CWNA-107 Exam Dumps - Certified Wireless Network Administrator

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Question # 4

You recently purchased four laptops containing dual-band 802.11ac adapters. The laptops can connect to your 2.4 GHz network, but they cannot connect to the 5 GHz network. The laptops do not show the 5 GHz SSIDs, which are different than the 2.4 GHz SSIDs. Existing devices can connect to the 5 GHz SSIDs with no difficulty. What is the likely problem?

Interference from non-Wi-Fi sources

Faulty drivers

DoS attack

Interference from other WLANs

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Question # 5

What statement about 802.11 WLAN bridges is true?

WLAN bridges only work in the 2.4 GHz frequency band and they support only SISO communications

WLAN bridges must use a channel with acceptable SNR at both transceivers to maintain the desired data rate bi-directionally

WLAN bridges may support MIMO communications, but only if used in the 5 GHz frequency band

WLAN bridges must be implemented such that no interference occurs on the channel anywhere between the two endpoints used to establish the bridge

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Question # 6

You are troubleshooting a WLAN problem and you suspect hidden node as the cause. What should you look for in a protocol analyzer?

Frames with the HN bit set to 1

Frames with the retry bit set to 0

Frames transmitted from the AP without acknowledgement

Retransmitted frames from multiple STAs at higher rates than other STAs

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Question # 7

What 802.11 network configuration would result in multiple stations broadcasting Beacon frames with the same BSSID but with different source addresses?

A single AP supports multiple BSSs with different SSIDs.

An SCA network is in use.

Multiple APs have been loaded with the same configuration from an image file.

An IBSS is used instead of a BSS.

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