Free Practice Questions for CompTIA SK0-005 Exam

RAID 5 is a RAID level that uses disk striping with parity. It requires a minimum of three disks and can handle one disk failure. RAID 5 distributes the parity information across all the disks in the array, which improves the read performance and reduces the write penalty. The capacity of a RAID 5 array is (N-1) times the size of the smallest disk, where N is the number of disks in the array. Therefore, for six 4TB disks, the capacity of a RAID 5 array would be (6-1) x 4TB = 20TB, which meets the minimum disk space requirement of 19TB. RAID 5 also has the leastamount of disk space lost to RAID overhead among the options, as it only uses onedisk’s worth of space for parity

FinanceApp software is running as a service named “FinanceApp Service”. The service description says “Provides financial data and calculations for the FinanceApp software”. The service status is “Stopped”, which means that the service is not running and the software is not functional. The service startup type is “Manual”, which means that the service needs to be started manually by the user or the administrator. The service log on as is “Local System”, which means that the service runs under a predefined local account that has extensive privileges on the local computer.

To fix the issue with the FinanceApp software, you need to do two things:

First, you need to start the service, so that the software can run. To do this, you can right-click on the service name and select “Start” from the menu. Alternatively, you can select the service name and click on the “Start” button on the toolbar. You should see a message saying that the service has started successfully.

Second, you need to change the service startup type, so that the service can start automatically every time the server boots up. This way,you don’t have to contact the help desk every time the issue occurs. To do this, you can right-click on the service name and select “Properties” from the menu. Alternatively, you can select the service name and click on the “Properties” button on the toolbar. You should see a window with several tabs and options. On the “General” tab, under “Startup type”, you can select “Automatic” from the drop-down list. Then, click on “OK” to save your changes.

By doing these two steps, you should be able to use the FinanceApp software without any problems.

The MarketApp software is running as a service named “MarketApp Service”. The service description says “Provides market data and analysis for the MarketApp software”. The service status is “Running”, which means that the service is running and the software is functional. However, as you reported, the software may crash sometimes, which can cause significant downtime. The service startup type is “Automatic”, which means that the service starts automatically every time the server boots up. The service log on as is “TestAccount”, which is a test account that was probably used for development or testing purposes.

To fix the issue with the MarketApp software, you need to do one thing:

You need to change the service log on as, so that the service runs under a proper account that has sufficient permissions and security settings for production use. To do this, you can right-click on the service name and select “Properties” from the menu. Alternatively, you can select the service name and click on the “Properties” button on the toolbar. You should see a window with several tabs and options. On the “Log On” tab, under “Log on as”, you can select either “Local System account” or “This account”. If you choose “Local System account”, then the service will run under a predefined local account that has extensive privileges on the local computer. If you choose “This account”, then you will need to enter a valid username and password for an account that has appropriate permissions and security settings for running the service. You may need to consult with your IT team or your software vendor to determine which option is best for your situation. Then, click on “OK” to save your changes.

This is the best description of a hybrid cloud model because it combines both private and public cloud resources. A private cloud is a cloud environment that is owned and operated by a single organization and hosted in its own data center. A public cloud is a cloud environment that is owned and operated by a third-party provider and hosted in its data center. A hybrid cloud allows an organization to leverage both types of cloud resources depending on its needs and preferences.References:https://azure.microsoft.com/en-us/overview/what-is-hybrid-cloud-computing/

The organization should retrieve the tapes from the cold site and test them to ensure they are properly maintained and usable during a DR scenario. A cold site is a location that has space and power for backup equipment, but no actual equipment installed or configured. The organization stores backup tapes of its servers at cold sites as a precaution in case of a disaster that affects its primary site. However, backup tapes can degrade over time due to environmental factors such as temperature, humidity, dust, or magnetic fields. Therefore, the organization should periodically retrieve the tapes from the cold site and test them on compatible equipment to verify their integrity and readability.

This is the most likely cause of preventing the users from accessing the application server because a VLAN is a logical segmentation of a network that isolates traffic based on certain criteria. If the human resources department and the application server are on different VLANs, they will not be able to communicate with each other unless there is a router or a switch that can route between VLANs.References:https://www.cisco.com/c/en/us/support/docs/lan-switching/inter-vlan-routing/41860-howto-L3-intervlanrouting.html

This is the best command to find out which commands can be used by a user with sudo privileges because it lists the allowed and forbidden commands for a given user or role. The -l option stands for list, and the -U option specifies the user name. The output of this command will show what commands can be executed with sudo by that user on that server.References:https://www.sudo.ws/man/1.8.13/sudo.man.html

The solution the administrator implemented extended runtime. Runtime is the amount of time that a UPS can provide backup power to a server in case of a power outage. By installing additional batteries in the UPS, the administrator increased the capacity and duration of the backup power, allowing the server more time to shut down properly.

RAID 6 is a type of RAID level that uses two parity blocks to provide fault tolerance and redundancy for data storage. RAID 6 can withstand the failure of up to two disks in the array without losing any data. RAID 6 requires a minimum of four disks to operate, and it distributes the data and parity blocks across all the disks in the array. RAID 6 has a high write penalty, which means that it takes more time and resources to write data to the disks than to read data from them. However, RAID 6 offers a highlevel of data protection and reliability, which makes it suitable for applications that require high availability and durability1.

RAID 1 provides redundancy and fault tolerance by mirroring the data from one disk to another disk. RAID 1 offers high read performance and data security, but it has low capacity and write performance. RAID 1 requires a minimum of two disks to operate, and it can only tolerate the failure of one disk in the array. If more than one disk fails, all the data in the array is lost2.

RAID 5 provides redundancy and fault tolerance by using one parity block to store information that can be used to reconstruct the data in case of a disk failure. RAID 5 requires a minimum of three disks to operate, and it distributes the data and parity blocks across all the disks in the array. RAID 5 offers a balance between performance, capacity, and data protection, but it can only tolerate the failure of one disk in the array. If more than one disk fails, all the data in the array is lost2.

Therefore, among these options, RAID 6 is the best solution for creating a data volume out of four disks with the most redundancy.

Retention policies are the guidelines that dictate when to delete data backups based on operational or compliance needs. They specify how long, how, where, and in what format the data backups are stored, and who has authority over them. The other options are not directly related to the deletion of data backups.

https://backup.ninja/news/Database-Backups-101-Backup-Retention-Policy-Considerations

The concept in use when dual power supplies are connected to different power sources is fault tolerance. Fault tolerance is the ability of a system to continue operating without interruption or loss of data in the event of a failure of one or more components. By connecting dual power supplies to different power sources, the system can switch to the alternative power supply or source if one fails, ensuring continuous availability and reliability.