Question 1

An NSX administrator is troubleshooting a connectivity issue with virtual machines running on an FSXi transport node. Which feature in the NSX Ul shows the
mapping between the virtual NIC and the host's physical adapter?

Accepted Answer

According to the VMware NSX Documentation, Switch Visualization is a feature in the NSX UI that shows
the mapping between the virtual NIC and the host’s physical adapter for virtual machines running on an ESXi transport node. You can use Switch Visualization to
view details such as port ID, MAC address, VLAN ID, IP address, MTU, port state, port speed, port type, and port group for each virtual NIC and physical adapter.
https://docs.vmware.com/en/VMware-NSX/4.1/installation/GUID-55E5C735-18AD-43F8-9BE5-F75D5B8C6E

Question 2

Refer to the exhibit.
An administrator configured NSX Advanced Load Balancer to redistribute the traffic between the web servers. However, requests are sent to only one server
Which of the following pool configuration settings needs to be adjusted to resolve the problem? Mark the correct answer by clicking on the image.

Accepted Answer

Load Balancing Algorithm

Question 3

An NSX administrator would like to create an L2 segment with the following requirements:
• L2 domain should not exist on the physical switches.
• East/West communication must be maximized as much as possible.
Which type of segment must the administrator choose?

Accepted Answer

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An overlay segment is a layer 2 broadcast domain that is implemented as a logical construct in the NSX-T Data Center software. Overlay segments do not require
any configuration on the physical switches, and they allow for optimal east/west communication between workloads on different ESXi hosts. Overlay segments use
the Geneve protocol to encapsulate and decapsulate traffic between the hosts. Overlay segments are created and managed by the NSX Manager.
https://docs.vmware.com/en/VMware-NSX-T-Data-Center/3.2/administration/GUID-316E5027-E588-455C-88

Question 4

What are the four types of role-based access control (RBAC) permissions? (Choose four.)

Accepted Answer

The four types of role-based access control (RBAC) permissions are Read, None, Full access, and Execu Read permission allows the user to view the
configuration and status of the system. None permission denies any access to the system. Full access permission grants all permissions including Create, Read,
Update, and Delete (CRUD). Execute permission includes Read and Update permissions1. Auditor, Enterprise Admin, and Network Admin are not types of
permissions, but types of roles that have different sets of permissions. References: NSX Features
There are four types of permissions. Included in the list are the abbreviations for the permissions that are used in the Roles and Permissions and Roles and
Permissions for Manager Mode tables.
 Full access (FA) - All permissions including Create, Read, Update, and Delete
 Execute (E) - Includes Read and Update
 Read (R)
 None
NSX-T Data Center has the following built-in roles. Role names in the UI can be different in the API.
In NSX-T Data Center, if you have permission, you can clone an existing role, add a new role, edit newly created roles, or delete newly created roles.
Role-Based Access Control (vmware.com)

Question 5

Which three NSX Edge components are used for North-South Malware Prevention? (Choose three.)

Accepted Answer

https://docs.vmware.com/en/VMware-NSX/4.1/administration/GUID-69DF70C2-1769-4858-97E7-B757CAED

Question 6

Which two statements are true for IPSec VPN? (Choose two.)

Accepted Answer

According to the VMware NSX 4.x Professional documents and tutorials, IPSec VPN secures traffic flowing between two networks connected over a public network
through IPSec gateways called endpoints. NSX Edge supports a policy-based or a route-based IPSec VPN. Beginning with NSX-T Data Center 2.5, IPSec VPN
services are supported on both Tier-0 and Tier-1 gateways1. NSX Edge also leverages the DPDK accelerated performance library to optimize the performance of
IPSec VPN2.

Question 7

Which TraceFlow traffic type should an NSX administrator use tor validating connectivity between App and DB virtual machines that reside on different segments?

Accepted Answer

Unicast is the traffic type that an NSX administrator should use for validating connectivity between App and DB virtual machines that reside on different segments.
According to the VMware documentation1, unicast traffic is the traffic type that is used to send a packet from one source to one destination. Unicast traffic is the

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most common type of traffic in a network, and it is used for applications such as web browsing, email, file transfer, and so on2. To perform a traceflow with unicast
traffic, the NSX administrator needs to specify the source and destination IP addresses, and optionally the protocol and related parameters1. The traceflow will
show the path of the packet across the network and any observations or errors along the way3. The other options are incorrect because they are not suitable for
validating connectivity between two specific virtual machines. Multicast traffic is the traffic type that is used to send a packet from one source to multiple
destinations simultaneously2. Multicast traffic is used for applications such as video streaming, online gaming and group communication4. To perform a traceflow
with multicast traffic, the NSX administrator needs to specify the source IP address and the destination multicast IP address1. Broadcast traffic is the traffic type
that is used to send a packet from one source to all devices on the same subnet2. Broadcast traffic is used for applications such as ARP, DHCP, and network
discovery. To perform a traceflow with broadcast traffic, the NSX administrator needs to specify the source IP address and the destination MAC address as
FF:FF:FF:FF:FF:FF1. Anycast traffic is not a valid option, as it is not supported by NSX Traceflow. Anycast traffic is a traffic type that is used to send a packet from
one source to the nearest or best destination among a group of devices that share the same IP address. Anycast traffic is used for applications such as DNS,
CDN, and load balancing.

Question 8

In an NSX environment, an administrator is observing low throughput and congestion between the Tier-O Gateway and the upstream physical routers.
Which two actions could address low throughput and congestion? (Choose two.)

Accepted Answer

ECMP (Equal Cost Multi-Path) is a routing protocol that increases the north and south communication bandwidth by adding an uplink to the tier-0 logical router and
configure it for each Edge node in an NSX Edge cluster2. The ECMP routing paths are used to load balance traffic and provide fault tolerance for failed paths2.
The tier-0 logical router must be in active-active mode for ECMP to be available2. A maximum of eight ECMP paths are supported2. Configuring ECMP on the
tier-0 gateway can address low throughput and congestion by distributing the traffic among multiple paths and avoiding bottlenecks.
Deploying Large size Edge node/s can also address low throughput and congestion by providing more resources (memory, CPU, disk) for the Edge node to handle
the network traffic. The NSX Edge VM system requirements vary depending on the appliance size, which affects the bandwidth, NAT/firewall, load balancer, and
VPN capabilities of the Edge node1. A Large size Edge node has 32 GB memory, 8 vCPU, 200 GB disk space, and can support 2-10 Gbps bandwidth, L2-L4
features, and L7 load balancer1. An Extra Large size Edge node has 64 GB memory, 16 vCPU, 200 GB disk space, and can support more than 10 Gbps
bandwidth, L2-L4 features, L7 load balancer, and VPN1. Deploying a larger size Edge node can improve the performance and capacity of the tier-0 gateway.
References: 2: Understanding ECMP Routing - VMware Docs(https://docs.vmware.com/en/VMware-NSX-T-Data-Center/3.2/administration/GUID-443B6B0DF179-42 NSX Edge VM System Requirements - VMware
Docs(https://docs.vmware.com/en/VMware-NSX-T-Data-Center/3.2/installation/GUID-22F87CA8-01A9-4F2E

Question 9

In which VPN type are the Virtual Tunnel interfaces (VTI) used?

Accepted Answer

Route-based VPN is a VPN type that uses Virtual Tunnel interfaces (VTI) to establish IPSec tunnels between an NSX Edge node and remote sites2. A VTI is a
logical interface that is assigned an IP address and is associated with a physical or virtual interface. The VTI acts as an end point of the IPSec tunnel and routes
traffic between the NSX Edge node and the remote site2. Route & SSL based VPNs, Policy & Route based VPNs, and SSL-based VPN are not VPN types that
use VTI. References: Virtual Private Network (VPN)

Question 10

How does the Traceflow tool identify issues in a network?

Accepted Answer

The Traceflow tool identifies issues in a network by injecting synthetic traffic into the data plane and observing the results in the control plane. This allows the tool
to identify any issues in the network and provide a detailed report on the problem. You can use the Traceflow tool to test connectivity between any two endpoints in
your NSX-T Data Center environment.