Practice Free 300-415 Exam Online Questions
Which protocol is used between redundant vSmart controllers to establish a permanent communication channel?
- A . IPsec
- B . HTTPs
- C . DTLS
- D . SSL
What is a restriction when configuring a tunnel interface?
- A . Up to six tunnel interfaces are configurable on a vSmart.
- B . it is manually assigned when using vWanage feature template.
- C . It must be configured for the interface under aft VPNs
- D . Up to six tunnel interfaces are configurable on a WAN Edge
What are the default username and password for vSmart Controller when it is installed on a VMware ESXi hypervisor’?
- A . username Cisco password admin
- B . username admin password Cisco
- C . username Cisco password Cisco
- D . username admin password admin
DRAG DROP
Drag and drop the components from the left onto the corresponding Cisco NFV infrastructure Building Blocks on the right. Not all options are used.

Explanation:

Refer to the exhibit.

An administrator is configuring a policy in addition to an existing hub-and-spoke policy for two sites that should directly communicate with each other.
How is this policy configured?
- A . hub-and-spoke
- B . mesh
- C . import existing topology
- D . custom control (route and TLOC)
D
Explanation:
https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/policies/vedge/policies-book/controlpolicies.html#id_107219
An engineer is tasked to improve throughput for connection-oriented traffic by decreasing round-trip latency.
Which configuration will achieve this goal?
- A . turn on "Enable TCP Optimization"
- B . turn off "Enhance ECMP Keying"
- C . turn off "Enable TCP Optimization"
- D . turn on "Enhance ECMP Keying"
A
Explanation:
![]()
https://www.cisco.com/c/dam/en/us/td/docs/routers/sdwan/configuration/config-18-2.pdf#page=530
Which configuration changes the packet loss priority from low to highly?
A)

B)

C)

D)

- A . Option A
- B . Option B
- C . Option C
- D . Option D
B
Explanation:
![]()
https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/qos/vEdge-20-x/qos-book/forwarding-qos.html
Which configuration changes the packet loss priority from low to highly?
A)

B)

C)

D)

- A . Option A
- B . Option B
- C . Option C
- D . Option D
B
Explanation:
![]()
https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/qos/vEdge-20-x/qos-book/forwarding-qos.html
Which statement describes the requirement of integrating a secure internet gateway (SIG) with a Cisco SD-WAN Edge device?
- A . Attached to SIG tunnels, trackers monitor the respective SIG endpoints.
- B . Credentials for a smart account are required.
- C . A Cisco umbrella organization ID is needed to establish the SIG.
- D . Based on routing or policy, all customer internet traffic must be forwarded to the SIG.
Refer to the exhibit.

Cisco SD-WAN is deployed with controllers hosted in a data center All branches have WAN Edge devices with dual connections to the data center one via Internet and the other using MPLS Three branches out of 20 have issues with their control connections on MPLS circuit. The local error refers to Control Connection Failure.
Which action resolves the issue*?
- A . Rectify any issues with the underlay routing configuration
- B . Match the TLOC color on the controllers and all WAN Edge devices
- C . Match certificates for the DTLS connection and Root CA must be installed first on WAN Edge devices
- D . Update the system IP on vManage and then resend it to the controllers
