Cisco 300-415 Online Practice Questions and Exam Preparation

Cisco 300-415 Online Questions & Answers

• Question 261:

  An SD-WAN customer must ensure that its network operations team can monitor and update the NTP server if needed on a WAN Edge in HQ.

  Which configuration meets this requirement?

  A. system usergroup operator task interface write
  B. system aaa usergroup operator task policy write
  C. system aaa usergroup operator task system write
  D. system aaa usergroup operator task security write
  B. system aaa usergroup operator task policy write

• Question 262:

  How is replicator information relayed to the WAN Edge router in an SD-WAN multicast environment?

  A. The replicator sends its information directly to all PIM-enabled WAN Edge routers in the same VPN as the replicator.
  B. The administrator enters the replicator IP address under the multicast configuration of the WAN Edge router.
  C. The replicator sends an OMP multicast-autodiscover route to vSmart, which forwards the information to the WAN Edge router.
  D. The WAN Edge router broadcasts a multicast-auto discover message to vBond.
  C. The replicator sends an OMP multicast-autodiscover route to vSmart, which forwards the information to the WAN Edge router.

• Question 263:

  Which value is verified in the certificates to confirm the identity of the physical WAN Edge device?

  A. Serial Number
  B. OTP
  C. System-IP
  D. Chassis-ID
  A. Serial Number

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  Explanation

  Serial numbers are commonly used in certificates as a unique identifier for a specific physical device. When a device presents a certificate during authentication or key exchange, the serial number is one of the attributes used to verify the device's identity and authenticity

  https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/sdwan-xe-gs-book/manage-certificates.html

• Question 264:

  Which protocol runs between the vSmart controllers and WAN Edge routers when the vSmart controller acts like a route reflector?

  A. IPsec inside the DTLS/TLS control connection
  B. BGP inside the DTLS/TLS
  C. OMP outside the DTLS/TLS control connection
  D. OMP inside the DTLS/TLS control connection
  D. OMP inside the DTLS/TLS control connection

• Question 265:

  What is the purpose of a TLOC extension interface?

  A. gives access to business Internet
  B. provides access to the transport of its neighboring WAN Edge router
  C. forms an alternate connection to connected transport
  D. synchronizes the configuration with the neighboring WAN Edge router
  B. provides access to the transport of its neighboring WAN Edge router

• Question 266:

  Which TCP Optimization feature is used by WAN Edge to prevent unnecessary retransmissions and large initial TCP window sizes to maximize throughput and achieve a better quality?

  A. SEQ
  B. SYN
  C. RTT
  D. SACK
  D. SACK

• Question 267:

  Which plane assists in the automatic onboarding of the SD-WAN routers into the SD-WAN overlay?

  A. Data
  B. Orchestration
  C. Management
  D. Control
  B. Orchestration

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  Explanation

  The Cisco Catalyst SD-WAN solution is comprised of separate orchestration, management, control, and data planes.

  1. The orchestration plane assists in the automatic onboarding of the SD-WAN routers into the SD-WAN overlay.

  2. The management plane is responsible for central configuration and monitoring.

  3. The control plane builds and maintains the network topology and makes decisions on where traffic flows.

  4. The data plane is responsible for forwarding packets based on decisions from the control plane.

• Question 268:

  Refer to the exhibit.

  Which configuration routes Site 2 through the firewall in Site 1?

  

  

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

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  Explanation

  https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/policies/vedge-20-x/policies-book/service-chaining.html

  

• Question 269:

  Which feature template configures OMP?

  

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

• Question 270:

  Refer to the exhibit.

  

  Which shaping-rate does the engineer use to shape traffic at 9 Mbps?

  A. 9
  B. 9000
  C. 90000
  D. 9000000
  B. 9000

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  Explanation

  https://www.cisco.com/c/en/us/td/docs/routers/sdwan/command/sdwan-cr-book/config-cmd.html#wp4217152133