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CCNP Enterprise Dumps 300-420 Exam for Full Questions - Exam Study Guide
Cisco 300-420: What? And How?
Exam 300-420 is suitable for system administrators, network engineers, and networking design engineers. All in all, there are several knowledge areas that you need to have a deep understanding of in order to pass such a test successfully. Thus, you should be familiar with the following:
- Building simple LANs and basic network fundamentals.
- Fundamental wireless networking notions as well as terms;
- Routing & switching basics;
- Basic IP addressing and subnets;
The most important information to look for after knowing that you qualify for such an exam is the skills measured. Generally, it is usually stated clearly through the topics covered. For this test, the main objectives are network services, advanced enterprise networks, automation, advanced addressing and routing solutions, network services, as well as WAN for enterprise networks. The exam format is another detail that you need to know about. Overall, there will be 60 multiple-choice questions, which you should complete within 90 minutes. You will certainly be able to answer all of them and get more than 825 points if you prepare wisely. Therefore, consider going for the official training and other prep resources, such as study guides, videos, and sample questions. To sit for this test, you need to pay $300 for the voucher. Also, please note that you can take it in English or Japanese. After you pass 300-420, you will get one of the Specialist certificates and the CCNP Enterprise if you take the Cisco 350-401 as well. However, you should understand that these are not lifetime certificates. They will be valid for only 3 years. After this period, you will be required to recertify to gain the desired benefits. There are a number of ways to follow this process. You can do so by taking the necessary exams or completing education activities. What is more, you can also do a combination of both.
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NEW QUESTION 51
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?
- A. * Campus: 10.0.0.0/16
Branchi: 10.255.0.0/20
Branch2: 10.255.16.0/20 - B. * Campus: 10.0.0.0/20
Branch1: 10.0.64.0/21
Branch2: 10.0.128.0/21 - C. * Campus: 10.0.0.0/18
Branch1: 10.0.192.0/21
Branch2: 10.0.200.0/21 - D. * Campus: 10.0.0.0/10
Branch1: 10.64.0.0/10
Branch2: 10.128.0.0/10
Answer: C
NEW QUESTION 52
In what mode does an LWAPP-enabled access point operate?
- A. ad hoc mode
- B. autonomous mode
- C. lightweight mode
- D. WGB
Answer: C
Explanation:
Lightweight access point protocol (LWAPP)-enabled access points operate in lightweight mode. LWAPP is a protocol used to allow centralized management of APs. The management components are removed from the APs, and a WLAN controller provides a single point of management. This controller coordinates WLAN access, managing the load on the APs and user movement between APs. Upon starting, an LWAPP-enabled access point must obtain an IP address. It can then discover the controller using DHCP, DNS, or a subnet broadcast. When multiple wireless controllers are detected by an AP, it chooses to associate with the controller that has the fewest existing associated APs.
Individually configured APs that operate without central management are operating in autonomous mode. This would be the opposite of lightweight mode, which is made possible by LWAPP. Autonomous access points can be upgraded to lightweight. If they are upgraded, they will only function in conjunction with a WLAN controller.
Moreover, when an autonomous access point is upgraded to lightweight, the console port only provides read access to the unit.
Characteristics that autonomous and lightweight access points have in common:
Both support Power over Ethernet (PoE)
Both can use a Cisco Secure Access Control server (ACS) for security
A wireless gateway bridge (WGB) is used to connect a computer without a wireless network card to a wireless network, but not separate WLANs. The WGB can connect up to eight computers to a WLAN. The WGB connects to the root AP through a wireless interface.
Ad hoc is a WLAN mode used for peer-to-peer connectivity. Ad hoc mode allows wireless-enabled computers to communicate with each other without having an AP involved.
Objective:
Layer 2 Technologies
Sub-Objective:
Configure and verify other LAN switching technologies
References:
Cisco > Support > Product Support > Wireless > Cisco Aironet 1200 Series > Reference Guides > Technical References > Upgrading Autonomous Cisco Aironet Access Points to Lightweight Mode Cisco > Support > Technology Support > Wireless/Mobility > Wireless, LAN (WLAN) > Design > Design Technotes > Cisco Wireless Devices Association Matrix
NEW QUESTION 53
An engineer must design a scalable QoS architecture that allows the separation of the traffic into classes on predefined business requirements. The design must also utilize the differentiated services code points as the QoS priority descriptor value and support at least 10 levels of classification. Which QoS technology should the engineer include in the design?
- A. Interserv
- B. RSVP
- C. Best effort
- D. Diffserv
Answer: D
NEW QUESTION 54
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 can be configured only between border devices and require only the IPv6 protocol stack.
- C. Overlay tunnels should only be considered as a transition technique toward a permanent solution.
- D. Overlay tunneling encapsulates IPv4 packets in IPv6 packets for delivery across an IPv6 infrastructure.
Answer: C
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-xe.pdf
NEW QUESTION 55
Drag and drop the characteristics from the left onto the YANG modules they describe on the right. Not all options are used.
Answer:
Explanation:
NEW QUESTION 56
How is redundancy achieved among Cisco vBond Orchestrators in a Cisco SD-WAN deployment?
- A. The IP addresses of all Orchestrators are mapped to a single DNS name.
- B. A single Cisco Orchestrator is deployed in each network.
- C. The closest Orchestrator to each Cisco WAN Edge router is selected.
- D. Cisco WAN Edge routers are configured with all Orchestrators using their IP addresses and priority.
Answer: A
NEW QUESTION 57
Which QoS feature responds to network congestion by dropping lower priority packets?
- A. CBWFQ
- B. WRED
- C. tail drop
- D. strict priority
Answer: B
NEW QUESTION 58
An engineer is designing an EIGRP network for a small branch site where there is only one Layer 3 router. The engineer wants the router to advertise the local LAN network to remote EIGRP neighbors without sending any unnecessary multicast messages on the local LAN. Which action should the engineer take?
- A. Redistribute the local LAN network using the redistribute connected command
- B. Advertise the local LAN using the network command and the passive-interface feature
- C. Use a static default route for this site instead of EIGRP
- D. Advertise the local LAN subnet as a stub network
Answer: B
NEW QUESTION 59
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. Weight
- B. Community
- C. AS Path
- D. MED
- E. Local Preference
Answer: A
Explanation:
Section: Advanced Addressing and Routing Solutions
NEW QUESTION 60
Drag and drop the characteristics from the left onto the Yang model they describe on the right.
Answer:
Explanation:
NEW QUESTION 61
An engineer must connect a new remote site to an existing OSPF network. The new site consists of two low-end routers, one for WAN, and one for LAN. There is no demand for traffic to pass through this are a. Which area type does the engineer choose to provide minimal router resources utilization, while still allowing for full connectivity to the rest of the network?
- A. totally not so stubby
- B. stubby area
- C. totally stubby area
- D. not so stubby
Answer: C
NEW QUESTION 62
Drag and drop the properties from the left onto the protocols they describe on the right.
Answer:
Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/166/b_166_programmability_cg/ b_166_programmability_cg_chapter_01011.html
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/169/b_169_programmability_cg/ configuring_yang_datamodel.html
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
Refer to the exhibit. The connection between SW2 and SW3 is fiber and occasionally experiences unidirectional link failure. An architect must optimize the network to reduce the change of layer2 forwarding loops when the link fails. Which solution should the architect include?
- A. Utilize root guard on SW1.
- B. Utilize 8PDU filter on SW3.
- C. Utilize BPDU guard on SW1
- D. Utilize loop guard on SW2
Answer: D
NEW QUESTION 65
An enterprise customer has these requirements:
* end-to-end QoS for the business-critical applications and VoIP services based on CoS marking.
* flexibility to offer services such as IPv6 and multicast without any reliance on the service provider.
* support for full-mesh connectivity at Layer 2.
Which WAN connectivity option meets these requirements?
- A. MPLS VPN
- B. VPLS
- C. VPWS
- D. DMVPN
Answer: B
NEW QUESTION 66
Drag and drop the properties from the left onto the protocols they describe on the right.
Answer:
Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/166/b_166_programmability_cg/ b_166_programmability_cg_chapter_01011.html
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/169/b_169_programmability_cg/ configuring_yang_datamodel.html
NEW QUESTION 67
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. default per hop behavior
- B. expedited forwarding
- C. class selector code points
- D. assured forwarding
Answer: C
NEW QUESTION 68
Which method will filter routes between EIGRP neighbors within the same autonomous system?
- A. policy-based routing
- B. distribute-list
- C. leak-map
- D. route tagging
Answer: B
Explanation:
Section: Advanced Addressing and Routing Solutions
NEW QUESTION 69
What is a benefit of using VRRPv3 as compared to VRRPv2?
- A. VRRPv3 supports preemption
- B. VRRPv3 supports IPv4 and IPv6
- C. VRRPv3 supports authentication
- D. VRRPv3 supports stateful switchover
Answer: B
NEW QUESTION 70
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