Which Oracle Cloud Infrastructure (OCI) Identity and Access Management (IAM) policy is invalid?
C
Explanation:
In Oracle Cloud Infrastructure (OCI), Identity and Access Management (IAM) policies are used to
control access to resources. The policy in option C is invalid because "any-user" is not a valid principal
in OCI IAM policies. OCI policies can only grant permissions to groups or dynamic groups, but not to
arbitrary users.
Here’s an explanation for each option:
A . Allow dynamic-group 'Default'/'FrontEnd' to manage instance-family in compartment Project-A:
This is valid. It grants the dynamic group 'FrontEnd' the ability to manage instances within the
Project-A compartment.
B . Allow group 'Default'/'A-Admins' to manage all-resources in compartment Project-A: This is valid.
It provides full administrative access to all resources in the Project-A compartment for the 'A-Admins'
group.
C . Allow any-user to inspect users in tenancy: This is invalid because OCI does not allow the use of
"any-user" in policies. You must specify a valid group or dynamic group to define permissions.
D . Allow group 'Default'/'A-Developers' to create volumes in compartment Project-A: This is valid. It
permits the 'A-Developers' group to create volumes in the Project-A compartment.
For reference:
OCI Policy Reference
What would happen if you choose not to proactively reboot the instance before the scheduled
maintenance due date?
C
Explanation:
In OCI, if you choose not to proactively reboot your instance before the scheduled maintenance due
date, the system will handle the maintenance automatically to ensure that the instance remains
operational.
Reboot-Migration or Rebuild in Place: If you don't reboot the instance yourself, OCI will automatically
perform a reboot-migration or rebuild in place for the instance. This ensures that the instance is
moved to new hardware or updated without your intervention, maintaining uptime and applying
necessary updates or fixes.
Impact on Instance: The exact action taken (reboot-migration or rebuild in place) depends on the
type of maintenance required. However, either action will temporarily interrupt the instance,
typically involving a reboot, but the instance's data and configuration will be preserved.
Relevant OCI Documentation:
Instance Maintenance
OCI Maintenance Events
These references discuss the procedures and options available for handling instance maintenance in
OCI.
Which statement is TRUE about restoring a volume from a block volume backup in the Oracle Cloud
Infrastructure (OCI) Block Volume service?
B
Explanation:
Restoring a block volume from a backup in OCI provides flexibility and options for scaling and
recovery:
Restoring to a Larger Volume Size: When restoring a block volume from a backup, you have the
option to restore it to a volume that is larger than the original. This is particularly useful if you
anticipate needing more storage capacity after the restore.
Full and Incremental Backups: OCI supports both full and incremental backups. You can restore from
any backup type, which makes it possible to restore data efficiently depending on the backup
strategy used.
Multiple Restores: Multiple volumes can be restored from a single backup, providing flexibility in
disaster recovery scenarios.
Availability Domain: The restored volume can be created in any availability domain within the same
region, not necessarily the same one where the original volume was located.
Relevant OCI Documentation:
Block Volume Service Overview
Restoring a Block Volume
These references explain the process and options available for restoring block volumes from backups.
Which TWO are key benefits of setting up Site-to-Site VPN on Oracle Cloud Infrastructure (OCI)?
B, C
Explanation:
Setting up a Site-to-Site VPN on Oracle Cloud Infrastructure offers several key benefits related to
connectivity and reliability:
Static or Dynamic Routing (BGP): OCI allows customers to configure Site-to-Site VPN with either static
routing or dynamic routing using Border Gateway Protocol (BGP). This flexibility enables customers
to choose the routing method that best suits their network configuration and requirements.
Redundant VPN Tunnels: OCI automatically provisions redundant VPN tunnels when you set up a
Site-to-Site VPN. These redundant tunnels ensure high availability and fault tolerance, so if one
tunnel fails, traffic can continue to flow through the other tunnel without interruption.
Bandwidth Considerations: While the VPN provides a reliable connection, it typically does not exceed
2 Gbps in bandwidth. Higher bandwidth connections usually require FastConnect.
Private Connection: The VPN does create a secure and private connection between on-premises data
centers and OCI, but it does not inherently provide a consistent network experience in the way that a
dedicated connection like FastConnect does.
Relevant OCI Documentation:
Site-to-Site VPN Overview
Configuring Routing for VPNs
These references detail the benefits and technical specifications of setting up Site-to-Site VPNs on
OCI.
What is the primary function of the Network Path Analyzer (NPA) tool provided by Oracle Cloud
Infrastructure (OCI)?
A
Explanation:
The primary function of the Network Path Analyzer (NPA) tool in Oracle Cloud Infrastructure (OCI) is
to help users troubleshoot and diagnose network connectivity issues by analyzing the network path
between a source and a destination within OCI. The tool collects and analyzes the configuration of
the virtual network, identifying any misconfigurations or issues that might impact connectivity.
NPA Usage: The Network Path Analyzer allows administrators to trace the network path and check
for issues such as incorrect security list rules, route table misconfigurations, or any other factors that
could prevent network traffic from reaching its destination.
Reference:
Oracle Cloud Infrastructure Documentation: Network Path Analyzer
You can attach resources to a Dynamic Routing Gateway (DRG). Select THREE of these resources.
A, D, E
Explanation:
A Dynamic Routing Gateway (DRG) in Oracle Cloud Infrastructure (OCI) is a virtual router that
provides a path for private traffic between your on-premises network and your VCN, or between
your VCN and other VCNs. The resources that can be attached to a DRG include:
A . Virtual Circuits: Used to establish a private connection between your on-premises data center and
your VCN via Oracle’s FastConnect service.
D . Remote Peering Connections: Enables peering between VCNs located in different regions
(Remote VCN Peering).
E . IPSec Tunnel: Facilitates secure VPN connections between your on-premises network and your
OCI VCN.
Reference:
Oracle Cloud Infrastructure Documentation: Dynamic Routing Gateway Overview
With OCI's pricing of $0.0085 USD per Gigabyte for Outbound Data Transfer in North America, how
much will they spend per month for 7 Petabytes of Outbound Data Transfer?
A
Explanation:
To calculate the monthly cost for 7 Petabytes (PB) of outbound data transfer at a rate of $0.0085 per
GB in North America:
Calculation:
1 PB = 1,000,000 GB
7 PB = 7,000,000 GB
Cost = 7,000,000 GB * $0.0085/GB = $59,500.00
Thus, the cost for 7 PB of outbound data transfer per month is $59,500.00.
Reference:
Oracle Cloud Infrastructure Pricing: OCI Pricing
You want to protect your VM instance from low-level threats, such as rootkits and bootkits. What
should you do?
A
Explanation:
To protect your VM instance from low-level threats, such as rootkits and bootkits, you should create a
shielded instance in Oracle Cloud Infrastructure (OCI). Shielded instances are designed to provide
enhanced security features, including:
Secure Boot: Ensures that the instance boots only with trusted software.
Measured Boot: Records boot metrics, allowing verification that the instance has not been tampered
with.
Trusted Platform Module (TPM): Provides additional security through cryptographic functions.
These features help protect against low-level threats that could compromise the integrity of the
instance at boot time.
Reference:
Oracle Cloud Infrastructure Documentation: Shielded Instances
What are the two types of capture filters that can be created for network monitoring?
D
Explanation:
In Oracle Cloud Infrastructure (OCI), there are two primary types of capture filters used for network
monitoring:
Flow Log Capture Filters: These filters are used to capture and log network flow information (e.g.,
source and destination IP addresses, ports, protocols). Flow logs provide insights into the traffic
patterns within your VCN.
VTAP Capture Filters: Virtual Test Access Point (VTAP) capture filters allow you to capture and inspect
traffic from specific network interfaces or subnets without affecting the flow of traffic. This is
particularly useful for deep packet inspection and monitoring purposes.
Reference:
Oracle Cloud Infrastructure Documentation: Flow Logs
Oracle Cloud Infrastructure Documentation: VTAP
Which statement is true about File System Replication in Oracle Cloud Infrastructure (OCI)?
B
Explanation:
File System Replication in Oracle Cloud Infrastructure (OCI) allows you to replicate data from one file
system to another either within the same region or across different regions. This capability is
particularly useful for disaster recovery, data protection, and global data distribution scenarios.
Cross-Region Replication: The replication feature enables you to create a copy of your file system in a
different region, ensuring that your data is available even in the event of a regional failure.
Same-Region Replication: You also have the option to replicate data within the same region, which
can be useful for scenarios such as high availability and local backups.
Reference:
Oracle Cloud Infrastructure Documentation: File System Replication