[Jan 03, 2022] Pass CCNP Enterprise 300-420 Exam With 151 Questions
Ultimate Guide to Prepare Free Cisco 300-420 Exam Questions and Answer
NEW QUESTION 61
A customer's current Layer 2 infrastructure is running Spanning Tree 802.1d, and all configuration changes are manually implemented on each switch. An architect must redesign the Layer 2 domain to achieve these goals:
* reduce the impact of topology changes
* reduce the time spent on network administration
* reduce manual configuration errors
Which two solutions should the architect include in the new design? (Choose two.)
- A. Configure broadcast and multicast storm control on all switches.
- B. Use VTP to propagate VLAN information and to prune unused VLANs.
- C. Implement Rapid PVST+ instead of STP.
- D. Configure dynamic trunking protocol to propagate VLAN information.
- E. Implement MST instead of STP.
Answer: A,B
NEW QUESTION 62
An infrastructure team is concerned about the shared memory utilization of a device, and for this reason, they need to monitor the device state. Which solution limits impact on the device and provides the required data?
- A. periodic subscription
- B. on-change subscription
- C. IPFIX
- D. static telemetry
Answer: C
Explanation:
Section: Automation
Explanation
Explanation/Reference:
NEW QUESTION 63
Drag and drop the characteristics from the left onto the telemetry mode they apply to on the right.
Answer:
Explanation:
NEW QUESTION 64
Drag and drop the characteristics from the left onto the Yang model they describe on the right.
Select and Place:
Answer:
Explanation:
NEW QUESTION 65
A customer with an IPv4 only network topology wants to enable IPv6 connectivity while preserving the IPv4 topology services. The customer plans to migrate IPv4 services to the IPv6 topology, then decommission the IPv4 topology. Which topology supports these requirements?
- A. NAT64
- B. 6VPE
- C. dual stack
- D. 6to4
Answer: C
NEW QUESTION 66
Drag and drop the components in a Cisco SD-Access architecture from the left onto their descriptions on the right.
Answer:
Explanation:
NEW QUESTION 67
When IPsec VPNs are designed, what is a unique requirement if support for IP Multicast is required?
- A. additional bandwidth for headend
- B. encapsulation of traffic with GRE or VTI
- C. IPsec forwarding using transport mode
- D. IPsec forwarding using tunnel mode
Answer: B
Explanation:
Section: WAN for Enterprise Networks
Explanation/Reference:
NEW QUESTION 68
An engineer must design an in-band management solution for a customer with branch sites. The solution must allow remote management of the branch sites using management protocols over an MPLS WAN. Queueing is implemented at the remote sites using these classes:
How must the solution prioritize the management traffic over the WAN?
- A. Mark the traffic with DSCP CS6 and map into Class1 with a minimum bandwidth assigned by reducing the bandwidth available to Class2
- B. Mark the traffic with DSCP EF and map into Class1 with a minimum bandwidth assigned by reducing the bandwidth available to Class2.
- C. Mark the traffic with DSCP CS1 and map into Class2 with a minimum bandwidth assigned by reducing the bandwidth available to CIass3.
- D. Mark the traffic with DSCP CS2 and map into Class2 with a minimum bandwidth assigned by reducing the bandwidth available to Class3
Answer: B
NEW QUESTION 69
A network solution is being designed for a company that connects to multiple Internet service providers. Which Cisco proprietary BGP path attribute will influence outbound traffic flow?
- A. Local Preference
- B. AS Path
- C. Weight
- D. Community
- E. MED
Answer: C
Explanation:
Section: Advanced Addressing and Routing Solutions
NEW QUESTION 70 
Refer to the exhibit. The distribution switches serve as the layer 3 boundary. HSRP preemption is enabled.
When the primary switch comes back after a failure, traffic is initially dropped. Which solution must be implemented to improve the design?
- A. Use the preempt delay feature on the primary HSRP device.
- B. Use the preempt delay feature on the backup HSRP device
- C. Increase the hello timers on both HSRP devices
- D. Configure a higher mac-refresh interval on both HSRP devices
Answer: A
NEW QUESTION 71
Drag and drop the model driven telemetry characteristics from the left onto the mode they belong to on the right.
Answer:
Explanation:
NEW QUESTION 72
A company with multiple service providers wants to speed up BGP convergence time in the event a failure occurs with their primary link. Which approach achieves this goal and does not impact router CPU utilization?
- A. Utilize BFD and keep the default BGP timers
- B. Lower the BGP hello interval
- C. Decrease the BGP keepalive timer
- D. Utilize BFD and tune the multiplier to 50
Answer: C
NEW QUESTION 73
An engineer is working for a large cable TV provider that requires multiple sources streaming video on different channels using multicast with no rendezvous point. Which multicast protocol meets these requirements?
- A. BIDIR-PIM
- B. PIM-SM
- C. PIM-SSM
- D. any-source multicast
Answer: A
NEW QUESTION 74
Which control-plane technology allows the same subnet to exist across multiple network locations?
- A. VXLAN
- B. FabricPath
- C. LISP
- D. ISE mobility services
Answer: A
NEW QUESTION 75
Which two techniques improve the application experience in a Cisco SD-WAN design? (Choose two.) utilizing forward error correction
- A. implementing AMP
- B. implementing a stateful application firewall
- C. utilizing quality of service
- D. implementing Cisco Umbrella
Answer: B,D
NEW QUESTION 76
A network solution is being designed for a company that connects to multiple Internet service providers.
Which
Cisco proprietary BGP path attribute will influence outbound traffic flow?
- A. Local Preference
- B. AS Path
- C. Weight
- D. Community
- E. MED
Answer: C
NEW QUESTION 77
Drag and drop the characteristics from the left onto the Yang model they describe on the right.
Answer:
Explanation:
NEW QUESTION 78
An architect is designing a multicast solution for a network that contains over 100 routers. The architect plans to create several multicast domains and balance the PIM-SM traffic within the network. Which technology should the architect include in the design?
- A. MSDP
- B. MOSPF
- C. DVMRP
- D. IGMP
Answer: A
NEW QUESTION 79
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