Day 14 - Networking and Security I - Final Review

Which of the following upper layers of the OSI model are responsible for communicating between hosts?

• Application, Session, Transport

• Application, Presentation, Session

• Application, Data Link, Session

• Application, Session, Presentation

________ sends and receives information in the form of bits

• Layer 1

• Layer 2

• Layer 3

• Layer 4

________ are stripped off at their receiving router, and the original packet is left completely intact

• Packets

• Packet frames

• Sub layers

• IEEE

MAC defines how packets are placed on the media.

• True

• False

_______ are located at layer 3 and provide the routing services with an internetwork

• Packets

• Frames

• Routers

• Physical topologies

TCP and UDP both work at Layer 4

• True

• False

The session layer keeps applications’ data separate from other applications’ data

• True

• False

MAC reservations assign specific _______ to specific MAC addresses.

• pools

• TTL

• Networks

• IP addresses

Which of the following upper layers of OSI model are responsible for defining how data is transmitted from end to end?

• Transport, Network, Data Link, Physical

• Transport, Network, Application, Data Link

• Transport, Network, Presentation, Physical

• Transport, Network, Presentation, Data Link

The _____ layer of the OSI model is responsible for data translation and code formatting.

• presentation

• Session

• Network

• Physical