VMware 2V0-641 Question Answer

Which two statements are true regarding NSX High Availability? (Choose two.)

A. NSX HA is configured as Active-Active.
B. NSX HA is configured as Active-Standby.
C. If an Active node fails, there is no service interruption during failover.
D. If an Active node fails, there is a 15 second service interruption during failover.

Answer: BC


Where does the Distributed Logical Firewall enforce firewall rules?

A. At the Virtual Machine's virtual Network Interface Card (vNIC).
B. At the Logical Switch virtual port that the Virtual Machine connects to.
C. At the NSX Controller's firewall kernel module.
D. At the ESXi host vmnic used by the vSphere Distributed Switch.

Answer: A

VMware 2V0-641 Question Answer

An administrator manages a TFTP server virtual machine that is connected to a Logical Switch with a VNI of 7321. The TFTP server has been configured to use port 1069. An NSX Edge Service Gateway is connected to VNI 7321 and has an uplink interface with access to the physical network. Assume external users can reach the Service Gateway. What should the administrator configure to ensure external connections to the TFTP server are successful?

A. Create a DNAT rule with the original port of 69 and translated port of 1069
B. Create a SNAT rule with the original port of 1069 and translated port of 69.
C. Create a SNAT rule with the original port of 69 and translated port of 1069.
D. Create a DNAT rule with the original port of 1069 and translated port of 69.

Answer: A



Which two actions take place when an active NSX Edge instance fails? (Choose two.)

A. Once the original NSX Edge instance is recovered, it preempts the other NSX Edge instance and takes over the active role.
B. The standby NSX Edge instance becomes the active instance and requests routing updates from the routing neighbors.
C. Once the original NSX Edge instance is recovered, the NSX Manager attempts to place it on a different host from the other NSX Edge instance.
D. The standby NSX Edge instance becomes the active instance and retains any routing neighbor adjacencies.

Answer: CD

Azure Site Recovery Deployment Planner for VMware and Hyper-V

Finally, Microsoft launched the Azure Site Recovery (ASR) planner to help you understand, design and scale your disaster recovery (DR) solutions in Azure for local deployments of VMware and Hyper-V.

Background

The process of enabling replication of a virtual machine in Azure is very simple. Actually, it is the first practical lab that my students do when I come to ASR. What is more complicated is understanding what is already implemented, determining what to implement in Azure, and sizing the bandwidth requirements.

Ah! The question always present in the cloud: "How much bandwidth do I need?" In the case of ASR or any DR solution / service, the only answer is: "You need everything you need." Few are always happy with that answer, as you can imagine. The bandwidth requirements are divided as follows:

•     Initial synchronization: the initial synchronization is when you use the most amount of bandwidth; it will gradually add virtual machines to the ASR service and each VM will completely copy its disks to the cloud.
•     Replication: each virtual machine goes from initial synchronization to replication once the initial synchronization has finished. VMware and physical machines use continuous asynchronous replication and Hyper-V virtual machines use interval-based asynchronous replication based on a policy you define (every 30 seconds, 5 or 15 minutes) and associate it with virtual machines.

The initial synchronization will probably take a long time to complete, from machine 1 to the last machine. How much time is a matter of how much data you need to copy compared to how much bandwidth you have available. In the long term, your bandwidth requirements are dictated by the loss of data; the changes should be replicated soon after (asynchronous replication) and the changes are confirmed in the local storage.

Until now, we did not have excellent tools to estimate bandwidth requirements or other requirements, such as storage accounts (level and performance). A tool based on a spreadsheet called Azure Site Recovery Capacity Planner could take information from other Hyper-V / VMware monitoring tools, but that required a lot of manual effort. I do not know any of my clients who use the tools.

On March 1, Microsoft released a preview for a new tool that was only compatible with VMware, the ASR deployment planner for VMware. This was a tool that scanned / monitored our local environment and produced a report that dimensioned and helped to plan the DR site. Now we had something we needed ... more or less. It was supposed that a Hyper-V launch would come soon after ... and it did not happen that way. Ignite (end of September) came and went too. But in December, Microsoft made the tool generally available with support for VMware and Hyper-V.

What the ASR deployment planner does

The ASR implementation scheduler connects to your hosts to collect data. Note that there is nothing installed in the virtual machines and it is not necessary to implement any ASR component. The data that is collected allows the tool to generate a report with a lot of information and recommendations, which include:

•     Compatibility: Are the configuration of the virtual machine and the guest operating system compatible with Azure and ASR?
•     Bandwidth: the amount of bandwidth required for replication and how this bandwidth affects the desired recovery point objective (RPO: the amount of data lost after failover).
•     Azure infrastructure requirements: the amount and level of storage accounts required to maintain the required performance of the failed virtual machines. It is also provided with guidance on the required number of cores (subscription limits) and series / sizes of virtual machines (optionally configured after the initial synchronization is completed).
•     Local infrastructure requirements: Hyper-V replication is based on Hyper-V Replica, which consumes storage for Hyper-V (HRL) replication log files. VMware customers will receive guidance on the configuration / process server requirements.
•     Initial synchronization: The more machines you add to replication at the same time, the worse the bandwidth will be. The tool will make recommendations about the size of the batch versus the available bandwidth.

   
Cost analysis: an estimate of the costs of Azure will be generated.

The addition of this tool should make it easier to plan ASR implementations, but you should still have a good understanding of:

•       What to replicate versus what not to replicate and what should be implemented with application layer replication over network connections from site to site
•       What you should pre-deploy in the DR virtual network
•       What you should pre-deploy in any sandbox test virtual failover network

VMware 2V0-641 Question Answer

Which statement is true regarding an NSX Edge gateway device configured with a DNS Server?

A. The NSX Edge will forward all DNS requests from virtual machines sent to it to the DNS Server.
B. The NSX Edge configuration will override the DNS Server configured by the NSX Manager.
C. The NSX Edge registers the DNS Server with the NSX Controller.
D. The NSX Edge periodically synchronizes its DNS tables with the primary DNS Server.

Answer: A


An NSX Edge Service Gateway has two interfaces:
Internal interface named Internal Access
-- IP address = 10.10.10.1
-- Network mask = 255.255.255.0
Uplink interface named Physical Uplink
-- IP address = 20.20.20.1
-- Network mask = 255.255.255.0
A vSphere administrator wants to add a SNAT rule to allow traffic from the internal network segment to access external resources via the uplink interface. Which three steps should the vSphere administrator do to add the SNAT rule? (Choose three.)

A. Apply the SNAT rule to the Internal Access interface.
B. Select 10.10.10.1 as the translated source IP.
C. Apply the SNAT rule on the Physical Uplink interface.
D. Select 10.10.10.0/24 as the original subnet.
E. Choose 20.20.20.2 as the translated source IP.

Answer: CDE

Hitachi Data Systems Wins Two VMware Innovation OEM Partner of the Year Awards

Hitachi Data Systems (HDS) has been honored with two VMware Partner of the Year awards in the OEM Partner Innovation category for its outstanding global and EMEA efforts in the 2017 VMware Partner Leadership Summit.

The two awards recognize the company's achievements in 2016, including unprecedented year-over-year revenue growth and continued integration between UCP and VMware vSphere, vSAN, vRealize and NSX offerings.

In addition, with its next generation concept of programmable data centers, HDS enables customers to consume IT services and data from traditional and native native workloads, responding to the needs of the entire application portfolio.

"Digital transformation requires a modern and agile IT environment to take advantage of emerging trends and requirements," said Mike Walkey, senior vice president, Global Partner Organization, Hitachi Data Systems. In collaboration with VMware, we have focused on engineering new ways to deliver capabilities that meet customers' business objectives, reduce business risk, and anticipate future customer needs.

"We appreciate recognition for all we have achieved over the past year and look forward to expanding our success with VMware to help customers realize the power of their data for today and tomorrow," he said.

VMware 2V0-641 Question Answer

A company has augmented its Data Center infrastructure by using vCloud Hybrid Service during peak hours. The company wants to extend their existing subnets into the cloud while workloads retain their existing IP addresses. The virtual machines in these subnets use an NSX Edge Gateway as their default gateway. Which solution should this company use?

A. Layer 2 VPN
B. MPLS VPN
C. IPSec VPN
D. SSL VPN

Answer: A

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