Managing Device Networking Flashcards

1
Q

It’s recommended that all Wi-Fi implementations be migrated to ____ or ____, to provide the most robust, secure, and compatible Wi-Fi connections possible

A

WPA3 Personal or WPA3 Enterprise

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2
Q

What are the three most common network types?

A
  1. Public or Open Network - It often doesn’t require a password and is relatively easy to join
  2. Private or Secured Network - It usually requires a password to join
  3. Captive or Subscription Network - typically requires some form of authentication, payment, or access code to join
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3
Q

What does a lock icon beside the Wi-Fi icon mean?

A

identifies a secure Wi-Fi network

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4
Q

What are the two options if you choose not to provide credentials in a captive/subscription network?

A
  1. Without Internet - Dismisses the welcome page and turns off Auto-Login for the network. Your device remains associated with the network and you can use it without internet access.
  2. Other Network - Closes welcome page, disassociates your device from the network, and returns to the Wi-Fi settings screen to choose a different network
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5
Q

If the captive portal page doesn’t appear or you accidentally closed the page, you can force it to reopen by typing ____ in the Safari search field

A

captive.apple.com

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6
Q

This unique static address is your device’s private Wi-Fi address, used for that network alone

A

Media Access Control (MAC) address

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7
Q

If the device forgets the network, then it will also forget the private address used with that network unless it has been less than ____ hours since the network was last forgotten

A

24

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8
Q

If Private Wi-Fi Address is set to Rotating, the device uses a private address that rotates to a different private address every ____ weeks

A

2

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9
Q

Your device chooses Fixed Private Wi-Fi address setting by default when joining a new network that uses ____ security.

A

WPA2 or stronger

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10
Q

Steps for turning on Private Wi-Fi address?

A

iPhone: Settings > Wi-Fi > Edit (upper right corner) > More Info button next to network name > Private Wi-Fi Address choose Off, Fixed, or Rotating

Mac: System Settings > Wi-Fi > Details or More button next to network name > Private Wi-Fi address choose Off, Fixed, or Rotating

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11
Q

If your device connects to a Wi-Fi network but has no internet access, what’s the first thing you should do?

A

connect to that Wi-Fi network with another device

If your device can’t connect to any Wi-Fi network, you can try resetting Network settings or restarting your device

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12
Q

Which option turns off Auto-Login when joining a captive network without valid credentials on iPhone or iPad?

A. Cancel

B. Other Network

C. Without Internet

A

C. Without Internet

This option turns off Auto-Login for the selected network, but lets you use the network without connecting to the internet.

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13
Q

What are the supported Wi-Fi payload identifiers?

A

com.apple.MCX(WiFi),
com.apple.wifi.managed,
com.apple.builtinwireless.managed

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14
Q

You can share your Mac’s connected Wi-Fi network’s password to another device you own, even if your own Apple account is not in your contact list

A. True
B. False

A

B. False

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15
Q

What are the requirements to share a Wi-Fi password from your Mac with another nearby device?

A
  • You’re signed in to your Apple account on your Mac
  • The other device is signed in to their Apple Account
  • The other person is in your contacts list in the Contacts app
  • The other device is close to your Mac

On the other device, choose the Wi-Fi network, On your Mac, wait a few moments for the Wi-Fi Password notification to appear, then click Share.

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16
Q

How do you view the Wi-Fi password on your Mac through System Settings?

A

System Settings > Network (sidebar) > Wi-Fi > Advanced > More button > Copy Password (clipboard)

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17
Q

How do you reset the network settings of your iPhone?

A

Settings > General > Transfer or Reset [device] > Reset > Reset Network Settings

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18
Q

____ is a mixed mode that uses WPA3 Personal with devices that support that protocol, while allowing older devices to use WPA2 Personal (AES) instead.

A

WPA2/WPA3 Transitional

Set to WPA2/WPA3 Transitional for compatibility with older devices

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19
Q

____ prioritizes network traffic to improve the performance of a variety of network applications, such as video and voice

A

WMM (Wi-Fi multimedia)

All routers that support Wi-Fi 4 (802.11n) or later should have WMM enabled by default

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20
Q

____ helps to ensure that your device can reliably see and connect to nearby devices, and that it performs well when using Wi-Fi or features that rely on Wi-Fi, such as AirPlay or AirDrop.

A

Location Services

Make sure that your device has Location Services turned on for Wi-Fi networking, because regulations in each country or region define the Wi-Fi channels and wireless signal strength allowed there

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21
Q

How do you turn on Location Services to improve Wi-Fi and Bluetooth?

A

Mac
Settings > Privacy & Security > Location Services > scroll to System Services and click Details button > Turn on Networking and wireless

iPhone/iPad/Apple Vision Pro
Settings > Privacy & Security > Location Services > Turn on > Scroll to System Services > Turn on Networking & Wireless (or Wi-Fi Networking)

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22
Q

How do you turn off Auto-Join for wireless carrier Wi-Fi public networks?

A

Settings > Wi-Fi > Edit (corner) > Scroll to Managed Networks and tap More Info button next to the name of a network > Turn off Auto-Join

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23
Q

If you forget a Wi-Fi network with iCloud Keychain enabled, other devices using iCloud Keychain may also forget the network

A. True
B. False

A

A. True

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24
Q

Location Services lets apps and websites access your location. To figure out where you are, your device uses available information from ____, ____, ____, and the ____.

A

GPS signals, Bluetooth connections, local Wi-Fi networks, cellular network

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25
Q

____ determines whether a map appears in location notifications and alerts.

A

Location Alerts

By default, Show Map in Location Alerts is turned on

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26
Q

Turning off ____ provides only a general location to apps, not your exact location

A

Precise Location

Turning off Precise Location limits location data for an app to an approximate location within a 10-mile range of the actual location.

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27
Q

When you turn on ____, iOS and iPadOS begin to collect information on how often an app accesses your location, camera, photos, contacts, microphone, and other network activities.

A

App Privacy Report

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28
Q

Where can you find the setting to receive a request for every app that wants to track your iPhone?

A

Settings > Privacy & Security > Tracking > Turn on Allow Apps to Request to Track

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29
Q

After turning off Private Address, your device will need to rejoin the network with the hardware MAC address.

A. True
B. False

A

A. True

30
Q

To improve your privacy, ____ generates a new MAC address for each network you connect to

A

Private Wi-Fi Address

31
Q

If you have multiple active connections, your computer tries the one at the bottom of the list first, then tries the others in ascending order

A. True
B. False

A

B. False

If you have multiple active connections, your computer tries the one at the top of the list first, then tries the others in descending order.

32
Q

You can’t change the order of virtual private network (VPN) connections because they already take priority over non-VPN connections

A. True
B. False

A

A. True

33
Q

How do you change the order of the network services your Mac uses?

A

System Settings > Network >Click the Action pop-up menu , then choose Set Service Order.

Drag services into the order you want.

34
Q

What is the supported Firewall payload identifier in an MDM solution?

A

com.apple.security.firewall

35
Q

Most MDM solutions accept inbound connections using HTTPS on port ____

A

443

36
Q

Both the MDM solution and the devices must communicate with the Apple Push Notification service. Prior to November, 2020, MDM solutions used ports ____ and ____ with APNs; clients use port ____. After November 2020, MDM solutions use port ____

A

2195, 2196, 5223, 2197

37
Q

If macOS Ventura, iOS, or iPadOS finds multiple private or public networks, macOS Ventura, iOS, or iPadOS prioritizes networks by the following criteria, in what order?

A
  1. Configuration method (iOS 16.4, iPadOS 16.4, and macOS Ventura 13.3 or later): Private networks configured using a mobile device management (MDM) profile are preferred over manually joined networks.
  2. Highest supported Wi-Fi standard: For example, Wi-Fi 6 networks are preferred over Wi-Fi 5 networks.
  3. Frequency band: 6 GHz, then 5 GHz, then 5 GHz (DFS), then 2.4 GHz.
  4. Security: WPA Enterprise, then WPA Personal, then WEP.
  5. Signal strength

Unsecured / Open networks will not be auto-joined unless the network was connected to within the past two weeks.

38
Q

Mac computers monitor and maintain the current BSSID’s connection until the RSSI crosses the ____ dBm threshold

A

–75

39
Q

iPhone and iPad devices monitor and maintain the basic service set identifier (BSSID)’s connection until the received signal strength indicator (RSSI) exceeds ____ dBm

A

–70

40
Q

On your Mac, how do you enter VPN settings manually?

A

System Settings > Network (sidebar) > Click Action pop-up menu (…) > Add VPN Configuration > choose the type of VPN connection

41
Q

On your iPhone/iPad, how do you enter VPN settings manually?

A

Settings > VPN > Add VPN Configuration

42
Q

On your Mac, how do you show or hide the VPN status menu in the menu bar?

A

System Settings > Control Center (sidebar) > Menu Bar Only > click pop-up menu next to VPN > Choose Show/Hide in Menu Bar

To quickly remove the VPN status menu from the menu bar, Command-click the icon, then drag it out of the menu bar.

43
Q

On your Mac, how do you connect to or disconnect from a VPN?

A
  1. click the VPN status menu in the menu bar.
  2. Choose a VPN to connect to or disconnect from
44
Q

In System Settings > Network,

A ____ indicator means that the service is active and connected.
____ indicates that the service is active but not connected.
____ indicates that the service hasn’t been set up or isn’t connected

A

green,
Yellow,
Red

45
Q

How do you force the Mac to renew the current IP address (to resolve connection issues in some cases)?

A

System Settings > Network > Wi-Fi > beside connected Network, click Details > TCP/IP > Configure IPv4, choose Using DHCP > Click Renew DHCP Lease

46
Q

If your device is unable to obtain an IP address from a DHCP server, the Automatic Private Internet Protocol Addressing (APIPA) process self-assigns your Mac an IP address starting with ____.

A

169.254

47
Q

Which Terminal command can help you determine whether a communication issue is related to your computer, your connection, or a remote device?

A

Ping

Pinging can help you determine whether a communication issue is related to your computer, your connection, or a remote device.

48
Q

After receiving several ping responses in Terminal, how do you end the ping process?

A

Control-C

49
Q

Where should you check the status of your network connection?

A. Accessibility settings

B. Network settings.

C. General settings

D. Find My app

A

B. Network settings

You can check the status of a network connection, such as Ethernet or Wi-Fi, in Network settings.

50
Q

Where in Network settings can you renew your DHCP lease?

A. Other Services > Set Service Order

B. [service name] > Details > TCP/IP

C. [service name] > Known Networks > Network Settings

D. Other Services > Add Service

A

B. [service name] > Details > TCP/IP

Click the Renew DHCP Lease button to renew your lease.

51
Q

Use the ____ feature in macOS to quickly switch between different sets of network settings

A

network location

52
Q

On your latest macOS device, where can you find the Network Locations feature?

A

Apple menu > System Settings > Network > Under “Other Services” Action pop-up menu (…) > Locations > Edit Locations

53
Q

On your Mac, how do you switch between network locations? (aside from Settings>Network)

A

Apple menu > Location

This option appears only when you have more than one location in Network settings

54
Q

How do you make a network service inactive

A

System Settings > Network > Control-click the network > choose Make Service Inactive

55
Q

How do you open Wireless Diagnostics?

A

Hold Option key, click Wi-Fi icon in the menu bar > Open Wireless Diagnostics

56
Q

Wireless Diagnostics also generates a ____ file that contains details that may be useful to your network administrator, service provider, or IT support person

A

compressed

57
Q

The Wireless Diagnostic file is saved in the folder ____.

A

/var/tmp

58
Q

The Wireless Diagnostic file starts with ____ and ends with ____.

A

WirelessDiagnostics , .tar.gz

59
Q

What are the different Wi-Fi menu icons on Mac, and what do they mean?

A
  • Solid Wifi icon - Wi-Fi is on
  • Wifi icon with slash - off or not available
  • Grayed-out Wifi icon - On but not associated with a network
  • Chain-looking icon - The Mac is using an internet connection shared by an iPhone or iPad
  • Wifi icon with a computer inside - The Mac is connected to another device using a temporary Wi-Fi connection
  • Wifi icon with an arrow inside pointing upwards - The Mac is sharing its internet connection over Wi-Fi
  • Wifi icon with an exclamation point in the middle - No internet. This icon is displayed when a router and IP address can’t be assigned to the Wi-Fi interface

refer to > https://support.apple.com/en-ph/guide/mac-help/mchlcedc581e/15.0/mac/15.0

60
Q

How do you use the Wi-Fi status menu to get details about your Mac’s Wi-Fi connection?

A

Option-click the Wi-Fi icon in the menu bar

View the information below the Wi-Fi network you’re connected to

61
Q

Microwave ovens, cordless phones, and many other devices share the same frequencies as the ____ GHz band

A

2.4

The 5 GHz band is much better suited for Wi-Fi usage

62
Q

Wireless coverage should be present throughout the workspace. If legacy devices are in use, both Wi-Fi bands—____ and ____—should be central to your design plan.

A

802.11b/g/n/ax 2.4 GHz and 802.11a/n/ac/ax 5 GHz

63
Q

Devices can connect to a Personal Hotspot using which methods?

A
  • Wi-Fi to wirelessly connect to one or more devices at the same time
  • Bluetooth for a wireless connection to a Mac or PC
  • USB for a wired connection to a Mac or PC
64
Q

How do you set up Personal Hotspot on iPhone

A

Settings > Personal Hotspot > tap Allow Others to Join

Your Wi-Fi network name is your device name, which you can change in Settings > General > About.

65
Q

What do you need to check before setting up Personal Hotspot?

A

Make sure that your devices have Wi-Fi and Bluetooth turned on.

Your devices must be within 30 feet (10 meters) of one another.

If you’re sharing your Personal Hotspot with your Apple devices, it’s faster to connect if you sign in to the same Apple Account on both devices.

66
Q

Personal Hotspot uses a ____ Ghz connection by default

A

5

67
Q

On iPhone 12 or later, you can turn on ____ for Personal Hotspot to use a 2.4GHz connection

A

Maximize Compatibility

(Settings > Personal Hotspot > enable Maximize Compatibility)

Turning on Maximize Compatibility might reduce internet performance and Wi-Fi security for devices connected to the hotspot

68
Q

____ helps reduce your data use over Personal Hotspot Wi-Fi networks. You can turn it on to pause background tasks like automatic updates

A

Low Data Mode

In Personal Hotspot Wi-Fi settings, tap to turn on Low Data Mode.

69
Q

What is required to set up Instant Hotspot?

A. iOS 14 or later

B. Each device is signed in to iCloud with the same Apple ID

C. A USB connection from iPhone to your Mac

D. A secure Wi-Fi password

A

B. Each device is signed in to iCloud with the same Apple ID

Each device must be signed in to iCloud with the same Apple ID and have both Wi-Fi and Bluetooth turned on to use Instant Hotspot.

70
Q

When connecting to Personal Hotspot with Wi-Fi, what is the name of the network?

A. Instant Hotspot

B. Personal Hotspot

C. Your Apple ID

D. Your device name

A

D. Your device name

The Personal Hotspot network name matches the name of your host device.

71
Q

Which connection option requires a Personal Hotspot password?

A. USB

B. Wi-Fi

C. Instant Hotspot

A

B. Wi-Fi

Wi-Fi requires the Personal Hotspot Wi-Fi password.