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3 Flashcards

1
Q

What are the goals of 5g enhancement?

A

data rate above 1 mbps and support more users

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2
Q

What are the 5 5g enhancements?

Nigeria needs some big money

A

New Frequency bands
Small cells
Massive MIMO
Bream forming
Network Slicing

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3
Q

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

A

New frequency bands

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4
Q

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

A

Small cells

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5
Q

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

A

Massive MIMO
causes massive interference

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6
Q

___________ focuses a signal directly to the receiver to reduce interference

A

Beam forming

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7
Q

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

A

Network Slicing

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8
Q

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

A

Um
Geran
BTS
BSC

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9
Q

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

A

Uu
UTRAN
NodeB
RNC

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10
Q

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

A

LTE-UU
E-UTRAN
eNodeB
eNodeB

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11
Q

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

A

5G-NR
5G-Ran
gNodeB
gNodeB

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12
Q

_________ is spoofing caller ID/”Hacking voicemail”

A

Voice mail exploitation

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13
Q

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

A

A5/0

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14
Q

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

A

A5/1

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15
Q

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

A

A5/2

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16
Q

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

A

A5/3

17
Q

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

A

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

18
Q

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

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

A

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

19
Q

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

What is its security concern?

A

femtocell
physical point of access

20
Q

_________ 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?

A

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

21
Q

_________________ 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 ____________

A

Wifi Calling
Unlicensed Mobile Access
Trojan
Rogue AP
ARP cache poisoning

22
Q

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

A

Signaling System 7

23
Q

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

A

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

24
Q

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

A

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

25
Q

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

A

ITU

26
Q

________ 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

A

FCC

full power
low power
5

25
36-165

Do not support DFS
support DFS

59

27
Q

____________ creates and maintains standards for electronic equipment

A

IEEE

28
Q

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

A

Wifi Alliance

29
Q

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

A

Pbgnax

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

30
Q
A
31
Q

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

A

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

32
Q

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

A

802.11a
802.11n
802.11ac
802.11ax

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