Cisco 300-420 Online Practice Questions and Exam Preparation

Cisco 300-420 Online Questions & Answers

• Question 261:

  Which two border nodes are available in the Cisco SD-Access architecture? (Choose two.)

  A. extended border
  B. edge border
  C. internal border
  D. anywhere border
  E. intermediate border
  C. internal border
  D. anywhere border

• Question 262:

  In a Cisco SD-Access fabric, which node is equivalent to an access layer switch in a traditional three-tier campus network design?

  A. edge node
  B. border node
  C. intermediate node
  D. control plane node
  A. edge node

• Question 263:

  Refer to the exhibit.

  

  A network engineer must improve the current IS-IS environment. The Catalyst switch is equipped with dual supervisors. Each time a stateful switchover occurs, the network experiences unnecessary route recomputation. Which solution addresses this issue if the upstream router does not understand graceful restart messaging?

  A. Enable IS-IS remote LFA FRR on both devices.
  B. Enable NSR on the switch.
  C. Enable NSF on the switch.
  D. Configure ISIS aggressive timers on both devices.
  B. Enable NSR on the switch.

• Question 264:

  DRAG DROP

  Drag and drop the characteristics from the left onto the correct telemetry mode on the right.

  Select and Place:

  

  

• Question 265:

  In a multicast network, which condition must be met for an RPF check to be performed on the RP address'?

  A. The PIM DM device receives a multicast packet and has no directly connected members
  B. The PIM router or multilayer switch has a shared-tree state
  C. The PIM router or multilayer switch has a source-tree state
  D. The PIM DM device receives a multicast packet and has no directly connected PIM neighbor
  B. The PIM router or multilayer switch has a shared-tree state

• Question 266:

  Refer to the exhibit. An engineer is designing a BGP solution for a client that peers with ISP1 for full Internet connectivity and with ISP2 for direct exchange of routes for several third parties. Which action, when implemented on the edge routers, enables the client network to reach the Internet through ISP1?

  

  A. Run an eBGP session within different VRFs for each ISP.
  B. Advertise a default route for downstream routers within the client network.
  C. Apply the AS-path prepend feature for ISP2.
  D. Apply route filtering such that the client advertises only routes originated from its own AS.
  B. Advertise a default route for downstream routers within the client network.

• Question 267:

  Which two statements about VRRP object tracking are true? (Choose two) A. The priority of a VRRP device can change in accordance with the up or down status of a VRRP object

  B. The VRRP interface priority must be manually configured by the administrator

  C. A VRRP group can track only one object at a time

  D. VRRP can track the status of interfaces and routes

  E. VRRP supports only interce tracking

  Correct Answer. AD
  AD

• Question 268:

  Which element of the Cisco SD-WAN architecture facilitates the functions of controller discovery and NAT traversal?

  A. vSmart controller
  B. vBond orchestrator
  C. vManage
  D. vEdge
  B. vBond orchestrator

• Question 269:

  An engineer is designing a BGP solution supporting a VXLAN environment over a Layer 3 IPv4 network fabric with these requirements:

  1.provide Layer 2 adjacency

  2.allow VM migration of workloads between sites

  3.IGP is OSPF

  Which BGP address family must the engineer choose?

  A. L2VPN VPLS-VPWS
  B. L2VPN EVPN
  C. IPv4 unicast
  D. VPNv4
  B. L2VPN EVPN

• Question 270:

  When designing interdomain multicast, which two protocols are deployed to achieve communication between multicast sources and receivers? (Choose two.)

  A. IGMPv2
  B. BIDIR-PIM
  C. MP-BGP
  D. MSDP
  E. MLD
  C. MP-BGP
  D. MSDP