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macOS Support Essentials 12 > Manage Host Sharing and Personal Firewall > Flashcards

Manage Host Sharing and Personal Firewall Flashcards

1
Q

Where can you make adjustments to host-sharing services?

A

System Preferences > Sharing preferences pane

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2
Q

What sharing preferences can Standard users make adjustments to?

A
  1. Media Sharing

2. Bluetooth Sharing

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3
Q

True/False: Remote users can access services on your Mac if your Mac is in sleep mode.

A

False.

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4
Q

How can an admin user configure the network identification?

A
  1. The macOS by default chooses either the Bonjour name or the user created with Setup Assistant
  2. In Sharing preferences
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5
Q

What 12 sharing services does macOS Monterey include?

A
  1. DVD or CD Sharing (Remote Disc)
  2. Screen Sharing
  3. File Sharing
  4. Media Sharing
  5. Printer Sharing
  6. Remote Login
  7. Remote Management
  8. Remote Apple Events
  9. Bluetooth Sharing
  10. Internet Sharing
  11. Content Caching
  12. AirPlay Receiver
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6
Q

What is DVD or CD Sharing (Remote Disc)?

A

Enables you to share your Mac computer’s optical disk (if it has a built-in optical disc drive, or an external drive such as a SuperDrive DVD drive) over the network

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7
Q

What is Screen Sharing?

A

Enables remote control of your Mac

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8
Q

What is File Sharing?

A

Enables remote access to files on your Mac computer’s file system.

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9
Q

What is Media Sharing?

A

Allows other devices on your home network to browse, play, or copy music, movies, photos, and more.

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10
Q

What is Printer Sharing?

A

Allows network access to printers that are configured on your Mac

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11
Q

What is Remote Login?

A

Enables remote control of your Mac computer’s command line with Secure Shell (SSH)

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12
Q

What is Remote Management?

A

It augments the Screen Sharing service to allow remote administration of your Mac with the Apple Remote Desktop (ARD) app.

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13
Q

What is Remote Apple Events?

A

Allows apps and AppleScripts on another Mac to communicate with apps and services on your Mac

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14
Q

What is Bluetooth Sharing?

A

Allows access to your Mac with Bluetooth short-range wireless.

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15
Q

What is Internet Sharing?

A

Allows your Mac to reshape a single network or internet connection with other network interfaces

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16
Q

What is content caching?

A

It helps reduce internet bandwidth usage and speed up software installation and iCloud content sharing on Mac computers.

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17
Q

What is AirPlay Receiver?

A

New in macOS Monterey, it lets you and those you approve stream content to your Mac.

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18
Q

What is shared, by default, when File Sharing is turned on?

A

Each user’s Public folder

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19
Q

When you turn on content caching, what is the default setting for what gets cached?

A

All Content

20
Q

What are the three options of things that you cache in the Cache menu?

A
  1. All Content- Store shared content such as apps and software, and iCloud content such as photos and documents
  2. Only Shared Content- Store only shared content such as apps and software
  3. Only iCloud Content- Store only iCloud content, such as photos and documents
21
Q

What does the Share Internet Connection option do?

A

Turns on tethered caching

22
Q

What is tethered caching?

A

It enables sharing your Mac computer’s internet connection to iOS and iPadOS devices that are connected using USB

23
Q

What are the four settings you can make adjustments to in the Advanced Options of content caching?

A
  1. Storage
  2. Clients
  3. Peers
  4. Parents
24
Q

What does the Storage setting show in Advanced Options of Content Caching?

A

The configuration available when you click the Options button in Content Caching

25
Q

What does the Clients setting show in the Advanced Options of Content Caching?

A

Lets you configure which clients and networks you will provide content caching for

26
Q

When should you ensure that a content cache only receives requests for appropriate clients?

A

When you are on a larger network with multiple Mac computers.

27
Q

What does the Peers setting in Advanced Options of Content Caching do?

A

Helps you configure which other content caches to share content with

28
Q

What does the Parents setting in Advanced Options of Content Caching do?

A

Arrange your content cache hierarchy. When you add the IPv4 addresses of other content caches here, they are considered the parents to your Mac computer’s content cache.

29
Q

What subsystem is the content caching log messages written to?

A

com.apple.AssetCache

30
Q

What screen sharing tool, on the more administrative side, is available for purchase in the App Store?

A

Apple Remote Desktop (ARD)

31
Q

What is Apple’s screen-sharing services based on?

A

A modified version of the Virtual Network Computing (VNC) protocol.

32
Q

What 2 built in screen sharing tools are available with macOS?

A

Screen Sharing and Messages

33
Q

What setting do you need to turn on in order to access a Mac remotely?

A

Screen Sharing in the Sharing preferences pane in System Preferences

34
Q

True/False: Only one administrator account is allowed to access Screen Sharing services.

A

False, by default, only administrator accounts have access, but you can adjust Screen Sharing access for all users.

35
Q

What are the two ways to connect to another Mac with Screen Sharing?

A
  1. In Finder, choose Go > Network (Shift-Command-K), select a remote Mac, then click the Share Screen button.
  2. In the Finder, choose Go > Connect To Server, type “vnc://” followed by the Mac IP address, DNS hostname, or Bonjour name, then click Connect
36
Q

What needs to be turned on in order for you to be able to screen share in messages?

A

iMessage

37
Q

Why doesn’t Messages require a Mac to have Screen Sharing turned on in Sharing preferences?

A

Messages includes an authorization process for initiating a screen-sharing session with iCloud authentication and Messages.

38
Q

How do you initiate a screen-sharing session in Messages?

A

Start an iMessage chat with the other user and click the info button in the top right of the main Messages window. This opens a dialog where you can click the Share button and choose “Invite to Share My Screen” or “Ask to Share Screen”

39
Q

What is AirDrop?

A

AirDrop provides a quick and easy way to share files within local Wi-Fi and Bluetooth range. AirDrop creates a secure peer-to-peer network between local devices.

40
Q

True/False: AirDrop uses Wi-Fi networking, but you don’t need to be joined to a network to use AirDrop.

A

True. AirDrop creates a closed network between local Apple devices.

41
Q

What options are available for AirDrop discoverability on macOS Big Sur?

A

No One, Everyone, and Contacts Only

42
Q

What feature of a personal firewall ensures that allowed apps and services aren’t changed without your knowledge?

A

Code signing

43
Q

What are the four firewall settings in macOS Monterey?

A
  1. Block all incoming connections
  2. Automatically allow built-in software to receive incoming connections
  3. Automatically allow downloaded signed software to receive incoming connections
  4. Enable Stealth Mode
44
Q

How does enabling stealth mode affect the way your Mac communicates with other hosts?

A

Your Mac doesn’t respond to unauthorized network connections, including network diagnostic protocols like ping, traceroute, and ports scan.

45
Q

How does “Block all incoming connections” affect the way your Mac communicates with other hosts?

A

Your Mac won’t respond to incoming network connections except for those required for basic network services or established connections, such as those needed to browse the web or check email.

46
Q

What 5 troubleshooting steps should you take to troubleshoot network service communication?

A
  1. Double-check the shared Mac network configuration
    2 Double-check the Mac computer’s sharing service configuration
  2. Double-check the Mac computer’s firewall configuration
  3. Check for basic network connectivity to the shared Mac
  4. Check for network service port connectivity to the shared Mac

macOS Support Essentials 12 (28 decks)

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