Apple 9L0-415 Online Practice Questions and Exam Preparation

Apple 9L0-415 Online Questions & Answers

• Question 111:

  How can you ensure that previously deleted items are securely erased?

  A. The Finder hides traditional UNIX resources from average users because they don't need to have access to those items. If users need access to these UNIX items, they can access them from Terminal.
  B. The four erase options in Disk Utility are: Fastest, which simply replaces the volume's directory structure A second choice, which provides good security by writing zeros on top of all the previous disk data A third choice, which provides even better security by writing three separate passes of information on top of the previous disk data Most Secure, which provides the best security by writing seven separate passes of information on top of the previous disk data
  C. The master password is used to reset local account passwords.
  D. From the Erase tab in Disk Utility, you can choose to securely erase the free space of a disk or volume. This securely erases any previously deleted files on the selected disk or volume
  D. From the Erase tab in Disk Utility, you can choose to securely erase the free space of a disk or volume. This securely erases any previously deleted files on the selected disk or volume

• Question 112:

  All Apple software updates are handled via the Mac App Store.

  A. How can you identify duplicate fonts?
  B. Which items fall under the file quarantine system?
  C. What can you enable to locate a lost Mac system?
  D. Which application can you open to initiate Apple software updates?
  D. Which application can you open to initiate Apple software updates?

• Question 113:

  How is the Domain Name Service (DNS) used to facilitate network naming?

  A. The OS X Mavericks installer can be downloaded from the Mac App Store for free.
  B. Keychains are used to store secrets such as resource passwords, digital certificates, and encryption keys. The keychain system can also securely store Safari AutoFill information, Internet Account settings, and secure text notes.
  C. The Archive option in the Finder creates compressed zip archive files.
  D. The DNS service is used to translate host names to IP addresses via forward lookups and translate IP addresses to host names via reverse lookups. DNS is architected as a hierarchy of worldwide domain servers. Local DNS servers provide name resolution and possibly host names for local clients. These local DNS servers connect to DNS servers higher in the DNS hierarchy to resolve both unknown host names and host local domain names.
  D. The DNS service is used to translate host names to IP addresses via forward lookups and translate IP addresses to host names via reverse lookups. DNS is architected as a hierarchy of worldwide domain servers. Local DNS servers provide name resolution and possibly host names for local clients. These local DNS servers connect to DNS servers higher in the DNS hierarchy to resolve both unknown host names and host local domain names.

• Question 114:

  How do you start up an OS X Mountain Lion computer in single-user mode?

  A. Hold down Shift-Option while the computer restarts.
  B. Hold down Command-S while the computer restarts.
  C. Start up from the Mountain Lion Recovery system partition, and enter the command reboot -single in Terminal.
  D. Select Single-User Mode in the Startup Disk pane of System Preferences and restart the computer.
  B. Hold down Command-S while the computer restarts.

• Question 115:

  Which application is used to examine open applications on OS X?

  A. The Disk Utility Verify and Repair feature is used to verify or repair the partition scheme and directory structure of a volume. These elements contain the information used to locate files and folders on the volume.
  B. AppleTalk works only with OS X v10.5 or earlier.
  C. The master password is used to reset local account passwords.
  D. The Activity Monitor application is used to monitor open processes and applications.
  D. The Activity Monitor application is used to monitor open processes and applications.

• Question 116:

  On a Mac running OS X Mountain Lion, how can you display a list of installed software updates?

  A. Open System Information, click System Report, and then in the sidebar under Software, click Installations.
  B. Open Software Update preferences and click Installed Software.
  C. Open Installer, choose Show Files from the File menu, and then in the Files section under /var/log/, select install.log.
  D. Open Software Update and click Receipts.
  B. Open Software Update preferences and click Installed Software.

• Question 117:

  An OS X Mountain Lion computer is connected to both an Ethernet and a Wi-Fi network. How can you specify which interface the Mac will use to access the Internet?

  A. Use Internet Connect to select the preferred interface, and disable the other interface(s).
  B. Enter a DNS configuration for the preferred interface, and delete the DNS configuration for the other interface(s).
  C. Assign a public IP address to the preferred interface, and a private IP address to the other interface(s).
  D. Use the Set Service Order action to move the preferred interface to the top of the Service Order list.
  D. Use the Set Service Order action to move the preferred interface to the top of the Service Order list.

• Question 118:

  What Wi-Fi authentication protocols are supported by OS X?

  A. The Setup Assistant process guides a user through initial configuration of OS X Mavericks.
  B. Disk Utility is the primary application for creating and managing disk images.
  C. OS X supports authenticated Wi-Fi via the following authentication protocols: WEP, WPA/WPA2 Personal, and WPA/WPA2 Enterprise, which includes support for 802.1X authentication.
  D. OS X supports the following network interfaces and protocols: Ethernet IEEE 802.3 family of hardware network interface standards ?Wireless (Wi-Fi) IEEE 802.11 family of hardware network interface standards FireWire IEEE 1394 bridged network interface Thunderbolt bridged network interface Bluetooth wireless hardware network interface USB connectivity via cellular network adapters or iOS devices with cellular network service Virtual private network (VPN) virtual network interface via the Point-to-Point Tunneling Protocol (PPTP) VPN virtual network interface via the Layer 2 Tunneling Protocol (L2TP) over Internet Protocol Security (IPSec) VPN virtual network interface via Cisco IPSec Point-to-Point Protocol over Ethernet (PPPoE) virtual network interface ?6 to 4 virtual network interface Virtual local area network (VLAN) virtual network interface via the IEEE 802.1Q standard Link Aggregation virtual network interface via the IEEE 802.3ad standard Transmission Control Protocol/Internet Protocol (TCP/IP), also known as the Internet protocol suite Dynamic Host Configuration Protocol (DHCP) Domain Name Service (DNS) protocol Network Basic Input/Output System (NetBIOS) and Windows Internet Naming Service (WINS) protocols Authenticated Ethernet via the 802.1X protocol
  C. OS X supports authenticated Wi-Fi via the following authentication protocols: WEP, WPA/WPA2 Personal, and WPA/WPA2 Enterprise, which includes support for 802.1X authentication.

• Question 119:

  What do the terms "interface," "protocol," and "service" mean in relation to computer networks?

  A. A Service Set Identifier, or SSID, is used to identify a Wi-Fi network name and associated configuration.
  B. An interface is any channel through which network data can flow. Hardware network interfaces are defined by physical network connections, and virtual network interfaces are logical network connections that ride on top of hardware network connections. A protocol is a set of rules used to describe a specific type of network communication. Protocols are necessary for separate network devices to communicate properly. Finally, a network service (as it pertains to Network preferences) is the collection of settings that define a network connection.
  C. A Safe Boot is initiated c. by holding down the Shift key during system startup
  D. Client software is used to access network services provided by server software. The connection is established using a common network protocol known by both the client and server software. Thus, the client and server software can be from different sources.
  B. An interface is any channel through which network data can flow. Hardware network interfaces are defined by physical network connections, and virtual network interfaces are logical network connections that ride on top of hardware network connections. A protocol is a set of rules used to describe a specific type of network communication. Protocols are necessary for separate network devices to communicate properly. Finally, a network service (as it pertains to Network preferences) is the collection of settings that define a network connection.

• Question 120:

  How does the keychain system help protect your information?

  A. Time Machine always ignores temporary files, Spotlight indexes, items in the Trash, log files, and anything else that can be considered a cache. Time Machine also ignores any files an application has defined as exempt, or any files you have defined as exempt in Time Machine preferences.
  B. When fast user switching is enabled, all users are allowed to see other users' locally connected disks.
  C. The keychain system manages encrypted files that are used to securely save your items. By default, every user has login and Local Items keychains that use the same password as his account. Not even other administrative users can access your keychain secrets without knowing the keychain's password.
  D. By default, system files and security updates are automatically installed when available.
  C. The keychain system manages encrypted files that are used to securely save your items. By default, every user has login and Local Items keychains that use the same password as his account. Not even other administrative users can access your keychain secrets without knowing the keychain's password.