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Network Layers
Questions
- Types of switching
- Pros and cons of circuit switching
- Pros and cons of packet switching
- What is a packet
- What are the layers of the OSI model
- What is the application layer
- What is the presentation layer
- what is the session layer
- What is the transport layer
- What is the network layer
- What is the datalink layer
- What is the Physical layer
- In which layer of the OSI model does encryption occur?
- Which layer of the OSI model is responsible for handling ports and connections?
- Is OSI model implemented anywhere?
- What are the layers of the TCP/IP model?
- Draw an encapsulation-decapsulation diagram for two hosts connected via a switch
- Draw the ethernet header
- How long are MAC addresses?
- what is the full form of MAC?
- Which comes first in an ethernet header - src or dest?
- Can a host have two MAC addresses?
- Draw the IPv4 header
- Which comes first in a IP header - src or dest?
- What is the size of an IP addr?
- What is a subnet?
- Do devices in a the same subnet require a router to communicate?
- In the context of subnets, what are the two parts of an IP address
- What is a netmask?
- Given an IP address and a netmask, how will you find the subnet?
- What notation is used instead of netmask?
- What is the netmask of
128.143.69.115 /8 - Why did they introduce the CIDR notation?
- If CIDR stands for classless inter domain routing, then what is classful routing?
- What layers of the TCP/IP stack are considered unreliable?
- What is the address used by TCP
- What is the length of a port number
- Mention scenarios in which you would use UDP?
- What does TCP and UDP stand for?