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Oracle Exam 1Z0-902 Topic 8 Question 46 Discussion

Actual exam question for Oracle's 1Z0-902 exam
Question #: 46
Topic #: 8
[All 1Z0-902 Questions]

How is Exadata Secure RDMA Fabric isolation used in X9M-2 with virtualization enabled?

Show Suggested Answer Hide Answer
Suggested Answer: D

Exadata Secure RDMA Fabric isolation is a feature that allows you to use virtualization on the X9M-2 platform while maintaining security and isolation between multiple tenants or VM clusters. Secure Fabric isolation works by creating a dedicated network partition and VLAN ID for each Database VM cluster, which is used for cluster networking between the database servers in the VM Cluster. This ensures that the network traffic of each VM cluster is isolated from the others, and it prevents unauthorized access to the data or resources of other VM clusters. Secure Fabric isolation can also be used for other purposes such as client networking, Data Guard traffic, but it's mainly used to provide security and isolation between multiple tenants or VM clusters.

According to Oracle's documentation1, Exadata Secure RDMA Fabric Isolation is a feature that enables strict network isolation for Oracle Real Application Clusters (Oracle RAC) clusters on Exadata Database Machine systems that use RDMA over Converged Ethernet (RoCE). Exadata Secure RDMA Fabric Isolation uses RoCE VLANs to ensure that network packets from one VM cluster cannot be seen by another VM cluster.VLAN tag enforcement is done at the KVM host level, which means that security cannot be bypassed by any software exploits or misconfiguration on the database server VMs1.

Therefore, the statement that is true about how Exadata Secure RDMA Fabric isolation is used in X9M-2 with virtualization enabled is:

With Secure Fabric isolation, each Database VM cluster uses a dedicated network partition and VLAN ID for cluster networking between the database servers in the VM Cluster. This provides security and isolation between multiple tenants or VM clusters.


Contribute your Thoughts:

Jospeh
4 months ago
Option D looks good to me. Isolation between VM clusters is crucial, and using dedicated network partitions and VLANs is a solid way to achieve that. Secure and scalable, just the way I like it.
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Matt
3 months ago
Isolation between VM clusters is crucial, and using dedicated network partitions and VLANs is a solid way to achieve that. Secure and scalable, just the way I like it.
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Marcelle
3 months ago
Option D looks good to me.
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Glennis
4 months ago
Haha, I bet the exam writers had a field day coming up with these options. 'Secure Fabric isolation' sounds like something out of a sci-fi movie. But I guess that's the Oracle way - making the mundane sound exciting!
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Macy
3 months ago
C) With Secure Fabric isolation, each Database VM Cluster uses a dedicated network partition and VLAN ID for Data Guard networking between the primary and disaster recovery Exadata racks. This improves security by isolating data guard traffic onto an encrypted network between data centers.
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Dona
3 months ago
B) With Secure Fabric isolation, each Database VM Guest uses a dedicated network partition and VLAN ID for client networking between application servers. This improves security by preventing man in the middle attacks.
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Emeline
3 months ago
A) With Secure Fabric isolation, each Storage Server runs multiple KVM guests each dedicated to a Database VM cluster using a dedicated network partition and VLAN ID. This provides security and isolation between multiple tenants or VM clusters.
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Peggie
4 months ago
I'm impressed by the level of security and isolation that Option C provides for Data Guard networking. Keeping that traffic on a dedicated and encrypted network between data centers is a great way to protect against any potential breaches.
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Fletcher
4 months ago
Option A seems to cover all the key points. Secure Fabric isolation with dedicated network partitions and VLANs for each tenant or VM cluster - that's exactly what I'm looking for in an Exadata X9M-2 setup with virtualization.
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Lisha
3 months ago
I agree, it's great to have that peace of mind when it comes to data security in a virtualized environment.
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Adelle
4 months ago
Definitely, it helps prevent any unauthorized access or interference between different VM clusters.
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Carman
4 months ago
Yes, having that level of security and isolation is crucial for a setup like that.
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Trina
4 months ago
Option A seems to cover all the key points. Secure Fabric isolation with dedicated network partitions and VLANs for each tenant or VM cluster - that's exactly what I'm looking for in an Exadata X9M-2 setup with virtualization.
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Quentin
5 months ago
I'm not sure, but D also sounds plausible.
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Roosevelt
5 months ago
I'm leaning towards B, it makes more sense to me.
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Elly
5 months ago
I disagree, I believe the answer is C.
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Edelmira
5 months ago
I think the answer is A.
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