IFT Wireless UPDATED ACTUAL Exam
Questions and CORRECT Answers
When first introduced, cellular networks were a revolutionary development in data
communications - CORRECT ANSWER - True
A Handoff (or handover) changes the routing of an ongoing voice call from one cell to another -
CORRECT ANSWER - True
The SIM card enables international roaming independent of mobile equipment - CORRECT
ANSWER - True
A correlation function equals 1 if the two codes are identical - CORRECT ANSWER -
True
GSM networks used circuit switch telephony initially - CORRECT ANSWER - True
A correlation function equals 1 if the two codes have nothing in common - CORRECT
ANSWER - False
The evolved packet core uses circuit-switched connectivity - CORRECT ANSWER - False
In LTE, mobile devices can be assigned multiple IP addresses - CORRECT ANSWER -
True
In LTE, ciphering of RRC messages is mandatory - CORRECT ANSWER - False
During SIP registration an IPsec tunnel is established between the UE and P-CSCF - CORRECT
ANSWER - True
, Session initiation Protocol, SIP us a generic protocol used for establishment of a connection
between two or more parties - CORRECT ANSWER - True
End to end service is completely controlled by LTE - CORRECT ANSWER - False
Select the characteristics of the visited location register - CORRECT ANSWER - One
VLR can support multiple MSCs
Has some permanent mobile station data
How many generations of cellular standards were developed by to arrive at the modern day
standard - CORRECT ANSWER -5
Authentication ensures your ______________ and ________________ for a registered user -
CORRECT ANSWER - IMEI; SIM
In the UMTS Channel structure, what is the role of the transport channel? - CORRECT
ANSWER - Prepare data packets that are received from logical channels for transmission
over air interface
What is the role of the Random Access Channel (RACH) ? - CORRECT ANSWER -
Device used to send RRC connection request messages from mobile device to network
Bidirectional logical CCCH on uplink transport layer
The Serving GPRS Support Node (SGSN) PMM detached occurs when the
__________________ - CORRECT ANSWER - Mobile device is switched off and
location unknown. No assigned IP address
In LTE, how many types of carrier aggregation are there? - CORRECT ANSWER -4
Questions and CORRECT Answers
When first introduced, cellular networks were a revolutionary development in data
communications - CORRECT ANSWER - True
A Handoff (or handover) changes the routing of an ongoing voice call from one cell to another -
CORRECT ANSWER - True
The SIM card enables international roaming independent of mobile equipment - CORRECT
ANSWER - True
A correlation function equals 1 if the two codes are identical - CORRECT ANSWER -
True
GSM networks used circuit switch telephony initially - CORRECT ANSWER - True
A correlation function equals 1 if the two codes have nothing in common - CORRECT
ANSWER - False
The evolved packet core uses circuit-switched connectivity - CORRECT ANSWER - False
In LTE, mobile devices can be assigned multiple IP addresses - CORRECT ANSWER -
True
In LTE, ciphering of RRC messages is mandatory - CORRECT ANSWER - False
During SIP registration an IPsec tunnel is established between the UE and P-CSCF - CORRECT
ANSWER - True
, Session initiation Protocol, SIP us a generic protocol used for establishment of a connection
between two or more parties - CORRECT ANSWER - True
End to end service is completely controlled by LTE - CORRECT ANSWER - False
Select the characteristics of the visited location register - CORRECT ANSWER - One
VLR can support multiple MSCs
Has some permanent mobile station data
How many generations of cellular standards were developed by to arrive at the modern day
standard - CORRECT ANSWER -5
Authentication ensures your ______________ and ________________ for a registered user -
CORRECT ANSWER - IMEI; SIM
In the UMTS Channel structure, what is the role of the transport channel? - CORRECT
ANSWER - Prepare data packets that are received from logical channels for transmission
over air interface
What is the role of the Random Access Channel (RACH) ? - CORRECT ANSWER -
Device used to send RRC connection request messages from mobile device to network
Bidirectional logical CCCH on uplink transport layer
The Serving GPRS Support Node (SGSN) PMM detached occurs when the
__________________ - CORRECT ANSWER - Mobile device is switched off and
location unknown. No assigned IP address
In LTE, how many types of carrier aggregation are there? - CORRECT ANSWER -4
