Question 1

Which vertically polarized antenna is best suited for a WLAN infrastructure with access points mounted on a ceiling over 6 meters high, where all client stations operate from the floor level?

Options :

A : Patch

B : Dish

C : Grid

D : Low-gain dipole

Answer: D

Question 2

Given:For this fill-in-the-blank question, each answer option contains an answer for the first and second blanks, separated by a dash "—". Choose the answer option that correctly fills in both blanks in the following sentence. A WLAN may use 802.11 admission control to ________, and admission control requirements are configured separately for each ________.

Options :

A : Block stations with inadequate security parameters — SSID

B : Identify voice-enabled wireless devices — AP radio (that is, 2.4 GHz or 5 GHz)

C : Regulate the available bandwidth resources — Access Category

D : Mark ingress and egress frames with priority values — TCP/IP port

Answer: C

Question 3

In the enterprise, when is WPA/WPA2-Personal generally a recommended solution? (Choose all that apply.)

Options :

A : When client devices do not support 802.1X/EAP

B : When mobile device applications require high-latency roaming times between APs

C : When client devices are provisioned in bulk and would otherwise share 802.1X credentials

D : When the network security policy demands that each user have unique access credentials

Answer: A,C

Question 4

When designing a static channel plan for an office using voice devices near an airport, which range of channels may be avoided to avoid channel switching when implemented in this environment?

Options :

A : 36-40

B : 44-48

C : 116-124

D : 1-11

Answer: C

Question 5

Why should band steering algorithms allow stations to connect to the 2.4 GHz band after some number of ignored Probe Requests?

Options :

A : Because the FCC requires it.

B : Because some clients are persistent clients that will not move on to the 5 GHz band.

C : Because the 802.11 standard requires it.

D :

Because the AP will experience a buffer overflow if they do not eventually respond with a Probe Response.

Answer: B

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