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#### General
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##### Check the Repo content
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Files that must be inside the repository:
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```bash
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$ tree deep-in-system/
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deep-in-system/
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├── bonus.pkt
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├── ex01.pkt
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├── ex02.pkt
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├── ex03.pkt
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├── ex04.pkt
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├── ex05.pkt
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├── ex06.pkt
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├── ex07.pkt
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└── ex08.pkt
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$
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```
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> the `bonus.pkt` is optional!
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###### Are all the required files present?
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#### Exercise 1:
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##### Open the `ex01.pkt` file in `Cisco PacketTracer`.
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###### Are the `devices/links/IPs/netmasks` in the solution similar to the required in the subject?
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##### Check the communication between the PCs
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- `PC0` can communicate with `PC1`.
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- `PC2` can communicate with `PC3`.
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- `PC4` can communicate with `PC5`.
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###### Can you confirm that the communications mentioned above are established?
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##### Ask the following questions to the group or student
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- What is a RJ-45 cable?
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- What is difference between straight through and crossover RJ-45 cables?
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- How are the IP addresses calculated?
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###### Did the student reply correctly to the questions?
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#### Exercise 2:
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##### Open the `ex02.pkt` file in `Cisco PacketTracer`.
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###### Are the `devices/links/IPs/netmasks` in the solution similar to the required in the subject?
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##### Check the connections and communications.
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###### Does all computers connected to the Switch must be connected?
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###### Does all computers connected to the Hub must be connected?
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##### Ask the following questions to the group or student
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- What is the function of a `switch`, how does it operate and what is its role in networking?
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- What is the function of a `hub`, how does it operate and what is its role in networking?
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- What are the differences between a `hub` and a `switch`?
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- Can you identify the `OSI model layer` that the `switch` and the `hub` operate on?
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###### Did the student reply correctly to the questions?
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#### Exercise 3:
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##### Open the `ex03.pkt` file in `Cisco PacketTracer`.
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###### Are the `devices/links/IPs/netmasks` in the solution similar to the required in the subject?
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###### Can you confirm that all `servers` have static IP addresses?
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###### ###### Do all servers only provide the service specified for them?
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###### Is the `DHCP server` responsible for assigning the IP addresses to all PCs?
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##### Check the `HTTPS Server`.
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###### Can you connect to the `HTTPS Server` from any PC in the network?
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###### Does the `HTTPS Server` shows a "hell" message and is the `HTTP` disabled?
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##### Check the `FTP server`.
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###### Does a `"deepinnet"` user with `RWDNL` access exists in the `FTP server`?
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###### Can you connect to the `FTP server` using the `"deepinnet"` user from any PC in the network?
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##### Check the `DNS server`.
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##### Confirm if the `DNS server` records are correct.
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```bash
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deep-in-net.local > 192.168.1.99
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deep-in-net.com > deep-in-net.local
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```
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###### Does the `DNS server` contains the correct records as above?
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###### Does `"https://deep-in-net.com"` redirects to the `HTTPS Server`?
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##### Ask the following questions to the group or student:
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- What is a `server` and what is its purpose in networking?
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- How does `DHCP` work in a network and what is its function?
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- What is the definition of `DNS` and what role does it play in network communication?
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- What is the purpose of `HTTP` and how is it used in networking?
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- What is `HTTPS` and how does it differ from `HTTP`?
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- What is the purpose of `FTP` and how does it operate in network communication?
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- What is `TCP` and `UDP` communication and what distinguishes them from each other?
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- At which `OSI model layer` do `TCP` and `UDP` operate?
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- What is a `port` in networking and what is its function?
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- What are the `port` and `OSI model layer` for each protocol used?
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- What are the various types of `DNS` records and what are their purposes?
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###### Did the student reply correctly to the questions?
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#### Exercise 4:
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##### Open the `ex04.pkt` file in `Cisco PacketTracer`.
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###### Are the `devices/links/IPs/netmasks` in the solution similar to the required in the subject?
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##### Check the connections and communications.
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###### Are the 2 PCs communicating with each other?
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##### Ask the following questions to the group or student:
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- What is a `router` and what is its role in a network?
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- How does a `switch` differ from a `router` in terms of functionality?
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- At which `OSI model layer` does a `router` operate?
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- What is meant by the term "default gateway" in networking?
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###### Did the student reply correctly to the questions?
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#### Exercise 5:
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##### Open the `ex05.pkt` file in `Cisco PacketTracer`.
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###### Are the `devices/links/IPs/netmasks` in the solution similar to the required in the subject?
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##### Check the connections and communications.
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###### Are all devices connected to the same `switch` able to communicate with each other?
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###### Are all devices in `subnet 1` able to communicate with all devices in `subnet 2` and vice versa?
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#### Exercise 6:
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##### Open the `ex06.pkt` file in `Cisco PacketTracer`.
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###### Are the `devices/links/IPs/netmasks` in the solution similar to the required in the subject?
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##### Check the connections and communications.
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###### Is the PC in `subnet 1` able to communicate with the PC in `subnet 2` and vice versa?
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##### Ask the student to explain what is a `routing table` and what is its role?
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###### Did the student reply correctly to the question?
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#### Exercise 7:
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##### Open the `ex07.pkt` file in `Cisco PacketTracer`.
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###### Are the `devices/links/IPs/netmasks` in the solution similar to the required in the subject?
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##### Check the connections and communications.
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###### Are all devices connected to the same `switch` able to communicate with each other?
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###### Are all devices in `subnet 1` able to communicate with all devices in `subnet 2` and vice versa?
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##### Ask the student to recreate the `"Exercise 7"` network again without external tools.
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###### Was the student able to recreate the network?
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###### Does the created network perform correctly?
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#### Exercise 8:
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##### Open the `ex08.pkt` file in `Cisco PacketTracer`.
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###### Are the `devices/links/IPs/netmasks` in the solution similar to the required in the subject?
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##### Check the connections and communications.
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###### Are all devices connected to the same switch able to communicate with each other?
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###### Can all devices in `subnet 1` communicate with all devices in `subnet 2` and vice versa?
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###### Can all devices in `subnet 1` communicate with all devices in `subnet 3` and vice versa?
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###### Can all devices in `subnet 2` communicate with all devices in `subnet 3` and vice versa?
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#### Bonus:
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###### + Did the student pass the network recreation exam without error and in a short time?
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###### + Did the student add any optional bonus? If he did ask him what was it.
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> The auditor has the freedom to decide whether the bonus deserves to count or not!
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