Question

1) What are the Layers of the OSI Model? 2) Name 3 types of physical layer networking connections? 3) What type of pinout was used to create the Patch Cable for this exercise? 4) How do you create a crossover cable and why would you need one? 5) What is the Ping Command and how does the Ping Command verify connectivity?

Answer 1

The OSI model consists of 7 layers, including the physical layer. Three types of physical layer networking connections are Ethernet, Token Ring, and serial connections. The pinout used for the patch cable in this exercise is 568B. A crossover cable is created by swapping the Tx and Rx pairs, and it is used to connect similar devices without a network switch. The Ping command is used to verify connectivity between network devices.

Step-by-step explanation:

1) Layers of the OSI Model:

The OSI (Open Systems Interconnection) model consists of 7 layers:

Physical layer

Data link layer

Network layer

Transport layer

Session layer

Presentation layer

Application layer

2) Types of physical layer networking connections:

Three types of physical layer networking connections are:

Ethernet

Token Ring

Serial connections

3) Pinout for Patch Cable:

The pinout used to create a patch cable for this exercise is 568B.

4) Creating a crossover cable:

To create a crossover cable, you need to swap the transmit (Tx) and receive (Rx) pairs of the Ethernet cable. A crossover cable is used to connect similar devices, like two computers, without the need for a network switch.

5) Ping Command:

The Ping command is used to verify connectivity between two network devices. It sends a message (ICMP echo request) to the target device and waits for a response (ICMP echo reply). If a response is received, it confirms that the two devices are connected and communicating.

Answer 2

The OSI Model consists of seven layers, including the Physical Layer. Three types of physical layer connections are Twisted Pair, Fiber Optic, and Wireless. A crossover cable is made by wiring ends with different standards, used for direct device connections, and the Ping command checks network connectivity.

Step-by-step explanation:

The OSI Model has seven layers:

1. Physical Layer
2. Data Link Layer
3. Network Layer
4. Transport Layer
5. Session Layer
6. Presentation Layer
7. Application Layer

Three types of physical layer networking connections include:

• Twisted Pair Cabling (e.g., Ethernet cables)
• Fiber Optic Cabling
• Wireless (e.g., Wi-Fi or Bluetooth)

The pinout for a standard patch cable typically follows the T568B or T568A standard. A crossover cable is created by wiring one end using the T568A standard and the other end using the T568B standard. This type of cable is used to directly connect two similar devices, such as two computers, without the need for a switch or hub.

The Ping command is a network utility that sends ICMP echo request packets to a target host and listens for ICMP echo responses to verify IP-level connectivity. If a response is received, it indicates that the target is reachable and the network connection between the source and target is functioning.