Cisco Chapter 4

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.

Upload speeds and download speeds are different.

Which device can act as a router, switch, and wireless access point in one package? • hub • bridge • modem • repeater • ISR

• ISR

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

• Internet backbone

What connector is used to terminate Ethernet unshielded twisted pair (UTP) cabling? • ST • BNC • RJ-11 • RJ-45

• RJ-45

Refer to the graphic. What type of cabling is shown? • STP • UTP • coax • fiber

• UTP

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

• a network of networks that connects countries around the world

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

• aids in isolation of cabling problems • protects cables from physical damage

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

• an IP address • a network connection • access to an Internet service provider

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

• between an ISP and a home-based LAN

Refer to the graphic. What type of cable is shown? • crossover • eight coax channels • multimode fiber • single-mode fiber • straight-through

• crossover

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 • wireless technology

• digital subscriber line technology

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 • additional e-mail accounts • replacement hardware at no cost

• fast connections • extra web space • additional e-mail accounts

Refer to the graphic. What type of cabling is shown? • STP • UTP • coax • fiber

• fiber

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

• having improper termination • using low quality cables or connectors

What term describes each router through which a packet travels when moving between source and destination networks? • NOC • ISP • hop • segment

• hop

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

• in a home office network • inside a school building

What are three commonly followed standards for constructing and installing cabling? (Choose three.) • pinouts • cable lengths • connector color • connector types • cost per meter (foot) • tensile strength of plastic insulator

• pinouts • cable lengths • connector types

What does adherence to cabling standards ensure? • data security • no loss of signal • no electromagnetic interference • reliable data communications

• reliable data communications

What does the tracert command test? • NIC functionality • the ISP bandwidth • the network path to a destination • the destination application functionality

• the network path to a destination

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

• to connect end users using cable technology

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

• uses RJ-45 jacks • allows quick rearrangements of network connections