Wireless Networking (Network+)
Characteristics features of the IEEE 802.11n wireless standard?
2.4 / 5.0 GHz 600 Mbps CSMA/CA MIMO
Characteristics features of the IEEE 802.11b wireless standard?
2.4 GHz 11 Mbps CSMA/CA
Characteristics features of the IEEE 802.11g wireless standard?
2.4 GHz 54 Mbps CSMA/CA
The IEEE 802.1a standard specifies a channel bandwidth of
20 MHz
The IEEE 802.1n standard specifies a channel bandwidth of
20 MHz 40 MHz
The IEEE 802.1b standard specifies a channel bandwidth of
22 MHz
Which IEEE standard provides the implementation basis for most modern WLANs?
802.11
The IEEE 802.11g standard is backwards compatible with
802.11b
The IEEE 802.11n standard offers backward compatibility with
802.11g 802.11b 802.11a
A type of technology that provides control over the usage of mobile device within a designated area is
Geofencing
Channel bonding was introduced with
IEEE 802.1n
A short-distance, line-of-sight technology used for example in home remote controls?
IR (Infra-Red)
A common antenna used as a standard equipment on most Access Points (APs) for indoor Wireless Local Area Network (WLAN)
Omnidirectional antenna
Which acronym refers to a client authentication method used in WPA/WPA2 Personal modes?
PSK (Pre-Shared Key)
Which WAP configuration setting allows for adjusting the boundary range of a wireless signal?
Power level controls
A wireless networking topology consisting of at least one Access Point (AP) is called
Infrastructure mode
A popular, short-range wireless technology used for connecting various personal devices in a WPAN is
Bluetooth
What is the name of an AES-based encryption mode implemented in WPA2?
CCMP
A channel access method used in 3G cellular networks?
CDMA (Code Division Multiple Access)
A solution that allows to control access to a shared transmission medium in 802.11 networks is known as
CSMA/CA (Carrier Sense Multiple Access / Collision avoidance)
A wireless disassociation attack is a type of
Denial of Service (Dos) attack
Which of the antenna types provide a 360-degree horizontal signal coverage?
Dipole antenna Omnidirectional antenna
Which of the following EAP methods offers the highest level of security?
EAP-TLS (Extensible Authentication Protocol - Transport Layer Security)
Which EAP method relies on client-side and server-side certificates for authentication
EAT-TLS
What is an encryption method algorithm used in TKIP?
RC4
Wireless technology that enables identification and tracking of tags attached to objects
RFID (Radio-frequency identification)
A metric that compares the amount of usable data and the background noise that is being sent over a transmission channel is known as
SNR (Signal-to-Noise-Ration)
A unique WLAN identifier is commonly referred to as
SSID
A channel access method used in 2G GSM networks
TDMA (Time-Division Multiple Access)
A security protocol designed to strengthen existing WEP implementations without requiring the replacement of legacy hardware is called
TKIP (Temporal Key Integrity Protocol)
What tool would be of help in troubleshooting wireless signal loss and low wireless network signal coverage
WAP power level controls
Best solution for securing a small network lacking an authentication server?
WAP2-PSK (Wi-Fi Protected Access - Pre-Shared Key)
A type of network consisting of computers and peripheral devices that use high-frequency radio waves to communicate with each other is known as
WLAN
An optimal Wireless Access Point (WAP) antenna placement provides a countermeasure against
War driving
The process of planning and designing new WLANs for optimal performance, security and compliance typically involves
Wireless site survey
Highly directional antennas used for long-range point-to-point bridging links
Yagi antenna Dish antenna Parabolic antenna
Which choices allow for setting up three Wireless Access Points (WAPs) on non-overlapping channels
1, 6, 11
The IEEE 802.1ac standard specifies a channel bandwidth of
160 MHz
The IEEE 802.1g standard specifies a channel bandwidth of
40 MHz
Characteristics features of the IEEE 802.11ac wireless standard?
5 GHz 6.77 Gbps MU-MIMO
Characteristic features of the IEEE 802.11a wireless standard?
5.0 GHz 54 Mbps CSMA/CA
A wireless connectivity technology used for monitoring sensor data collected low-powered sports and fitness equipment
ANT+
A wireless networking topology in which client devices communicate directly with each other without the use of a controlling Access Point (AP) is called
Ad hoc mode
Which type of technology enables contactless payment transactions?
NFC (Near Field Communication)
Which network device enables centralized management of WAPs?
Wireless LAN controller
A wireless protocol designed to provide communication between appliances in a home automation network?
Z-wave