CWT-100 Online Practice Questions and Answers

What metric is most commonly used at the receiver to report the signal strength? Select one:

A. dBm

B. Watt

C. Milliwatt

D. Nanowatt

Of the following device types, which one is most likely to be used in a highly mobile (use while in motion) use case?

A. Desktop

B. Video camera

C. VoIP handset

D. Laptop

What kind of authentication is used by WPA2-Enterprise implementations? Select one:

A. WEP

B. Preshared key

C. 802.1X/EAP

D. Passphrase

What 802.11 process must always occur before 802.11 association?

A. Time synchronization

B. Authentication

C. Confidentiality

D. Encryption

What is the maximum channel width supported by 802.11ac (VHT) in the standard?

A. 40 MHz

B. 80 MHz

C. 160 MHz

D. 20 MHz

What EAP method is supported on most operating systems without additional installation requirements?

A. EAP-GTC

B. EAP-FAST

C. EAP-TLS

D. LEAP

A dual-band AP most likely supports what two frequency bands?

A. Sub-1 GHz and 2.4 GHz

B. 2.4 GHz and 60 GHz

C. 5 GHz and 60 GHz

D. 2.4 GHz and 5 GHz

What is the maximum power that an 802.3at Power over Ethernet (PoE) injector can output in the Ethernet interface?

A. 30 W

B. 15.4 W

C. 12.95 W

D. 25.5 W

Which one of the following EAP methods is commonly available for mobile phones but not for laptops?

A. EAP-TLS

B. PEAP

C. EAP-SIM

D. EAP-TTLS

Which one of the following is a non-deprecated security solution in the 802.11 standard?

A. WEP

B. CCMP/AES

C. TKIP/RC4

D. Shared Key Authentication

You are receiving reports from several users that their clients connect with very low data rates. All reports are confined to a particular area in the facility and the users report that the problem does not occur with the same devices in other areas. What is most likely problem in that area?

A. High SNR

B. Improper AP security configuration

C. Poor signal strength

D. Improper client security configuration

You use 802.1X/EAP for all WLAN authentication in your network. You have several VoIP handsets that work well until they have to roam from one AP to another. When they roam, calls are often dropped or call quality is significantly diminished. What is the most likely cause of this problem?

A. Wrong passphrase entered on the VoIP handsets

B. Non-implemented roaming features on the APs

C. Wrong SSID used by the VoIP handsets

D. Wrong certificate installed on the VoIP handsets

When clients are using unacceptably low data rates for WLAN transmissions, what metric is too low?

A. SNR

B. Interference strength

C. Noise floor strength

D. MTU size

You configured an AP for 802.1X/EAP authentication. You also configured several clients for the same. The clients cannot authenticate to the WLAN. When you look at the RADIUS server logs, you see that no authentication attempts have been made. Other services use the same RADIUS server without problems. At what location should you check the configuration for errors?

A. Clients

B. AP

C. None of these

D. RADIUS Server

You are considering the use of an EAP method. All potential clients have been validated to support the EAP method. What other network device/location must support the EAP method for it to work?

A. RADIUS Server

B. Ethernet Switch

C. Controller

D. AP