13495098 Chapter 4 Test Notes

Chapter 4 Test Notes Which definition describes the term Internet? a group of PCs connected together on a LAN a group of PCs connected together by an ISP a network of networks that connects countries around the world a worldwide collection of networks controlled by a single organization What type of connection point is a point of presence (POP)? between a client and a host between two local networks between a computer and a switch between an ISP and a home-based LAN What is the term for the group of high-speed data links that interconnect ISPs? Internet LAN ISP backbone Internet gateways Internet providers Internet backbone Which device can act as a router, switch, and wireless access point in one package? hub bridge modem repeater ISR

What are three characteristics of business class ISP service? (Choose three.) fast connections extra web space free Windows upgrade cheapest cost available to all users

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additional e-mail accounts replacement hardware at no cost What is a major characteristic of asymmetric Internet service? Download speeds and upload speeds are equal. Download speeds are slower than upload speeds. Upload speeds and download speeds are different. Upload speeds and download speeds are irrelevant. Which three elements are required to successfully connect to the Internet? (Choose three.) an IP address file sharing enabled a network connection server services enabled access to an Internet service provider an address obtained directly from the RIR What term describes each router through which a packet travels when moving between source and destination networks? NOC ISP Hop segment

What does the tracert command test? NIC functionality the ISP bandwidth the network path to a destination the destination application functionality What type of end-user connectivity requires that an ISP have a DSLAM device in their network? analog technology cable modem technology digital subscriber line technology

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wireless technology Why would an ISP require a CMTS device on their network? to connect end users using cable technology to connect end users using analog technology to connect end users using wireless technology to connect end users using digital subscriber line technology Refer to the graphic. What type of cabling is shown? STP UTP coax fiber Refer to the graphic. What type of cabling is shown? STP UTP coax fiber

Which two places are most appropriate to use UTP cabling? (Choose two.) between buildings in a home office network where EMI is an issue in a cable TV network inside a school building in a manufacturing environment with hundreds of electrical devices What does adherence to cabling standards ensure? data security no loss of signal no electromagnetic interference reliable data communications Refer to the graphic. What type of cable is shown? crossover eight coax channels

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multimode fiber single-mode fiber straight-through What connector is used to terminate Ethernet unshielded twisted pair (UTP) cabling? ST BNC RJ-11 RJ-45

Which two characteristics describe copper patch panels? (Choose two.) uses RJ-11 jacks uses RJ-45 jacks supports only data transmissions allows quick rearrangements of network connections forwards transmissions based on MAC addresses What are two advantages of cable management? (Choose two.) requires no preplanning aids in isolation of cabling problems protects cables from physical damage provides compliance with future standards provides a short-term solution for cable installation What are two common causes of signal degradation when using UTP cabling? (Choose two.) installing cables in conduit having improper termination losing light over long distances installing low quality cable shielding using low quality cables or connectors What are three commonly followed standards for constructing and installing cabling? (Choose three.) 4

pinouts cable lengths connector color connector types cost per meter (foot) tensile strength of plastic insulator

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