Course 2023 300-420 Test Prep Training Practice Exam Download
300-420 Exam Info and Free Practice Test Professional Quiz Study Materials
The Cisco 300-420 exam evaluates the skills and knowledge of the candidates of enterprise design, including advanced addressing & routing solutions, WAN, advanced enterprise campus networks, SDA, as well as network & security services. This is a concentration test required for obtaining two certificates, and namely CCNP Enterprise and Cisco Certified Specialist – Enterprise Design. Please note that you also have to pass the core exam, which is Cisco 350-401. After that, you can add these certifications to your CV and demonstrate your expertise in the field of enterprise networking solutions.
NEW QUESTION 10
An engineer must propose a QoS architecture model that allows an application to inform the network of its traffic profile and to request a particular type of service to support its bandwidth and delay requirements. The application requires consistent and dedicated bandwidth end to end. Which QoS architecture model meets these requirements?
- A. WRED
- B. IntServ
- C. DiffServ
- D. LLQ
Answer: B
NEW QUESTION 11
Which design element should an engineer consider when multicast is included in a Cisco SD-Access architecture?
- A. PIM SSM must run in the underlay.
- B. Multicast traffic is transported in the overlay and the EID space for wired and wireless clients.
- C. Multicast clients reside in the underlay, and the multicast source is outside the fabric or in the overlay.
- D. Rendezvous points must be used in a PIM SSM deployment.
Answer: B
Explanation:
Multicast traffic is transported in the overlay, in the EID space, for both wired and wireless clients https://www.ciscolive.com/c/dam/r/ciscolive/us/docs/2018/pdf/BRKEWN-2020.pdf
https://www.cisco.com/c/dam/en/us/td/docs/cloud-systems-management/network-automation-and-management/dna-center/deploy-guide/cisco-dna-center-sd-access-wl-dg.pdf
NEW QUESTION 12
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/
NEW QUESTION 13 
Refer to the exhibit. A customer needs to apply QoS to the network management traffic passing through the GigabitEthernet0/2 interface. All eight queuing classes are in use, so the new requirement must be integrated into the existing policy. Which solution must the customer choose?
- A. Mark traffic to DSCP CS5 and assign it to the SIGNALLING class. Then, baseline existing queue sizes to determine if additional bandwidth can be provisioned to the SIGNALLING class.
- B. Mark the traffic to DSCP CS2 and assign it to the ROUTING class Then, baseline existing queue sizes to determine if additional bandwidth can be provisioned to the ROUTING class
- C. Mark the traffic to DSCP CS4 and assign it to the SIGNALLING class. Then, prioritize traffic within the class.
- D. Mark the traffic to DSCP CS6 and assign it to the ROUTING class Then, prioritize traffic within the class.
Answer: B
NEW QUESTION 14
Drag and drop the properties from the left onto the protocols they describe on the right.
Answer:
Explanation:
NEW QUESTION 15
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. IPFIX
- B. periodic subscription
- C. on-change subscription
- D. static telemetry
Answer: C
NEW QUESTION 16
Which two BGP features will result in successful route exchanges between eBGP neighbors sharing the same AS number? (Choose two.)
- A. allow-as-in
- B. as-override
- C. client-to-client reflection
- D. advertise-best-external
- E. bestpath as-path ignore
Answer: A,B
Explanation:
Section: Advanced Addressing and Routing Solutions
NEW QUESTION 17
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. PIM-SSM
- B. any-source multicast
- C. BIDIR-PIM
- D. PIM-SM
Answer: A
Explanation:
PIM-SSM is suitable for when well-known sources exist within the local PIM domain and for broadcast applications. Also, PIM-SSM eliminates the RPs and shared trees
NEW QUESTION 18
Which two statements about VRRP advertisements are true? (Choose two.)
- A. They include VRRP timer information.
- B. They include priority information.
- C. They are sent only from the master router.
- D. They are sent from the master router and standby routers.
- E. They are sent every three seconds by default.
Answer: B,D
NEW QUESTION 19
Which feature is required for graceful restart to recover from a processor failure?
- A. Bidirectional Forwarding Detection
- B. Cisco Express Forwarding
- C. Virtual Switch System
- D. Stateful Switchover
Answer: B
Explanation:
Section: Advanced Enterprise Campus Networks
NEW QUESTION 20
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. MSDP
- C. PIM-SSM
- D. PIM-SM
Answer: A
Explanation:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipmulti_pim/configuration/xe-16/imc-pim-xe-16-book/imc-tech-oview.html Bidir-PIM is designed to be used for many-to-many applications within individual PIM domains. Multicast groups in bidirectional PIM mode can scale to an arbitrary number of sources without incurring overhead due to the number of sources.
NEW QUESTION 21
Instructions
The main screen consists of two parts; the Main scenario and the Topology tabs. The main scenario describes TSHOOT.com test bed. The Topology tabs allow you to display the appropriate and select the trouble ticket.
To complete the item, you will first need to familiarize yourself with the TSHOOT.com test bed by clicking on the master scenario first and then the topologies tabs. Once you are familiar with the test bed and the topologies, you should start evaluating the trouble ticket. You will be presented with a Trouble Ticket scenario that will describe the fault condition. You will need to determine on which device the fault condition is located, to which technology the fault condition is related, and the solution to each trouble ticket. This will be done by answering three questions.
Ticket Selection
To begin, click on the Ticket on the Topology tabs.
Please note. Some of the questions will require you to use the scroll bar to see all options.
Fault Isolation
Read the ticket scenario to understand the fault condition.
Open the appropriate topology, based upon the ticket scenario.
Open the console of the desired device by clicking on that device in the topology, based upon your troubleshooting methodology.
Use the supported show, ping and trace commands to begin your fault isolation process.
Move to other devices as need by clicking on those devices within the topology.
Fault Identification
The trouble ticket will include three questions that you will need to answer:
1. Which device contains the fault
2. Which technology the fault condition is related to
3. What is the solution to the issue
To advance to the next question within the ticket click on "Next Question".
When you click "DONE", the trouble ticket will turn RED and will no longer be accessible.
You may also use the "Previous Question" button to review questions within that specific ticket.
To complete a trouble ticket, answer all three questions and click "DONE". This will store your response to the questions. Do not click on "DONE" unless you have answered all questions within the ticket.
Item Completion
Click the NEXT button on the bottom of the screen once a ticket is RED. This action moves you to the next item.
Scenario
The company has created the test bed network shown in the layer 2 and layer 3 topology exhibits.
This network consists of four routers, two layer 3 switches and two layer 2 switches.
In the IPv4 layer 3 topology, R1, R2, R3, and R4 are running OSPF with an OSPF process number 1.
DSW1, DSW2 and R4 are running EIGRP with an AS of 10. Redistribution is enabled where necessary.
R1 is running a BGP AS with a number of 65001. This AS has an eBGP connection to AS 65002 in the ISP's network. Because the company's address space is in the private range, R1 is also providing NAT translations between the inside (10.1.0.0/16 & 10.2.0.0/16) networks and the outside (209.65.200.0/24) network.
ASW1 and ASW2 are layer 2 switches.
NTP is enabled on all devices with 209.65.200.226 serving as the master clock source.
The client workstations receive their IP address and default gateway via R4's DHCP server. The default gateway address of 10.2.1.254 is the IP address of HSRP group 10 which is running on DSW1 and DSW2.
In the IPv6 layer 3 topology R1, R2, and R3 are running OSPFv3 with an OSPF process number 6. DSW1, DSW2 and R4 are running RIPng process name RIP_ZONE. The two IPv6 routing domains, OSPF 6 and RIPng are connected via GRE tunnel running over the underlying IPv4 OSPF domain. Redistribution is enabled where necessary.
Recently the implementation group has been using the test bed to do a 'proof-of-concept' on several implementations. This involved changing the configuration on one or more of the devices. You will be presented with a series of trouble tickets related to issues introduced during these configurations.
The implementation group has been using the test bed to do a 'proof-of-concept' that requires both Client 1 and Client 2 to access the WEB Server at 209.65.200.241. After several changes to the network addressing, routing schemes, DHCP services, NTP services, and FHRP services, a trouble ticket has been opened indicating that Client 1 cannot ping the 209.65.200.241 address.
Use the supported commands to isolate the cause of this fault and answer the following questions.
The fault condition is related to which technology?
- A. Switch-to-Switch Connectivity
- B. Switch Virtual Interface
- C. NTP
- D. Access Vlans
- E. Loop Prevention
- F. VLAN ACL / Port ACL
- G. Port Security
Answer: A
Explanation:
Steps need to follow as below:-1.When we check on client 1 & Client 2 desktop we are not receiving DHCP address from R4Ipconfig ----- Client will be getting 169.X.X.X2.On ASW1 port Fa1/0/ 1 & Fa1/0/2 access port VLAN 10 was assigned which is using IPaddress 10.2.1.0/24Sh run ------- & check for running config of int fa1/0/1 & fa1/0/2====================================================interface FastEthernet1/0/1switchport mode accessswitchport access vlan 10interface FastEthernet1/0/2switchport mode accessswitchport access vlan 10
3.We need to check on ASW 1 trunk port the trunk Po13 & Po23 were receiving VLAN 20 &200 but not VLAN
10 so that switch could not get DHCP IP address and was failing to reach IPaddress of Internet4.
Change required:
On ASW1 below change is required for switch-to-switch connectivity..int range portchannel13,portchannel23switchport trunk allowed vlan noneswitchport trunk allowed vlan 10,200
NEW QUESTION 22
Which control-plane technology allows the same subnet to exist across multiple network locations?
- A. ISE mobility services
- B. FabricPath
- C. VXLAN
- D. LISP
Answer: D
NEW QUESTION 23
What is an advantage of designing an out-of-band network management solution?
- A. In the event of a production network outage, network devices can still be managed.
- B. In the event of a production network outage, it can be used as a backup network path.
- C. There is no separation between the production network and the management network.
- D. It is less expensive than an in-band management solution.
Answer: A
Explanation:
Section: Network Services
Explanation/Reference:
NEW QUESTION 24
Drag and drop the characteristics from the left onto the YANG models they describe on the right. Not all options are used.
Answer:
Explanation:
NEW QUESTION 25
Refer to the exhibit.
An architect must design an IPv6 migration solution for an enterprise customer to support these requirements:
* Clients will transition to the new IPv6 network, which provides NAT64 and IPv6 DNS resolution services, using the same DNS name that points to the IPv4 address.
* The service provider will create a client-facing IPv6 interface with a new IPv6 virtual address that points to the same IPv4 DNS server.
* The service provider will support clients that use global IPv6 addresses and encapsulate IPv4 packets into IPv6 tunnels.
Which two migration solutions must the architect choose? (Choose two.)
- A. Use NAT44/64 from the devices to the core MPLS network.
- B. Use dual-stack lite from the devices to the core MPLS network.
- C. Use IPv6 tunneling from the devices to the core MPLS network.
- D. Use NAT44/64 from the MPLS network to the IGR.
- E. Use dual-stack lite from the MPLS network to the IGR.
Answer: B,D
NEW QUESTION 26
When a network is designed using IS-IS protocol, which two circuit types are supported? (Choose two.)
- A. point-to-multipoint
- B. nonbroadcast
- C. nonbroadcast multiaccess
- D. multiaccess
- E. point-to-point
Answer: D,E
NEW QUESTION 27
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Further CCIE Certification Path
Acquiring the CCNP Enterprise certificate makes one eligible for the expert-level ones such as CCIE Enterprise Wireless and the CCIE Enterprise Infrastructure. The core test 350-401 is also one of the two requirements for these certifications, so the only step remaining is to pass one lab exam for any of the mentioned options. Both of those tests are 8 hours long and mostly assess one's practical competence.
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