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Networking
Network + Certification
83
Computer Networking
Undergraduate 1
08/04/2008

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Cards

Term
I have a network that spans three floors within the same building. What type of network is this?
Definition
A LAN or local area network
Term
My company has four offices within Chicago. The headquarters are located centrally in Chicago, and an office is located on each the north, south, west and east sides of Chicago. What type of network is this?
Definition
A MAN or Metropolitan Area Network
Term
My company has three offices that are connected by satellite links to create a network, one office is in New York, another in Los Angeles, and the third in St. Louis. What type of Network is this?
Definition
A WAN or wide area network.
Term
Five users need to share data with one another. What type of network host should you use?
Definition
You would use a server
Term
Typically a peer-to-peer network is designed for up to how many systems.
Definition
10 or fewer.
Term
I have a network that connects three Windows XP Professional computers together. What type of network do I have.
Definition
A peer-to-peer network
Term
I have a web based application that allows select business partners to review their account details and purchase products. What type of application have I built?
Definition
An Extranet Application
Term
I have a network that has three Windows XP
Professional computers that store and access files located on a central server. What type of network do I have?
Definition
A server-based network
Term
A web based application was built for employees within your company to track purchases. What type of application was built?
Definition
An Intranet application
Term
What does network topology refer to?
Definition
Network topology refers to the physical layout of of computers , cables, cables and other components on a network.
Term
I am an engineer. I want to have a network with a single cable to which all computers attach with drop cables. Which type of network topology should I use?
Definition
Use a BUS topology
Term
I want to have a central hub that connects all the computers via cables. Which type of network topology should I use?
Definition
Use a star topology.
Term
As a network technician I want to have multiple redundant links to ensure minimal downtime. Which network topology should I use?
Definition
A mesh topology
Term
I want to have a logically circular base for connecting all computers with no ending point. Which network topology should I use?
Definition
Use a ring topology.
Term
I want to have a network with little or no wiring around the employees and their PC's which network topology should I use?
Definition
Use a wireless topology.
Term
What cable grade is thinnet?
Definition
RG-58
Term
What cable grade is thicknet?
Definition
RG-8
Term
What connector style is used with RG-58 grade cable?
Definition
BNC or british naval connector.
Term
What connector is used with RG-8 cable?
Definition
AUI or adapter unit interface port connector.
Term
What is the thickness, maximum distance and transfer rate of RG-58 cable?
Definition
.25 inch , 185 meters , and 10Mbps
Term
What is the thickness, maximum distance and transfer rate of RG-8 cable?
Definition
.5 inch , 500 meters , and 10Mbps
Term
What are the two forms of twisted pair cable?
Definition
unshielded twisted pair (UTP) and Shielded twisted pair (STP)
Term
What is the maximum distance for UTP cable?
Definition
100 meters
Term
What type of connector does UTP cable use and how many wires does it allow for?
Definition
RJ-45 or registered Jack 45 and 8 wires.
Term
What is an RJ-11 connector used for and how many wires does it allow for.
Definition
Used for phone lines and allows for 4 wires.
Term
What is more susceptible to interference, RG-58 or UTP cable
Definition
UTP cable
Term
What is category 1 UTP cable used for?
Definition
Voice only
Term
What is category 2 UTP cable used for, and what is it's transfer rate?
Definition
data transmission and 4 Mbps
Term
What is category 3 UTP cable used for, and what is it's transfer rate?
Definition
Data transmission and 10 Mbps
Term
What is category 4 UTP cable used for, and what is it's transfer rate?
Definition
Data transmission and 16 Mbps
Term
What is category 5 UTP cable used for, and what is it's transfer rate?
Definition
data transmission and 100 Mbps
Term
What is category 5e UTP cable used for, and what is it's transfer rate?
Definition
Data transmission and 1 Gbps (1000 Mbps)
Term
What is category 6 UTP cable used for, and what is it's transfer rate?
Definition
Data transmission and 1 Gbps / 10 Gbps
Term
When making a UTP cable what is the 568B standard wiring order for making a straight through cable?
Definition
White - Orange :: White - Orange
Orange :: Orange
White - Green :: White - Green
Blue :: Blue
White - Blue :: White - Blue
Green :: Green
White - Brown :: White - Brown
Brown :: Brown
Term
When making a UTP cable what is the 568B standard wiring order for making a crossover through cable?
Definition
White - Orange :: White - Green
Orange :: Green
White - Green :: White - Orange
Blue :: Blue
White - Blue :: White - Blue
Green :: orange
White - Brown :: White - Brown
Brown :: Brown
Term
What is the only difference between UTP and STP cable?
Definition
STP cable has a protective layer of insulation within the protective jacket to maintain the quality of the signal.
Term
What are the two types of fiber optic cable?
Definition
Single Mode Fiber
and
Multimode Fiber
Term
What are the two most common types of fiber optic cable connectors?
Definition
ST or Straight Tipped connector
and
SC or Subscriber connector
Term
What is the maximum distance and transfer rate of fiber optic cable?
Definition
2km and 1+ Gbps
Term
What does USB stand for?
Definition
Universal Serial Bus
Term
What is the transfer rate of USB 1.1 ?
Definition
12 mbps
Term
What is the transfer rate of USB 2.0 ?
Definition
480 mbps
Term
What is the two different standards of FireWire?
Definition
1394a 400 mbps
and
1394b 800 mbps
Term
What is meant by the term access method?
Definition
How a host will put data on the wire.
Term
What does CSMA/CD stand for?
Definition
Carrier sense multiple access / collision detection
Term
What access method do all ethernet environments use?
Definition
They use the CSMA/CD access method.
Carrier Sense Multiple Access / collision Detection
Term
What does CSMA/CA stand for?
Definition
Carrier Sense Multiple Access Collision Avoidance.
Term
How does CSMA/CA "avoid collisions"?
Definition
By sensing if there is a signal on the wire, if there isn't than it sends out a dummy packet.
Term
How does the token passing access method work?
Definition
Each host waits until it has the packet to send data. Once it has the packet it can then send what it wants.
Term
What type of signals are used with baseband transmissions?
Definition
Digital signals through a single channel, and uses the entire available bandwidth.
Term
What type of signals are used with a broadband transmission?
Definition
Analog signals sending and receiving through multiple channels, a portion of the bandwidth is assigned to each so multiple transmissions can occur
Term
Since broadband is unidirectional what are the two methods for sending and receiving data?
Definition
You can use two different pathways or you can assign each a different frequency and use the same pathway.
Term
What is ethernet defined as?
Definition
Ethernet is defined as the IEEE 802.3 standard.
Term
What type of cabling would someone use in 10base2 ethernet?
Definition
They would use thinnet or RG-58
Term
What speed does 10base2 ethernet run at and what type of communication does it use?
Definition
10Mbps and baseband communication
Term
What type of access method does 10base2 ethernet use?
Definition
CSMA/CD all ethernet standards use this.
Term
What does the term "network architecture" refer to?
Definition
It refers to the speed, type of communication, and cables used.
Term
What type of cabling would someone use in 10base5 ethernet?
Definition
They would use thicknet or RG-8
Term
What speed does 10base5 ethernet run at and what type of communication does it use?
Definition
10Mbps and baseband communication
Term
What type of access method does 10base5 ethernet use?
Definition
CSMA/CD all ethernet standards use this.
Term
what is the 5-4-3 rule?
Definition
A rule that 10base2 and 10base5 architecture both follow. A total of five segments, connected by 4 repeaters, and only three of the segments can be populated by nodes.
Term
What type of cabling would someone use in 10baseT ethernet?
Definition
Since the system is running at 10Mbps, you would use CAT 3 UTP cable
Term
What speed does 10baseT ethernet run at and what type of communication does it use?
Definition
It runs at 10 Mbps , and uses baseband communication.
Term
What type of access method does 10base5 ethernet use?
Definition
CSMA/CD all ethernet standards use this.
Term
What is another name for fast ethernet?
Definition
100BaseX family
Term
What type of cabling would someone use in 10baseFL ethernet?
Definition
Fiber Optic Cable
Term
What speed does 10baseFL ethernet run at and what type of communication does it use?
Definition
10Mbps, and uses baseband communication
Term
What are the two Fast ethernet standards?
Definition
100baseTX and 100baseFX
Term
What speed does 100baseTX run at and what topology does it use?
Definition
100 mbps and a star topology
Term
What access method does 100baseTX ethernet use?
Definition
CSMA/CD all ethernets use this access method.
Term
What type of cable does 100baseTX ethernet use and how many wires of that cable does it use?
Definition
It uses CAT 5 cable and uses four wires on that cable.
Term
What speed does 100baseFX run at and what topology does it use?
Definition
100 mbps and a star topology
Term
What access method does 100baseFX ethernet use?
Definition
CSMA/CD all ethernets use this access method.
Term
What type of cable does 100baseFX ethernet use and how many wires of that cable does it use?
Definition
It uses fiber optic cable and needs two fiber optic strands.
Term
What is special about gigabit ethernet?
Definition
With gigabit ethernet we can reach speeds up to 1000 mbps with traditional media, such as coaxial cable, twisted pair, and fiber optic cable
Term
What does the IEEE 802.3z standard define?
Definition
Gigabit ethernet that runs over fiber-optic cable, or coaxial cable.
Term
What are the three types of gigabit ethernet that fall under the 802.3z standard?
Definition
1000base-SX , 1000base-LX , 1000baseCX
Term
For the 1000base-SX , gigabit ethernet architecture, what is the speed, type of communication used, type of cable used, and distance supported?
Definition
1000 mbps (1gbps) , baseband communication, multimode fiber optic cable, and distances up to 550 meters
Term
For the 1000base-LX , gigabit ethernet architecture, what is the speed, type of communication used, type of cable used, and distance supported?
Definition
1000mbps (1 gbps) , baseband communication, single mode fiber optic cable, supports distances up to 3 km.
Term
For the 1000base-CX , gigabit ethernet architecture, what is the speed, type of communication used, type of cable used, and distance supported?
Definition
1000 mbps (1gbps) , baseband communication, coaxial cable, and 25 meters
Term
Up to how many devices can USB support in a chain?
Definition
Up to 127 devices.
Term
What are the two USB connectors and provide a brief description of each.
Definition
Type A USB connector is the larger of the two connectors and connects to the computer, Type B USB connector is smaller and connects to a device.
Term
Up to how many devices can FireWire Support?
Definition
Fire wire can support up to 63 devices.
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