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CCNA > Wireless > Flashcards

Wireless Flashcards

1
Q

Which of the following management frames contain the SSID of a wireless network?

  1. Beacons
  2. probe requests
  3. association requests
  4. deauthentications
  5. association response
A
  1. beacons
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2
Q

If LAG is enabled on eight distribution ports on a WLC and all eight are connected to a single switch that is correctly configured to bundle its ports, If seven of the eight links were to fail what would happen?

A

The link would still pass all wireless traffic to the switch.

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3
Q

Which of the following is used by WEP to provide encryption?

  1. GCMP
  2. AES
  3. CCMP
  4. TKIP
  5. RC4
A
  1. RC4
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4
Q

which of the following enables Cisco Meraki AP to automatically configure itself when it is connected to a network?

  1. Cloud-based AP deployment
  2. embedded AP deployment
  3. lightweight AP deployment
  4. autonomous AP deployment
A
  1. Cloud-based AP deployment
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5
Q

Which of the following WLC interfaces controls all layer 3 communications between a WLC and a lightweight AP?

  1. a dynamic interface
  2. the management interface
  3. The AP-manager interface
  4. the virtual interface
  5. the service port interface
A
  1. The AP-manager interface

(L3 LWAPP communications)

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6
Q

What is the management interface used for on a lightweight access-point?

A

Layer 2 LWAPP communications between controller and Lightweight AP

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7
Q

What is the Service port used for on a lightweight access-point?

A

Is used for maintenance purposes on a WLC.

(This is a physical port that can be used to recover the WLC in the even it fails)

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8
Q

What is the virtual interface used for on a lightweight access-point?

A

Provides a specific IP address that is the same across multiple controllers when wireless clients roam among controllers.

(can also be used as the DHCP server address on wireless clients)

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9
Q

What are the dynamic interfaces used for on a lightweight access-point?

A

They are typically used for wireless client data.

(In addition to 4 static interfaces there can be up to 512 dynamic interfaces which are user defined and function similarly to VLANS)

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10
Q

How many ports are included in a LAG bundle by default?

A

eight

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11
Q

best practice for channels used on multiple access points for an 802.11b network?

A

Channels 1, 6, and 11

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12
Q

Which of the following best describes an AP deployment that connects APs to a WLC that is housed within a switch stack?

A

Embedded AP deployment.

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13
Q

you are configuring layer 2 security on a WLAN by using the WLC GUI/ you select WPA+WPA2 from the Layer 2 security drop-down list box. You want to minimize the amount of time it takes an 802.1X client to roam between access points.

which of the following WPA2 key management methods should you select from the auth key mgmt drop-down list box?

  1. 802.1X+CCKM
  2. CCMK
  3. PSK
  4. 802.1X
A
  1. 802.1X+CCKM
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14
Q

You are configuring a normal WLAN by using the WLC GUI. you configure the profile name field on the WLAN > New page with a value of MyCompanyLAN
Which of the following statements about the SSID field is true?

  1. You must not configure it with the profile name value.
  2. You can configure it with a reserved keyword.
  3. you can configure it with the profile name value, but they need not match.
    4.You must configure it with the profile name value.
A
  1. you can configure it with the profile name value, but they need not match.
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15
Q

Which of the following about FlexConnect ACLs is true?

  1. They can be configured with a per-rule direction.
  2. they are applied per AP and per interface.
  3. They are supported on the native VLAN.
  4. They do not support an implicit deny rule.
A
  1. They are supported on the native VLAN.
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16
Q

Which of the following is not a type of IEEE 802.11 management frame?

  1. beacon
  2. power-save poll
  3. probe request
  4. association response
A
  1. power-save poll
17
Q

Which of the following are used by WPA2 and provide MICs and encryption?

  1. CCMP
  2. GCMP
  3. RC4
  4. AES
  5. TKIP
A
  1. CCMP
  2. AES
18
Q

What type of network does IBSS (Independent basic service set) support?

A

AD HOC

Where two devices can connect to each other without the need of a router.
(Think airdrop)

19
Q

What kind of network does BSS (basic service set) support?

A

Infrastructure

where devices connect to an AP and not directly to each other.

20
Q

What is the difference between SSID and BSSID?

A

SSID - Name of the AP that clients use to associate with and connect to.

BSSID - is the MAC address of the AP’s radio.

21
Q

Which of the following are part of the 802.1X authentication architecture?

  1. Supplicant
  2. Verifier
  3. Authentication host
  4. Authenticator
  5. Authentication server
A
  1. Supplicant
  2. Authenticator
  3. Authentication server
22
Q

Which of the following encryption/integrity methods is considered the most secure?

  1. WEP
  2. TKIP
  3. GCMP
  4. CCMP
A

GCMP

23
Q

Which of the following AES methods requires a certificate on both the supplicant and the AS?

  1. EAP-FAST
  2. LEAP
  3. PEAP
  4. EAP-TLS
A

EAP-TLS

24
Q

Which of the following WPA3 security features protects the four way handshake when using personal mode authentication?

  1. SAE
  2. Forward secrecy
  3. AES
  4. PMF
A

SAE

25
Q

Which of the following best describes a lightweight AP in local mode?

1.Its the default operating mode for a lightweight AP
2.It enables a failsafe if the CAPWAP connection goes down
3.it captures wireless traffic for analysis
4.it acts as a dedicated connection between two networks

A

1.Its the default operating mode for a lightweight AP

26
Q

You are configuring a normal WLAN by using the WLC GUI. You want to configure the WLAN with the SSID of MyCompanyLAN. You click create new on the WLAN page.

(What action are you likely to perform first?)

  1. Assign a unique ID of 1 in the ID field.
  2. Assign a profile name of up to 32 characters in the profile name field.
  3. select Guest LAN from the type drop-down list box.
  4. Assign the SSID of MyCompanyLAN in the WLAN SSID field.
A
  1. Assign a profile name of up to 32 characters in the profile name field.
27
Q

Which of the following parameters are necessary when creating a new WLAN with the controller GUI?
A. SSID
B. VLAN number
C. Interface
D. BSSID
E. IP subnet

A

A. SSID
C. Interface

CCNA (19 decks)

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