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5V0-41.20 VMware SD-WAN Troubleshoot Question and Answers

Question # 4

Scenario 3:

After resolving numerous connectivity issues throughout the various branch sites, connectivity between applications and users is finally present. The network administrator is informed that during certain tests, applications are not performing as they are expected to. Users report that call quality has not fully improved and that some of their calls either drop or have poor voice quality where the conversation is breaking up. Other users are noticing that file transfers are slower than expect. A group of users from a few sites have reported slowness in accessing internal and external applications.

Exhibit.

A network administrator decides to deploy a local Checkpoint VNF appliance on the Edge in London to cut back on unnecessary traffic towards the NY hub location.

The Checkpoint VNF and associated security services were successfully deployed at the London Branch. Users are now are complaining that Webpages are extremely slow to load, just like before.

What should the administrator do?

A.

Reboot the Edge, as this is a requirement in the deployment of a Security VNF.

B.

Disable and redeploy the VNF with lower memory requirements.

C.

Verify to see if a firewall rule in the Edge is set to allow traffic to the Checkpoint VNF.

D.

Check the flow records in Remote Diagnostics.

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Question # 5

Scenario 2:

After completing the branch activation activities for all required branches, the network administrator attempts to test connectivity between the various branches and between the hubs and branches. The administrator notices a lack of connectivity despite being certain that configurations have been complete. The administrator also observed that several users are reporting intermittent connectivity to some of the applications they are accessing. Other users are reporting no access to these applications. Other users at some of the branches claim they cannot get to certain public resources. The administrator wants to ensure that all sites can talk to each other and all resources are accessible.

Exhibit.

Where can the network administrator check to see what routes are present on the London-site Edge?

A.

Log into the VCO > Configuration > Overlay Flow Control

B.

Log into the VCO > Test & Troubleshoot > Remote Diagnostics > Run "List Paths"

C.

Log into the VCO > Test & Troubleshoot > Remote Diagnostics > Run "Route Table Dump"

D.

Log into the VCO > Monitoring > Overlay Flow Control

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Question # 6

Scenario 2:

After completing the branch activation activities for ail required branches, the network administrator attempts to test connectivity between the various branches and between the hubs and blanches. The administrator notices a lack of connectivity despite being certain that configurations have been complete. The administrator also observed that several users are reporting intermittent connectivity to some of the applications they are accessing. Other users are reporting no access to these applications. Other users at some of the branches claim they cannot get to certain public resources. The administrator wants to ensure that all sites can talk to each other and all resources are accessible.

Exhibit.

After deploying the Edge, the security team has determined that traffic from Guest wireless traffic is able to reach resources in the Production network. There should be absolutely no interaction.

How can this be prevented?

A.

Create an additional segment for Guest wireless traffic and leave the Production traffic in the default global segment.

B.

Segmentation is currently not supported on VeloCloud Edge.

C.

Create two subnets, one for Guest wireless traffic and another one for Production traffic.

D.

Have Guest wireless and Production traffic in the same segment but different VLANs.

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Question # 7

Scenario 3:

After resolving numerous connectivity issues throughout the various branch sites, connectivity between applications and users is finally present. The network administrator is informed that during certain tests, applications are not performing as they are expected to. Users report that call quality has not fully improved and that some of their calls either drop or have poor voice quality where the conversation is breaking up. Other users are noticing that file transfers are slower than expect. A group of users from a few sites have reported slowness in accessing internal and external applications.

Exhibit.

A network administrator wants to achieve better high-availability and network reconvergence between LAN-side BGP Networks and the hub Edges in New York.

What must the administrator do?

A.

Modify the Keep Alive and Hold timers to the lowest possible values ensuring the Hold timer is 3 times more than the Keep Alive timer.

B.

Nothing, the system will auto-rebalance connections and will provide sub-second convergence.

C.

Modify the Connect and Hold timers to the lowest possible values ensuring the Hold timer is 3 times more than the Connect timer.

D.

Modify the Keep Alive and Hold timers to the lowest possible values ensuring the Keep Alive timer is 3 times more than the Hold timer.

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Question # 8

Scenario 1:

The Dallas Branch location is having issues getting activated. The local network administrator is aware that the Edge device received a DHCP address and was able to connect to the internet. The Orchestrator is reporting the Edge as Down. No other changes were made post activation.

A network administrator is tasked with enabling SD-WAN at three branch locations. A topology has been provided for reference. For each site, the administrator is having issues bringing edges

online, as another administrator has gone ahead and created a configuration ahead of time. The organization has several branch sites. One is am Internet-only site and two are Hybrid locations with both internet and MPLS. The last location is MPLS only. There are hub data center locations in this environment as well. Please refer to the topology.

Refer to the Exhibit(s).

What is the cause of this issue?

A.

The activation link did not specify the updated image location requiring the Edge to be re-activated.

B.

The activation link did not contain any post-activation configuration to allow the Orchestrator to communicate with the Edge.

C.

The Edge will be offline for about 4 hours until it has completed the factory image installation.

D.

The activation link contained incorrect configurations for WAN overlays and WAN interfaces.

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Question # 9

Scenario 3:

After resolving numerous connectivity Issues throughout the various branch sites, connectivity between applications and users is finally present. The network administrator is informed that during certain tests, applications are not performing as they are expected to. Users report that call quality has not fully improved and that some of their calls either drop or have poor voice quality where the conversation is breaking up. Other users are noticing that file transfers are slower than expect. A group of users from a few sites have reported slowness in accessing internal and external applications.

Exhibit.

Users at a remote office are complaining about poor performance with certain applications. The network administrator has already verified the configuration is correct.

Which two parameters should the administrator review to troubleshoot this issue? (Choose two.)

A.

Check the underlay network (bandwidth, latency, jitter, packet loss)

B.

Change the bandwidth measurement under WAN Overlay Advanced Settings

C.

Check the flows to verify which Business Policy the traffic of interest is matching

D.

Look under Monitor, check Business priority tab

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Question # 10

Scenario 3:

After resolving numerous connectivity issues throughout the various branch sites, connectivity between applications and users is finally present. The network administrator is informed that during certain tests, applications are not performing as they are expected lo. Users report that call quality has not fully improved and that some of their calls either drop or have poor voice quality where the conversation is breaking up. Other users are noticing that file transfers are slower than expect. A group of users from a few sites have reported slowness in accessing internal and external applications.

Exhibit.

Users are complaining that web pages to certain web sites are very slow to load and at times unresponsive. The network administrator has verified that the traffic is going correctly out the underlay.

What should the administrator check next?

A.

Verify if Path-MTU Discovery is disabled.

B.

Verify if there is latency, loss, or jitter on the underlay.

C.

Verify the Business Policy flows are matching.

D.

Verify if routes to Gateways are present in the Overlay Flow Control (OFC).

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