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NEW QUESTION # 34
What is the purpose of the Autonomous System Number (ASN) in a BGP configuration?
Answer: D
Explanation:
Here's why:
Autonomous System Number (ASN): An ASN is a unique number assigned to an autonomous system (AS), which is a network or a group of networks under a common administration that has a consistent routing policy. In the context of BGP (Border Gateway Protocol), ASNs are used to identify each network participating in BGP routing. When you configure BGP for your FastConnect connection, you and Oracle each provide an ASN. This allows routers on both sides to exchange routing information and ensure that traffic is correctly routed between your on-premises network and your OCI VCN.
Why the other options are incorrect:
A). It is used to encrypt the traffic traversing the FastConnect connection: Encryption is handled by other mechanisms, such as IPsec VPNs (if used in conjunction with FastConnect) or encryption at the application layer. The ASN itself does not provide encryption.
C). It determines the bandwidth allocated to your FastConnect connection: The bandwidth of your FastConnect connection is determined by the service level you purchase from Oracle, not by the ASN.
D). It is used to authenticate the connection between your on-premises network and OCI: While BGP does have some built-in authentication mechanisms (like MD5 authentication), the primary purpose of the ASN is network identification for routing, not authentication. The FastConnect circuit itself is authenticated through other means.
NEW QUESTION # 35
Which type of routing does Oracle FastConnect use to exchange routing information between on-premises networks and Oracle Cloud Infrastructure?
Answer: B
Explanation:
Oracle FastConnect uses Border Gateway Protocol (BGP) to dynamically exchange routing information between on-premises networks and OCI, ensuring optimal path selection. OSPF (Option A) and RIP (Option C) are not used, and static routing (Option D) is an option but not the default or dynamic method. Oracle's FastConnect documentation confirms BGP as standard. The original question's placeholder has been replaced with BGP as the correct answer.
NEW QUESTION # 36
What is the next essential step on the Azure side to establish the connection after creating the FastConnect virtual circuit on the OCI side?
Answer: D
Explanation:
Here's a breakdown:
OCI Side: You create a FastConnect virtual circuit. Oracle provides you with a service key. This key is crucial for connecting from the Azure side.
Azure Side: You need to create an ExpressRoute Gateway. This is a specific type of Virtual Network Gateway designed for ExpressRoute connections. It's the Azure-side endpoint for the dedicated connection.
Connecting the two: You use the service key provided by Oracle during the ExpressRoute Gateway configuration to link it to the FastConnect virtual circuit. This establishes the physical connection between the two cloud environments.
Why the other options are incorrect:
a) Create an ExpressRoute circuit and configure a private peering. While you do create an ExpressRoute circuit, simply creating it isn't enough to connect to the OCI FastConnect. You need the ExpressRoute Gateway to terminate the connection and the service key to authorize it. The private peering is configured after the connection is established.
b) Establish an IPsec VPN tunnel between the Azure VNet and the OCI VCN. Oracle Interconnect for Azure uses a dedicated, private connection, not a VPN over the public internet.
c) Configure a Network Virtual Appliance (NVA) for routing between the two cloud environments. While NVAs can be used for advanced routing or security functions, they are not required for the basic establishment of the Interconnect. The direct connection through ExpressRoute and FastConnect handles the basic routing.
NEW QUESTION # 37
Which of the following is NOT a primary benefit typically associated with adopting a multicloud strategy?
Answer: B
Explanation:
Here's why:
Multicloud complexity: While there are tools emerging to help with multi-cloud management, the reality is that managing multiple cloud environments increases operational complexity. Each cloud provider has its own set of tools, APIs, management consoles, and best practices. Integrating these disparate systems and achieving true unified management is a significant challenge, not a simplification.
Here's why the other options are typical benefits:
a) Reduced risk of vendor lock-in: By using multiple cloud providers, organizations avoid being completely dependent on a single vendor. This provides greater flexibility, negotiating power, and the ability to switch providers if necessary.
b) Access to a wide array of specialized services: Different cloud providers excel in different areas. A multicloud strategy allows organizations to leverage the best-of-breed services from each provider, optimizing for specific workloads and driving innovation.
d) Improved resilience and business continuity: Distributing workloads across multiple cloud environments provides redundancy and fault tolerance. If one cloud provider experiences an outage, applications can continue to run in other environments, enhancing business continuity.
NEW QUESTION # 38
In the context of Oracle Database@Google Cloud, what is the role of the OCI Dynamic Routing Gateway (DRG)?
Answer: D
Explanation:
The OCI Dynamic Routing Gateway (DRG) is a virtual router that provides a single point of entry for network traffic into and out of the OCI Virtual Cloud Network (VCN). In the context of Oracle Database@Google Cloud, the DRG plays a crucial role in enabling connectivity between the Exadata systems (within OCI) and the Google Cloud VPCs. It does this by:
Connecting to the Oracle FastConnect circuit.
Establishing BGP (Border Gateway Protocol) peering with the Google Cloud Router.
BGP is a dynamic routing protocol that allows the two networks (OCI and Google Cloud) to exchange routing information automatically. This ensures that traffic is routed efficiently between the two environments.
The other options are incorrect:
While security is important, the DRG's primary function in this context is routing, not acting as a firewall. Security is typically handled by security lists and network security groups.
NAT is not the DRG's primary role in this scenario.
The DRG manages the virtual routing, not the physical cross-connect.
The physical connection is handled by the underlying infrastructure of FastConnect and Partner Interconnect.
NEW QUESTION # 39
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