300-420 Dumps PDF – 300-420 Real Exam Questions Answers [Q135-Q159]

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300-420 Dumps PDF – 300-420 Real Exam Questions Answers

Get Started: 300-420 Exam [year] Dumps Cisco PDF Questions

Passing the Cisco 300-420 certification exam demonstrates that the candidate has a thorough understanding of enterprise-level network design and implementation concepts and can apply this knowledge to design and implement advanced network solutions. It also validates their ability to use Cisco’s latest technologies and solutions to build robust, secure, and scalable networks that meet the business needs of their organizations.

WAN for Enterprise Networks

This topic focuses on 20% of the overall content and validates the applicants’ competence in the following areas:

  • Explaining the architecture for Cisco SD-WAN, including management plane orchestration plan, data plane, security, control plane, provisioning, and on-boarding;
  • Explaining the design considerations for Cisco SD-WAN (LAN design, control plane design, overlay design, scalability, redundancy, high availability, security design, multicast & QoS over the SD-WAN fabric).
  • Comparing the connectivity options for WAN, including MPLS L3 VPN, L2 VPN, 4G/5G, DWDM, Metro Ethernet, and SD-WAN customer edge;
  • Designing site-to-site VPN, such as DMVPN, MPLS L3 VPN, L2 VPN, IPsec, GET VPN & GRE;
  • Designing high availability for enterprise WAN, covering failover, multihomed, backup connectivity, as well as single-homed;

Cisco 300-420 exam is a 90-minute test that consists of 60-70 multiple-choice questions. To pass the exam, candidates must demonstrate their proficiency in designing and implementing complex enterprise-level networks. 300-420 exam is available in English and Japanese and can be taken at any Pearson VUE testing center around the world. Successful completion of 300-420 exam demonstrates that an IT professional has the skills and knowledge necessary to design and implement complex enterprise networks that meet the needs of modern businesses.

 

QUESTION 135
Refer to the exhibit. An engineer is designing a BGP solution for a client that peers with ISP1 for full Internet connectivity and with ISP2 for direct exchange of routes for several third parties. Which action, when implemented on the edge routers, enables the client network to reach the Internet through ISP1?

 
 
 
 

QUESTION 136
A network engineer must design a multicast solution to prevent the spoofing of multicast streams and ensure efficient bandwidth utilization. The network will be merged with another multicast domain in the future, and the merge must require minimum effort. Which two solutions meet the customer requirements? (Choose two.)

 
 
 
 
 

QUESTION 137
Drag and drop the characteristics from the left onto the Yang model they describe on the right.
Select and Place:

QUESTION 138
Refer to the exhibit. An architect reviews the low-level design of a company’s enterprise network and advises optimizing the STP convergence time. Which functionality must be to Gi1/0/1-10 to follow the architect’s recommendation?

 
 
 
 

QUESTION 139
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?

 
 
 
 

QUESTION 140
A client is moving to Model-Driven Telemetry and requires periodic updates.
What must the network architect consider with this design?

 
 
 
 

QUESTION 141
Drag and drop the description from the left onto the corresponding WAN connectivity types and categories on the right.

QUESTION 142
Which two best practices must be followed when designing an out-of-band management network? (Choose two.)

 
 
 
 
 

QUESTION 143
Refer to the exhibit.

An architect must design an IP addressing scheme for a multisite network connected via a WAN transit. The campus site must accommodate 12,000 devices and the branch sites must accommodate 1,000 devices. Which address scheme optimizes network device resources, contains convergence events to the different blocks of the network, and ensures future growth of the network?

 
 
 
 

QUESTION 144
Drag and drop the elements from the left onto the functions they perform in the Cisco SD-WAN architecture on the right.

QUESTION 145
Refer to the exhibit. An architect must design a solution to connect the network behind R3 with the EIGRP network. Which mechanism should be included to avoid routing loops?

 
 
 
 

QUESTION 146
A client is moving to Model-Driven Telemetry and requires periodic updates. What must the network architect consider with this design?

 
 
 
 

QUESTION 147
Refer to the exhibit.

Refer to the exhibit. The full EIGRP routing table is advertised throughout the network. Currently, users experience data loss when any one link in the network fails. An architect optimizes the network to reduce the impact when a link fails. Which solution should the architect include in the design?

 
 
 
 

QUESTION 148
An engineer must propose a solution for a campus network that includes the capability to create multiple Layer
3 virtual networks. Each network must have its own addressing structure and routing table for data forwarding.
The solution must be scalable to support hundreds of virtual networks and allow simple configuration and management with minimal administrative overhead. Which solution does the engineer recommend?

 
 
 
 

QUESTION 149
Drag and drop the properties from the left onto the protocols they describe on the right.

QUESTION 150
Refer to the exhibit.

EIGRP has been configured on all links. The spoke nodes have been configured as EIGRP stubs, and the WAN links to R3 have higher bandwidth and lower delay than the links to R4. When a link failure occurs at the R1-R2 link, what happens to traffic on R1 that is destined for a subnet attached to R2?

 
 
 
 

QUESTION 151
Drag and drop the elements from the left onto the YANG models where they and used on the right.

QUESTION 152
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.)

 
 
 
 
 

QUESTION 153
Which design achieves SD-WAN control plane redundancy?

 
 
 
 

QUESTION 154
Which control-plane technology allows the same subnet to exist across multiple network locations?

 
 
 
 

QUESTION 155
Which PIM mode uses a shared tree only?

 
 
 
 

QUESTION 156
An engineer must design a multicast network for a financial application. Most of the multicast sources also receive multicast traffic (many-to-many deployment model). To better scale routing tables, the design must not use source trees. Which multicast protocol satisfies these requirements?

 
 
 
 

QUESTION 157
An engineer must design an addressing plan for a small business using a single /24 network. Each department must have its own subnet. Drag and drop the subnets from the left onto the departments requirements that they fulfill on the right. Not all options are used.

QUESTION 158

Refer to the exhibit. A network engineer must design a BGP solution based on:
* The route reflector must have one or more direct physical connections to the core routers (R3 and R4).
* The route reflector must have full redundancy and avoid a single point of failure.
* R2 to R1 link utilization is 90%. and the remaining links are less than 50% utilized.
Which two solutions must the design Include?(Choose two.)

 
 
 
 
 

QUESTION 159
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?

 
 
 
 

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