Before cellphones are able to be used to browse the internet, play games, record videos and take photos, its main purpose is similar to a telephone, albeit it is more portable. Early cellphones would not have games for you to play, not would it have emails for you to check, read, and reply to. Though ringtones might seem as an acceptable option, early cellphones would also have many selections or even any for you to choose.
Thus, the best option would be (B) contact list, which is necessary for a cellphone to have since the owner would need the number to be able to make a call.
1.Extended border node (EBN)
2.Central directory server (CDS)
3.Branch extender (BEX or BrEx or BrNN)
You press and hold the "b" button on your left earmuff, but you have to hold it down as long as you want ANC (Automatic Noise Cancelling) to be turned off, in other words, as soon as you release the button, ANC will be turned back on. Unfortunately, this will also mute your music.
The command is Export-NpsConfiguration
An admin can export the entire NPS configuration from one NPS for import to another NPS. Standard precautions should be taken when exporting NPS configurations over the network. The command syntax that can be used for exporting the NPS configurations is Export-NpsConfiguration –Path <filename>