Discovery v4.0
Networking for Small and Home Businesses Semester1 Chapter 4 Study Guide
4.1 The Internet and How We Connect to It
4.1.1
What is the Internet?
What is the ISOC?
What is the main focus of the IAB and
the IETF?
4.1.2
What dies ISP stand for and what is
the primary function it performs?
What other functions can be provided
by an ISP?
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speed at home.
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4.1.3
What is the acronym for Point of
Presence?
What does a POP connect?
What is the term for high speed
connections between ISPs?
4.1.4.1 What device does the ISP connect to
at the users location?
What device is needed if multiple
computers use a single Internet
connection?
4.1.4.2 List the six common internet access
technologies used in home or small
offices.
What technology uses regular grade
phone line?
What technology uses high speed
digital connections over phone lines?
What is an example of a leased line
connection?
4.1.5.1 What are the two common contract
levels of service offered by ISPs
What does business service offer over
home services?
What is a SLA?
What determines the cost of web
hosting services?
What is an advantage of using an ISP
file storage service?
What is an IP telephone?
What does content filtering do?
4.1.5.2 What is asymmetric ISP service?
Where would you more likely find
symmetric service
4.1.5.3 Complete the activity
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4.2 Sending Information Across the Internet
4.2.1.1 What protocol is needed to access the
Internet?
What does the IP protocol specify?
RFC’s are submitted to what
organization for approval?
4.2.1.2 The IP source and destination
addresses added to the front of a
packet is called what?
ISP’s obtain IP addresses from what
group?
Why must there be control over the
issuing of IP addresses?
Where do you as a user obtain your
IP address?
4.2.2.1 Internet messages range in what
size?
What is the function of the NOC?
4.2.2.2 What service to router perform on the
network?
What address to routers use to make
their decisions?
4.2.3.1 What is the ping command used for?
When using traceroute or tracert
what is the term used for each
router?
What information is gained from
traceroute that is not available when
using ping?
4.3 Networking Devicces in a NOC
4.3.1
What is the internet?
Why are alternate paths to a
destination important on the
Internet?
What is used to represent the
Internet in a topology?
4.3.2.1
What is a DSLAM and what is it used
for?
What is a CMTS and what is it used
for?
4.3.2.2
How do the devices in an enterprise
network differ from devices used in a
Home/Small Business network?
4.3.2.3
Complete the activity
4.3.3.1
List three physical and environment
requirements that differ between a
home/small office and an ISP.
4.3.3.2
How can a small/home network
insure continuity on a network?
4.3.3.3
What can be done to help maintain
optimal environment factors on a
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network
4.4 Cables and Connectors
4.4.1.1
What are the two types of physical
channels found on a network?
4.4.1.2
Which common network cable is the
most prevalent?
Which common network cable is
capable of broadband signals?
List three advantages of fiber optic
cable?
4.4.2.1
What is EMI?
When does crosstalk occur?
What makes CAT 5 cable more
resistant t interference?
4.4.2.2
List three advantages of using UTP in
an installation.
What cable should be used in areas
where RFI is a problem and why?
What category of cable supports
speeds of 1000 Mbps?
What is used to terminate UTP
cable?
4.4.3
Coax is terminated with what type of
connector?
What two characteristics of coax help
avoid EMI?
4.4.4.1
Where is fiber cabling commonly
found?
Reflection: Why are two connectors
needed in fiber cabling to transmit
information
Going from the inside out, list the
components of a fiber optic cable.
4.4.4.2
Define LED.
Which mode of fiber is more widely
used?
Why can single mode transmit 1000
meter farther than multimode?
4.4.4.3
Complete activity
4.5 Working With Twisted-Pair Cabling
4.5.1
What organizations aer responsible
for cable standards in the USA?
What IEEE standard allows for PoE?
4.5.2.1
What are the two cabling standards
established by the TIA/EIA called?
What is the difference in the two
standards?
4.5.2.2
Which type of cable is most common
and what is the pin mapping at each
end?
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4.5.2.3
4.5.2.4
4.5.3.1
4.5.4.1
4.5.4.2
4.5.5.1
4.5.5.2
Which cable type has different pin
mappings at each termination?
What type of cable is used to
connect unlike devices?
On a PC, which pins transmit data?
On a switch, which pin receive data?
Give two examples of where a
straight through cable is used.
Crossover cables are used to connect
what type of devices?
List four combinations where a
crossover cable is needed.
Newer devices can automatically do
what to adapt to any cable
connection?
How many pin connections are on a
RJ-45 plug and how are they
numbered?
How is crosstalk avoided in cable
construction?
What are advantages of using a
patch panel?
What tool is used to terminate
connections on a patch panel?
What is the first step in verifying a
cable termination?
What is a cable tester’s function?
What device is used to measure AC
and DC voltage?
Define reversed pair?
Define a split pair
Define an open pair?
Define a short?
4.5.5.3
Define Attentuation?
Define Crosstalk?
4.5.6.1
When leakage is measured at the
transmitting end.
When a bad termination is identified
what is the recommended
correction?
Why is it important that all cable
adhere to the same standards ona
converged network?
Cable standards spefiy maximum
NEXT
FEXT
True
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4.5.6.2
lengths of cable.
UTP cable should be installed away
from what type of EMI sources?
Improper termination results in what
type of cabling issue?
Cable should be labelled as to
location in the physical topology
What is meant by Structured
Cabling?
False
True
False
List the two purposes of cable
management.
What are the advantages of
developing positive cabling practices?
4.5.6.3
Complete the activity.
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