Oracle 1z0-879 Oracle Solaris 10 System Administrator Certified Professional Upgrade Set 1

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Oracle 1z0-879 Oracle Solaris 10 System Administrator Certified Professional Upgrade Set 1

Which option is used in /etc/vfstab to limit the size of a tmpfs file system to 512MB to prevent a memory denial of service (DoS)?

size=512m ✘ maxsize=512 ✘ minsize=512 ✘ swapfs=512mb ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

The Key Distribution Center (KDC) is a central part of the Kerberos authentication system. How should the system running the KDC be configured?

It should be a hardened, minimized system. ✘ It should be a hardened, non-networked system. ✘ The KDC implementation employs cryptography and can therefore run securely on an ordinary multi-user system. ✘ For improved security, users must log in to the KDC before authenticating themselves, so it must be a multiuser system. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

The security administrator wants to log all changes that are made to the device policy. Which Solaris 10 subsystem will be used to log changes to the device policy?

syslog facility ✘ Fault Manager ✘ Solaris Auditing ✘ System Event facility ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

A system administrator is new to the Solaris cryptographic framework. During minimization and hardening, the system administrator discovered a running /usr/lib/ crypto/kcfd and disabled this daemon. To verify the integrity of a Solaris binary, the system administrator is comparing the MD5 checksum of a binary with the information from the Solaris Fingerprint Database at SunSolve. To get the local checksum, he is using the command digest. What will happen when executing this command?

The command will fail with an error. ✘ The command will run as usual and provide the MD5 sum. ✘ The command will run but won't be able to use any installed crypto accelerator hardware (if installed). ✘ The command will run slower because the kernel function can't be accessed, and the userland implementation (libmd5.so.1) will be used. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

In which Solaris OS subsystem is User Rights Management implemented?

Process Privileges ✘ Mandatory Access Control ✘ Service Management Facility ✘ Discretionary Access Control ✔ Role Based Access Control (RBAC) ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

It is corporate practice to use the Solaris Security Toolkit on all Sun systems. This has been successfully done for years, and the administrators are experienced with the tool. Starting with Solaris 10, the company now also uses Solaris zones. Which two statements regarding Solaris Security Toolkit are correct? (Choose two.)

All minimization and hardening is done from the global zone. The Solaris Security Toolkit should be run in the non-global zone after installation. Configuration of the global zone does not impact hardening of the non-global zone. Hardening and auditing with the Solaris Security Toolkit can be done within each individual zone.

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

On a system with these settings in audit_control: dir:/var/audit flags:lo,ex,nt naflags:na minfree:20 Which will NOT be a factor in the size of the audit trail generated by the system?

the audit policy settings ✘ the number of active users ✘ the settings in audit_user ✘ the settings in audit_event ✔ the amount of memory in the system ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

The security administrator has created a Basic Audit and Report Tool (BART) control manifest for the /etc directory. A test manifest is created about one hour later, and the two manifests are compared. The administrator checks all attributes for the files in /etc. Which event will NOT be reported by comparing the two manifests with BART?

A file link was removed. ✘ A file was added to the directory. ✘ Permissions on a file were changed. ✘ Permissions on a file were changed and then restored. ✔ A file was examined using vi, edited, restored to original, and saved. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

A security administrator would like to restrict the number of simultaneous lightweight processes (LWPs) that the webadm role may have at any given time. The security administrator has created the following policy in /etc/ projects: user.webadm:10000::::task.max-lwps=(privileged,5,deny) What will be the impact if the webadm role attempted to start a sixth LWP?

The LWP creation attempt will fail and an error code will be returned to the initiating process. ✘ The LWP will be created and webadm's oldest LWP will be suspended until sufficient resources become available. ✘ The LWP creation attempt will fail but the system will automatically retry until the LWP has been successfully created. ✘ The LWP creation attempt will suspend until sufficient resources become available allowing the LWP to be created. ✔ The LWP will be created but it will immediately be suspended until sufficient resources become available for it to run. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

10.

Which of the descriptions is a high-level overview of how Kerberos works?

In a Kerberos environment, a user authenticates once to each service. ✘ In a Kerberos environment, a user authenticates once to a central authority. ✘ In a Kerberos environment, a user needs to type a password for each service. ✘ In a Kerberos environment, a user authenticates once to any service of its choosing and is then preauthenticated for all other services. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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Oracle 1z0-879 Oracle Solaris 10 System Administrator Certified Professional Upgrade Set 1

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