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Free Cisco 300-420 Sample Questions
Question 1
An organization is designing a detailed QoS plan that limits bandwidth to specific rates. Which two parameters are supported be the traffic policing feature? (Choose two.)
A. violating
B. marking
C. shaping
D. bursting
E. conforming
Answer: B,C
Question 2
In an SD-WAN architecture, which methods are used to bootstrap a vEdge router?
A. DHCP options or manual configuration
B. vManage or DNS records
C. ZTP or manual configuration
D. DNS records or DHCP options
Answer: C
Question 3
A company is using OSPF between its HQ location and a branch office. HQ is assigned area 0 and the branch office is assigned area 1. The company purchases a second branch office, but due to circuit delays to HQ, it decides to connect the new branch office to the creating branch office as a temporary measure. The new branch office is assigned area 2. Which OSPF configuration enables all three locations to exchange routes?
A. The existing branch office must be configured as a stub area
B. A virtual link must be configured between the new branch office and HQ
C. A sham link must be configured between the new branch office and HQ
D. The new branch office must be configured as a stub area
Answer: B
Question 4
Which feature is used to optimize WAN bandwidth of IGMP network traffic among WAN Edge routers in the same VPN?
A. IGMPv2
B. multicast RP
C. multicast-replicator
D. multicast service routes
Answer: A
Question 5
A network engineer is redesigning a company's QoS solution. The company is currently using IP Precedence, but the engineer plans to move to DiffServ. It is important that the new solution provide backward compatibility with the current solution. Which technology should the design include?
A. expedited forwarding
B. assured forwarding
C. class selector code points
D. default per hop behavior
Answer: C
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