Authentication mechanisms is (are) challenge-response authentication protocol en

Question

Authentication mechanisms is (are)

challenge-response authentication protocol

encryption of the radio channel

use of temporary identities

all of the above

a and b

When a mobile is switched on, it registers its current location in a

Home Location Register (HLR)

Switch mobile center

Vistor location register

Base station r

In first Generation (1G), a Cloning is happened when phone announced its identity in clear text over the radio link, therefore,

It is easy to pick up phone’s identity over the air

easy to reprogram phone with your phone’s identity

its security is high and hard to discover phone’s identity.

All of the above.

A&b

Explanation / Answer

Authentication mechanisms is:all of the above

When a mobile is switched on, it registers its current location in a:Home Location Register (HLR)

In first Generation (1G), a Cloning is happened when phone announced its identity in clear text over the radio link, therefore,::A&b

Thank you

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