CCND02 – Chapter 1: The Internet and Its Uses

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CCND02 – Chapter 1: The Internet and Its Uses
Online Study Guide- Key
Curr
1.1
1.1.1
1.1.2
1.2.1
Question
Answer
What is the Internet
The Internet and Standards
1. What is the internet?
2. What was the internet used for in
the beginning?
3. What year were businesses and
consumers connected to the
internet?
4. What are three business uses on
the Internet?
5. What is a set of rules for how
something must be done called?
6. What are the documents called
that track the evolution of new
standards?
ISP and ISP Services
7. What is a company or
organization through which a
subscriber obtains Internet access
called?
8. Name five services that an ISP
offers in addition to a network
connection?
A network of networks
scientific, educational, and military
research
1991
1. E-Commerce
2. Communications
3. Collaboration & Training
standards
Request for Comments (RFC)
An ISP
1. equipment co-locaton
2. FTP hosting
3. Web hosting
4. Voice over IP
5. application & media housing
Equipment co-location
9. Zippy Car, a medium-sized
business wants to house the
company-owned web servers in a
facility that offers round-the-clock
controlled access and highbandwidth Internet access. Which
ISP service will fulfill this need?
10. What service will allow a company FTP hosting
to upload files for members to log
in and use them from their current
location?
ACTIVITY
Delivering Internet Services to End Users
11. What is the slowest connection
Dialup
option to ISPs?
12. What two connections use phone
DSL
lines?
Dialup
13. What connection transmits radio
satellite
signals to the nearest POP and
then to the user’s computer?
14. What units are used to measure
bits per second (bps)
D02 – 01: The Internet and Its Uses
Online Study Questions
1-4
1.2.2
Internet bandwidth?
15. How are higher bandwidth speeds
measured?
16. What are three main types of high
bandwidth connection options
used by medium-to-large-sized
businesses?
17. What is the maximum T1
transmission speed?
18. T1 connections are symmetrical.
What does this mean?
19. What type of business would use
Metro Ethernet?
20. When using Metro Ethernet, what
type of technology is used to
connect the main office location
and all the branches
21. Where do individual computers
and business networks connect to
the ISP?
22. What moves data between the
various POPs?
Internet Heirarchy
23. What is at the top of the Internet
structure?
24. What do ISP POPs connect to?
25. What interconnects the internet
backbone?
26. How many exchange points are
there worldwide?
27. What is the primary medium that
connects the Internet?
28. Where is most of the Internet
cable installed?
29. How are the cables installed that
connect continents?
30. How are ISPs classified into
different tiers?
31. How do Tier 1 ISPs connect?
32. What do Tier 1 ISPs that join their
individual network backbones
together create?
33. Who owns , the Tier 1 ISPs
routers, high-speed data links, and
other pieces of equipment that join
them to other Tier 1 ISP
networks?
34. How do some Tier 2 ISPs carry
data to other parts of the world?
35. What Tier of ISPs provide
customers local access to the
D02 – 01: The Internet and Its Uses
kilobits per second (kbps), or gigabits per
second (Gbps).
T1
T3
Metro Ethernet
1.544
the upload bandwidth is the same as the
download bandwidth
banks
switched technology
at a POP
high-speed routers and switches
ISP organizations
Internet Exchange Point (IXP)
IXPs
Over 100
fiber-optic cable
underground
Fiber-optic cables also run under the sea
according to how they access the Internet
backbone
Tier 1 ISPs are huge organizations that
connect directly with each other through
private peering
the global Internet backbone
the Tier 1 ISPs own their own equipment
Pay Tier 1 ISPs to carry their traffic
Tier 3
Online Study Questions
2-4
1.2.3
1.2.3
1.3.1
1.3.1
1.3.2
Internet?
Identifying the Structure of the Internet
36. What command tests the average ping
time it takes a packet to reach the
destination and for the response
to return to the source
37. What command tests whether or
ping
not the destination device is
reachable through the network?
38. When you issue the ping
an echo request packet to the destination
command, what is sent to the
address and then waits for an echo reply
destination address?
packet to return from that host
39. What utility displays the path that
traceroute
a packet takes from the source to
the destination host?
40. What is each router that the
Hop
packet passes through called?
41. What command would show the
Traceroute nslookup ping
following:
1 15.0.0.6 4 msec
Hands on Lab – Traceroute
ISP Requirements
42. What devices enable the ISP to
Border gateway routers
connect and transfer data to other
ISPs, IXPs, or large business
enterprise customers?
43. What would cause ISP
an overloaded network
subscribers to wait for minutes for
a web page to load, or may even
lose their network connection?
44. What is the ability to allow for
Scalability
future change and growth of a
network called?
45. What are the most scalable
those that are modular and provide
devices?
expansion slots for adding modules
Packet Tracer Activity
Roles & Responsibilities within an ISP
46. What type of services are involved Network support services
in all aspects of network
management, including, adding
new subscribers and, network
repair?
47. What are five support service
Help desk
teams that are found within an
Network Operations Center (NOC)
ISP?
On-site Installation
Planning and Provisioning
Customer Service
48. What will determine whether the
Planning and Provisioning
new customer has existing
network hardware and circuits?
49. What monitors and tests the new
The Network Operations Center (NOC)
connection and ensures that it is
performing properly?
D02 – 01: The Internet and Its Uses
Online Study Questions
3-4
1.4.1
50. What team will help the customer
setup passwords?
Activity
Summary
D02 – 01: The Internet and Its Uses
Help Desk
Online Study Questions
4-4
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