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Computer Networking

Computer Networking
How often are BPDUs sent from a layer 2 device?

Never
Every 30 seconds
Every 2 seconds
Every 10 minutes

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Computer Networking
The Network topology that supports bi-directional links between each possible node is

Mesh
Ring
Tree
Star

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Computer Networking
An example of a medium-speed, switched communications service is

Dataphone 50
Series 1000
None of these
DDD
All of these

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Computer Networking
What are the two main types of access control lists (ACLs)?1. Standard2. IEEE3. Extended4. Specialized

1 and 3
2 and 4
3 and 4
1 and 2

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Computer Networking
You want to improve network performance by increasing the bandwidth available to hosts and limit the size of the broadcast domains. Which of the following options will achieve this goal?

Switches
Switches configured with VLANs
Bridges
Managed hubs

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Computer Networking
How many Character per sec(7bits + 1parity) can be transmitted over a 2400 bps line if the transfer is synchronous (1 "Start" and 1 "stop" bit)?

250
240
300
275

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