1 Which database needs to be updated so a smart phone knows

1. Which database needs to be updated so a smart phone knows which cell towers to connect with inside and outside the carrier\'s network?

2. Which protocol is a more secure alternative to using SMTP for outgoing email?

Solution

1) carriers figure out which mobile a person is using and how they are from Neighboring calls with technology cell id by knowing which sector of which base station a given phone is using database of base station identification number and locations the carriers caan know the phone\'s location with cell tower

1) GPS

2) assisted GPS

3) synthetic GPS

4) cell id

5) WiFi

6)inertial sensors

7) barometer

2) pop3 is standard mail protocol to recieve mails from remote server to client by default pop3 works on

Port 110 , port 995

Internet message access protocol for retrieving emails both are supported by all modern emails by default it works on two ports

Port 143, port 993

Too many network administrators think only to protect network resources from external attacks when assessing security threats companies large and small are better served when network administrators are equally concerned with threats that are associated with outbound connections organizations can improve their risk profile and be better by implementing egreas traffic filtering .