A+ 901 Test 17 Flashcards
A type of network consisting of computers and peripheral devices that use high-frequency radio waves to communicate with each other is commonly referred to as:
WLAN
The disadvantage from using this device results from a fact that any incoming signal on any of its ports is re-created and sent out on any connected ports, which in turn forces all the connected devices to share the total amount of available bandwidth.
Hub
Which of the following answers refers to a data link layer (Layer 2) device designed to forward data packets between Local Area Network (LAN) segments?
Switch
A device designed to filter and transfer IP packets between dissimilar types of computer networks is called:
Router
An infrastructure device designed for connecting wireless/wired client devices to a network is commonly referred to as:
Access Point (AP)
What type of device would be the most convenient for interconnecting two or more physically separated network segments?
Wireless bridge
Which of the devices listed below allows for establishing a communication channel over a PSTN?
Analog modem
Which of the following devices can be installed in an AMR slot?
Modem
A software or hardware that checks information coming from the Internet and depending on the applied configuration settings either blocks it or allows it to pass through is called:
Firewall
A simple device consisting of multiple computer ports arranged in rows used for the purpose of cable management is known as:
Patch panel
A type of network device that amplifies received signal so it can be transmitted over greater distance without loss in quality is called:
Repeater
Which of the answers listed below refers to a network device that allows to overcome limitations related to the maximum allowable cable segment length?
Extender
A computer networking technology that enables sending data over wiring used for transmission of electrical power is called:
PLC
Which of the following acronyms refers to a solution that allows for carrying both data and electrical power over a single twisted-pair Ethernet cable?
PoE
Which of the following tools would be used for attaching RJ-45 connectors to a twisted-pair Ethernet cable?
Crimper