Which NSX CLI command is used to change the authentication policy for local users?
A. Set cli-timeout
B. Get auth-policy minimum-password-length
C. Set hardening-policy
D. Set auth-policy
Correct Answer: D
According to the VMware NSX Documentation4, the set auth-policy command is used to change the authentication policy settings for local users, such as password length, lockout period, and maximum authentication failures. The other commands are either used to view the authentication policy settings (B), change the CLI session timeout (A), or change the hardening policy settings ? Reference: 4: Authentication Policy Settings-VMware Docs
An administrator has deployed 10 Edge Transport Nodes in their NSX Environment, but has forgotten to specify an NTP server during the deployment.
What is the efficient way to add an NTP server to all 10 Edge Transport Nodes?
A. Use Transport Node Profile
B. Use the CU on each Edge Node
C. Use a Node Profile
D. Use a PowerCU script
Correct Answer: C
A node profile is a configuration template that can be applied to multiple NSX Edge nodes or transport nodes at once. A node profile can include settings such as NTP server, DNS server, syslog server, and so on1. By using a node profile, an administrator can efficiently configure or update the network settings of multiple NSX Edge nodes or transport nodes in a single operation2. The other options are incorrect because they are either not efficient or not supported. Using the CLI on each Edge node would require manual and repetitive commands for each node, which is not efficient. Using a Transport Node Profile would not work, because a Transport Node Profile is used to configure the NSX-T Data Center components on a transport node, such as the transport zone, the N-VDS, and the uplink profiles3. Using a PowerCLI script might work, but it would require writing and testing a custom script, which is not as efficient as using a built-in feature like a node profile.
Question 4:
What can the administrator use to identify overlay segments in an NSX environment if troubleshooting is required?
A. VNI ID
B. Segment ID
C. Geneve ID
D. VIAN ID
Correct Answer: A
According to the VMware NSX Documentation1, a segment is mapped to a unique Geneve segment that is distributed across the ESXi hosts in a transport zone. The Geneve segment uses a virtual network identifier (VNI) as an overlay network identifier. The VNI ID can be used to identify overlay segments in an NSX environment if troubleshooting is required.
Question 5:
An NSX administrator wants to create a Tler-0 Gateway to support equal cost multi-path (ECMP) routing. Which failover detection protocol must be used to meet this requirement?
A. Bidirectional Forwarding Detection (BFD)
B. Virtual Router Redundancy Protocol (VRRP)
C. Beacon Probing (BP)
D. Host Standby Router Protocol (HSRP)
Correct Answer: A
According to the VMware NSX 4.x Professional documents and tutorials, BFD is a failover detection protocol that provides fast and reliable detection of link failures between two routing devices. BFD can be used with ECMP routing to monitor the health of the ECMP paths and trigger a route change in case of a failure12. BFD is supported by both BGP and OSPF routing protocols in NSX-T3. BFD can also be configured with different timers to achieve different detection times3.
Question 6:
What are three NSX Manager roles? (Choose three.)
A. master
B. cloud
C. zookeepet
D. manager
E. policy
F. controller
Correct Answer: DEF
According to the VMware NSX 4.x Professional documents and tutorials, an NSX Manager is a standalone appliance that hosts the API services, the management plane, control plane, and policy management. The NSX Manager has three built-in roles: policy, manager, and controller2. The policy role handles the declarative configuration of the system and translates it into desired state for the manager role. The manager role receives and validates the configuration from the policy role and stores it in a distributed persistent database. The manager role also publishes the configuration to the central control plane. The controller role implements the central control plane that computes the network state based on the configuration and topology information3. The other roles (master, cloud, and zookeeper) are not valid NSX Manager roles.
Question 7:
What are the four types of role-based access control (RBAC) permissions? (Choose four.)
A. Read
B. None
C. Auditor
D. Full access
E. Enterprise Admin
F. Execute
G. Network Admin
Correct Answer: ABDF
The four types of role-based access control (RBAC) permissions are Read, None, Full access, and Execute1. 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 8:
Where does an administrator configure the VLANs used In VRF Lite? (Choose two.)
A. segment connected to the Tler-1 gateway
B. uplink trunk segment
C. downlink interface of the default Tier-0 gateway
D. uplink Interface of the VRF gateway
E. uplink interface of the default Tier-0 gateway
Correct Answer: BD
According to the VMware NSX Documentation, these are the two places where you need to configure the VLANs used in VRF Lite:
Uplink trunk segment: This is a segment that connects a tier-0 gateway to a physical network using multiple VLAN tags. You need to configure the VLAN IDs for each VRF on this segment.
Uplink interface of the VRF gateway: This is an interface that connects a VRF gateway to an uplink trunk segment using a specific VLAN tag. You need to configure the VLAN ID for each VRF on this interface.
Question 9:
Which two built-in VMware tools will help Identify the cause of packet loss on VLAN Segments? (Choose two.)
A. Flow Monitoring
B. Packet Capture
C. Live Flow
D. Activity Monitoring
E. Traceflow
Correct Answer: BE
According to the VMware NSX Documentation1, Packet Capture and Traceflow are two built-in VMware tools that can help identify the cause of packet loss on VLAN segments.
Packet Capture allows you to capture packets on a specific interface or segment and analyze them using tools such as Wireshark or tcpdump. Packet Capture can help you diagnose network issues such as misconfigured MTU, incorrect
VLAN tags, or firewall drops.
Traceflow allows you to inject synthetic packets into the network and trace their path from source to destination. Traceflow can help you verify connectivity, routing, and firewall rules between virtual machines or segments. Traceflow can also
show you where packets are dropped or modified along the way.
Question 10:
Which choice is a valid insertion point for North-South network introspection?
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