Lesson 23 - Manage Host Sharing and Personal Firewall Flashcards
Which sharing services can macOS Sierra provide?
The macOS Sierra sharing services include DVD or CD sharing, Screen Sharing, File Sharing, Printer Sharing, Scanner Sharing, Remote Login, Remote Management (ARD), Apple Events, Internet Sharing, and Bluetooth Sharing.
What’s the security risk of enabling client sharing services?
If a client sharing service is compromised, an unauthorized user can control your Mac and execute unwanted apps or processes.
Which app can provide on-demand screen sharing even when the Screen Sharing service isn’t enabled?
Messages provides on-demand screen sharing that you can use when the system screen sharing service isn’t enabled.
In macOS Sierra, what network service or services does Screen Sharing need?
In macOS Sierra, Messages screen sharing uses iMessage. Users on both Mac computers must sign in to iCloud.
What’s AirDrop, and how do you know if a specific Mac supports it?
AirDrop provides a quick and easy way to share files locally through Wi-Fi. AirDrop creates a secure peer-to- peer network between local devices. From the Finder Go menu, you can verify that a Mac supports AirDrop.
Assuming you have a brand-new Mac with macOS Sierra installed, what other devices will appear in the AirDrop browser with the default settings?
When you open the AirDrop browser on a late-model Mac with macOS Sierra, the browser shows only other late-model Mac computers with OS X Yosemite 10.10 or later, and late-model iOS devices with iOS 7 or later.
If other devices with AirDrop enabled don’t appear in the AirDrop browser, which two settings on a Mac can you change to potentially make more devices appear?
On a late-model Mac, you’ll find two settings at the bottom of the AirDrop browser that control AirDrop discovery. The first setting expands AirDrop discovery from only users in your Contacts to everyone within AirDrop range. The second setting makes AirDrop revert to the previous discovery method, which allows your Mac to discover older Mac computers and Mac computers running previous versions of Mac operating systems.
In what primary way does the macOS built-in firewall differ from a traditional network firewall?
With the firewall built into macOS Sierra, connections are allowed or denied on a per-app basis. This is unlike traditional network firewalls, where access rules are based on network service port numbers.
In macOS Sierra, what are the firewall settings?
In macOS Sierra, these are the firewall settings:
• Block all incoming connections.
• Automatically allow built-in software to receive incoming connections.
• Automatically allow downloaded signed software to receive incoming connections.
• Enable stealth mode.
