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Free CWNP CWNA-107 Practice Exam with Questions & Answers | Set: 2

Questions 11

You support a WLAN using dual-band 802.11ac three stream access points. All access points have both the 2.4 GHz and 5 GHz radios enabled and use 40 MHz channels in 5 GHz and 20 MHz channels in 2.4 GHz. A manager is concerned about the fact that each access point is connected using a 1 Gbps Ethernet link. He is concerned that the Ethernet link will not be able to handle the load from the wireless radios. What do you tell him?

Options:
A.

His concern is valid and the company should upgrade all Ethernet links to 10 Gbps immediately.

B.

His concern is valid and the company should immediately plan to run a second 1 Gbps Ethernet link to each AP.

C.

His concern is invalid because the AP will compress all data before transmitting it onto the Ethernet link.

D.

Due to 802.11 network operations and the dynamic rates used by devices on the network, the two radios will likely not exceed the 1 Gpbs Ethernet link.

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Questions 12

When considering data rates available in HT and VHT PJY devices, in addition to the modulation, coding, channel width, and spatial streams, what impacts the data rate according to the MCS tables?

Options:
A.

The Frequency band in use

B.

The client drivers

C.

The guard interval

D.

The height of the antennas

Questions 13

What common feature of MDM solutions can be used to protect enterprise data on mobile devices?

Options:
A.

Over-the-air registration

B.

Onboarding

C.

Containerization

D.

Self-registration

Questions 14

You are reconfiguring an AP to use the short guard interval. How long will the new guard interval duration be after the change?

Options:
A.

400 ns

B.

10 ms

C.

800 ns

D.

104 ms

Questions 15

ABC Company is planning to install a new 802.11ac WLAN, but wants to upgrade its wired infrastructure first to provide the best user experience possible. ABC Company has hired you to perform the RF site survey. During the interview with the network manager, you are told that the new Ethernet edge switches will support VoIP phones and 802.11 access points, both using 802.3 PoE.

After hearing this information, what immediate concerns do you note?

Options:
A.

The power budget in the edge switches must be carefully planned and monitored based on the number of supported PoE devices.

B.

The edge Ethernet switches should support Ether-channel to get the best results out of the network.

C.

VoIP phones and 802.11 access points should not be powered by the same edge switch due to distortion.

D.

If the switches are in optimal locations for VoIP phones, they are likely to be suboptimal locations for 802.11 APs

Questions 16

When replacing the antenna of a WLAN device with a similar antenna type that has a higher passive gain, what antenna characteristic will decrease?

Options:
A.

Range

B.

Beam width

C.

Active gain

D.

Receive sensitivity

Questions 17

You administer a WLAN that offers a guest SSID of GUESTNWORK. User connect to the GUESTNWORK SSID, but report that they cannot browse the internet. The devices simply report no internet connection. What common problem causes this scenario?

Options:
A.

NTP issues

B.

Hardware issues

C.

IP routing issues

D.

Captive portal issues

Questions 18

You are evaluating access points for use in the 5GHz frequency band. What PHY supports this band and supports 80 MHz channels?

Options:
A.

OFDM

B.

HT

C.

VHT

D.

ERP

Questions 19

You administer a WLAN that offers a guest SSID of GUESTNWORK. Users connect to the GUESTNWORK SSID, but report that they cannot browse the Internet. The devices simply report no Internet connection. What common problem causes this scenario?

Options:
A.

NTP issues

B.

Hardware issues

C.

IP routing issues

D.

Captive portal issues

Questions 20

You are managing a wireless access point in autonomous mode using the Web based interface. You capture traffic during this management task and notice that you can see the HTML code of the Web pages for access point management. What error in administration could be the cause of the security concern?

Options:
A.

A VPN with the AP is not established

B.

WPA2 is disabled on the WLAN

C.

HTTP is in use instead of HTTPS

D.

IPsec is not in use of the management connection as recommended