Computer Maintenance Chapter 22

What centrally connects wireless network nodes in the same way that a hub connects wired Ethernet PCs?

Which feature allows you to plug a single Ethernet cable into the WAP to provide both power and a network connection?

What method do wireless networks use to determine if other nodes are currently broadcasting?

What wireless network mode can quickly be used to share files and printers without a WAP?

What is a wireless service area that has been extended by adding more WAPs?

Where is the location for an omni-directional antenna in your home or office?

What method enables you to limit access to your wireless network based on the physical, hard-wired address of the units' wireless NIC?

What is another name for the Service Set Identifier parameter?

Most WAPs support filtering, in which data packets that do not contain the appropriate address are rejected. What kind of address is filtered?

Which standard or protocol represents a security improvement in WPA2 over WEP and WPA?

How many bits does WEP encryption use to scramble data packets?

Which standard or protocol provides a security improvement that WPA addresses over WEP?

Which protocol does WPA use to provide a new encryption key for every sent packet?

Which standard has a security flaw that allows a hacker to guess an eight-digit code?

Which wireless networking standard supports data throughput of up to 11 Mbps?

What is the theoretical maximum range of the 802.11a wireless networking standard?

At what frequency range does the 802.11a-based wireless technology operate?

At what frequency range do the 802.11b- and 802.11g-based wireless technologies operate?

What is the speed at which the 802.11g wireless technology transfers data?

What 802.11n feature increases its range and speed?

What frequencies does 802.11n use?

What is the maximum capacity for data transfer between infrared devices?

What wireless technology is often used to connect headsets to smartphones?

What type of wireless network is very small and designed for "quick-and-dirty" jobs?

What is the maximum distance of a Class 3 Bluetooth device?

What enables you to connect to the Internet through a network-aware smartphone, tablet, or other mobile device?

What WPA/WPA2 encryption version uses a RADIUS server for secure authentication?

What WAP settings should be adjusted in an environment with overlapping Wi-Fi signals?

What is the first step in choosing an optimal location for an access point?

What is the standard straight-wire omnidirectional wireless antenna called?

What is the gain from a typical WAP?

What process needs to be undertaken to enable Bluetooth devices to create a secure connection?

Where should you look for firmware updates on older WAPs?

What should you open up to troubleshoot a suspected hardware problem?

What should you check first when troubleshooting wireless connectivity issues?