Cisco 300-420 Online Practice Questions and Exam Preparation

Cisco 300-420 Online Questions & Answers

• Question 211:

  Refer to the exhibit. An architect must design a solution to connect the two ASs. To optimize bandwidth, the design will implement load sharing between router R6 and router R1. Which solution should the design include?

  

  A. Use update-source to specify the Loopback interface.
  B. Use next-hop-self attributes only for routes that are learned from eBGP peers.
  C. Configure the eBGP TTL to support eBGP multihop.
  D. Use maximum-paths to install multiple paths in the routing table.
  D. Use maximum-paths to install multiple paths in the routing table.

• Question 212:

  Refer to the exhibit.

  

  A network engineer must design a multicast solution based on:

  1.Many-to-many communications between the users and sources

  2.Support of up to 50 multicast sources

  3.Users that must register for steams Which multicast solution must the engineer select?

  A. Any Source Multicast
  B. Bidirectional PIM
  C. Source-Specific Multicast
  D. Multicast VPN
  B. Bidirectional PIM

• Question 213:

  In a cisco SD-Access brownfield deployment scenario, which configuration deployment must be taken with Cisco DNA center?

  A. Subnet stretching
  B. LAN automation
  C. Automated UNDERLAY
  D. Manual underlay
  D. Manual underlay

• Question 214:

  Refer to the exhibit.

  

  An engineer must connect the IPv6 island to the IPv4-only network to provide IPv6 hosts access to file servers and DNS services in the IPv4 network. Which NAT should the engineer choose?

  A. stateless NAT66
  B. stateful NAT66
  C. dynamic NAT-PT
  D. static NAT-PT
  C. dynamic NAT-PT

• Question 215:

  Refer to the exhibit.

  

  An architect is designing a hierarchical ISIS solution for a customer with these requirements:

  1.Routers will double In all areas within the next 24 months.

  2.Link flaps within areas 20 and 30 must not impact the backbone area.

  3.Traffic originating from A201 and A302 routers must connect to application servers in the backbone. Which design must the architect select?

  A. C201 Level 1/2, A301 Level 1/2 and A102 Level 1/2
  B. C101 Level 1/2. A201 Level 1, and A101 Level 2
  C. C102 Level 2. A202 Level 2, and A102 Level 1
  D. C302 Level 2. A302 Level 1/2. and A101 Level 2
  A. C201 Level 1/2, A301 Level 1/2 and A102 Level 1/2

• Question 216:

  An engineer uses Postman and YANG to configure a router with:

  1.OSPF process ID 400

  2.network 192.168.128.128/25 enabled for Area 0

  Which get-config reply verifies that the model set was designed correctly?

  

  

  A. Option A
  B. Option B
  C. Option C
  D. Option D
  B. Option B

• Question 217:

  A company with multiple service providers wants to speed up BGP convergence time in the event a failure occurs with their primary link. Which approach achieves this goal and does not impact router CPU utilization?

  A. Utilize BFD and tune the multiplier to 50
  B. Lower the BGP hello interval
  C. Decrease the BGP keepalive timer
  D. Utilize BFD and keep the default BGP timers
  D. Utilize BFD and keep the default BGP timers

• Question 218:

  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 IS-IS router levels for each protocol per interface. Which IS-IS design is required?

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

• Question 219:

  An engineer is designing a campus network with Cisco Catalyst 95CO switches in the aggression layer. The design requires running nonblocking Layer 2 MEC from the aggregation layer to the access layer. The Catalyst switches are located on different campus floors for availability reasons, and each access switch veil contam a single VLAN. Which technology must the engineer choose for the aggregation switches in the design?

  A. VPC
  B. VSS
  C. StackWise Virtual
  D. StackWise-180
  D. StackWise-180

• Question 220:

  Which two overlay network design considerations must be made for a Cisco SD-Access network? (Choose two.)

  A. LAN automation for deployment
  B. Layer 3 to the access design
  C. Reduce subnets and simplify DHCP management
  D. Dedicated IGP process for the fabric
  E. Avoid overlapping IP subnets
  C. Reduce subnets and simplify DHCP management
  E. Avoid overlapping IP subnets