3

Question 1

What are the goals of 5g enhancement?

Answer 1

data rate above 1 mbps and support more users

Question 2

What are the 5 5g enhancements?

Nigeria needs some big money

Answer 2

New Frequency bands
Small cells
Massive MIMO
Bream forming
Network Slicing

Question 3

What 5g enhancement could not pass through obstacles and gets absorbed by organic materials and features mm waves?

Answer 3

New frequency bands

Question 4

_____________ strategically places base stations in areas to receive mm wave freq. Used in densely populated areas.

Answer 4

Small cells

Question 5

____________ adds more antennas on a cell tower. This has what issue?

Answer 5

Massive MIMO
causes massive interference

Question 6

___________ focuses a signal directly to the receiver to reduce interference

Answer 6

Beam forming

Question 7

________________ takes a 5g network cell and splitting it to dedicated virtual networks

Answer 7

Network Slicing

Question 8

2G
Air Interferance:
Radio Access Network:
RAN Antenna:
RAN Controller:

Answer 8

Um
Geran
BTS
BSC

Question 9

3G:
Air Interferance:
Radio Access Network:
RAN Antenna:
RAN Controller:

Answer 9

Uu
UTRAN
NodeB
RNC

Question 10

4G:
Air Interferance:
Radio Access Network:
RAN Antenna:
RAN Controller:

Answer 10

LTE-UU
E-UTRAN
eNodeB
eNodeB

Question 11

5G:
Air Interferance:
Radio Access Network:
RAN Antenna:
RAN Controller:

Answer 11

5G-NR
5G-Ran
gNodeB
gNodeB

Question 12

_________ is spoofing caller ID/”Hacking voicemail”

Answer 12

Voice mail exploitation

Question 13

2G/3G eavesdropping
What AS Series encryption includes no encryption and has mandatory support?

Answer 13

A5/0

Question 14

2G/3G eavesdropping
What AS Series encryption includes:
64 bit encryption, voice only, can be broken by rainbow tables?

Answer 14

A5/1

Question 15

2G/3G eavesdropping
What AS Series encryption includes:
40 bit encryption; and is the export version sent too other countries

Answer 15

A5/2

Question 16

2G/3G eavesdropping
What AS Series encryption includes:
128 bit encryption; includes voice and data, replaced the A5/1

Answer 16

A5/3

Question 17

What Cellular exploit features Snow 3G encryption and downgrade attacks.
What is aLTEr?

Answer 17

4G Eavesdropping
Takes advantage of the lack of protection in the data link layer

Question 18

____________ attacker sets up their own cell tower and lure victims into connecting to it.

What kind of authentication does 2G,3G,and 4G have?

Answer 18

Rogue base station
2- one way
3,4 - mutual authentication

Question 19

_____________ provides a complete cellular protocol stack or a mini cell tower

What is its security concern?

Answer 19

femtocell
physical point of access

Question 20

_________ is an cellular users’ identification which transfers through cellular devices, what is this called for 2G,3G, and 4G?

What is law enforcements machine that does this called?

Answer 20

IMSI Catchers
- 2G/3G - TMSI
-4G - GUTI

Question 21

_________________ uses a wifi connection into the cellular network instead of a cellular connection. This called also be called __________________. Making it culnerable to WifiMitM includiong vulnerabilites such as ___________, __________, and ____________

Answer 21

Wifi Calling
Unlicensed Mobile Access
Trojan
Rogue AP
ARP cache poisoning

Question 22

________________ is a suite of protocols used to set up, maintain, and tear down cellular communications on the PTSN.

Answer 22

Signaling System 7

Question 23

LTE-M
Frequency/channel:
data rate:
capabilities(3)?

Answer 23

1.4MHz
300kbs-1Mpbs
Roaming/mobility
full duplex
low latency
10-15 msec

Question 24

NB-IOT
Frequency/channel:
data rate:
capabilities(3)?

Answer 24

200 khz
lt 100 kbps up to 250 kbps
No Roaming
Half duplex
High Latency
1.6-10 seconds

Question 25

_______ is the organization responsible for the global coordination of the RF spectrum

Answer 25

ITU

Question 26

________ is the United States coordinator of the RF spectrum within the 2.4 Ghz frequency channels 1-11 are ____________ channels 12, 13 are _________ there are ___ channels of separation Within 5Ghz there are _____ overlapping channels going from _____-______ UNII 1,3 __________________ UNII 2, 2E _________________ WIthin 6Ghz there are _____ # of overlapping channels

Answer 26

FCC full power low power 5 25 36-165 Do not support DFS support DFS 59

Question 27

____________ creates and maintains standards for electronic equipment

Answer 27

IEEE

Question 28

________________ certify inter-vendor compatibility w/ adherence to the 802.11 standard

Answer 28

Wifi Alliance

Question 29

Which of these belong to the 2.4 GHz range? What bleonmg to the 5Ghz range? 802.11 (Prime) 802.11a 802.11b 802.11g 802.11n 802.11ac 802.11ax

Answer 29

Pbgnax 802.11 (Prime) 802.11b 802.11g 802.11n 802.11ax anacax 802.11a 802.11n 802.11ac 802.11ax

Question 31

What data rates do these belong too? 11, 54, 150, 2, 1,2

Answer 31

2, 11, 54, 150, 1,2 p b g n ax

Question 32

What data rates do these belong too? 1.2, 54, 150, 867

Answer 32

802.11a 802.11n 802.11ac 802.11ax