|How are networks formed?||system formed by links|
| What are websites that allow individuals to|
link to each other's pages called?
| What are connections with your friends|
| What two things do computers share when|
linked by a network?
|Data & resources|
| What is the smallest "network" you can|
| What is a collection of hosts connected by|
|Host connected by Network Devices|
| What is any device that sends and receives|
information on the network called?
| What are devices that are connected to|
| ~Network printer ~mobile handhelds|
| When a printer is connected directly to a|
switch, is it a host or peripheral?
| Host &Peripherals |
(End & Intermediary devices)
| Network devices link together using a|
variety of connections. What type of cabling
uses electrical signals?
| ~Copper |
| What type of cable uses light pulses to|
| What type of connection uses laser|
| What are two benefits of networking _|
| When sharing a networked printer, where|
are the print jobs sent?
|What type of tool is email considered?||Services|
|What device manages network resources?||Servers|
| What is a group of interconnected devices|
that is under the same administrative control
| Who controls the security and access|
control policies that are in force on the
| What are networks that connect LANs in|
geographically separated locations?
| What is the most common example of a|
|Who interconnects LANS?||Telecommunication services Providers|
| What is used to transmit and receive data|
over wireless devices?
| On a wireless network, what is connected to|
the network with copper cable?
| In a peer-to-peer network, how are devices|
connected to each other?
|Devices connected to each other w/o any additional networking devices between them|
| What is the maximum number of computers|
that should be in a peer-to-peer network?
|10 or less|
|Is there a centralized security?||NO|
| What device answers a clients request for|
information in a client/server network?
|Where is all network data stored?||Centralized Server|
| What two things must each user provide to|
gain access to network resources?
|Authorized UserName & Password|
| What is the amount of data that can be|
transmitted within a fixed time period?
| What are the small chunks of data called|
that are sent over a network?
|How is bandwidth measured?||bits per second|
|How do you write megabits per second?||Mbps|
|How many bits are in one byte?||8 bits|
| What is unidirectional or one-way|
| Simplex ((unidirectional))|
EX: TV station to TV @ home
| When data flows in one direction at a time,|
what is it called?
| Half-Duplex((two-way radio))|
EX:Police, CB radio, Emergency communication
| What is data flowing in both directions at the|
| Full-Duplex ((100 Mbps))|
EX: Telephone conversation
| Although the data flows in both directions,|
how is the bandwidth measured?
|one direction ((100 Mbps-network cable))|
| What type of communication is a telephone|
| What type of communication does a police|
two-way radio use?
|What type of communications is DSL?|| Full-Duplex|
| What is the number that is used to identify a|
device on the network called?
| Must each device on a network have a|
unique IP address to communicate with
other network devices?
| Each device on a LAN has to have an IP|
address. In order to communicate, these IP
addresses must be in the same
| What on the host is assigned a physical|
MAC (Media Access Control) address?
|NIC ((Network Interface Card))|
| How often does the physical address of a|
|the same as long as on the same Network|
| What is another name for a "logical|
|How many bits are in an IP address?||32 binary bits|
| What does the first part of an IP address|
| What does the second part of an IP address|
|Host on that Network|
| What is the only part of the IP address do|
routers need to know?
|How to reach each Network|
| What class of IP address is used by|
|What class is used for experimental testing?||E|
| What class of IP is given to customers by|
| What portion of the IP address does the|
subnet mask identify?
|Network portion of IP address|
| The Class A subnet mask is 255.0.0.0.|
What does the 255 indicate?
|First octet of IP adress|
| What is the default subnet mask of a Class|
|First 3rd octet of IP address|
| What settings in Windows, will you find|
| What device enables a computer to connect|
to the network?
| What does it mean that a MAC address is|
|MAC is permanently programed into NIC|
| What is used by the MAC to deliver data on|
| What software utility dynamically assigns IP|
addresses to NW devices?
Dynamic Host Configuration Protocol
| What are the four types of information that a|
DHCP server can assign to hosts?
| ~IP Address|
~Optional Values (DNS) Domain Name System
| If a DHCP server offers an IP address and|
the host accepts, what is it called when the
server assigns an IP address for a specific
period of time?
| How can a computer be configured to|
accept an IP address from a DHCP server?
|Obtain an IP Address Automatically|
| Your computer has been assigned an|
address of 169.254.2.1. Which service
dynamically assigned this address to the
Automatic Private IP Addressing
|What is a protocol?||Set of Rules|
| What are the five main functions of|
| Identifying __ERRORS___|
Compressing the data
Deciding how data is to be
Deciding how to_ANNOUNCE__
sent and received data
| What protocol is small, nonroutable, and|
designed for a work group network that
requires no connection to the Internet
NetBIOS Extended User Interface
| What protocol used to download email|
messages from an email server?
Simple Mail Transfer Protocol
| What protocol announces errors and|
congestion on a network?
Internet Control Message Protocol
| What CLI (command line utility) utility tests connection between|
|Ping =>sends a ICMP echo|
| How many pings are sent to a destination|
when testing connectivity?
| If you ping www.cisco,com, what will the|
server display in the answer?
| What does a router do with a packet if it|
doesn't know where to send it?
| What devices extend the range of a network|
by receiving data on one port, and then
regenerating the data and sending it out to
all other ports?
|Hub aka.=> Concentrators|
|What are sections of a network called?||Segments|
| What device maintains a table of MAC|
addresses for computers attached to each
| What device connects entire networks to|
|What address do routers read?||IP|
| What does a Wireless AP use to|
| What type of cable uses Glass/Plastic to transmit|
| What is noise generated by adjacent pairs of|
| What is needed so that your network|
communication isn't slow due to interference
caused by the magnetic field?
| What is the most commonly used cabling in|
Unsheilding Twisted Pair
| What is the range of Unshielded Twister|
|What in the cable limits signal degradation?|| EMI|
| What category has four pairs of wires and a|
transmission rate of 100 Mbps?
Shielded twisted pair
| What cable is used in most network|
| What type of coax cable is used for tv|
installations in the US?
| Why can fiber-optic cable deliver signals|
that are clearer, can go farther, and have
greater bandwidth than cable made of
copper or other metals?
|Not effected by EMI and RFI|
| What defines the way in which computers,|
printers, and other devices are connected to
| What determines how the hosts|
communicate across a medium, such as a
cable or the airwaves?
| What topology is a star network with an|
additional networking device connected to the main networking device?
|Extended Star topology|
| What topology connects all devices to each|
other and is used in WANs that interconnect LANS?
| What topology is is first come, first served|
for transmitting data on the network?
|What is the Ethernet IEEE standard?||Institute of Electrical and Electronic Engineers|
| What access control method must be used|
on this network?
| How do hosts access the network using the|
|First come, first served broadcast topology|
| As networks get bigger, what physical|
topology does an Ethernet network use?
|What is the speed of Gigabit Ethernet?||1Gbps|
| What is often used to connect several|
buildings in an office complex or on a
Fiber Distributed Data Interface
| Which standards organization has more|
than 860 active standards?
HINT: Best Known For Developing Standards
|What is the Ethernet standard?||IEEE 802.3|
| What network access control method must|
Ethernet networks implement?
Carrier Sense Multiple Access w/Collision Detection
|What must a host do before it sends data?||Listen to Network for clearance|
| How do hosts waiting to transmit data react|
to a collision on a CSMA/CD network?
|sends out a jam signal that tells all stations to stop transmitting & to run a back-off algorithm|
| Who has permission to transmit first, after a|
|First station that detects the collision, or the Doubling of voltage|
| Ethernet collisions can reduce transmissions|
by what percentage?
|What technology uses a star topology?||10 BASE-T|
|What is another name for 100BASE-TX?||Ethernet technology|
| What is the maximum range a data signal|
can travel through a 1000BASE-T network
| What type of Ethernet implementation|
should you use for live video?
| What is the IEEE standard that specifies|
connectivity for wireless networks?
| Which wireless IEEE standard operates in a|
radio frequency of 2.4 GHz and supports a
maximum bandwidth of 54 Mbps?
|Which model was created by the DoD?||TCP/IP|
| What protocol is the standard for|
transporting data across networks?
| What model standardized the way devices|
communicate on a network?
|What layer provides web browser services?||Application|
| What layer describes how hosts access the|
| What layers of the OSI model are|
implemented in hardware?
| Which layer of the OSI model is primarily|
concerned with accessing the physical
media and physical addressing?
| Which term describes the process of adding|
headers to data as it moves through the
layers of the OSI model?
| What is the term to describe data as it is|
broken down and sent down the layers of
the OSI model?
|What does a segment become at Layer 3? (Network)||Packet|
| What device is required to connect to the|
| What should you disable when installing a|
| What is a best practice to follow when|
installing a driver?
|Close all application when installing|
| Why should you reboot after installing a|
| What will indicate a network connection after|
you plug in the cable?
|LED / Link Light|
| What must all NICs be configured with in|
order to participate on the network? (3)
| What is an electronic device that transfers|
data between one computer and another
using analog signals over a telephone line?
|Dialup Network (DUN)|
| What's the acronym for the "plain old|
| What is the maximum bandwidth when|
using an analog telephone connection?
| When using ISDN, what technology carries|
| What technology shares the telephone wires|
with analog signals?
| Which technology is not good for hosting a|
8.10.2 Define power line
|ADSL (Asymmetric Digital Subscriber Line)|
| Which has faster bandwidth - analog|
modems or PLC?
| PLC |
Power Line Communitcation
|What type of signals can PLC carry?||Voice & Data Signals|
| What makes PLC easy for home network|
|Plug to outlet|
| Which WAN technology uses a wide range|
of frequencies or channels through which to
| What four technologies are considered|
|What are the satellite download speeds?||500Kbps|
|What is a disadvantage of using VoIP?||Counting on Internet|
| What is the biggest problem with network|
devices, especially in the server room?
| What should you do to your cable to save|
you time later?
| After gathering information from the|
customer, what should a technician do?
| What are the three areas where network|
problems are likely to occur?
| ~Network cable unplugged|
~Firewall blocking port 23
~Remote device not configed
|What does NIC do?||Reads MAC(media access control) address|
|NAT (network address translation)||Process used to convert private IP address to public IP address|
|DSL||Digital Subscriber Line|