IB CS Chapter 3

The _______ Layer is the third layer of the OSI Model(Use a capital)

What is the first layer of the OSI Model

• Physical

• Data Link

• Session

• Transport

What does the Network layer do?

• Breaks up segments into network packets, and reassembles the packets on the receiving end. It also routing packets by discovering the best path across a physical network.

• It turns Data into Columns and transports them to the network center the uses the session to export the data.

• Ensures that the connection is stable and controls the encryption

I'm Batu Khan and I want to use a VPN what are the advantages of this?

• All of the Above

• It is generally more secure.

• You can avoid bandwidth throttling

• Faster Internet Speeds

What is 97 in hex(remember to put 0x at the start to show its a hex number)

Draw a diagram of the CPU

Benefits of Bus Topology

• Cheap

• Secure

• Easy to install

• Faster

• Anti-Nuclear Capabilities

Which one best describes mesh topology

• Cheap but vulnerable to attacks, easy to install, good for small businesses, each device is connected to a cable that runs from one side of the network to the other.

• 2 hosts are connected by a cable, fast transfer but hard for large networks.

• Low cost and low collision. Each device is connected to each other is a circular format, each device has 2 neighbours. If one computer sucks it all crumbles down. 

• High speed of data transfer, durable not dependent on one thing. Each computer is connected with every other computer. 

• You merge to networks using types of topology by connecting them with a switch. 

Which best describes Hybrid Topology

• High speed of data transfer, durable not dependent on one thing. Each computer is connected with every other computer. 

• Easy to manage, low cable usage, good for small businesses. Finite number of switch ports. Each node in the network is connected to one central switch. 

• You merge two networks using types of topology by connecting them with a switch.

• Easy to manage and expand. Expensive and dependent on the root of the node. Parent-child hierarchy where one computer expands into two that are dependent on it which then each expand into another 2 etc... 

• Cheap but vulnerable to attacks, easy to install, good for small businesses, each device is connected to a cable that runs from one side of the network to the other. 

Which one best describes Tree Topology

• Easy to manage, low cable usage, good for small businesses. Finite number of switch ports. Each node in the network is connected to one central switch. 

• Easy to manage and expand. Expensive and dependent on the root of the node. Parent-child hierarchy where one computer expands into two that are dependent on it which then each expand into another 2 etc... 

• Cheap but vulnerable to attacks, easy to install, good for small businesses, each device is connected to a cable that runs from one side of the network to the other. 

• Low cost and low collision. Each device is connected to each other is a circular format, each device has 2 neighbours. If one computer sucks it all crumbles down.