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Wireless Architectures Flashcards

1
Q

An […] WLC is integrated within a switch.

A

Embedded

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2
Q

A […] WLC is integrated within an AP.

A

Mobility Express

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3
Q

A […] WLC is a VM running on a server, usually in a private cloud in a data center.

A

Cloud-based

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4
Q

A […] WLC is a hardware appliance in a central location of the network.

A

Unified

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5
Q

A Mobility Express WLC can support about […] APs.

A

100

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6
Q

An Embedded WLC can support about […] APs.

A

200

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7
Q

A Cloud-based WLC can support about […] APs.

A

3000

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8
Q

A Unified WLC can support about […] APs.

A

6000

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9
Q

[…] AP architecure is between autonomous AP and split-MAC architecture in terms of functionality.

A

Cloud-based

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10
Q

Cisco […] is a popular cloud-based AP solution.

A

Meraki

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11
Q

Which lightweight AP operating mode adds FlexConnect functionality to the Bridge/Mesh mode?

A

Flex plus Bridge

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12
Q

Which lightweight AP operating mode can form a dedicated bridge between sites?

A

Bridge/Mesh
(a mesh can be formed between the APs)

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13
Q

Which lightweight AP operating mode is dedicated to RF spectrum analysis on all channels?

A

SE-Connect

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14
Q

Which lightweight AP operating mode is dedicated to listening to traffic on the wired network to detect rogue devices? (it does not use its radio)

A

Rogue Detector

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15
Q

Which lightweight AP operating mode is dedicated to receiving 802.11 frames to detect rogue devices?

A

Monitor

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16
Q

Which lightweight AP operating mode is dedicated to capturing 802.11 frames and sending them to a device running software such as Wireshark?

A

Sniffer

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17
Q

What is the default operating mode of a lightweight AP, in which it offers a BSS for clients?

A

Local

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18
Q

Which feature allows a lightweight AP to locally switch traffic if the tunnels to the WLC go down?

A

FlexConnect

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19
Q

Lightweight APs connect to a switch via [access/trunk] ports.

A

access

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20
Q

The CAPWAP data tunnel [is/isn’t] encrypted by default.

A

isn’t

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21
Q

The CAPWAP control tunnel [is/isn’t] encrypted by default.

A

is

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22
Q

The CAPWAP […] tunnel isn’t encrypted by default.

A

data

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23
Q

The CAPWAP […] tunnel is encrypted by default.

24
Q

How many CAPWAP tunnels does a lightweight AP form with the WLC?

A

2 (control and data)

25
CAPWAP Data tunnels use UDP port [...].
5247
26
CAPWAP Data tunnels use [...] port 5247.
UDP
27
CAPWAP [...] tunnels use UDP port 5247.
Data
28
CAPWAP Control tunnels use UDP port [...].
5246
29
CAPWAP Control tunnels use [...] port 5246.
UDP
30
CAPWAP [...] tunnels use UDP port 5246.
Control
31
What does LWAPP stand for?
Lightweight Access Point Protocol
32
What does CAPWAP stand for?
Control and Provisioning of Wireless Access Points
33
What does WLC stand for?
Wireless LAN Controller
34
The use of lightweight APs and WLCs is also known as [...] architecture.
split-MAC
35
Autonomous APs connect to a switch via [access/trunk] ports.
trunk
36
[...] APs are self-contained systems that don't rely on a WLC.
Autonomous
37
What are the three main wireless AP deployment methods? (three architectures)
Autonomous Lightweight Cloud-based
38
What 802.11 message type? ACK
Control
39
What 802.11 message type? CTS
Control
40
What 802.11 message type? RTS
Control
41
What 802.11 message type? Association response
Management
42
What 802.11 message type? Association request
Management
43
What 802.11 message type? Authentication
Management
44
What 802.11 message type? Probe response
Management
45
What 802.11 message type? Probe request
Management
46
What 802.11 message type? Beacon
Management
47
What are the three 802.11 message types?
Management Control Data
48
Which messages does a wireless station listen for when doing 802.11 passive scanning?
Beacon
49
Which two messages are used for 802.11 active scanning?
Probe request Probe response
50
There are three 802.11 connection states: 1: [...] 2: [...] 3: [...]
1: Not Authenticated, not Associated. 2: Authenticated, not Associated. 3: Authenticated and Associated.
51
802.11 Frame 'FCS' field length:
4 bytes
52
802.11 Frame 'HT Control' field length:
4 bytes
53
802.11 Frame 'QoS Control' field length:
2 bytes
54
802.11 Frame 'Sequence Control' field length:
2 bytes
55
802.11 Frame 'Address 1/2/3/4' field length:
6 bytes (per address)
56
802.11 Frame 'Duration/ID' field length:
2 bytes
57
802.11 Frame 'Frame Control' field length:
2 bytes

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