2V0-41.20: Professional VMware NSX-T Data Center

An NSX administrator noticed that the nsxcli command times out after 600 secs of idle time. Which CLI command disables the nsxcli time out value on NSX Manager?

set cli-timeout 0
set cli-timeout enabled
set cli-timeout disabled
set cli-timeout 1

Correct answer: A

Explanation:

https://www.virten.net/2020/06/quick-tip-remove-nsx-t-ssh-and-http-session-timeout/

An NSX administrator is configuring the KVM hypervisor host as a transport node and wants to apply the Failover Order as a NIC teaming policy. Which profile allows the administrator to configure the NIC Teaming policy as Failover Order?

N-VDS/VDS Profile
Transport Node Profile
Host Switch Profile
Uplink Profile

Correct answer: D

Which two choices are prerequisites to configure NSX-T on VDS? (Choose two.)

MTU 1500
MTU 1400
vSphere Distributed Switch 6.5
vSphere Distributed Switch 7.0
MTU 1600

Correct answer: DE

Explanation:

https://rutgerblom.com/2020/04/08/nsx-t-3-0-meets-vsphere-7-vds-7-0/

Which command is used to display the network configuration of the Tunnel Endpoint (TEP) IP on a bare metal transport node?

ifconfig
tcpdump
debug
ipconfig

Correct answer: A

Explanation:

https://docs.vmware.com/en/VMware-NSX-T-Data-Center/3.0/installation/GUID-B7E7371E-A9F6-4880-B184-E00A62C0C818.html

Which three steps are required to create an IPsec VPN tunnel? (Choose three.)

Create an IPsec service.
Add a local endpoint.
Configure an IPsec session.
Configure a distributed firewall policy.
Add a logical switch.

Correct answer: ABC

Explanation:

https://docs.vmware.com/en/VMware-NSX-T-Data-Center/3.0/administration/GUID-310E8701-4A97-459E-8B81-1C567D579007.html

An NSX administrator wants to create a Tier-0 Gateway to support equal cost multi-path (ECMP) routing.

Which failover detection protocol must be used to meet this requirement?

Beacon Probing (BP)
Host Standby Router Protocol (HSRP)
Bidirectional Forwarding Detection (BFD)
Virtual Router Redundancy Protocol (VRRP)

Correct answer: C

Explanation:

From ICM manual:The failover process uses the following mechanisms to check the connectivity between tiers:Bidirectional Forwarding Detection (BFD): on the management and overlay networkBorder Gateway Protocol (BGP): on the uplinks

From ICM manual:

The failover process uses the following mechanisms to check the connectivity between tiers:

Bidirectional Forwarding Detection (BFD): on the management and overlay network

Border Gateway Protocol (BGP): on the uplinks

What are two supported N-VDS modes? (Choose two.)

DPDK Datapath
Overlay Datapath
Secure Datapath
Enhanced Datapath
Standard Datapath

Correct answer: DE

Explanation:

https://docs.vmware.com/en/VMware-NSX-T-Data-Center/3.0/installation/GUID-37BC3CEF-DCC1-4C6F-960D-CFBB31908D1C.html

A user is assigned these two roles in NSX Manager:

LB Admin
Network Engineer

What privileges does this user have in the system?

read permissions on all networking services and full access permissions on load balancing features
full access permissions on all networking services and full access permissions on load balancing features
full access permissions on all networking services and read permissions on load balancing features
read permissions on all networking services and read permissions on load balancing features

Correct answer: B

Explanation:

https://docs.vmware.com/en/VMware-NSX-T-Data-Center/3.0/administration/GUID-26C44DE8-1854-4B06-B6DA-A2FD426CDF44.html

An NSX administrator has configured a KVM hypervisor as a transport node.

Which kernel module on KVM implements a N-VDS?

openvswitch
etherswitch
nsx-vswitch
dvswitch

Correct answer: A

Explanation:

http://virtualbrigade.com/n-vds/https://ipwithease.com/vds-vs-n-vds-vmware-virtual-switches/ "On a KVM hypervisor N-VDS is implemented via an open vSwitch (OVS) module for Linux kernel. The purpose of N-VDS is to forward traffic which runs on transport nodes."

http://virtualbrigade.com/n-vds/

https://ipwithease.com/vds-vs-n-vds-vmware-virtual-switches/ "On a KVM hypervisor N-VDS is implemented via an open vSwitch (OVS) module for Linux kernel. The purpose of N-VDS is to forward traffic which runs on transport nodes."

Which CLI command should be executed on a KVM hypervisor to retrieve the VM interface UUID?

virsh dumpxml <VM Name> | grep interfaceid
virsh get-interface <VM Name>
virsh show <VM Name> | grep interfaceid
virsh list-interface <VM Name>

Correct answer: A

Explanation:

https://docs.vmware.com/en/VMware-NSX-T-Data-Center/3.0/administration/GUID-E3528597-4F5A-4C68-993B-813FD46E1F2C.html?hWord=N4IghgNiBcIIIBcFgMYAsAEYMDUCyGAEgPYDOCApgCYbEB2GA0vhgsVhgDLEDmAlikgYAygHc+CdBj4M8YOmB4UAThjzEqFEAF8gA