Apple Device Support > Networking Flash > Flashcards

Networking Flash Flashcards

(51 cards)

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1
Q

What are the three common Wi-Fi network types?

A

Public/Open networks, Private/Secured networks, and Captive/Subscription networks

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2
Q

What visual indicator shows a secured Wi-Fi network?

A

Lock icon beside the Wi-Fi name

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3
Q

Where are captive networks commonly found?

A

Hotels, airports, coffee shops, internet cafes, and other public locations

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4
Q

What are the current recommended Wi-Fi security standards?

A

WPA3 Enterprise, WPA3 Personal, WPA2/WPA3 Transitional, WPA2 Enterprise, WPA2 Personal

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5
Q

Which deprecated Wi-Fi security standards are NOT recommended?

A

WEP (Open and Shared), WPA, Dynamic WEP, TKIP

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6
Q

What is the most secure EAP authentication method?

A

EAP-TLS (uses digital certificates)

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7
Q

What are the available EAP methods for enterprise authentication?

A

EAP-TLS, EAP-TTLS, EAP-PEAP, EAP-FAST, EAP-MSCHAPv2

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8
Q

What is the purpose of private Wi-Fi addresses?

A

Prevents cross-network device tracking and profiling by using unique MAC addresses per network

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9
Q

What are the three private Wi-Fi address options in iOS 18+?

A

Off (uses hardware MAC), Fixed (same private address per network), Rotating (changes every 2 weeks)

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10
Q

Which option provides the most privacy for Wi-Fi addresses?

A

Rotating (changes private address every 2 weeks)

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11
Q

When might you need to disable private Wi-Fi addresses?

A

For networks using MAC address filtering

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12
Q

What is the Auto-Join Wi-Fi setting?

A

Controls automatic connection to known networks

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13
Q

What does the Forget Network feature do?

A

Removes saved passwords and connection settings

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14
Q

Where do you configure DNS settings on Mac?

A

System Settings > Network > [Interface] > Details > DNS

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15
Q

What determines network interface priority on Mac?

A

Service order in Network preferences

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16
Q

How do you access Wireless Diagnostics on Mac?

A

Option-click Wi-Fi icon > Open Wireless Diagnostics

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17
Q

What command tests basic network connectivity between devices?

A

ping command (ping <ip>)</ip>

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18
Q

What does DHCP lease renewal do?

A

Forces Mac to request new IP configuration from DHCP server

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19
Q

What are Personal Hotspot connection methods?

A

Wi-Fi (multiple devices), Bluetooth (single device), USB (single device, fastest)

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20
Q

What are Instant Hotspot requirements?

A

Same Apple Account, Wi-Fi and Bluetooth enabled, device proximity

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21
Q

What frequency does Personal Hotspot use by default?

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A

5GHz by default; ‘Maximize Compatibility’ switches to 2.4GHz

22
Q

What happens to third-party devices connected to Personal Hotspot after 90 seconds of no traffic?

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A

They automatically disconnect

23
Q

What URL can manually trigger a captive portal?

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A

captive.apple.com

24
Q

What are the two captive network dismissal options?

Study These Flashcards
A

Without Internet (use network without internet) or Other Network (try different Wi-Fi)

25
Where is Wireless Diagnostics saved on Mac?
/private/var/tmp folder
26
What does Wireless Diagnostics monitor?
Intermittent connection issues, signal strength, interference, channel usage
27
What can you monitor using Activity Monitor's dock icon?
Network usage
28
What are common Wi-Fi troubleshooting steps?
Verify Wi-Fi enabled, confirm password, restart device, forget/rejoin network, reset Network Settings
29
What does VPN exception mean in network service order?
VPN connections automatically take priority over non-VPN connections
30
When might private Wi-Fi addresses need enterprise network updates?
Organizations should update network infrastructure to support private addresses
31
Why don't devices need to be on the same Wi-Fi network for AirDrop?
AirDrop uses peer-to-peer Wi-Fi and Bluetooth, not network infrastructure
32
What happens if you decline a captive portal but want network access?
You can choose 'Without Internet' to use network without internet access
33
Why do Apple devices generate different MAC addresses for each Wi-Fi network?
To prevent device fingerprinting and tracking across different locations and networks
34
When connecting to enterprise Wi-Fi with EAP-TLS, what must be distributed to devices?
Digital certificates for both device authentication and server trust validation
35
If a Mac has both Ethernet and Wi-Fi active, which connection will Safari use for internet browsing?
The interface that's first in the service order list, not necessarily the fastest or most secure
36
What security trade-off occurs when enabling 'Maximize Compatibility' on Personal Hotspot?
Switches from 5GHz to 2.4GHz, reducing both performance and security
37
Why might an enterprise network administrator need to update infrastructure for private Wi-Fi addresses?
Legacy systems using MAC address filtering or device tracking will break with randomized addresses
38
What happens to network settings when you reset Network Settings on iOS?
All Wi-Fi passwords, VPN settings, and cellular settings are erased and must be reconfigured
39
If Wireless Diagnostics detects an issue during monitoring, what should you document?
Brief description of the issue and enter details about the wireless network for the diagnostics report
40
Why can't you connect to a Personal Hotspot even though it appears in Wi-Fi settings?
'Allow Others to Join' must be enabled in Personal Hotspot settings
41
What determines whether a device automatically connects to a previously used Wi-Fi network?
The Auto-Join setting for that specific network in Wi-Fi settings
42
Why might EAP-TLS be preferred over EAP-PEAP in high-security environments?
EAP-TLS uses mutual certificate authentication and is immune to password-based attacks
43
What network diagnostic information can you gather by Option-clicking the Wi-Fi menu on Mac?
Additional network details and access to Wireless Diagnostics tools
44
If a device shows 'Attached' but not 'Connected' for iPhone USB in Mac Network settings, what should you try?
Click Apply to establish the connection
45
What privacy benefit does MAC address randomization provide beyond preventing tracking?
Prevents creation of persistent device profiles and reduces location-based profiling capabilities
46
Why do captive networks not appear differently from other unsecured networks in Wi-Fi lists?
The captive portal requirement is only discovered after attempting to connect to the network
47
What's the relationship between network service order and actual traffic routing on Mac?
Mac uses the highest priority service that can reach the destination, not necessarily the first in the list
48
If Personal Hotspot family sharing is enabled, what permission options are available?
Automatic connection for family members or 'Ask for Approval' for each connection attempt
49
What enterprise consideration is important when planning EAP-TLS certificate deployment?
Certificate lifecycle management including renewal scheduling and revocation procedures
50
Why might an organization choose Fixed over Rotating private Wi-Fi addresses?
Fixed provides privacy benefits while maintaining consistent device identification for network management
51
What happens to internet connectivity if you use 'Without Internet' option on a captive network?
Device remains connected to the network but cannot access internet resources until authentication is completed

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