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Exam SK0-005 topic 1 question 104 discussion

Actual exam question from CompTIA's SK0-005
Question #: 104
Topic #: 1
[All SK0-005 Questions]

SIMULATION -
A recent power outage caused email services to go down. A server administrator also received averts from the datacenter's UPS.
After some investigation, the server administrator learned that each PDU was rated at a maximum of 12A.

Instructions -
Ensure power redundancy is implemented throughout each rack and UPS alarms are resolved. Ensure the maximum potential PDU consumption does not exceed
80% (or 9.6A).
a. PDU selections must be changed using the penal icon.
b. VM Hosts 1 and 2 and Mall Relay can be moved between racks. c. Certain devices contain additional details.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.













Show Suggested Answer Hide Answer
Suggested Answer: See explanation below.
1. Mailrelay - Keep the mail relay on the existing Rack1 and change the primary power supply to PDU-B and Failover powersupply as PDU B.
2. Move the VM Host 1 and VM Host2 to Rack2.
Assign primary power supply PDU A to VM host1
Assign Failover power supply PDU B to VM host1
Assign primary power supply PDU B to VM host2
Assign Failover power supply PDU A to VM host2
by lordguck at Nov. 25, 2022, 6:58 p.m.

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lordguck
Highly Voted 2 years, 8 months ago
1. The proposed solution is wrong, as it seems, you can't change primary/secondary PDU selection on the static installments of the switches,SAN and DC. That gives PDU1 of Rack 2 a remaining capacity of 4.6A, which does not allow HOST1 (6A) to use it as primary power source (9.6A target). 2. There is no solution in case of a PDU failure in Rack 1. The combined power needed will exceed the max 12A in every case. My solution: VM Host1 -> Rack1, Primary PDU B, secondary A VM Host2 Primary PDU B, Secondary A MailRelay -> Rack2 PDU A, Secondary B This makes Rack1 13A: PDU1 7A, PDU2 6A <!FAIL in case PDU2 or PDU1 go down. Rack2 12A: PDU1 6A, PDU2 6A
upvoted 12 times
Booboo112
2 years, 5 months ago
So vm host2 goes to rack 2?
upvoted 2 times
LUCIF4RSD
9 months, 3 weeks ago
This is the correct answer. I took the exam yesterday. Rack1 Vm1 - primary A secondary B Rack 2 VM 2- primary A secondary B Mail - both A B can use but (primary B secondary A looks smoother)
upvoted 2 times
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samiraninside
2 years, 1 month ago
We need to make utilization at 80% that is 9.6 A which seems impossible as static loads are using 12 A from PDU1 itself. PDU2 is still doable. But I am not getting for PDU1
upvoted 1 times
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Fart2023
Most Recent 1 year ago
My answer: Rack 1: SW1 (2A), pduA/pduB VM1 (6A), pduA/pduB MAIL (1A), pduB/pduA Rack1 PDU A: 13A MAX, normal load: 8A Rack1 PDU B: 13A MAX, normal load: 7A Max shutdown time: 70mins Rack 2: SW2 (2A), pduA/pduB SAN (5A), pduA/pduB DC (3A), pduB/pduA VM2 (6A), pduB/pduA Rack2 PDU A: 12A MAX, normal load: 7A Rack2 PDU B: 12A MAX, normal load: 9A Max shutdown time: 65mins
upvoted 2 times
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error77
1 year, 6 months ago
Rack1: SW1 (2A), pduA/pduB SAN (5A), pduA/pduB VM1 (6A), pduB/pduA Rack1 PDU A: 13A MAX, normal load: 7A Rack1 PDU B: 13A MAX, normal load: 6A max shutdown time: 55mins Rack2: SW2 (2A), pduA/pduB DC (3A), pduA/pduB MAIL (1A), pduA/pduB VM2 (6A), pduB/pduA Rack2 PDU A: 12A MAX, normal load: 6A Rack2 PDU B: 12A MAX, normal load: 6A max shutdown time: 65mins
upvoted 3 times
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MrS
2 years, 1 month ago
Click on the panel icon of PDU 1 in Rack 1. Change the PDU selection from A to B. This will balance the power load between UPS A and UPS B and resolve the alarm on UPS A. Click on the panel icon of PDU 2 in Rack 2. Change the PDU selection from A to B. This will balance the power load between UPS A and UPS B and resolve the alarm on UPS B. Click on VM Host 1 in Rack 1 and drag it to Rack 2. Drop it below VM Host 2. This will reduce the power consumption of PDU 1 in Rack 1 from 10A to 6A, which is below the 80% threshold of 9.6A. Click on Mail Relay in Rack 2 and drag it to Rack 1. Drop it below Firewall. This will increase the power consumption of PDU 1 in Rack 1 from 6A to 8A, which is still below the 80% threshold of 9.6A, and reduce the power consumption of PDU 2 in Rack 2 from 10A to 8A, which is also below the 80% threshold of 9.6A.
upvoted 1 times
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Dingos
2 years, 3 months ago
What about? Rack 1: SW1 (15min), VM Host 1 (20 min), Mail Relay (10min), SAN (20min) = 65 min shutdown Rack 2: SW2 (15min), VM Host 2 (20 min), DC (20min) = 55 min shutdown Rack 1: PDU A primary: SW1 (2A), SAN (5A) = 7A PDU B primary: Mail Relay (1A), VM Host 1 (6A) = 7A Rack 2: PDU A primary: SW2 (2A), DC (3A) = 5A PDU B primary: VM Host 2 (6A) = 6A
upvoted 2 times
Dingos
2 years, 3 months ago
Rack 1: PDU A primary: SAN (5A), SW1 (2A) PDU A secondary: Mail Relay (1A), VM Host 1 (6A) PDU B primary: SAN (5A), SW1 (2A) PDU B secondary: Mail Relay (1A), VM Host 1 (6A) Rack 2: PDU A primary: DC (3A), SW2 (2A) PDU A secondary: VM Host 2 (6A) PDU B primary: DC (3A), SW2 (2A) PDU B secondary: VM Host 2 (6A)
upvoted 1 times
error77
1 year, 6 months ago
Your PDU in rack 1 would exceed 13A (14A), if one of the PDUs fail. Move the mail server to rack 2 to balance the load.
upvoted 1 times
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billysunshine
2 years, 3 months ago
what answer ARE comptia looking for in this sim!?
upvoted 2 times
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