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Cisco CCNA (Exam 200-301) > Volume 2 - Chapter 2: Analyzing Cisco Wireless Architectures > Flashcards

Volume 2 - Chapter 2: Analyzing Cisco Wireless Architectures Flashcards

1
Q

A self-contained access point that can terminate wireless clients onto wired networks locally is referred to as?

A

An autonomous AP.

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2
Q

Describe the layer 2 requirements to support an autonomous AP.

A

Since an autonomous AP needs to carry the wireless traffic to the wired network locally, all VLANs associated with the SSIDs it is broadcasting need to be trunked to the AP.

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3
Q

Describe the downside of using autonomous APs.

A

They become significantly more difficult to manage as the network scales out; each AP is managed individually.

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4
Q

Cloud-based APs are examples of what?

A

Automous APs.

They are not managed locally, but still directly carry wireless data onto the wired network.

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5
Q

In regards to wireless planes, describe the difference between the control plane and data planes.

A

The data plane refers to the process of end-user data passing through the AP.

The control plane refers to the processes needed to manage and monitor the AP.

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6
Q

RF Transmit Receive, MAC Management, and Encryption are examples of ____ that are performed by the ____.

A

Real-Time Functions

Access Point.

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7
Q

RF Management, client authentication, security, and QoS are examples of ____ that are performed by the ____.

A

Management Functions

Wireless Controller (WLC)

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8
Q

Describe the purpose of the Split-MAC architecture.

A

Split-MAC Architecture is used to split MAC responsibilities between the WLC and AP.

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9
Q

The tunneling protocol used to carry traffic from the AP and the WLC is referred to as?

A

CAPWAP

The Control and Provisioning of Wireless Access Points.

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10
Q

What types of tunnels are utilized by the APs and WLC when using CAPWAP

A

CAPWAP Control Messages and CAPWAP Data.

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11
Q

Describe the difference between the CAPWAP Control Messages and CAPWAP Data.

A

The control messages/tunnel are used to configure the AP and manage its operation.

The data tunnel is used for carrying the end-user’s traffic

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12
Q

True or false:

CAPWAP data messages are encrypted by default.

A

False, encryption must be manually enabled.

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13
Q

What type of encryption is used for data messages when encryption is enabled?

A

Datagram Transport Layer Security (DTLS).

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14
Q

What port is used for CAPWAP Control messages?

A

UDP Port 5246.

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15
Q

What port is used for CAPWAP Data messages?

A

UDP Port 5247.

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16
Q

What comes pre-installed with APs and WLCs to allow them to securely authenticate to each other?

A

X.509 Certificates.

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17
Q

Providing a WLC controller in a central location to maximize the number of APs is referred to as?

A

A centralized-WLC deployment or a unified WLC deployment.

18
Q

Providing a WLC controller in a private or public cloud is referred to as?

A

A cloud-based WLC deployment.

19
Q

What mode of operation is used with a WLC to allow the access points to locally switch end user traffic in and out of the AP, while still being managed by the WLC?

A

FlexConnect.

20
Q

Describe the function of a distributed WLC deployment.

A

Using multiple WLCs that exist closer to the locations of the APs.

21
Q

A single distributed WLC can typically support up to ____ access points.

A

250.

22
Q

And Embedded Wireless Controller (EWC) deployment is also referred to as?

A

A controller-less wireless deployment.

23
Q

Describe the function of a Embedded Wireless Controller (EWC) deployment.

A

The function of the WLC is built into the AP at a branch site, a centralized WLC appliance is not required.

24
Q

A single EWC can typically support up to ____ access points.

A

100.

25
Q

How many APs do Centralized and Cloud-based deployment models support?

A

6000

26
Q

How many clients do Centralized and Cloud-based deployment models support?

A

64,000

27
Q

What is the typical use for Centralized and Cloud-based deployment models?

A

Large Enterprises.

28
Q

How many clients are supported by a distributed WLC deployment?

A

5000

29
Q

What is the typical use for a distributed WLC deployment?

A

Small Campus.

30
Q

What is the typical use for an embedded WLC deployment?

A

Branch Location.

31
Q

Which AP mode describes the following?

“The default mode for an AP, used to offer multiple BSSs on a specific channel.”

A

Local.

32
Q

Which AP mode describes the following?

“An AP that does not transmit at all, but acts as a sensor to check for IDS events and detect rogue access points”

A

Monitor.

33
Q

What AP Which AP mode describes the following?

“An AP that is managed by a WLC, but can switch traffic locally between the wired and wireless networks.”

A

FlexConnect.

34
Q

What AP Which AP mode describes the following?

“An AP that performs packet captures of user traffic to be analyzed by network analyzer software like Wireshark.”

A

Sniffer.

35
Q

What AP Which AP mode describes the following?

“An AP that exists only to perform detection of rogue APs.”

A

Rogue Detector.

36
Q

What AP Which AP mode describes the following?

“An AP provides point-to-point or point-to-multipoint services between 2 locations”

A

Bridge.

37
Q

What AP Which AP mode describes the following?

“An AP that provides FlexConnect services on a mesh AP”

A

Flex+Bridge.

38
Q

What AP Which AP mode describes the following?

“An AP that is dedicated to performing spectrum analysis on all wireless channels”

A

SE-Connect.

39
Q

What 2 modes are supported in a FlexConnect deployment?

A

Connected and Standalone.

40
Q

Describe the difference between the Connected and Standalone modes in a FlexConnect deployment.

A

When in a connected mode, the AP sends all data traffic to the WLC (similar to local AP mode), but if connectivity to the WLC is lost, the AP can move to standalone most and switch user traffic locally.

41
Q

What solution can be used to provide connectivity to a corporate network at a single teleworker’s home?

A

OfficeExtend.

42
Q

Describe the disadvantages of using OfficeExtend over FlexConnect.

A

OfficeExtend supports a single AP at each remote site, and does not support roaming.

Cisco CCNA (Exam 200-301) (36 decks)

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