WGU PAG2 BFC1 C172 Network and Security
Foundations questions with verified answers
(802.11) frequency division Ans✓✓✓-bandwidth is divided into smaller
subchannels
14 channels Ans✓✓✓-number of channels in Direct sequence spread spectrum
3 way handshake (3 packet handshake) Ans✓✓✓-Establishes TCP connection
802.11 Direct Spread Spectrum Ans✓✓✓-Wide bandwidth is used to spread data
802.11B Ans✓✓✓-prone to interference from Bluetooth, microwave, cordless
phones (B for Bluetooth Interference?)
802.11N Ans✓✓✓-Data Transfer Rates of 200 Mbps (N for "No Way, That's
Fast"!)
Access Point (WLAN) Ans✓✓✓-used to wirelessly connect workstations to
network
Advantages of subnetting Ans✓✓✓-divides the network into smaller segments,
separates network and subnet address from host address
ARP (Address resolution protocol) Ans✓✓✓-used by Internet layer to match IP to
NIC address
, Attenuation Ans✓✓✓-Light escapes into cladding. Loss of power due to
propagation, mechanical stress
Bridge Ans✓✓✓-Susceptible to broadcast storm
Broadcast IP address Ans✓✓✓-255.255.255.255
Bus Network Ans✓✓✓-other devices wait for pauses in data transmission.
Cable for LAN (work area) Ans✓✓✓-Unshielded Twisted Pair (UTP)
CAN (Campus Area Network) Ans✓✓✓-Connects computer users in a particular
geographic area (beyond 1 building, limited area, 1 organization)
CSMA/CA Ans✓✓✓-Network access method for WLAN
Data Delivery, Authentication (WLAN) Ans✓✓✓-2 functions of the wireless LAN
adapater
Dispersion Ans✓✓✓-Light pulse spreads out eventually.
error detection Ethernet method Ans✓✓✓-CRC
Extended Service set Ans✓✓✓-Used to broaden mobility availability in a WLAN
Foundations questions with verified answers
(802.11) frequency division Ans✓✓✓-bandwidth is divided into smaller
subchannels
14 channels Ans✓✓✓-number of channels in Direct sequence spread spectrum
3 way handshake (3 packet handshake) Ans✓✓✓-Establishes TCP connection
802.11 Direct Spread Spectrum Ans✓✓✓-Wide bandwidth is used to spread data
802.11B Ans✓✓✓-prone to interference from Bluetooth, microwave, cordless
phones (B for Bluetooth Interference?)
802.11N Ans✓✓✓-Data Transfer Rates of 200 Mbps (N for "No Way, That's
Fast"!)
Access Point (WLAN) Ans✓✓✓-used to wirelessly connect workstations to
network
Advantages of subnetting Ans✓✓✓-divides the network into smaller segments,
separates network and subnet address from host address
ARP (Address resolution protocol) Ans✓✓✓-used by Internet layer to match IP to
NIC address
, Attenuation Ans✓✓✓-Light escapes into cladding. Loss of power due to
propagation, mechanical stress
Bridge Ans✓✓✓-Susceptible to broadcast storm
Broadcast IP address Ans✓✓✓-255.255.255.255
Bus Network Ans✓✓✓-other devices wait for pauses in data transmission.
Cable for LAN (work area) Ans✓✓✓-Unshielded Twisted Pair (UTP)
CAN (Campus Area Network) Ans✓✓✓-Connects computer users in a particular
geographic area (beyond 1 building, limited area, 1 organization)
CSMA/CA Ans✓✓✓-Network access method for WLAN
Data Delivery, Authentication (WLAN) Ans✓✓✓-2 functions of the wireless LAN
adapater
Dispersion Ans✓✓✓-Light pulse spreads out eventually.
error detection Ethernet method Ans✓✓✓-CRC
Extended Service set Ans✓✓✓-Used to broaden mobility availability in a WLAN
