최신CWNP Wireless Network Administrator (CWNA) - CWNA-109무료샘플문제
You are performing a post-implementation validation survey. What basic tool can be used to easily locate areas of high co-channel interference?
What wireless networking term describes the increase of RF energy in an intentional direction with the use of an antenna?
You are troubleshooting a WLAN problem and you suspect hidden node as the cause. What should you look for in a protocol analyzer?
An RF signal sometimes bends as it passes through some material other than free space. What is the term that describes this behavior?
When considering data rates available in HT and VHT PHY devices, in addition to the modulation, coding, channel width, and spatial streams, what impacts the data rate according to the MCS tables?
You are troubleshooting a problem with a new 802.11ax AP. While the AP supports four spatial streams, most clients are only achieving maximum data rates of 150 Mbps. What is the likely cause?
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?
What is the most effective method for testing roaming in relation to 802.11 VoIP handsets?
In an 802.11 2.4 GHz system, what 22 MHz channels are considered non-overlapping?
A string of characters and digits is entered into an AP and a client STA for WPA2 security. The string is 8 characters long. What is this string called?