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Exam 156-315.80 topic 1 question 195 discussion

Actual exam question from Checkpoint's 156-315.80
Question #: 195
Topic #: 1
[All 156-315.80 Questions]

What is mandatory for ClusterXL to work properly?

  • A. The number of cores must be the same on every participating cluster node
  • B. The Magic MAC number must be unique per cluster node
  • C. The Sync interface must not have an IP address configured
  • D. If you have ג€Non-monitored Privateג€ interfaces, the number of those interfaces must be the same on all cluster members
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️

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vhick
Highly Voted 4 years, 9 months ago
Correct answer is A
upvoted 19 times
wongex23
4 years, 5 months ago
I think no. If need add cluster having more core than the original one, CP is going to adjust the New Cluster CP to the same core count as the original one using. Actually, there is another question asking for this also.
upvoted 1 times
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dkx0stv
3 years, 10 months ago
I agree. B doesn't make sense, as Magic MACs must be identical for all members of a cluster.
upvoted 2 times
dkx0stv
3 years, 10 months ago
(Agree with vhick that it's answer A.)
upvoted 2 times
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j0ej0e
Highly Voted 2 years, 11 months ago
Answer is A as mentioned here : Therefore, in order to avoid unexpected behavior, ClusterXL is supported only between machines with identical CPU characteristics https://sc1.checkpoint.com/documents/R80.30/WebAdminGuides/EN/CP_R80.30_ClusterXL_AdminGuide/html_frameset.htm?topic=documents/R80.30/WebAdminGuides/EN/CP_R80.30_ClusterXL_AdminGuide/211307
upvoted 5 times
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bigfootqp
Most Recent 8 months, 1 week ago
Selected Answer: A
Number of CoreXLClosed Firewall instances on all Cluster Members must be the same https://sc1.checkpoint.com/documents/R81.10/WebAdminGuides/EN/CP_R81.10_ClusterXL_AdminGuide/Topics-CXLG/ClusterXL-Requirements-and-Compatibility.htm
upvoted 1 times
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jokerbbs
1 year, 1 month ago
The magic number must be uniq per Cluster, but the same between the according notes!
upvoted 1 times
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JNyquist
1 year, 8 months ago
Selected Answer: A
It’s absolutely NOT B as like some of you already pointed out, Magic MAC can NOT be different on different modules in the same cluster. It does though need to be unique/different on modules of DIFFERENT CLUSTERS within the same network!!!
upvoted 1 times
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Hernan_Mella
1 year, 8 months ago
For A: Cores is not the same as corexl instances, you can have different cores but must to configure same instances
upvoted 1 times
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herickgervasio
2 years ago
Selected Answer: A
Correct answer is A fot too
upvoted 1 times
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lordlich
2 years, 2 months ago
A should be the answer
upvoted 1 times
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Zabuza
2 years, 7 months ago
A is the answer
upvoted 1 times
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zuzika
3 years, 3 months ago
A - All Cluster Members must run on identically configured hardware platforms.
upvoted 3 times
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Aychi
3 years, 5 months ago
The Magic MAC number must be the same and identicall in all Cluster nodes A is the correct Answer
upvoted 2 times
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Berzerk
3 years, 8 months ago
Tricky question: If unique = different (I do not think that unique = identical), B is not the correct answer because Magic MAC number (or cluster ID) should be the same for each cluster node (member), otherwise, each node runs as a member of a different cluster into the same network segment. A is correct because, if cluster nodes (members) have different number of cores configured, one member will be active, an the other member gets stuck into "Ready" state ando never joins the cluster properly until number of cores get paired on both cluster members.
upvoted 2 times
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bobby14
3 years, 8 months ago
Magic MAC must be unique or identical per cluster node, that is correct. Good answer is B
upvoted 1 times
NLT
2 years, 11 months ago
Do you know the difference between unique and identical, dude?
upvoted 4 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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