 DELL DES-4421 : Specialist Implementation Engineer, PowerEdge MX Modular ExamExam Dumps Organized by Changchang
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Exam Number : DES-4421
Exam Name : Specialist Implementation Engineer, PowerEdge MX Modular
Vendor Name : DELL
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DES-4421 test
Format | DES-4421 Course Contents | DES-4421 Course Outline | DES-4421 test
Syllabus | DES-4421 test
Objectives
Certification Overview
This certification validates the ability to perform intermediate skill level tasks in
installing, configuring, maintaining and troubleshooting Dell EMC PowerEdge MX
Server products.
Certification Requirements
To complete the requirements for this certification you must:
1. Achieve one of the following Associate level certifications
Associate - PowerEdge Version 1.0
Dell Certified Associate PowerEdge
Dell Certified Professional PowerEdge
Specialist Implementation Engineer, PowerEdge Version 1.0
CompTIA Server+
This test
is a qualifying test
for the Specialist - Implementation Engineer,
PowerEdge MX Modular track.
This test
focuses on installing, configuring and managing the Dell EMC PowerEdge MX
server products.
Dell Technologies provides free practice tests to assess your knowledge in preparation
for the exam. Practice tests allow you to become familiar with the Topics and question
types you will find on the proctored exam. Your results on a practice test offer one
indication of how prepared you are for the proctored test
and can highlight Topics on
which you need to study and train further. A passing score on the practice test does not
guarantee a passing score on the certification exam.
Exam Topics
Topics likely to be covered on this test
include:
MX-Series Introduction (10%)
Describe MX7000 hardware chassis components and numbering schemes
Describe MX7000 compute and storage sled components
P Describe MX5016s storage sleds and configurations
MX7000 Management (38%)
Describe the MX Chassis Management Architecture and multi-chassis management groups
Describe key features of OME-M and how OME-M differs from OME
Describe storage sled management, Fabric C, mapping drives, and drive/enclosure assigned configuration
Describe use of slot profiles, daisy chains, simplification, and consolidation, logs, and the iDRAC Service Module
Describe how to perform firmware updates
Describe use of key features of iDRAC, touching on considerations specific to MX Modular, including resetting iDRAC
Explain usage and benefits of the Lifecycle Controller
Describe nature, use, and benefits of Redfish; Topics may include operational model, tree structure, RESTful API, available commands
MX Installation and Configuration (18%)
Explain the power-on process for the chassis and sleds
Explain the initial setup on an MX7000 including use of the left rack ear LCD panel
Describe the concepts for initial chassis configuration using the Chassis Deployment Wizard
Describe use of compute sleds, including location and supported operating systems
MX Networking (20%)
List minimum networking requirements based on capabilities of various MX7000 models
Describe the supported fabrics for Ethernet switches, taking into consideration various modes
Describe the differences between Full Switch mode and SmartFabric Mode
Describe how to perform an initial out-of-box setup using OME-M and OS 10 CLI
Describe the administrative functions available when two or more chassis are interconnected
Describe switching features on MX switches in Smart Fabric mode using OME-M
MX Troubleshooting (14%)
Describe how to use OME-M to collect logs, review status and alerts, and check system health
Describe troubleshooting procedures to resolve hardware issues
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DELL PowerEdge Practice Questions
The Dell EMC PowerEdge R750 turned into launched in March as Dell technologies revamped most of their server lineup with sparkling AMD and Intel fashions. The timing of the launch become a little abnormal as Dell desired to launch all of the programs collectively to show off the portfolio, however Intel hadn’t yet introduced Gen3 Xeon. That put our R750 assessment in a bit of limbo as neatly, considering that we had the pre-creation system, but no longer the last firmware or CPUs. All of it's sorted out now notwithstanding, read on for the complete performance assessment.
The Dell EMC PowerEdge R750 changed into launched in March as Dell technologies revamped most of their server lineup with sparkling AMD and Intel models. The timing of the launch became a bit bizarre as Dell wanted to launch the entire techniques collectively to sing their own praises the portfolio, but Intel hadn’t yet announced Gen3 Xeon. That put our R750 assessment in just a little of limbo as well, on the grounds that we had the pre-production device, however now not the remaining firmware or CPUs. All of that is sorted out now notwithstanding, study on for the entire efficiency contrast.
As we’ve previously written in extraordinary detail concerning the R750 and even did a video on our favourite components, we’ll pass forward during this assessment to the efficiency metrics. This evaluate equipment became shipped with midrange CPUs. We’ve upgraded these to 8380s, the desirable part within the Intel third Gen Xeon Scalable line. we've additionally equipped the R750 with Intel’s latest Gen4 SSDs, the P5510.
Dell EMC PowerEdge R750 Server requisites
Processor
Up to 2 3rd generation Intel Xeon Scalable processors, with up to forty cores per processor
memory
· 32 DDR4 DIMM slots, helps RDIMM 2 TB max or LRDIMM 8 TB max, accelerates to 3200 MT/s
· as much as sixteen Intel Persistent reminiscence 200 series (BPS) slots, 8TB max
· helps registered ECC DDR4 DIMMs handiest
Storage controllers
· inner controllers: PERC H745, HBA355I, S150, H345, H755, H755N
· Boot Optimized Storage Subsystem (BOSS-S2): HW RAID 2 x M.2 SSDs 240 GB or 480 GB
· external PERC (RAID): PERC H840, HBA355E
power Bays
front bays
· as much as 12 x three.5-inch SAS/SATA (HDD/SSD) max 192 TB
· up to eight x 2.5-inch NVMe (SSD) max 122.88 TB
· up to 16 x 2.5-inch SAS/SATA/NVMe (HDD/SSD) max 245.seventy six TB
· up to 24 x 2.5-inch SAS/SATA/NVMe (HDD/SSD) max 368.84 TB
Rear bays
· as much as 2 x 2.5-inch SAS/SATA/NVMe (HDD/SSD) max 30.seventy two TB
· up to 4 x 2.5-inch SAS/SATA/NVMe (HDD/SSD) max 61.forty four TB
energy supplies
· 800 W Platinum AC/240 HVDC
· 1100 W Titanium AC/240 HVDC
· 1400 W Platinum AC/240 HVDC
· 2400 W Platinum AC/240 HVDC
Cooling alternate options
Air cooling, not obligatory processor liquid cooling
lovers
· typical fan/excessive performance SLVR fan/high performance GOLD fan
· Up to 6 scorching plug fans
Dimensions
· top – 86.8 mm (three.41 inches)
· Width – 482 mm (18.ninety seven inches)
· Depth – 758.three mm (29.85 inches)
· without bezel 772.14 mm (30.39 inches) – with bezel
kind element2U rack server
Embedded controliDRAC9
· iDRAC service Module
· iDRAC Direct
· quick Sync 2 instant module
Bezel
optional liquid crystal display bezel or security bezel
OpenManage utility
· OpenManage business
· OpenManage vigour manager plugin
· OpenManage SupportAssist plugin
· OpenManage replace supervisor plugin
Mobility
OpenManage cellularIntegrations and Connections
OpenManage Integrations
· BMC Truesight
· Microsoft equipment center
· crimson Hat Ansible Modules
· VMware vCenter and vRealize Operations supervisor
OpenManage Connections
· IBM Tivoli Netcool/OMNIbus
· IBM Tivoli network supervisor IP version
· Micro focal point Operations supervisor
· Nagios Core
· Nagios XI
safety
· Cryptographically signed firmware
· comfortable Boot
· comfy Erase
· Silicon Root of believe
· gadget Lockdown (requires iDRAC9 business or Datacenter)
· TPM 1.2/2.0 FIPS, CC-TCG certified, TPM 2.0 China NationZ
Embedded NIC
2 x 1 GbE LOM
community alternatives
1 x OCP 3.0 (x8 PCIe lanes)
GPU options
Up to two double-width 300 W, or 4 single-width 150 W, or six single-width 75 W accelerators
Ports
front Ports
· 1 x dedicated iDRAC Direct micro-USB
· 1 x USB 2.0
· 1 x VGA
inside Ports
1 x USB three.0
Rear Ports
· 1 x USB 2.0
· 1 x Serial (not obligatory)
· 1 x USB 3.0
· 2 x RJ-45
· 1 x VGA (non-compulsory for liquid cooling configuration)
PCIe
up to 8 x PCIe Gen4 slots (up to six x16) with assist for SNAP I/O modules
working equipment and Hypervisors
· Canonical Ubuntu Server LTS
· Citrix Hypervisor
· Microsoft windows Server with Hyper-V
· purple Hat enterprise Linux
· SUSE Linux enterprise Server
· VMware ESXi
Dell EMC PowerEdge R750 Design and build
In our arms-on look on the R750 we gave readers a quick overview on its design. on the time we couldn’t focus on it too tons as Intel changed into nevertheless getting its act collectively round their new CPUs. Dell turned into satisfied to discuss their server at the time, but we have been constrained. As stated, the Dell EMC PowerEdge R750 is a 2U server. At a glance, the outside of the PowerEdge line has remained fairly constant in its general look throughout the remaining few years.
Taking the bezel off is the place issues beginning to get just a little distinct. There are 24 bays lining the front of the server, that may support PCIe Gen4 drives (for those who really need to, that you could also have the R750 equipped with three.5” bays for HDDs). The server carries the general vigor button, fame LEDs, USB port, VGA port, and iDRAC port on the entrance as well.
Flipping it over to its rear end, clients can add up to 4 greater 2.5” bays for even more NVMe storage. There are as much as 8 PCIe slots, six being x16. For networking there are two 1GbE ports. And most wonderful right here is entry to the BOSS card that allows clients to RAID together two M.2 SSDs for boot. The R750 helps SNAP I/O as an choice permitting a single x16 slot to bifurcate into 2 x8.
Opening it up, the primary factor one notices is the layout for cooling. These new CPUs need to be cooled. as a substitute of rehashing it here, try Brian’s description of the cooling. There are 4 risers that cover the cooling, however they provide users all of the rear I/O described above.
Dell EMC PowerEdge R750 efficiency
Dell EMC PowerEdge R750 configuration:
2 x 8380 Intel third Gen Intel Xeon Scalable CPUs
32 x 32GB DDR4 3200MHz
eight x Intel P5510 3.84TB Gen4 SSDs
ESXi 7.0u1
CentOS eight.2
SQL Server performance
StorageReview’s Microsoft SQL Server OLTP trying out protocol employs the present draft of the Transaction Processing performance Council’s Benchmark C (TPC-C), an internet transaction processing benchmark that simulates the activities found in complicated utility environments. The TPC-C benchmark comes closer than synthetic performance benchmarks to gauging the efficiency strengths and bottlenecks of storage infrastructure in database environments.
every SQL Server VM is configured with two vDisks: 100GB quantity for boot and a 500GB extent for the database and log info. From a device aid perspective, we configured every VM with sixteen vCPUs, 64GB of DRAM and leveraged the LSI logic SAS SCSI controller. while our Sysbench workloads tested previously saturated the platform in each storage I/O and potential, the SQL look at various appears for latency efficiency.
SQL Server testing Configuration (per VM)
windows Server 2012 R2
Storage Footprint: 600GB allocated, 500GB used
SQL Server 2014
Database measurement: 1,500 scale
digital customer Load: 15,000
RAM Buffer: 48GB
2.5 hours preconditioning
half-hour trial
length
For SQL Server regular latency, the Dell EMC PowerEdge R750 maintained 1ms latency during with 8VM.
Sysbench MySQL performance
Our first native-storage utility benchmark contains a Percona MySQL OLTP database measured by way of SysBench. This verify measures typical TPS (Transactions Per second), commonplace latency, and general 99th percentile latency as well.
every Sysbench VM is configured with three vDisks: one for boot (~92GB), one with the pre-built database (~447GB), and the third for the database beneath look at various (270GB). From a gadget useful resource point of view, we configured each and every VM with sixteen vCPUs, 60GB of DRAM and leveraged the LSI logic SAS SCSI controller.
Sysbench checking out Configuration (per VM)
CentOS 6.3 64-bit
Percona XtraDB 5.5.30-rel30.1
Database dimension: 10,000,000
Database Threads: 32
RAM Buffer: 24GB
2 hours preconditioning 32 threads
1 hour 32 threads
With the Sysbench OLTP, we recorded an combination score of 29,174 TPS for 8VMs with particular person VMs starting from three,631 to three,665 TPS. With 16VM we noticed an combination score of 26,838 TPS with individual VMs ranging from 1,662 to 1,690 TPS. Tapering down as the load increases isn’t that exclusive, as we’ve viewed it as many structures reach an over-saturation element. probably the most unique observations notwithstanding is simply how high the 8380 CPUs operate with a lessen workload, where other CPU designs tend to need many simultaneous workloads going to reach full performance.
With regular latency, 8VM gave us an aggregate of eight.77ms with particular person VMs starting from eight.73ms to 8.81ms. 16VM had an aggregate of 19.1ms with single VMs operating from 18.87ms to 19.24ms.
In our worst-case situation, 99th percentile, latency the 8VM hit an combination of 15.2ms and the 16VM hit an combination of 35.4ms.
VDBench Workload analysis
When it comes to benchmarking storage contraptions, utility trying out is finest, and synthetic checking out comes in 2d area. whereas no longer an ideal illustration of genuine workloads, synthetic tests do support to baseline storage gadgets with a repeatability factor that makes it convenient to do apples-to-apples assessment between competing options.
These workloads present various distinctive testing profiles ranging from “4 corners” tests, usual database transfer dimension assessments, in addition to trace captures from diverse VDI environments. All of those exams leverage the ordinary vdBench workload generator, with a scripting engine to automate and trap consequences over a huge compute testing cluster. This enables us to repeat the same workloads throughout a wide range of storage instruments, including flash arrays and individual storage devices.
Profiles:
4K Random read: a hundred% study, 128 threads, 0-a hundred and twenty% iorate
4K Random Write: a hundred% Write, 128 threads, 0-one hundred twenty% iorate
64K Sequential examine: one hundred% read, 32 threads, 0-a hundred and twenty% iorate
64K Sequential Write: 100% Write, 16 threads, 0-120% iorate
artificial Database: SQL and Oracle
VDI Full Clone and Linked Clone Traces
random 4K examine, the Dell EMC PowerEdge R750 begun under 100µs and stayed there unless about 2.85 million IOPS and went on to top at 5,686,821 IOPS and a latency of 608µs.
4K random write noticed an amazing delivery with the latency being best 15.1µs and staying beneath 100µs until the server broke three million IOPS. The R750 peaked at 3,444,352 IOPS and a latency of 986µs.
Switching over to 64K sequential, in examine we noticed the R750 peak at 644,315 IOPS or 40.3GB/s at a latency of 396µs.
With 64K write the server gave us a top efficiency of 252,742 IOPS or 15.8GB/s at a latency of 939µs.
subsequent up are our SQL workloads, SQL, SQL ninety-10, and SQL 80-20. With SQL, the Dell EMC PowerEdge R750 started at eighty oneµs and stayed beneath a hundredµs unless about 1 million IOPS. The server went on to peak at 1,795,914 IOPS with a latency of 141µs.
In SQL 90-10 the server began with very low latency another time (74µs) and stayed below one hundredµs until about 1.2 million IOPS earlier than happening to peak at 1,964,961 IOPS and a latency of 129µs.
SQL eighty-20 begun at seventy oneµs latency and went on to top at 1,854,051 IOPS and a latency of 136µs.
Now we movement on to our Oracle workloads, Oracle, Oracle 90-10, and Oracle 80-20. With Oracle, the R750 proceed with its low latency delivery (67µs) and went on to peak at 1,970,078 IOPS with 128µs for latency.
For Oracle 90-10 the server had sub-a hundredµs latency efficiency for many of the run and peaked at 1,690,353 IOPS and a latency of just 103µs.
Oracle 80-20 once more noticed the R750 run the majority of the benchmark with sub-a hundredµs latency efficiency. here we saw a top of 1,639,511 IOPS and a latency of 106µs.
next, we switched over to our VDI clone examine, Full and Linked. For VDI Full Clone (FC) Boot, the Dell EMC PowerEdge R750 peaked at 1,465,986 IOPS at a latency of just 172µs before dropping off flippantly.
In VDI FC preliminary Login the server stayed beneath one hundredµs for roughly three-quarters of the benchmark earlier than peaking at 763,187 IOPS with a latency of 189µs.
VDI FC Monday Login had the sever dwell beneath one hundredµs unless about 318K IOPS and went on to top at 653,534 IOPS with a latency of 148µs.
subsequent, we study VDI Linked Clone (LC) exams. beginning with boot, the server had a peak of 543,273 IOPS with a latency of 194µs.
VDI LC initial Login noticed the R750 delivery at a latency of simplest 86µs after which happening to top at 344,327 IOPS and a latency of 136µs.
eventually, with VDI LC Monday Login we saw a top ranking of 477,877 IOPS and a latency of 189µs.
Conclusion
feels like déjà vu writing this evaluate, but as we spoke of the Dell EMC PowerEdge R750 is a 2U, twin-proc server that takes full knowledge of the latest Intel 3rd Gen Xeon Scalable processors. With the brand new processors comes the support for issues just like the new PMem modules and PCIe Gen4, which presents much quicker performance than Gen3 slots. We took capabilities of Gen4 in this evaluation on the storage end. other than throwing Intel Gen4 SSDs in the device as we did, there are a few other ways that storage can be configured. The R750 has additionally introduced hardware NVMe RAID to market via a new PERC11 card, whatever thing that up to now changed into somewhat the problem. The server is packed to the brim but additionally has a fairly nifty cooling layout to retain every little thing humming alongside easily, devoid of extreme airflow or scorching spots.
For efficiency, we ran the Dell EMC PowerEdge R750 through each our software Workload evaluation and VDBench workloads. In SQL Server usual latency, the server changed into in a position to dangle 1ms latency across 8VMs. For Sysbench the 8VM setup had mixture scores of 29,174 TPS, a normal latency of eight.77ms, and worst-case situation latency of 15.2ms. With 16VM we noticed combination rankings of 26,838 TPS, 19.1ms for standard latency, and 35.4ms for worst-case situation latency. So it curved down a little below a better load, however the 8VM efficiency is really staggering, which is without doubt one of the maximum 8VM aggregates we’ve recorded.
The R750 showed very powerful, low latency efficiency in VDBench. Highlights consist of 5.7 million IOPS in 4K study, three.four million IOPS in 4K write, 40.3GB/s in 64K read, and 15.8GB/s in 64K write. In our SQL workloads, we saw peaks of 1.eight million IOPS, 1.ninety six million IOPS in SQL 90-10, and 1.85 million IOPS in SQL 80-20. In our Oracle workloads, we noticed peaks of 1.ninety seven million IOPS, 1.69 million IOPS in Oracle 90-10, and 1.6 million IOPS in Oracle eighty-20. In VDI Full Clone we saw a boot of 1.forty seven million IOPS, an initial Login of 763K IOPS, and a Monday Login of 654K IOPS. In VDI Linked Clone we saw 543K IOPS in boot, 344K IOPS in preliminary Login, and 478K IOPS in Monday Login.
The Dell EMC PowerEdge R750 surpassed our expectations in efficiency. it is nice to peer the new era of Intel-primarily based servers eventually come out and display the realm what they could do. whereas core counts are nevertheless lower than its rival, the Intel third Gen Xeon Scalable processors do have merits in PMEM help and different areas. now not best was the R750 a efficiency powerhouse, however also came with a phenomenal redecorate, peculiarly around airflow and NVMe RAID. There’s additionally the new BOSS drives and legendary iDRAC management. We may go on, but because of these highlights, we're proud to supply the Dell EMC PowerEdge R750 our 2021 Editor’s option Award.
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