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Oracle Exam 1Z0-902 Topic 1 Question 44 Discussion

Actual exam question for Oracle's 1Z0-902 exam
Question #: 44
Topic #: 1
[All 1Z0-902 Questions]

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

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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:

Frederick
4 months ago
Wait, is this exam question sponsored by the Secure Fabric Sandwich company? I'm hungry just reading these options.
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Myong
4 months ago
Haha, I wonder if the exam proctors will accept 'Secure Fabric Burrito' as a valid answer. Sounds delicious and secure!
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Camellia
3 months ago
D) 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.
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Kenny
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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Raelene
4 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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Jerry
4 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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Herman
5 months ago
I'm leaning towards option D because it talks about cluster networking between the database servers in the VM Cluster.
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Chanel
5 months ago
I believe option C could also be correct as it mentions dedicated network partition and VLAN ID for Data Guard networking.
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Dan
5 months ago
B and D both look good, but I'm leaning towards D as it provides isolation at the cluster level, which is important for multi-tenant environments.
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Melissa
5 months ago
Option C is interesting, as isolating the Data Guard traffic is crucial for secure data replication. This could be a game-changer for disaster recovery scenarios.
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Anika
4 months ago
I agree, having that level of isolation for data replication between data centers can make a big difference in ensuring security and reliability.
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Breana
4 months ago
Option C is definitely crucial for secure data replication. Isolating the Data Guard traffic can really enhance disaster recovery.
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Shalon
5 months ago
I agree with Ayesha, option A seems to provide security and isolation between multiple tenants or VM clusters.
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Ayesha
5 months ago
I think option A is correct because it mentions dedicated network partition and VLAN ID for each Storage Server.
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Krystina
5 months ago
Option A seems the most comprehensive and covers multiple levels of isolation and security. I like how it separates the tenants and VM clusters.
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Anastacia
4 months ago
Definitely, having dedicated network partitions and VLAN IDs for each cluster adds an extra layer of security.
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Josue
4 months ago
I think option A is the best choice for ensuring secure fabric isolation in X9M-2 with virtualization enabled.
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Azzie
5 months ago
Yes, it's important to have that kind of isolation to prevent any security breaches.
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Serita
5 months ago
I agree, option A provides a good level of security by separating the tenants and VM clusters.
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