Get 100% Authentic Cisco 300-420 Dumps with Correct Answers
New Training Course 300-420 Tutorial Preparation Guide
Cisco 300-420 certification exam is a challenging and advanced-level certification exam that focuses on designing complex enterprise networks. Candidates who pass 300-420 exam will have the skills and knowledge required to plan, design, deploy, and manage complex enterprise network solutions. To prepare for 300-420 exam, candidates should have several years of experience in designing and deploying enterprise networks and should take advantage of various training courses and study materials offered by Cisco.
Intended Audience for Cisco 300-420
There are no formal prerequisites for the Cisco CCNP Enterprise but it is recommended that candidates should have at least 3 to 5 years of networking experience. This is because a lot of practical skills are tested during the exams, including 300-420. So, all you need is some underlying networking knowledge so that you have a basic understanding of everything that is being discussed.
NEW QUESTION # 139
Which two routing protocols allow for unequal cost load balancing? (Choose two.)
- A. RIPng
- B. OSPF
- C. EIGRP
- D. IS-IS
- E. BGP
Answer: C,E
NEW QUESTION # 140
Which nonproprietary mechanism can be used to automate rendezvous point distribution in a large PIM domain?
- A. BSR
- B. Auto-RP
- C. Embedded RP
- D. Static RP
Answer: A
NEW QUESTION # 141
Which design consideration must be made when using IPv6 overlay tunnels?
- A. Overlay tunnels that connect isolated IPv6 networks can be considered a final IPv6 network architecture.
- B. Overlay tunnels should only be considered as a transition technique toward a permanent solution.
- C. Overlay tunneling encapsulates IPv4 packets in IPv6 packets for delivery across an IPv6 infrastructure.
- D. Overlay tunnels can be configured only between border devices and require only the IPv6 protocol stack.
Answer: B
Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/interface/configuration/xe-3s/ir-xe-3s-book/ip6-ip4-gre-tunls-
"The use of overlay tunnels should be considered as a transition technique toward a network that supports both the IPv4 and IPv6 protocol stacks or just the IPv6 protocol stack."
NEW QUESTION # 142
Which three key differentiators that DNA Assurance provides that our competitors are unable to match? (Choose three.)
- A. Network time travel
- B. Proactive approach to guided remediation
- C. Support for Overlay Virtual Transport
- D. On-premise and cloud-base analytics
- E. Apple Insights
- F. VXLAN support
Answer: A,B,E
NEW QUESTION # 143
An engineer is designing an IPv4 addressing plan for an enterprise with 1000 branches. Each branch requires a prefix for data and a prefix for voice. Each prefix must accommodate up to 128 hosts, and prefixes must facilitate summarization at aggregation points in the network. The security team requires a simple method for identifying voce prefixes. Which allocation does the engineer recommend from the RFC1918 address space?
- A. /24 prefixes for data from 10.0.0.0/8 and /24 prefixes for voice from 172.16.0.0/12
- B. /24 prefixes for data from 10.0.0.0/15 and /24 prefixes for voice from 172.16.0.0/15
- C. /24 prefixes for data from 10.0.0.0/8 and /24 prefixes for voice from the next contiguous /24 prefix per site
- D. /25 prefixes for data from 10.0.0.0/8 end /25 prefixes for voice from the next contiguous /25 prefix per branch
Answer: C
NEW QUESTION # 144
Drag and drop the properties from the left onto the Cisco SD-WAN components that perform them on the right.
Answer:
Explanation:
NEW QUESTION # 145
Drag and drop the characteristics from the left onto the Yang model they describe on the right.
Select and Place:
Answer:
Explanation:
NEW QUESTION # 146
An engineer uses Postman and YANG to configure a router with:
OSPF process ID 400
network 192.168.128.128/25 enabled for Area 0
Which get-config reply verifies that the model set was designed correctly?
- A.
- B.
- C.
- D.
Answer: C
NEW QUESTION # 147
How would Cisco ISE handle authentication for your printer that does not have a supplicant?
- A. ISE would authenticate the printer using MAB
- B. ISE would not authenticate the printer as printers are not subject to ISE authentication
- C. ISE would authenticate the printer using web authentication
- D. ISE would authenticate the printer using MAC RADIUS authentication
- E. ISE would authenticate the printer using 802.1X authentication
Answer: A
NEW QUESTION # 148
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?
- A. BIDIR-PIM
- B. PIM-SSM
- C. MSDP
- D. PIM-SM
Answer: A
NEW QUESTION # 149
An engineer is designing a network for a customer running a wireless network with a common VLAN for all APs. The customer is experiencing unicast flooding in the Layer 2 network between the aggregation and access layers. The customer wants to reduce the flooding and improve convergence time. Which solution meets these requirements?
- A. Align HSRP primary and STP root bridges if the APs cannot run on separate VLANs.
- B. Migrate all APs to a common Layer 2 access layer switch and run Layer 3 from the aggregation layer to all remaining access layer switches.
- C. Align HSRP primary and STP root bridges and reduce ARP timers to match CAM timers on the aggregation layer switches.
- D. Migrate to a Layer 3 access campus design if the APs can run on separate VLANs.
Answer: C
Explanation:
The default ARP table aging time is 4 hours while the CAM holds the entries for only 5 minutes.
The switch sends out a frame to all forwarding ports within the respective VLAN when the destination MAC address is aged out from the CAM table. You need a CAM aging timer greater or equal to the ARP timeout in order to prevent unicast flooding.
https://www.cisco.com/c/en/us/support/docs/switches/catalyst-6500-series-switches/71079-arp- cam- tableissues.html#:~:text=The%20default%20ARP%20table%20aging%20time%20is%204,ARP%
20timeout%20in%20order%20to%20prevent%20unicast%20flooding.
NEW QUESTION # 150
Refer to the exhibit. An architect must design a solution that uses the direct link between R1 and R2 for traffic from 10.10.10.0/24 toward network 10.10.20.0/24. Which solution should the architect include in the design?
- A. Configure the OSPF cost of the link to a value lower than 30.
- B. Place the link into area 2 and install a new link between R1 and R2 in area 0.
- C. Lower the Administrative Distance for OSPF area 0.
- D. Configure the link to provide multiarea adjacency.
Answer: D
Explanation:
OSPF first look at the prefered path list as below and secondly compare path metric:
Intra-Area (O)
Inter-Area (O IA)
External Type 1 (E1)
NSSA Type 1 (N1)
External Type 2 (E2)
NSSA Type 2 (N2)
So most appropriate answer is to configure R1-R2 link as multiarea adjacency.
under the interface configuration mode:
ip ospf network point-to-point
ip ospf multi-area 1
https://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/118879-configure- ospf-00.html
NEW QUESTION # 151
A company needs to increase access port capacity on one floor of a building. They want to leverage the existing catalyst access switch. There is no problem with uplink bandwidth capacity. However, no additional uplinks can be added because no ports are available on the distribution switches. Which solution must the company choose to provide additional access ports?
- A. VSS
- B. Etherchannel
- C. VDC
- D. Stackwise
Answer: D
NEW QUESTION # 152
What does the fabric data plane leverage in SD-Access Architecture?
- A. BGP protocol to advertise endpoint prefixes outside of the fabric
- B. MAC-in-IP encapsulation method to transport of the Layer 2 frame
- C. IS-IS protocol to exchange link-state routing information
- D. LISP protocol to resolve endpoint-to-location mapping
Answer: B
NEW QUESTION # 153
What is the purpose of a control plane node in a Cisco SD-Access network fabric?
- A. to detect endpoints in the fabric and inform the host tracking database of EID-to-fabric-edge node bindings
- B. to act as the network gateway between the network fabric and outside networks
- C. to identify and authenticate endpoints within the network fabric
- D. to maintain the endpoint database and mapping between endpoints and edge nodes
Answer: A
Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Campus/cisco-sda-design-guide.html
NEW QUESTION # 154
Refer to the exhibit. A customer has two eBGP peerings from a single CE router toward two service providers. The customer has hired an architect to design a solution to ensure certain traffic enters the customer's network through interface gig0/0. Which solution must the architect include in the design?
- A. Break aggregated routes into longer prefixes and advertise to the preferred service provider.
- B. Prepend additional AS on the AS path toward the preferred service provider.
- C. Advertise a lower MED value toward the less preferred service provider.
- D. Set a higher local preference to the preferred service provider path.
Answer: A
NEW QUESTION # 155
An architect must address sustained congestion on the access and distribution uplink of network. QoS has already been implemented and optimized, but it is no longer effective in ensuring optimal network performance. Which two solutions should the architect use to improver network performance. (Choose two)
- A. Implement higher-speed uplink interfaces
- B. Reconfigure QoS based on the IntServ model
- C. Configure selective packet discard to drop noncritical network traffic.
- D. Utilize random early detection to manage queues
- E. Bundle additional uplinks into logical EtherChannels
Answer: C,D
NEW QUESTION # 156
Refer to the exhibit. An architect is designing a network for a customer supporting a Wake-on- LAN application. Which solution must the architect choose?
- A. spanning-tree uplinkfast on SW2
- B. IP directed-broadcasts on R1
- C. spanning-tree uplinkfast on SW1
- D. IP directed-broadcasts on R2
Answer: B
Explanation:
In a scenario where the Wake-on-LAN (WOL) server is connected to R1 and the PCs to be powered on are connected to R2, you would still need to enable the "ip directed-broadcast" command on R1. This command is necessary to allow broadcast packets directed to the WOL server to traverse R1 and reach their destination on the R2 network.
NEW QUESTION # 157
How is internet access provided to a WAN edge router that is connected to a MPLS transport link?
- A. OMP advertises a default route from a WAN Edge router that is connected to the MPLS and internet transport networks
- B. Internet access must be provided at the WAN Edge router through either a 4G/5G link or local Internet circuit
- C. TLOC extensions are used to route traffic to a WAN Edge router that is connected to the Internet transport network
- D. An extranet must be provided in the MPLS transport network to allow private traffic to reach the public internet
Answer: C
Explanation:
https://www.ciscolive.com/c/dam/r/ciscolive/us/docs/2018/pdf/BRKRST-2091.pdf
NEW QUESTION # 158
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The CCNP Enterprise certification is designed to test the ability of a network expert to implement and maintain modern core business network technologies. The CCNP Enterprise core exam validates a prospect's understanding of infrastructure, virtualization, security, and automation; Creation of wired and wireless corporate networks VM, Virtual Switch, and Hypervisor Configuration, Chassis L2, L3, and Wireless Component Installation and Repair, Configure and confirm security attributes for wired and wireless infrastructures, Automate tasks with Python, REMAINDER API, and orchestration tools.
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