Characterized by data whose values vary over a continuous range
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93%
Analog Message
7%
Digital Message
Local Area Networks (LANs) are characterized by:
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8%
Large geographical area
3%
Ownership by multiple organizations
89%
High data rates and usually owned by the same organization
Wide Area Networks (WANs) are known for:
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2%
Supporting small geographical areas
92%
Common carrier circuits and slower speed links
6%
Usually owned by same organization
Choose The Faster
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9%
LAN -> WAN -> MAN
3%
WAN -> LAN -> MAN
80%
LAN -> MAN -> WAN
7%
WAN -> MAN -> LAN
Which of the following LAN topologies uses a central node to connect all devices in a star-like configuration?
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5%
Bus topology
3%
Ring topology
8%
Mesh topology
83%
Star topology
In a bus topology, how are devices connected?
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10%
Each device is connected to a central hub or switch.
78%
Each device is connected in a linear daisy-chain manner.
3%
Each device is connected in a circular loop.
9%
Each device is connected to multiple other devices.
Which of the following LAN topologies uses a token-passing mechanism to control access to the network?
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7%
Bus topology
58%
Ring topology
15%
Star topology
21%
Mesh topology
Which LAN topology provides redundancy and fault tolerance by having multiple paths for data to travel?
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8%
Bus topology
11%
Ring topology
14%
Star topology
66%
Mesh topology
Which LAN topology is known for its simplicity and ease of installation but can suffer from a single point of failure?
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81%
Bus topology
15%
Ring topology
4%
Mesh topology
Suppose you have a network with 6 devices connected in a mesh topology. In a mesh topology, each device is directly connected to every other device in the network
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5%
18
86%
15
7%
12
1%
17
Comprising a sequence of physical links with a dedicated logical channel
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92%
Circuit Switching
8%
Packet Switching
Commonly used in traditional telephone networks
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89%
Circuit Switching
11%
Packet Switching