Cisco 300-420 Latest Test Fee: Designing Cisco Enterprise Networks - Free4Torrent 10 Years of Excellence

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Cisco 300-420 Certification Exam is an essential exam for IT professionals seeking to advance their careers in network design. It is a rigorous exam that tests the candidate's proficiency in network design principles, enterprise campus architecture, WAN technologies, security, and automation. By passing the exam, candidates can demonstrate their expertise in designing and implementing robust, scalable, and secure enterprise networks using Cisco technologies.

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Cisco 300-420 (Designing Cisco Enterprise Networks) certification exam is a comprehensive exam that tests the knowledge and skills of network design engineers. 300-420 exam covers a wide range of topics related to enterprise network design and is intended for network architects, network designers, and network engineers. 300-420 Exam is challenging and requires extensive preparation, but it is an important certification that can help candidates to advance their careers and increase their earning potential.

Cisco Designing Cisco Enterprise Networks Sample Questions (Q22-Q27):

NEW QUESTION # 22
Refer to the exhibit. A network engineer is designing an OSPF solution to connect a company ' s remote to a newly provisioned MPLS VPN backbone. Some of the branches have a direct dark fiber connection between each other. The engineer wants to ensure that the dark fibers are used only when the MPLS core is unavailable. Which solution must the engineer choose?

A. Virtual link
B. Stub area
C. Sham link
D. NSSA

Answer: C

Explanation:
An OSPF sham link is the correct MPLS VPN design when backdoor links exist between customer sites and should be used only if the MPLS core is unavailable. In MPLS Layer 3 VPN designs that run OSPF between CE and PE routers, the MPLS VPN path can appear as an interarea route, while a direct dark-fiber backdoor link may appear as an intra-area route. OSPF prefers intra-area routes over interarea routes, so traffic could incorrectly prefer the dark-fiber path during normal operation. Cisco sham links solve this by creating an intra- area logical link across the MPLS VPN backbone between PE routers, making the MPLS path competitive or preferred according to OSPF cost. A virtual link connects disconnected OSPF area 0 sections and is not the right MPLS VPN tool. Stub and NSSA area types control external LSA behavior, not MPLS-backdoor path preference. The sham link preserves the desired routing hierarchy while keeping the direct dark fiber as backup. Reference topics: OSPF sham link, MPLS L3VPN, PE-CE routing, backdoor links, route preference.

NEW QUESTION # 23

Refer to the exhibit. An engineer must design an automatic failover solution. The solution should allow HSRP to detect a WAN 1 failure and initiate an automatic failover, making router R2 the active HSRP router. Which two solutions should the engineer choose? (Choose two.)

A. Implement IP SLA on router R1
B. use a floating static route
C. use IP source routing
D. Implement PBR on router R1
E. Implement Enhanced Object Tracking on router R1

Answer: A,E

NEW QUESTION # 24
Refer to the exhibit. An architect is designing a Layer 3 campus network. The design must hide network instability, reduce network overhead, and conserve critical device memory. Which route summarization solution must the architect select?

A. - The aggregation layer must advertise a default route toward the access layer.
- The VLAN subnets must be summarized into 10.0.0.0/16 at the aggregation layer and advertised to the core layer.
B. - The aggregation layer must advertise a default route toward the core layer.
- The VLAN subnets must be summarized into 10.0.0.0/16 at the aggregation layer and advertised to the access layer.
C. - The core layer must advertise a default route toward the aggregation layer.
- The VLAN subnets must be summarized into 10.0.0.0/16 at the access layer and advertised to the aggregation layer.
D. - The core layer must advertise a default route toward the aggregation layer.
- The VLAN subnets must be summarized into 10.0.0.0/16 at the aggregation layer and advertised to the core layer.

Answer: D

NEW QUESTION # 25
Refer to the exhibit. All routers currently reside in OSPF area 0. The network manager recently used R1 and R2 as aggregation routers for remote branch locations and R3 and R4 for aggregation routers for remote office locations. The network has since been suffering from outages, which are causing frequent SPF runs. To enhance stability and introduce areas to the OSPF network with the minimal number of ABRs possible, which two solutions should the network manager recommend? (Choose two.)

A. a new OSPF area for R1 and R2 connections, with R5 and R6 as ABRs
B. a new OSPF area for R1, R2, R3, and R4 connections, with R1, R2, R3, and R4 as ABRs
C. a new OSPF area for R1 and R2 connections, with R1 and R2 as ABRs
D. a new OSPF area for R3 and R4 connections, with R3 and R4 as ABRs
E. a new OSPF area for R3 and R4 connections, with R5 and R6 as ABRs

Answer: A,E

NEW QUESTION # 26
Refer to the exhibit. Which Cisco Catalyst SD-WAN security feature uses global threat intelligence and advanced sandboxing, and continuously analyzes file activity across an extended network?

A. Cisco Advanced Malware Protection
B. Intrusion prevention system
C. Enterprise Firewall with Application Awareness
D. DNS-layer security

Answer: A

Explanation:
Cisco Advanced Malware Protection uses global threat intelligence, file reputation, sandboxing, and continuous file analysis to detect and block malware across the extended network.

NEW QUESTION # 27
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