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Renovate 1Z0-821 Simple Questions Latest Practice Test Questions VCE PDF DumpsQustion No. 1
- (Topic 1)
Select two correct statements about the authentication services available in Oracle Solaris
11.
A. Pluggable Authentication Modules (PAM) is used to control the operation of services such console logins and ftp.
B. The Secure Shell can be configured to allow logins across a network to remote servers without transmitting passwords across the network.
C. Secure Remote Procedure Calls (Secure RPC) provides a mechanism to encrypt data on any IP Socket connection.
D. Pluggable Authentication Modules (PAM) is used to implement the Secure Shell in Oracle Solaris 11.
E. Simple Authentication and Security Layer (SASL) provides a mechanism to authenticate and encrypt access to local file system data.
Answer: A,E
Explanation:
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.
Qustion No. 2
- (Topic 2)
The following information is displayed about the compress/zjp software package,which Is currently installed on this system:
NAME (PUBLISHER)VERSIONIFO
Compress/zip3.1.2-0.175.0.0.0.0.537if-
NAMEVERSIONDATECOMMENT
Compress/zip3.109 Dec 2011 04:50:38 ESTNone
Which statement describes the information that is displayed tor the compress/zip software package?
A. This package cannot be removed.
B. This package can be updated to a new version when the new version of the package becomes available.
C. This package cannot be updated.
D. This package can be updated to version 3.1.3 but not 3.2.
E. This package cannot be downgraded to version 3.1.1.
Answer: B
Explanation:
An “f” in the F column indicates the package is frozen. If a package is frozen,you can only install or update to packages that match the frozen version..
Note: The “i” in the I column indicates that these packages are installed in this image.
Adding and Updating Oracle Solaris 11 Software Packages,Showing Package Install State Information
Qustion No. 3
- (Topic 2)
ServerA contains two ISO images of a package repository named so1.repo.iso-a and so1.repo.iso-b respectively. You need to create a single local package repository on server that clients can connect to. The package repository will be stored on the /export/IPS file system and named repo. The preferred publisher will be named solaris and the publisher URL will be http://serverA.example.com.
Which is the correct procedure to perform on ServerA to create the local Package repository?
A. cat so1.repo.iso-a sol.repo.iso-b > so1.full.isoMount the ISO image and use the rsync command to extract the contents of the ISO file to the /export/IPS file system.Set the pkg/inst_root property to /export/IPS/repo and the pkg/readonly property to true.Set the preferred publisher by using pkg set-publisher -Ghttp://pkg.oracle.com/solaris/release/ \\-g http”//serverA.example.com/ solaris
B. cat so1.repo.iso-a so1.repo.iso-b > /export/IPS/repoSet the pkg/inst_root property to true and the pkg/readonly property to /export/IPSSet the preferred publisher by using pkg set-publisher -G http://serverA.example.com/ \\-g http://pkg/oracle.com/solaris/rekease/solaris
C. cat so1.repo.iso-a so1.repo.iso-b > so1.full.isoMount the ISO image and use the rsync command to extract the contents of the ISO file to /export/IPS/repoSet the pkg/inst_root property to /export/IPS/repo and the pkg/readonly property to trueSet the preferred publisher by using pkg set-publisher solaris \\-g http://pkg.oracle.com/
D. cat so1.repo,iso-a so1.repo.iso-b > /export/IPS/repo.isoMount the ISO image and copy the repo directory from the ISO image to /export/IPS/reposet the pkg/inst_root property and the pkg/readonly property to /export/IPS/reposet the preferred pkg/inst_root property by using pkg set-publisher - G http://serverA.example.com/ \\- g http://pkg.oracle.com/solaris.com/release/- p solaris
Answer: D
Explanation:
Concatenate the files into one file using the cat command.
Make the contents of the repository .iso file available using the mount command.
To increase the performance of repository accesses and to avoid the need to remount
the..iso.image each time the system restarts,copy the repository files from./mnt/repo/to a
ZFS file system. You can do this copy with.rsync.or with.tar.
Qustion No. 4
- (Topic 1)
User jack logs in to host solaris and then attempts to log in to host oracle using ssh. He receives the following error message:
The authenticity of host oracle (192.168.1.22) can't be established. RSA key fingerprint is 3B:23:a5:6d:ad:a5:76:83:9c:c3:c4:55:a5:18:98:a6
Are you sure you want to continue connecting (yes/no)?
Which two are true?
A. The public host key supplied by solaria is not known to the host oracle.
B. The error would not occur if the RSA key fingerprint shown in the error message was added to the /etc/ssh/known_hosts file on solaris.
C. The private host key supplied by oracle is not known to solaris.
D. If jack answers yes,the RSA public key for the host oracle will be added to the known_hosts file for the user jack.
E. The public host key supplied by oracle is not known to the host solaris.
Answer: B,D
Explanation:
The fingerprints are used to guard against man in the middle attacks. Since ssh logins
usually work over the internet (an insecure connection),someone could hijack your
connection. When you try to log into yourmachine.com,he could get "in the middle" and
return your challenge as if he was yourmachine.com. That way,he could get hold of your
login password.
To make this attack harder,ssh stores the fingerprint of the server's public key on the first
connection attempt. You will see a prompt like:
The authenticity of host 'eisen (137.43.366.64)' can't be established.
RSA key fingerprint is cf:55:30:31:7f:f0:c4:a0:9a:02:1d:1c:41:cf:63:cf.
Are you sure you want to continue connecting (yes/no)
When you enter yes,ssh will add the fingerprint to your known_hosts file. you will see
Code:
Warning: Permanently added 'eisen,137.43.366.64' (RSA) to the list of known hosts.
The next time you login,ssh will check whether the host key has changed. A changing host
key usually indicates a man in the middle attack,and ssh refuses to connect.
Qustion No. 5
- (Topic 2)
Your server has a ZFS storage pool that is configured as follows:
The server has two spate 140-GB disk drives: c3t5d0 c3t6d0
Which command would add redundancy to the pool1 storage pool?
A. zpool attach pool1 c3t5d0 c3t6d0
B. zpool attach pool1 c3t3d0 c3c5d0; zpoo1 attach pool1 c3t4d0 c3t6d0
C. zpool mirror pool1 c3t5d0 c3t6d0
D. zpool add pool1 mirror c3t5d0 c3t6d0
E. zpool add raidz pool1 c3t5d0 c3t6d0
Answer: A
Explanation:
You can convert a non-redundant storage pool into a redundant storage pool by using the zpool attach command.
Note: zpool attach [-f] pool device new_device Attaches new_device to an existing zpool device. The existing device cannot be part of a raidz configuration. If device is not currently part of a mirrored configuration,device automatically transforms into a two-way mirror of device and new_device. If device is part of a two-way mirror,attaching new_device creates a three-way mirror,and so on. In either case,new_device begins to resilver immediately.
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