Frame, packet, segment, and lastly data shows the correct order of PDU de-encapsulation when a device receives messages from a network.
If you are using a start network topology and your central device crashes, you'll be out of luck. Once that is no longer able to send and receives messages then nobody else in the network will be able to community with each other.
nslookup.exe
WAP = Wide Area Paging. GPRS = General Packet Radio Service. It's basically the system by which the mobile phone network sends and receives data, MMS and SMS messages.
Service network
packets
Class D
router
-Programmed services and protocols that move the messages across the network -Technologies that support network communications
SMS
No.
Network card/ adaptor
LAN (internet)