Ensurepass

QUESTION 1

Based on VMware’s best practices, what two statements define the best solution for scaling layer 2 services for the virtual network? (Choose two.)

 

A.

Employ a layer 2 switched network.

B.

Employ a layer 3 switched network.

C.

Use GRE for an overlay network.

D.

Use VXLAN for an overlay network.

 

Correct Answer: BD

 

 

QUESTION 2


Layer 2 Multipathing (L2MP) and Multi-chassis Etherchannel (MEC) features have distinct scaling differences with the network switching and routing services provided by NSX. Which two statements provide a proper contrast of these services? (Choose two.)

 

A.

Multi-chassis Etherchannel features provide higher utilization of Ethernet links within a defined L2/L3 distribution area.

B.

Multi-Chassis Etherchannel features provide an easy ability to scale a VLAN across the data center.

C.

NSX provides a method to transparently deploy L2MP protocols upon existing data center installations without service disruption.

D.

NSX provides a method to deploy scalable L2/L3 services on existing data center installations.

 

Correct Answer: AD

 

 

QUESTION 3

How many Logical Interfaces can be assigned to a single Distributed Router instance?

 

A.

1

B.

12

C.

1000

D.

1200

 

Correct Answer: C

 

 

QUESTION 4

After consulting with the network team, it is decided that Transport Zones will be configured with Unicast Replication Mode for a new NSX for vSphere deployment. Which statement is true regarding the function of the VXLAN Tunnel End Points (VTEPs)?

 

A.

The VTEPs will send unicast frames to the NSX Controllers when the VTEPs do not have a MAC address in the MAC table.

B.

The VTEPs will switch to Multicast Replication Mode for those VTEPs to which multicast path discovery is successful.

C.

The VTEPs will send multicast frames to all other VTEPs in the Transport Zone when the VTEPs do not have a MAC address in the MAC table.

D.

The VTEPs will send unicast frames to all local VTEPs and remote proxies in the Transport Zone when the VTEPs do not have a MAC address in the MAC table.

 

Correct Answer: D

 

 

QUESTION 5

Which two components are required to enable layer 2 bridging? (Choose two.)

 

A.

Distributed firewall rule to allow layer 2 traffic in the bridge.

B.

Deployed Logical Switch.

C.

Deployed Logical Router.

D.

VLAN trunk configured on logical switch.

 

Correct Answer: AC

 

 

QUESTION 6

Which tool is used to display VXLAN connection information?

 

A.

pktcap-uw

B.

NSX Controller CLI

C.

esxtop

D.

VDS Health Check

 

Correct Answer: B

 

 

QUESTION 7

A company wants to deploy VMware NSX for vSphere with no PIM and no IGMP configured in the underlying physical network. This company also must ensure that non- ESXi hosts do not receive broadcast, unknown unicast or multicast (BUM) traffic. Which replication mode should the logical switches be deployed with?

 

A.

Unicast Replication Mode

B.

Multicast Replication Mode

C.

Hybrid Replication Mode

D.

Transport Zone Mode

 

Correct Answer: A

 

 

QUESTION 8

An administrator wishes to control traffic flow between two virtual machines. The virtual machines are in the same subnet, but are located on separate ESXi hosts. The administrator deploys an Edge Firewall to one of the hosts and verifies the default firewall rule is set to deny, but the two virtual machines can still communicate with each other. What task will correct this issue?

 

A.

Configure both ESXi host firewalls to deny traffic from the virtual machine on the other host.

B.

Deploy another Edge Firewall on the host running the second virtual machine.

C.

Remove any other firewall appliances that may exist on either of the ESXi hosts.

D.

Deploy a Distributed Firewall with firewall rules to prevent traffic between the virtual machines.

 

Correct Answer: D

 

 

QUESTION 9

When preparing a vSphere host cluster to work with VMware NSX, which two options show VIBs that are installed and registered with all hosts within the prepared cluster? (Choose two.)

 

A.

NSX VXLAN

B.

NSX Distributed Firewall

C.

NSX Edge

D.

NSX Data Security

 

Correct Answer: AB

 

 

QUESTION 10

How does NSX simplify the underlying physical network?

 

A.

All configuration and state information is available via the REST APIs to automate the configuration of the physical network.

B.

All configuration and state information are readily accessible, as is the mapping between virtual network topologies and the physical network.

C.

All configuration and state information is stored in the local NSX BPDU database, eliminating the need for Spanning Tree Protocol (STP) on the physical network.

D.

All configuration and state information is cached by the NSX controllers, reducing the number of MAC/ARP table entries on the physical network.

 

Correct Answer: B

 

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