

D. LLQ 

E. DiffServ 

Answer: