Day 2 - N&S - 2nd Review - Day 2 review

OSI describes the flow of data between ______ in any network.

• nodes

• data

• protocol

• loops

A successful data transfer technique is to adapt the data into a standard format before _____________

• Encryption

• Compression

• Transmission

• Formatting

___________ used to transport data through the internetwork

• Network layers

• Data packets

• Layer 3

• Internet protocol

When a host transmits data across a network to another device, the data goes through a process called encapsulation

• True

• False

TCP and UDP reside at which layer of the OSI model?

• 1

• 2

• 3

• 4

Which layer provides a user interface in the form of an entry point for programs to access the network infrastructure?

• Application

• Transport

• Network

• Physical

Which layer is responsible for code and character set conversion as well as recognizing data formats?

• Application

• Presentation

• Session

• Network

At which layers of the OSI model do bridges, hubs, and routers primarily operate?

• Physical, Physical, Data Link

• Data Link, Data Link, Network

• Data Link, Physical, Network

• Physical, Data Link, Network

Which layer is responsible for converting data into signals appropriate for the transmission medium?

• Application

• Network

• Data Link

• Physical

Which Layer 1 devices can be used to enlarge the area covered by a single LAN segment? (Choose two.)

• Firewall

• Hub

• Repeater

• RJ-45 transreciever