DRAG DROP
You manage a Network Policy Server (NPS) infrastructure that contains four servers named NPSPRX01,
NPS01, NPS02, and NPS03. All servers run Microsoft Windows Server 2012 R2. NPSPRX01 is configured
as an NPS proxy. NPS01, NPS02, and NPS03 are members of a remote RADIUS server group named GR01.
GR01 is configured as shown below:
You need to ensure that authentication requests are identified even when a server is unavailable.
If a given server is unavailable, which percentage of authentication requests will another server manage?
To answer, drag the appropriate value to the correct scenario. Each value may be used once, more than
once, or not at all. You may need to drag the split bar between panes or scroll to view content.
Answer: See the explanation
Explanation:
Box 1: 95%Box 2: 5%
Box 3: 0%
Box 4: 0%
Note:
* From the exhibit we have:
NPS01: weight 30, priority: 5
NPS02: weight 50, priority: 90
NPS03: weight 20, priority: 5
Box 3: If NPS03 is unavailable it cannot handle any requests.
Box 4: NPS04 is not mentioned in this question.
* Priority. Priority specifies the order of importance of the RADIUS server to the NPS proxy server.
Priority level must be assigned a value that is an integer, such as 1, 2, or 3. The lower the number, the
higher priority the NPS proxy gives to the RADIUS server. For example, if the RADIUS server is assigned
the highest priority of 1, the NPS proxy sends connection requests to the RADIUS server first; if servers
with priority 1 are not available, NPS then sends connection requests to RADIUS servers with priority 2,
and so on. You can assign the same priority to multiple RADIUS servers, and then use the Weight setting
to load balance between them.
* Weight. NPS uses this Weight setting to determine how many connection requests to send to each
group member when the group members have the same priority level. Weight setting must be assigned
a value between 1 and 100, and the value represents a percentage of 100 percent. For example, if the
remote RADIUS server group contains two members that both have a priority level of 1 and a weight
rating of 50, the NPS proxy forwards 50 percent of the connection requests to each RADIUS server.
Load Balancing with NPS Proxy
https://technet.microsoft.com/en-us/library/dd197433(v=ws.10).aspx
The exhibit:
NPS01: weight 30, priority: 5
NPS02: weight 50, priority: 90
NPS03: weight 20, priority: 5
Box 3: 0%
Box 4: 0%
are obviously correct.
Box 1: 95%
Box 2: 5%
are wrong.
It sounds like the answers are referred to “priority” instead of “weight”.
https://technet.microsoft.com/en-us/library/dd197433%28v=ws.10%29.aspx
“…if the RADIUS server is assigned the highest priority of 1, the NPS proxy sends connection requests to the RADIUS server first; if servers with priority 1 are not available, NPS then sends connection requests to RADIUS servers with priority 2, and so on….”
So requests (100%) are balanced between NPS01 and NPS03 (same priority). NPS02 will receive requests only if NPS01 and NPS03 are offline.
I think correct answer are:
Box 1:100% (response unavailable)
Box 2: 0%
I think that the values proposed in the answer area are incorrect (maybe a wrong image).
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Found this question in my exam (passed today).
The options availables were:
0%
50%
100%
and others values that I can’t remember.
in box 3 NPS3 when NPS1 is unavailable
in box 4 NPS3 when NPS2 is unavailable
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The lower the priority the higher the load . Priority is evaluated first incase of a tie weight becomes relevant. server 2 is only relevant if the server 1 and server 3 are down.
if server 1 is down server 3 handles all
if server 3 is down server 1 handles all
if server 2 goes down no change
with all servers running server 1 handles 60 percent ( 30/(30+20)*100% )
while server 3 handles 40 percent ( 20/(20+30)*100% )
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I failed this exam on 24/03/17, this question was on the test. Although had different scenarios. Can I remember them or if the selections were different. I have been reading through the technet article and agree with your vader66. But I cannot recall if 40 + 60% were choices.
https://technet.microsoft.com/en-us/library/dd197433%28v=ws.10%29.aspx
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100% PRIORIDADE MAIS BAIXA QUE NPS02
0% PRIORIDADE MAIS ALTA QUE NPS01
0% NÃO TEM PRIORIDADE DE ELE MESMO CAIR
0% NÃO VI NPS04 NA QUESTÃO.
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