Chapter 2 Network Essentials Exam

Which network device is used to translate a domain name to the associated IP address?

DNS server

What are two wiring schemes defined by the TIA/EIA organization for Ethernet installation in homes and businesses? (Choose two.): T568A STP T568B UTP RJ-45

T568A, T568B

Which type of network cable is commonly used in backbone networks and telephone companies?

fiber-optic cable

Which type of network component is used to interconnect computing devices?

intermediate device

What are two sources of electromagnetic interference that can affect data transmissions? (Choose two.) : LED monitor, microwave oven, infrared remote control, cordless phone, florescent light fixture

microwave oven, florescent light fixture

Which type of technology is used to provide digital data transmissions over cell phone networks?

4G

Which wireless technology can be used to connect wireless headphones to a computer?

Bluetooth

Which type of network cable is used to connect the components that make up satellite communication systems?

Coaxial

Which term describes the interference when electrical impulses from one cable cross over to an adjacent cable?

Crosstalk

What is a technology used in a cellular telephone network?

Global System for Mobile Communications (GSM)

A wireless network was recently installed in a coffee shop and customer mobile devices are not receiving network configuration information. What should be done to correct the problem?

Make sure the DHCP server is functional.

When a network is installed in a high school, it is important for a network admin to create a [insert here] topology diagram to document where each host is located and how they are connected to the network.

Physical Network

Which type of network cable contains multiple copper wires and uses extra shielding to prevent interference?

STP

Which type of Ethernet cable should be used to directly connect two devices that both use the same pins for transmitting and receiving data?

crossover twisted-pair cable

Which IP configuration parameter provides the IP address of a network device that a computer would use to access the Internet?

default gateway

What are three characteristics of UTP cabling? (Choose three.): - uses light to transmit data - susceptible to EMI and RFI - commonly used between buildings - easiest type of networking cable to install - most commonly used networking cable - commonly used for Internet connectivity by a cable TV provider

susceptible to EMI and RFI, easiest type of networking cable to install , most commonly used networking cable

Which two criteria are used to help select a network medium for a network? (Choose two.) : - the types of data that need to be prioritized - the cost of the end devices that are used in the network - the distance the selected medium can successfully carry a signal - the number of intermediate devices that are installed in the network - the environment where the selected medium is to be installed

the distance the selected medium can successfully carry a signal, the environment where the selected medium is to be installed