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1z1-106 Reliable Exam Sample & 1z1-106 Valid Practice Questions

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To prepare for 1z1-106 Exam, candidates should have a thorough understanding of Linux operating systems, command line interface, and shell scripting. They should also be familiar with advanced system administration tasks such as configuring network services and implementing security measures. Candidates can take advantage of Oracle's training courses and study materials to enhance their knowledge and skills in these areas.

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Oracle Linux 8 Advanced System Administration Sample Questions (Q24-Q29):

NEW QUESTION # 24
Which two statements are true about systemd system and service manager?

A. systemd is the first process that starts after the system boots and is the final process left running before the system shuts down.
B. systemd reads /etc/system to determine which services to start.
C. systemd is backward-compatible with the System V init scripts that were used in earlier versions of Oracle Linux.
D. The service command is used to start and stop system service units.
E. systemd service units expose kernel devices and can be used to implement device-based activation.

Answer: A,E

NEW QUESTION # 25
Which command configures a fully functional and accessible interface on VLAN 800?

A. modprobe 8021q ip link add link eth0 name eth0.800 type vlan id 800 ip link set eth0.800 up
B. modprobe 8021q ip link add link eth0 name eth0.800 VLAN 800 ip address add 10.135.1.120/24 dev eth0.800 ip link set eth0.800 up
C. modprobe 8021q ip link add link eth0 name eth0.800 type vlan id 800 ip address add 10.135.1.120/24 dev eth0.800 ip link set eth0.800 up
D. modprobe 8021q ip address add 10.135.1.120/24 dev eth0.800 ip link set eth0.800 up

Answer: C

Explanation:
* Option C (Correct):This command sequence first loads the 802.1q module needed for VLAN tagging, then creates a VLAN interface (eth0.800) on the base interface (eth0), assigns an IP address (10.135.1.120/24), and sets the VLAN interface up.
* Option A, B, D (Incorrect):These options have syntactical errors or missing parameters that make them incorrect for setting up a fully functional and accessible VLAN interface.
Oracle Linux Reference:Refer to:
* OracleLinux 8: Configuring VLANs

NEW QUESTION # 26
Examine this command and output:
# cat deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
selector:
matchLabels:
app: nginx
replicas: 2
template:
metadata:
labels:
app: nginx
spec:
containers:
- name: nginx
image: nginx:1.14.2
ports:
- containerPort: 80
Now examine this command which executes successfully:
$ kubectl create -f deployment.yaml
Which two statements are true?

A. The command creates a pod named nginx.
B. The command creates and guarantees the availability of a specified number of identical pods.
C. The command specifies nginx image version 1.14.2 and will fail if the image version is not available.
D. The command creates a deployment named nginx.
E. The command specifies port 80 as the port that the container exposes.

Answer: B,E

Explanation:
* Option A (Correct):The command creates a Kubernetes Deployment, which ensures the specified number of replicas (pods) are running at all times. The deployment will manage the creation and maintenance of these pods to ensure availability.
* Option D (Correct):The deployment configuration specifies that the container running inside the pod exposes port 80 (containerPort: 80).
* Option B (Incorrect):The deployment is namednginx-deployment, notnginx.
* Option C (Incorrect):The command creates a Deployment object that manages multiple pods; it does not directly create a single pod namednginx.
* Option E (Incorrect):The command specifies the nginx image version1.14.2, but it will not fail immediately if the image version is not available. Kubernetes will attempt to pull the image, and the failure will happen during that step if the image does not exist.
Oracle Linux Reference:Refer to:
* Kubernetes Documentation on Deployments
* kubectl createcommand usage details.

NEW QUESTION # 27
Which two are true about using Ksplice?

A. It can patch the kernel without shutting down the system.
B. Ksplice has two clients; each can run in three different modes.
C. The Ksplice client is freely available to all customers.
D. Yum cannot upgrade a kernel patched by Ksplice
E. Ksplice can be used without a network connection

Answer: A,E

Explanation:
Option A: Ksplice can be used without a network connection
* Explanation:
* Ksplice provides anOffline Clientspecifically designed for systems that do not have a direct connection to the internet. This client allows administrators to download Ksplice updates on a system with internet access and then transfer them to the offline system for installation.
* This means Ksplice can be effectively used in environments with strict security policies where network connectivity is restricted or not available.
* Oracle Linux Reference:
* OracleLinux 8: Ksplice User's Guide- Section on "Using the Ksplice Offline Client":
"The Ksplice Offline client enables you to apply Ksplice updates to systems that do not have direct access to the Internet or to the Oracle Uptrack server." Option B: It can patch the kernel without shutting down the system.
* Explanation:
* The primary purpose of Ksplice is to allow administrators to apply critical security patches to the running kernelwithout requiring a rebootor shutting down the system. This ensures high availability and minimizes downtime, which is crucial for production environments.
* Ksplice works by performingjust-in-time (JIT) compilationof kernel patches and applying them directly to the running kernel in memory.
* Oracle Linux Reference:
* OracleLinux 8: Ksplice User's Guide- Introduction:
"Ksplice enables you to keep your systems up to date and secure by applying important kernel security updates without rebooting." Why Other Options Are Not Correct:
* Option C:Yum cannot upgrade a kernel patched by Ksplice
* Explanation:
* This statement is false. While Ksplice patches the running kernel in memory, yum can still upgrade the kernel packages on disk. After a yum kernel update, a reboot would be necessary to run the new kernel version, but yum operations are not hindered by Ksplice patches.
* Oracle Linux Reference:
* OracleLinux 8: Ksplice User's Guide- Compatibility with Package Managers:
"Ksplice works seamlessly with package management tools like yum and dnf. You can continue to use these tools to manage your kernel packages."
* Option D:Ksplice has two clients; each can run in three different modes.
* Explanation:
* While Ksplice does have two clients (the online and offline clients), the statement about each running in three different modes is inaccurate or misleading. The clients do not operate in "three different modes" per se.
* Oracle Linux Reference:
* No official documentation supports the claim of "three different modes" for each client.
* Option E:The Ksplice client is freely available to all customers.
* Explanation:
* Ksplice is a feature available to customers with an active Oracle Linux Premier Support subscription. It is not freely available to all users.
* Oracle Linux Reference:
* OracleLinux 8: Ksplice User's Guide- Access Requirements:
"To use Ksplice, your system must be covered by an Oracle Linux Premier Support subscription." Conclusion:
Options A and B are correct because Ksplice can be used without a network connection via the offline client, and it allows patching the kernel without shutting down the system, ensuring minimal downtime.

NEW QUESTION # 28
Examine this command:
# nft add rule inet filter input tcp dport 80 drop
Which two statements are true upon execution?

A. The rule is applied to both IPv4 and IPv6 packets.
B. The rule applies to the input table.
C. TCP packets outbound on port 80 are dropped.
D. The rule updates the configuration on disk.
E. All traffic inbound on port 80 is dropped.
F. TCP packets inbound on port 80 are dropped.

Answer: A,F

NEW QUESTION # 29
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