module 4.3 Flashcards
Which of the following are characteristics of Bluetooth? (Select two.)
Ad hoc connections
Line-of-sight transmission
Red spectrum light waves
5.75 GHz radio wireless
2.4 GHz radio wireless
2.4 GHz radio wireless, Ad hoc connections
Which IEEE wireless standards specify transmission speeds up to 54 Mbps? (Select two.)
802.1x
Bluetooth
802.11a
802.11b
802.11gc
802.11a
802.11gc
Which of the following is used on a wireless network to identify the network name?
SSID
MAC address
WPA2 passphrase
WEP key
SSID
You need to add security for your wireless network. You would like to use the most secure method. Which method should you implement?
WPA
WEP
Kerberos
WPA2
WPA2
A small business named Widgets, Inc. has hired you to evaluate their wireless network security practices. As you analyze their facility, you note the following using a wireless network locator device.
They use an 802.11n wireless network.
The wireless network is broadcasting an SSID of Linksys.
The wireless network uses WPA2 with AES security.
Directional access points are positioned around the periphery of the building.
Which of the following would you MOST likely recommend your client do to increase their wireless network security? (Select two.)
Disable SSID broadcast.
Configure the wireless network to use WPA with TKIP security.
Implement omnidirectional access points.
Upgrade to an 802.11g wireless network.
Change the SSID to something other than the default.
Change the SSID to something other than the default.
Disable SSID broadcast.
Which of the following features is supplied by WPA2 on a wireless network? (Select two.)
Refusal of client connections based on MAC address
Encryption
Authentication
Filtering of traffic based on packet characteristics
Identification of the network
Centralized access for clients
Encryption
Authentication
Which of the following provides security for wireless networks?
CSMA/CD
WAP
802.3u
802.11a
WPA2
WPA2
A network administrator wants to change the frequency of their wireless network to allow more channels that do not interfere with each other. Which of the following frequencies or protocols would accomplish this?
802.11b
5 GHz
802.11g
2.4 GHz
5 GHz
Gary has finished installing a wireless router for his neighbor’s small business. Which wireless standard should Gary use to support up to 150 Mbps on the 5 GHz band?
802.11g
802.11a
802.11n
802.11b
802.11n
A technician is checking a customer’s wireless network performance and has determined it was using 802.11g. The technician’s recommendation is for the customer to upgrade to 802.11ac. Which of the following is the BEST reason to upgrade?
Less attenuation
802.11g uses older technology
More overlapping channels
Improved performance
Improved performance