WGU C172 Network and Security Foundations (WGUC172)

OSI Layer 1 - Physical - -Physical Layer: This layer is responsible for the physical connections of the devices in the network. This layer is implemented through the use of devices such as hubs, repeaters, modem devices, and physical cabling. OSI Layer 2 - Data Link - -Data Link Layer: This layer is responsible for the error-free delivery of data to the receiving device or node. This layer is implemented through the use of devices such as switches and bridge devices, as well as anything wit...

Social Engineering - -The first issue of intrusion is ____. Tunneling - -Which of the following allows a secure communication between a private network and a public network, such as the Internet? DoS Attack - -Which of the following security attacks occurs when an attacker sends the target system a flood of data or requests that consume the target system's resources? Preventing intrusions - -________ is the best way to keep from contributing to DDoS attacks. no ip directed-broadcast - -Ci...

Chp. 7 What are the two ways 802.11 supports authenticating clients? - -open and shared key Chp. 7 What does RADIUS do? - -RADIUS is used to provide authentication and prevent unauthorized users from connecting to the network. Chp. 7 What does RADIUS stand for? - -Remote Authentication Dial-In User Service Chp. 7 What does AUP (Acceptable Use Policy) do? - -AUP defines the constrains and practics the user must agree to, to have access to the network Chp. 7 What does EAP (Extensible Au...

Site surveys obtain the following information. (Choose all that apply.) Electrical power Supported bandwidth Connection points to the main network. RF coverage - -Electrical power Supported bandwidth Connection points to the main network. RF coverage MIMO uses wave division multiplexing. False True - -False Which of the following is not a type of dispersion? Modal Polarization mode2 Light Chromatic - -Light Single-mode fibers use high-power, highly directional modulated light sou...

Which OSI layer is related to the function of the IP protocol suite? - -Network Which OSI layer is responsible for organizing how bits are passed over the physical layer between devices within the same collision domain? - -Data link Which OSI layer would define the scope of a protocol that makes sure packets of data are received correctly and resends them if they are not? - -Transport Which protocol suite performs functions of OSI layer 4? - -TCP Which type of Ethernet cable can maintain 1...

Application Layer - -Interacts with application programs that incorporate a communication component such as your internet browser and email. Bus Topology - -The computers share the media (coaxial cable) for data transmission. Cable Modem - -A modem that can use the high bandwidth of a cable television system to deliver high-speed data to and from the service provider. CAT6 (category 6) - -Twisted-pair cables capable of carrying up to 1000Mbps (1 gigabit) of data up to a length of 100 meter...