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VMware 5V0-41.20 - VMware SD-WAN Troubleshoot

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Total 36 questions

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.

When checking connectivity from the San Jose branch, all users report that they can reach certain resources at the main data center. They are unable to reach locations elsewhere. The network administrator investigates and first looks at the Overlay Flow Control (OFC) Table.

What should the network administrator look for next to determine what the issue might be?

A.

Check with the local network administrator to see if the routes for the SD-WAN sites are present in San Jose's branch router.

B.

Check Test & Troubleshoot and review a route table dump of the NY hub site.

C.

Check the Global Segment Configuration to see if it has the Routing Flag enabled.

D.

Determine if OSPF has been configured on the MPLS Routers at the hub.

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.

A network administrator is investigating connectivity issues between Chicago and San Jose. The administrator browses to the Overlay Flow Control (OFC) window and notices that the screen is blank with no routes shown in the OFC.

What is a possible reason for this?

A.

Cloud VPN for the Edges / Profiles is not enabled.

B.

There is an invalid MTU configuration at Chicago.

C.

OSPF or BGP is not enabled.

D.

The routing table on the Edges has not been initialized.

Scenario 1:

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 lime. The organization has several branch sites. One is an 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.

Exhibit.

When attempting to activate an Edge, after clicking on the "activation link" in the email that was sent to the network administrator, the Edge's local UI shows as "Internet down". This is preventing the Edge from coming online and being activated. When referring to the output, the network administrator notices that the Edge has received DHCP addressing.

What could be preventing the Edge from coming online?

A.

The next hop does not respond to ICMP pings.

B.

Cloud VPN is not enabled in the AMER Branch profile.

C.

The subnet mask assigned to the Edge is incorrect.

D.

The Edge's profile does not specify the correct Edge Model.

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.

Several reports have come in from branch locations indicating customers cannot reach applications being served by the hub location. The hub location has a single LAN-side port from which it should be learning dynamic routes for the subnets serving the applications.

How should the technician verify if the ports on the Edge are up and working?

A.

Look under Administration and System Settings to verify if the interfaces are configured and enabled.

B.

Look in Test & Troubleshoot under the Remote Diagnostics and run Interface status.

C.

Look in Test & Troubleshoot under the Remote Actions and run System Health.

D.

Look in Test & Troubleshoot under the Remote Diagnostics and run System Health.

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

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.

Users at the London site are complaining of various intermittent issues around websites not loading, or applications being remotely accessed disconnecting sporadically and reconnecting after a few minutes. The network administrator does not see anything strange on the Edge overview page and decides to check if the CPU or memory have been hitting close to 100°/o.

Where should the administrator verify this information?

A.

In the VCO > Test 8c Troubleshoot > Remote Diagnostics > System Status

B.

In the VCO > Monitor > Click London_Site01 > Click the System Tab

C.

In the VCO > Remote Troubleshooting > Remote Actions > System Status

D.

In the VCO > Monitor > Alerts

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 configured Business Policies based on these requirements.

What is the sequence of parameters that the administrator can check to troubleshoot this problem? (Choose two.)

A.

Change the bandwidth measurement under WAN Overlay Advanced Settings.

B.

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

C.

Under Monitor, check Routing tab.

D.

Review Business Policies configuration and match them against the business requirements.

Scenario:1

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 an Internet-only site and two are Hybrid locations with both internet and MPLS. The last location is MPLS only. There are hub data center in this environment as well. Please refer to the topology.

Exhibit.

One of the Edges at the Chicago site is unable to activate. The Edge has a red LED. What is the next troubleshooting step?

A.

If the Edge is connected to its HA peer, determine if there is a link-light on the HA peer-link.

B.

If the Edge is connected to the MPLS circuit, determine if the Hub is advertising gateway routes.

C.

If the Edge is connected to the MPLS circuit which does not have DHCP, determine if there is a static IP configuration that needs to be applied upon activation.

D.

If the Edge is connected to its HA peer, determine if underlay BGP peering is present between the two Edges.

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.

A network administrator is trying to create multiple overlays on a single physical interface on an Edge. The administrator is able to bring up only a single overlay so far, but is having trouble with bringing up additional overlays.

What could be the possible reason?

A.

The administrator does not have the right permission to create multiple overlays. The administrator needs to have an Operator-level privilege for this task.

B.

On the WAN overlay configuration, verify the IP address, next-hop, and the VLAN ID configuration.

C.

The licensing does not support multiple overlays on a single physical interface.

D.

Multiple overlays cannot be created on a single physical interface. Multiple physical interfaces are needed.

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.

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. While attempting to deploy the VNF, the process keeps failing.

Where can the administrator check to see more detail?

A.

VCO > Monitor > Logging

B.

VCO > Monitor > Events

C.

VCO > Test & Troubleshoot > Remote Diagnostics > Events

D.

VCO > Test & Troubleshoot > Remote Actions > Alerts