The arrangement of the cabling and how the devices connect to each other is referred to as what?
answer
Network's physical topology
question
When can a collision occur on a switch?
answer
If switch is operating on half duplex mode.
question
What is the most common topology and technology combination in use today?
answer
Switched/Ethernet
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When discussing Ethernet standards, what does the XBaseY terminology refer to?
answer
The transmission speed, the type of transmissions and the length or type of cabling.
question
What is the result of absorption on Wi-Fi signals?
answer
Attenuation (weakening)
question
What topology is typically used for WAN connections or wireless bridges?
answer
Point to Point
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What is a physical ring?
answer
Topology that is daisy-chained like a bus and in which the cabling is brought around from the last device to the first device.
question
In wireless networks, what type of media access control is used?
answer
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
question
What 10 Gigabit standard uses MMF cabling for stances up to 300 meters and is often used for SONET campus networks?
answer
10GBaseSW
question
BASEBAND
answer
Sends a digital signal using the entire bandwidth
question
PHYSICAL TOPOLOGY
answer
How the cables connect one device to another
question
COLLISION
answer
Can occur when two devices on the same medium transmit simultaneously.
question
MESH TOPOLOGY
answer
Connects every device to every other device
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LOGICAL TOPOLOGY
answer
How the data travels from one device to another
question
BROADBAND
answer
Uses an analog signal to send multiple signals simultaneously.
question
CSMA/CA
answer
Access method used by Wi-Fi
question
POINT TO POINT TOPOLOGY
answer
Direct connection between two devices
question
CSMA/CD
answer
Devices on the network must listen first before they can transmit.
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MEDIA ACCESS METHOD
answer
A set of rules governing how and when the network medium can be accessed for transmission.
question
What are some characteristics of Unshielded Twisted Pair cabling?
answer
Contains four pairs of copper wire, comes in numbered categories and is susceptible to electrical interference.
question
When a wireless computer uses a peer-to-peer connection to directly connect to another wireless computer, it is operating in what mode?
answer
Ad hoc
question
With which kind of Wi-Fi antennas does the signal radiate out with equal strength in all directions?
answer
Omnidirectional
question
What is in an Ethernet frame's trailer?
answer
Cyclic Redundancy Check
question
What is the IEEE standard governing wireless networking?
answer
802.11
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What does a network's logical topology often depend on ?
answer
The Central device's electronics
question
In a physical bus topology, both ends of the medium must be terminated in order to prevent what?
answer
Signal bounce
question
What type of logical topology is at work when using an Ethernet hub?
answer
Logical bus
question
What is the media access method used by Ethernet?
answer
CSMA/CD
question
In which topology does a central device communicate with two or more other devices and is used in WANs where a main office has connections to several branch offices via a router?
answer
Point to Multipoint
question
What is an advantage of a point-to-point topology?
answer
Data travels on a dedicated link.
question
In a token ring network, what is the central device called?
answer
A multistation access unit.
question
What are the advantages of a physical star?
answer
Use of faster technologies, easier network upgrades, centralized monitoring and management of traffic.
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