1.0 Mobile Devices Flashcards
POP3 Ports
tcp/110
tcp/995 SSL (Secure Socket Layer)
IMAP Ports
tcp/143
tcp/993 SSL (Secure Socket Layer)
SMTP Ports
tcp/25
tcp/587 (Secure Socket Layer)
IMAP Definition
Internet Message Access Protocol
STMP Definition
Simple Mail Transfer Protocol
POP3 Definition
Post Office Protocol 3
Retrieving mail Protocol
POP3
IMAP
Sending Mail Protocol
STMP
S/MIME Definition
Secure/Multipurpose Internet Mail Extensions
• Encrypt and digitally sign
IMEI Definition
MEI
• International Mobile Station Equipment Identity
• Identifies a physical mobile device
• Every phone has a different IMEI
• Can be used to allow or disallow access
IMSI Definition
- International Mobile Subscriber Identity
- Identifies the user of a mobile network
- Can be provisioned in the SIM card
- Swap the SIM to move between phones
PRL Updates Definition
- Preferred Roaming List
- CDMA networks (i.e., Verizon, Sprint)
- Allows your phone to connect to the right tower
- Can be updated over the air (OTA)
PRI Updates Definition
• Product Release Instructions
• Radio settings - ID numbers, network codes,
country codes, etc.
• Also updated over the air
Baseband radio processor Definition
- A network interface for your radio
- This isn’t WiFi or Bluetooth
- Has its own firmware and memory
- Quite proprietary
- Real-time operating system
- Everything happens very quickly as needed
- The firmware can be updated
- Over the air (OTA)
- Invisible to the end user
LCD Lighting
CCFL Inverter