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Microsoft Azure Fundamentals CompTIA Network+ CompTIA CySA+ CompTIA Linux+ CompTIA PenTest+ CompTIA Cloud+ CompTIA ITF+ AWS Cloud Practitioner Microsoft Azure Fundamentals| Front | Back |
| What layer is the Data Link layer? | Layer 2 |
| Layer 6 of the OSI model is known as what? | Presentation |
| ARP operates at which layer of the OSI Model? | Data Link |
| At what layer of the OSI model does a router operate? | Network |
| HTTP operates on what layer of the OSI model? | Application |
| What is the PDU of layer 4? | segment |
| Which protocol operates on the Session layer of the OSI model? | SSL/TLS |
| What layer uses IP Addressing? | Layer 3 |
| What is the PDU of layer 3? | packet |
| Which device operates exclusively on the Physical layer of the OSI model? | Hub |
| Which layer uses either a connection-less or connect-oriented protocol? | Transport |
| What is the PDU of layer 1 of the OSI model? | bit |
| What protocol operates on the Transport layer of the OSI model? | TCP |
| On which layer of the OSI model would a frame be located? | Data Link layer |
| Which two layers utilize physical addressing? | Data Link (2) and Network (3) |
| Which device operates on the same level as a packet? | Router |
| How many layers are in the OSI Model? | 7 |
| What layer of the OSI model is the Physical Layer? | Layer 1 |