[Jul-2022] 300-420 Exam Dumps - Free Demo & 365 Day Updates [Q10-Q31]

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[Jul-2022] 300-420 Exam Dumps - Free Demo & 365 Day Updates

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NEW QUESTION 10
Which two routing protocols allow for unequal cost load balancing? (Choose two.)

  • A. OSPF
  • B. RIPng
  • C. BGP
  • D. EIGRP
  • E. IS-IS

Answer: C,D

 

NEW QUESTION 11
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.)

  • A. conforming
  • B. bursting
  • C. shaping
  • D. marking
  • E. violating

Answer: C,D

 

NEW QUESTION 12
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. NTP
  • B. VLAN ACL / Port ACL
  • C. Switch Virtual Interface
  • D. Port Security
  • E. Access Vlans
  • F. Switch-to-Switch Connectivity
  • G. Loop Prevention

Answer: F

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 13
An engineer is creating a design to enable IPv6 to run on an existing IPv4 IS-IS network. The IPv4 and IPv6 topologies will match exactly, and the engineer plans to use the same router levels for each protocol per interface. Which IS-IS design is required?

  • A. single topology without enabling transition feature
  • B. single topology with transition feature enabled
  • C. multi topology without enabling transition feature
  • D. multi topology with transition feature enabled

Answer: D

Explanation:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_isis/configuration/15-mt/irs-15-mt-book/ip6-route-multi-isis.html

 

NEW QUESTION 14
Refer to the exhibit.

When troubleshooting a network problem, a network analyzer is connected to Port f0/1 of a LAN switch. Which command can prevent BPDU transmission on this port?

  • A. spanning-tree bpduguard default
  • B. spanning-tree portfast bpduguard enable
  • C. spanning-tree portfast bpdufilter default
  • D. no spanning-tree link-type shared

Answer: C

Explanation:
Explanation/Reference:

 

NEW QUESTION 15
Drag and drop the properties from the left onto the Cisco SD-WAN components that perform them on the right.

Answer:

Explanation:

Explanation
Graphical user interface, application Description automatically generated

 

NEW QUESTION 16
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?

  • A. R1 forwards the traffic to R3, but R3 drops the traffic
  • B. R1 load-balances across the paths through R3 and R4 to reach R2
  • C. R1 forwards the traffic to R3 in order to reach R2
  • D. R1 has no route to R2 and drops the traffic

Answer: C

 

NEW QUESTION 17
Refer to the exhibit. Where must an architect plan for route summarization for the topology?

  • A. from the core toward the aggregation and the aggregation toward the core
  • B. from the aggregation toward the access and the access toward the aggregation
  • C. from the aggregation toward the core and the aggregation toward the access

Answer: C

 

NEW QUESTION 18
Drag and drop the descriptions from the left onto the corresponding VPN types on the rights.

Answer:

Explanation:

 

NEW QUESTION 19
Drag and drop the characteristics from the left onto the telemetry mode they apply to on the right.

Answer:

Explanation:

 

NEW QUESTION 20
Which consideration must be taken into account when using the DHCP relay feature in a Cisco SD-Access Architecture?

  • A. A DHCP server must be enabled on the border nodes to allow subnets to span multiple fabric edges.
  • B. DHCP servers must support Cisco SD-Access extensions to correctly assign IPs to endpoints in an SD-Access fabric with anycast gateway.
  • C. DHCP-relay must be enabled on fabric edge nodes to provide the correct mapping of DHCP scope to the local anycast gateway.
  • D. DHCP Option-82 must be enabled to map the circuit IP option to the access fabric node where the DHCP discover originated.

Answer: D

Explanation:
https://www.cisco.com/c/en/us/td/docs/cloud-systems-management/network-automation-and-management/dna-center/tech_notes/sda_dhcp/b_cisco_sda_dhcp.html

 

NEW QUESTION 21
A customer with an IPv4 only network topology wants to enable IPv6 connectivity while preserving the IPv4 topology services. The customer plans to migrate IPv4 services to the IPv6 topology, then decommission the IPv4 topology. Which topology supports these requirements?

  • A. dual stack
  • B. 6to4
  • C. 6VPE
  • D. NAT64

Answer: A

 

NEW QUESTION 22
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?

  • A. multihop IPsec tunneling
  • B. multihop MPLS core
  • C. hop-by-hop EVN
  • D. hop-by-hop VRF-Lite

Answer: C

 

NEW QUESTION 23
A network engineer must segregate three interconnected campus networks using IS-IS routing. A two-layer hierarchy must be used to support large routing domains and to avoid more specific routes from each campus network being advertised to other campus network routers automatically. Which two actions does the engineer take to accomplish this segregation? (Choose two.)

  • A. Assign a unique IS-IS NET value for each campus, and configure internal campus routers with Level 1 routing.
  • B. Designate two IS-IS routers as BDR routers at the edge of each campus, and configure one BDR for all Level 1 routers and one BDR for all Level 2 routers.
  • C. Assign the same IS-IS NET value for each campus, and configure internal campus routers with Level 1/ Level 2 routing.
  • D. Designate two IS-IS routers from each campus to act as Level 1/Level 2 backbone routers at the edge of each campus network.
  • E. Utilize different MTU values for each campus network segment. Level 2 backbone routers must utilize a larger MTU size of 9216.

Answer: A,D

 

NEW QUESTION 24
Which two statements describe source trees in a multicast environment? (Choose two.)

  • A. Source trees guarantee the minimum amount of network latency for forwarding multicast traffic
  • B. Source trees create an optimal path between the source and the receivers
  • C. Source trees can create suboptimal paths between the source and the receivers
  • D. Source trees use a single common root placed at some chosen point in the network
  • E. Source trees can introduce latency in packet delivery

Answer: A,B

 

NEW QUESTION 25
How is internet access provided to a WAN edge router that is connected to a MPLS transport link?

  • A. Internet access must be provided at the WAN Edge router through either a 4G/5G link or local Internet circuit
  • B. TLOC extensions are used to route traffic to a WAN Edge router that is connected to the Internet transport network
  • C. OMP advertises a default route from a WAN Edge router that is connected to the MPLS and internet transport networks
  • D. An extranet must be provided in the MPLS transport network to allow private traffic to reach the public internet

Answer: B

 

NEW QUESTION 26
An engineer must design a VPN solution for a company that has multiple branches connecting to a main office.
What are two advantages of using DMVPN instead of IPsec tunnels to accomplish this task? (Choose two.)

  • A. support for anycast gateway
  • B. lower traffic overhead
  • C. support for AES 256-bit encryption
  • D. dynamic spoke-to-spoke tunnels
  • E. greater scalability

Answer: D,E

Explanation:
Section: WAN for Enterprise Networks

 

NEW QUESTION 27
Refer to the exhibit. Where must an architect plan for route summarization for the topology?

  • A. from the core toward the aggregation and the aggregation toward the core
  • B. from the core toward the aggregation and the access toward the aggregation
  • C. from the aggregation toward the access and the access toward the aggregation
  • D. from the aggregation toward the core and the aggregation toward the access

Answer: D

 

NEW QUESTION 28
Which control-plane technology allows the same subnet to exist across multiple network locations?

  • A. ISE mobility services
  • B. LISP
  • C. VXLAN
  • D. FabricPath

Answer: C

 

NEW QUESTION 29
Refer to the exhibit.

An engineer is designing an OSPF network for a client. Requirements dictate that the routers in Area 1 should receive all routes belonging to the network, including EIGRP, except the ones originated in the RIP domain. Which action should the engineer take?

  • A. Make area 1 a NSSA.
  • B. Make area 1 a stub.
  • C. Make the area 1 routers part of area 0.
  • D. Make area 1 a standard OSPF area.

Answer: B

 

NEW QUESTION 30
When vEdge router redundancy is designed, which FHRP is supported?

  • A. OMP
  • B. GLBP
  • C. HSRP
  • D. VRRP

Answer: D

 

NEW QUESTION 31
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