Dell Technologies VxRail Design (D-VXR-DS-01) Certification Sample Questions

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Dell Technologies D-VXR-DS-01 Sample Questions:

01. An airline's booking workload on a vSAN OSA VxRail stretched cluster generates a peak of 15,000 writes per second at 4 KB each, which is about 480 Mbps of write throughput. Using Broadcom's sizing method, what inter-site bandwidth requirement should the design record for this workload?

a) About 600 Mbps

b) About 672 Mbps

c) About 480 Mbps

d) About 840 Mbps

02. A logistics firm is deploying a VxRail stretched cluster across two campus data centers. Its ERP system is the most critical workload, and the main risk raised in the review is a failure of the link between the two sites. Where should the ERP VMs normally run?

a) Split evenly so half of the ERP VMs survive a link failure

b) On the site configured as the preferred site

c) On the secondary site, which vSAN keeps active if the link fails

d) On whichever site has the shorter network path to the witness

03. A manufacturer's VxRail nodes will each have two 10 GbE onboard ports and two 25 GbE PCIe ports, and the design uses a custom network profile across all four. The plant's production analytics depend heavily on vSAN performance. Which uplink assignment follows Dell's guidance?

a) vSAN on the 25 GbE uplinks, low-impact networks on the 10 GbE uplinks

b) Management on the 25 GbE uplinks so that the cluster stays manageable under load

c) vSAN on the 10 GbE uplinks, with vMotion and guest traffic on the 25 GbE uplinks

d) Every network spread evenly over all four mixed-speed uplinks

04. A telecom provider wants auto-assigned ESXi hostnames for a new VxRail cluster. The entries are prefix esx, separator -, iterator Num 0X, an empty offset, no suffix, and domain corp.example. What is the first ESXi hostname?

a) esx-1.corp.example

b) esx01.corp.example

c) esx-01.corp.example

d) esx-a.corp.example

05. A water utility's operational-technology network is isolated by regulation and blocks all access to external networks. The utility asks whether a VxRail cluster can be deployed there and what it should plan for. Which statements should the designer record as consequences of this requirement?

(Choose three)

a) VxRail cannot be deployed until a direct connection to Dell support sites is opened

b) Software updates must be downloaded separately and carried into the data center

c) Dell support can still reach the cluster through a secure connect gateway inside the isolated network

d) VxRail Manager stops applying vSphere HA when external access is blocked

e) VxRail can still be deployed and operated, though some features may need a workaround

f) Dell support personnel cannot open a remote session to troubleshoot the cluster

06. A property developer is designing two VxRail clusters: a 2-node cluster for a sales office and a stretched cluster across its two main data centers. The designer is deciding the witness traffic separation (WTS) entries for each. Which statements are correct?

(Choose three)

a) The stretched cluster must use WTS on the witness subnet

b) Each 2-node node needs a WTS address routable to the witness

c) The 2-node cluster requires a WTS network

d) The 2-node cluster can skip WTS if the witness is nearby

e) The stretched cluster can be built without WTS

f) WTS addresses are set on the witness and not on the nodes

07. A media company's VxRail design is complete except for the hostnames of VxRail Manager and the VxRail-managed vCenter Server, which are listed as "TBD" because the naming committee meets two weeks after the planned build date. The project manager proposes building with temporary names to keep the schedule. How should the architect respond?

a) Record final IP addresses now and leave the hostnames open, since only the IP addresses are fixed after the build

b) Build with temporary names, then update only the DNS records to the final names once the committee has decided

c) Build with temporary names, then rename the management components through VxRail Manager once the committee meets

d) Hold the build until final hostnames and IP addresses are recorded, because they cannot be changed after the initial build

08. An architect raises the vSAN failures to tolerate (FTT) setting while keeping RAID-1 mirroring as the failure tolerance method. How does this change affect the VxRail sizing?

a) More CPU and memory reserved for each VM

b) Same raw capacity consumed per VM as before

c) Less usable capacity from the same drives

d) Fewer nodes needed to host the same workload

09. A craft brewery wants a VxRail satellite node in its taproom now; its main production site already runs a VxRail cluster with local vSAN. The owner's plan is to buy a second node for the taproom next year and join it to the satellite node to form a cluster. Which statements should the designer make to the owner?

(Choose two)

a) The satellite node can join the production site's cluster later as a capacity node

b) If a cluster is the goal, a 2-node cluster should be planned from the start

c) A second satellite node can be paired with the first to form a 2-node cluster

d) A satellite node stays a single instance and cannot be reconfigured to join a cluster

e) The satellite node can be converted to a cluster once a witness host is added

10. A frozen-foods distributor will run a VxRail 2-node cluster at each of its 30 cold-storage depots. Every depot reaches headquarters over a regular T1 link, and change work at a depot is allowed only in a four-hour overnight window. The operations manager says the T1 links are already confirmed as adequate for the clusters. Which requirement should the designer still record before accepting the T1 links?

a) The upgrade file transfer time, which can reach about nine hours on a T1

b) A separate link for vSAN data traffic

c) The bandwidth for witness traffic during a node failover, since a T1 cannot carry a failover

d) No further requirement, since a T1 link meets every 2-node bandwidth need, upgrade transfers included

Answers:

Question: 01 Answer: d	Question: 02 Answer: b	Question: 03 Answer: a	Question: 04 Answer: c	Question: 05 Answer: b, e, f
Question: 06 Answer: b, c, e	Question: 07 Answer: d	Question: 08 Answer: c	Question: 09 Answer: b, d	Question: 10 Answer: a

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