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Q21. Which three methods can be used by the NSX Distributed Firewall to discover IP addresses? (Choose three )
A. DHCP Snooping
B. IP Sets
C. Spoofguard configured forTrust on First Use.
D. VMware Tools installed on every guest virtual machine.
E. ARP Spoofing
Answer: A,C,D
Explanation:
Referencehttps://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2125437
Q22. Which load balancing algorithm is only available on a vSphere Distributed Switch?
A. Route Based on Source MAC Hash
B. Route Based on Originating Virtual Port
C. Route Based on IP Hash
D. Route Based on Physical NIC Load
Answer: D
Explanation: https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.networking.doc/GUID-959E1CFE-2AE4-4A67-B4D4- 2D2E13765715.html
Q23. A customer has Cisco Nexus 1000V switches in their environment and is looking at deploying NSX
Which statement is correct?
A. The environment must be migrated from the Nexus 1000V to vSphere Distributed Switches.
B. The environment must be configured for VXLAN over the Nexus 1000V.
C. The environment can use the Nexus 1000V switches for the NSX deployment.
D. The environment must be migrated from the Nexus 1000V to vSphere Standard Switches.
Answer: A
Q24. Which is a best practice to secure system traffic, ensure optimal performance and satisfy prerequisites for NSX?
A. Configure a single VMkernel and a single distributed port group for all the system traffic.
B. Configure a single distributed port group with a single VMkernel for Management and iSCSI traffic, a separate VMkernel for vMotion and VSAN traffic.
C. Dedicate separate VMkernel adapters for each type of system traffic. Dedicate separate distributed port groups for each VMkernel adapter and isolate the VLANs for each type of system traffic.
D. Dedicate separate VMkernel adapters for each type ofsystem traffic and dedicate separate standard switches for each type of system traffic connected to a single physical network.
Answer: B
Q25. Exhibit:
Which would best describe a workload in Compute Cluster 1 attached to a logical switch port group?
A. Within Compute Cluster 1, Layer 2 would function, but Layer 3 would fail.
B. Within Compute Cluster 1, Layer 2 would fail, and Layer 3 would fail.
C. Within ComputeCluster 1, Layer 2 would fail, but Layer 3 would function.
D. Within Compute Cluster 1, Layer 2 would function, and Layer 3 would function.
Answer: A
Explanation:
This has an interesting side effect: if you didn’t add all clusters of a given DVS to the TZ, those clusters you haven’t added will still have access to that Logical Switch. Let’s have a look at the following diagram:
From <https://telecomoccasionally.wordpress.com/2014/12/27/nsx-for-vsphere- understanding-transport-zone-scoping/>
his means that in out hypothetical case, if we were to create a DLR and connect to it that
LS we’ve created earlier, DLR instance would get created on hosts in clusters Comp B and
Mgmt / Edge, but not on hosts in clusteCr omp A:
From <https://telecomoccasionally.wordpress.com/2014/12/27/nsx-for-vsphere-understanding-transport-zone-scoping/
Q26. What is the effect on NSX Edge virtual machines when NSX Edge high availability is configured but vSphere HA is NOT configured?
A. The active-standby NSX Edge pair will survive one failure. However, the virtual machines must reside on the same host to prevent NSX Edge availability from being compromised.
B. The active-standby NSX Edge HA pair will survive multiple failures.
C. The active-standby NSX Edge HA pair will survive one failure. However, if another failure happens before the second Edge appliance is restored, NSX Edge availability can be compromised.
D. The active-standby NSX Edge HA pair will survive two failures. However, the virtual machines must reside on two different hosts.
Answer: C
Q27. From the NSX Edge CLI, which command would show VIP statistics?
A. show service loadbalancer pool
B. show service loadbalancer virtual
C. show service loadbalancer monitor
D. show service loadbalancer
Answer: B
Explanation:
https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2122708
Q28. When specifying a source for a security rule, what is the purpose of the Negates Source check box?
A. IfNegate Sourceis selected, the rule is sent to only the objects identified under object type.
B. IfNegate Sourceis selected, the rule is applied to traffic coming from all sources except for the source identified under the object type.
C. IfNegate Sourceis not selected, the rule is applied to traffic comingfrom all sources except for the source identified under the object type.
D. ifNegate Sourceis not selected, the rule is sent to only the objects identified under the object type.
Answer: B
Reference: https://pubs.vmware.com/NSX-6/index.jsp?topic=%2Fcom.vmware.nsx.admin.doc%2FGUID-C7A0093A-4AFA-47EC- 9187-778BDDAD1C65.html
Q29. An NSX administrator is creating a filter as shown below.
What would be the purpose of creating a filter?
A. To quickly add a new rule.
B. To temporarily filter traffic.
C. To quickly remove a rule.
D. To quickly identify rules.
Answer: D
Q30. What are two things that should be done before upgrading from vCloud Networking and Security to NSX? (Choose two.)
A. Power off vShield Manager
B. Deploy NSX Manager virtualappliance
C. Uninstall vShield Data Security
D. Ensure that forward and reverse DNS is functional
Answer: C,D
Explanation:
Referencehttps://pubs.vmware.com/NSX- 62/index.jsp?topic=%2Fcom.vmware.nsx.upgrade.endpoint.doc%2FGUID-0D1B18B1-B5CC-483B-8BC0-95A2E8C025B9.html