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  1. Home
  2. Oracle Certification
  3. 1Z0-821 Exam
  4. Oracle.1Z0-821.v2022-11-01.q191 Dumps
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Question 46

Your mentor suggests using the dladm rename-link command to rename the network datalinks.
What are the two advantages of following this advice?

Correct Answer: A,E
Explanation/Reference:
Explanation:
A: To rename the bge0 link to mgmt0, enter the following command:
# dladm rename-link bge0 mgmt0
E: Consider that the bge0 device, whose link was named mgmt0 as shown in the previous example, needs to be replaced with a ce0 device because of a hardware failure. The bge0 NIC is physically removed, and replaced with a new ce0 NIC. To associate the newly added ce0 device with the mgmt0 configuration previously associated with bge0, enter the following command:
# dladm rename-link ce0 mgmt0
Note: How to Rename a Datalink
Use this procedure if you want to change a datalink name to a customized name. For example, some of the datalinks in upgraded system might have retained legacy hardware-based names and you want to change these names to generic ones.
Note: dladm rename-link [-R root-dir] link new-link
Rename link to new-link. This is used to give a link a meaningful name, or to associate existing link configuration such as link properties of a removed device with a new device.
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Question 47

You want to display the IP address assignments of the network interfaces. Which command should you use?

Correct Answer: B
Explanation/Reference:
Explanation:
'ipadm show-addr' displays all the configured addresses on the system.
Example:
# ipadm show-addr
ADDROBJ TYPE STATE ADDR
lo0/v4 static ok 127.0.0.1/8
lo0/v6 static ok ::1/128
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Question 48

A local repository is available on this system and you need to enable clients to access this repository via HTTP. The repository information is:
PUBLISHERTYPESTATUSURI
solarisoriginonlinehttp://sysA.example.com
Identify two of the steps that are required to make the local repository on this server available to the client via HTTP.

Correct Answer: A,E
A: Configure the Repository Server Service
To enable clients to access the local repository via HTTP, enable the application/pkg/server Service Management Facility (SMF) service.
# svccfg -s application/pkg/server setprop pkg/inst_root=/export/repoSolaris11
# svccfg -s application/pkg/server setprop pkg/readonly=true
E: Use pkg.depotd to serve the repository to clients.
Start the Repository Service
Restart the pkg.depotd repository service.
# svcadm refresh application/pkg/server
# svcadm enable application/pkg/server
To check whether the repository server is working, open a browser window on the localhost location.
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Question 49

View the exhibit.

The configuration information in the exhibit is displayed on your system immediately after installing the OS.
Choose the option that describes the selection made during the Installation of the OS to obtain this configuration.

Correct Answer: A
Explanation/Reference:
Explanation:
There are two ways to configure the network configuration: automatic or manual.
In the exhibit we see that DHCP has been used used. This indicates an automatic network configuration.
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Question 50

Select two correct statements about the authentication services available in Oracle Solaris
11.

Correct Answer: A,E
A: Pluggable Authentication Modules (PAM) are an integral part of the authentication mechanism for the Solaris. PAM provides system administrators with the ability and flexibility to choose any authentication service available on a system to perform end-user authentication.
By using PAM,applications can perform authentication regardless of what authentication method is defined by the system administrator for the given client.
PAM enables system administrators to deploy the appropriate authentication mechanism for each service throughout the network. System administrators can also select one or multiple authentication technologies without modifying applications or utilities. PAM insulates application developers from evolutionary improvements to authentication technologies,while at the same time allowing deployed applications to use those improvements.
PAM employs run-time pluggable modules to provide authentication for system entry services.
E: The Simple Authentication and Security Layer (SASL) is a method for adding authentication support to connection-based protocols. Simple Authentication and Security Layer (SASL) is a framework for authentication and data security in Internet protocols. It decouples authentication mechanisms from application protocols,in theory allowing any authentication mechanism supported by SASL to be used in any application protocol that uses SASL. Authentication mechanisms can also support proxy authorization,a facility allowing one user to assume the identity of another. They can also provide a data security layer offering data integrity and data confidentiality services. DIGEST-MD5 provides an example of mechanisms which can provide a data-security layer. Application protocols that support SASL typically also support Transport Layer Security (TLS) to complement the services offered by SASL.
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