Cisco Cisco Certifications 500-490 Questions & Answers

• Question 31:

  What are the three foundational elements required for the new operational paradigm? (Choose three.)

  A. centralization

  B. assurance

  C. application QoS

  D. multiple technologies at multiple OSI layers

  E. policy-based automated provisioning of network

  F. fabric

  Correct Answer: BEF

• Question 32:

  Which two activities should occur during an SE's discovery process? (Choose two.)

  A. Establishing credibility with the customer

  B. Working with the customer to develop a reference architecture

  C. Referencing the PPDIOO model to effectively facilitate the discussion

  D. Gathering information about the current state of the customer's network environment

  E. Mapping Cisco innovation to customer's needs

  Correct Answer: AD

• Question 33:

  Which component of the SD-Access fabric is responsible for communicating with networks that are external to the fabric?

  A. edge nodes

  B. control plane nodes

  C. intermediate nodes

  D. border nodes

  Correct Answer: D

• Question 34:

  Which protocol runs between the vSmart controllers and between the vSmart controllers and the vEdge routers, and unifies all control plane functions under a single protocol umbrella?

  A. BGP

  B. OSPF

  C. IKE

  D. OMP

  E. VRRP

  Correct Answer: D

• Question 35:

  Which two statements regarding Cisco SD-WAN vEdge routers can mitigate DoS attacks against the infrastructure? (Choose two.)

  A. Open Certificate Authority and automated enrollment feature.

  B. By default, all incoming traffic is denied at the transport (WAN) side interfaces.

  C. Only authorized controllers are allowed to communicate back to the vEdge router after the vEdge router establishes connections with the controllers.

  D. In case of direct Internet access, the only traffic allowed back is the traffic matching the state table entries on the vEdge router.

  E. The vEdge routers run on hardened Linux operating systems.

  Correct Answer: CE