Gsm Location Area Codes

Question 1

Expand LAC

Answer 1

Location area code

Question 2

What does a lac identify ?

Answer 2

A location area within a public land mobile network

Question 3

How many digits in a location area code ?

Answer 3

16

Question 4

What is a mobile station constantly sending to the network in regards to its location ?

Answer 4

A location area identity or LAI

Question 5

What three elements make up a LAI ?

Answer 5

Mobile country code

Mobile network code

Location area code

Question 6

Which base transceiver stations does the network contact when a mobile station has an incoming call ?

Answer 6

All the base transceiver stations within the location area code

Question 7

Expand cbi

Answer 7

Cell global identity

Question 8

What is the cell global identity made up of ?

Answer 8

Mobile country code

Mobile network code

Location area code

Cell identity

Question 9

What does the cell global identity do ?

Answer 9

Help the network find the mobile station more accurately when it has an incoming or outgoing call

Question 10

When does a mobile station perform a location update ?

Answer 10

Powering on

Periodic update t3212

Change of location area code

New cell same location area code

Powering off