chapter 2 ist 220

•MSA (master service agreement)

A contract that defines terms of future contracts.

There is only one ___ per network, but there can be many ___ connecting internal portions of the network

MDF, IDFs

if you're shopping for a rack switch, what component on the switch tells you it can be mounted to a rack?

Rack ears

which device converts signals from a campus's analog phone equipment into IP data that can travel over the Internet?

VoIP gateway

which of these is considered a secure place to store a list of documented network passwords?

a password manager

avoid emi

electromagnetic interference

list some good names for devices on your home network or on the network in your school's lab. demonstrate the use of best practices when creating a naming scheme for devices on a computer network.

hec-02-ne-02; hec building, 2nfd floor, northeast corner, rack number, type of device, number of device

what is the first step of inventory management

list all components on the network

you need to connect a new network printer to a nearby wall jack. What kind of cable should you use?

patch cable

what are some elements that are typically included in network diagrams

physical layout, logical topology, perimeter, access method, protocols, network devices and connections

what is the unit of measurement that defines the space available in a rack? how tall are standard racks?

rack unit(RU) and 42U(or 6ft)

you've decided to run an Nmap scan on your network. What app could you open to perform this task? choose all that apply.

zenmap, command prompt, powershell

Patch cable

•A relatively short length of cabling with connectors at both ends

Horizontal cabling

•Connects workstations to the closest data room and to switches housed in the room

Racks

•Holds various network equipment

Patch panel

•Panel of data receptors that can be mounted to a wall or a rack

a technician from your ISP has arrived to help you troubleshoot a weak WAN connection. to what location do you take her?

entrance facility

which of the following devices are you likely to find in the MDF? choose all that apply.

routers, switches, KVM switch

Demarc (demarcation point)

•Device that marks where a telecommunications service provider's network ends and the organization's network begins

wiring schematic

A graphical representation of a network's wired infrastructure.

a transceiver was recently damaged by a lightning strike during a storm. how might you decide whether the ISP is resonsible for replacing this device, or whether your company must foot the bill?

look at whether the device is located on the ISP's side of the demarc

System Life Cycle (SLC)

process of designing, implementing, and maintaining an entire network

in a large organization, how do you typically request permission to perform a network change?

submit a change request document, then understand the follow approval process, have the change project managed, provide additional documentation and close the change

why is it important to use a structured cabling standard when installing and managing cabling systems?

the standard suggests how networking media can best be installed to maximize performance and minimize upkeep

why is important to minimize cable clutter in a rack?

to help prevent airflow blockages

verify continuity

use a cable tester to verify that each segment of cabling you install transmits data reliably

what type of diagram shows a graphical representation of a network's wired infrastructure?

wiring schematic

IDF (intermediate distribution frame)

•Provides an intermediate connection between the M D F and end-user equipment on each floor and in each building

•Patch

-A correction, improvement, or enhancement

•Upgrade

-A major change to a software package that enhances the functionality and features of the software

(SOW) statement of work

-Documents in detail the work that must be completed for a particular project

•MOU (memorandum of understanding)

-Documents the intentions of two or more parties to enter into a binding agreement, or contract

•Installation

-New software to be installed on relevant devices and incorporated with network resources

•Rollback

-Process of reverting to a previous version after attempting to patch or upgrade it

RFP (Request for Proposal)

-Request to vendors to submit a proposal for a product or service your company wants to purchase

SLA (Service Level Agreement)

A legally binding contract or part of a contract that defines, in plain language and in measurable terms, the aspects of a service provided to a customer

Backbone cabling

Consists of cables or wireless links that provide interconnection between the entrance facility and M D F and between MDF and IDFs

•MLA (master license agreement)

Grants a license from a creator, developer, or producer to a third party for the purposes of marketing or sublicensing, or distributing the product to consumers

bend radius

The radius of the maximum arc into which you can loop a cable before you will cause data transmission errors.

why is it important to use plenum rated cabling in the area above the ceiling tile

it is coated with a flame resistant jacket and produces less smoke than regular cables coated with PVC

MDF (main distribution frame/facility)

Centralized point of interconnection for an organization's LAN or WAN