Using the Parental Controls preferences, which restriction can you impose on an account?

• A. Restrict the account to a defined amount of disk space for the home folder.
• B. Restrict the account to downloading only specified file types, such as text or audio files, from the Internet.
• C. Restrict the account to a defined set of the services available from the Sharing pane of
  System Preferences.
• D. Restrict the account to sending emails only to defined email addresses.

How does the OS X built-in firewall work?

• A. The Ping tab of Network Utility allows you to test basic connectivity to another network host by sending and then waiting for the return of a ping packet.
• B. The Disk Utility Repair Permissions feature repairs only the ownership and permissions for items installed by Apple. However, this may resolve issues with third-party products.
• C. The OS X built-in firewall inspects each incoming network connection to determine if it's allowed. Connections are allowed or denied on a per-application basis.
• D. Network services are established using a common network protocol. The protocol
  specifies which TCP or UDP port number is used for communications.

What are four common issues that can interrupt network services on a Mac computer?

• A. To verify a specific service is available from a service provider, first use the Network Utility Ping tab to verify basic connectivity. Then use the Network Utility Port Scan tab to verify the specific service port(s) are open. You should always limit the port scan to the specific ports required for the network service you're testing.
• B. Review Network preferences, review the Network Utilitystatistics, and attempt to connect to different networkservices.
• C. Four common issues that can interrupt network services on a Mac are:
  Ethernet connectivity issues, which can cause the hardware network interface to become inactive or introduce excessive packet errors
  Wi-Fi connectivity issues caused by the selection of an improper Wi-Fi network or excessive wireless interference
  DHCP service issues, which prevent proper TCP/IP configuration
  DNS service issues, which prevent host name resolution
• D. Migration Assistant can migrate information from other OS X systems, Windows systems, and other disks, including Time Machine backups.

Bundles and packages are used to combine complex items into individual folders. Packages have the additional advantage of appearing as a single item in the Finder. Thisallows software developers to combine resources into a single item and prevents users from seeing and potentially damaging those resources through deletion or moving of files.

• A. What does CUPS do?
• B. What does OS X use bundles or packages for?
• C. What does the diagnostic reporting feature do?
• D. How does file system journaling work?

What can you enable to locate a lost Mac system?

• A. Using the Finder Info window you can force an application to open in 32-bit mode. This step is necessary for a 64-bit application to support older 32-bit plug-ins or application resources.
• B. iCloud Find My Mac allows you to remotely locate a lost Mac system. You enable this feature in iCloud preferences. To locate a lost Mac system, you can use the iCloud website or the Find My iPhone app on an iOS device.
• C. To automatically connect a file share when the user logs in to the system, drag the share from the Finder to the user's login items in Users & Groups preferences. Or you can drag the share to the right side of the user's Dock, and it will automatically connect when the user clicks the share's icon in the Dock.
• D. The master password is used to reset local account passwords.