CCNA Chapter 3 Quiz

Which layer of the OSI model defines services to segment and reassemble data for individual communications between end devices?

transport

Which three acronyms/initialisms represent standards organizations?

-IANA -IEEE -IETF

What three requirements are defined by the protocols used in network communcations to allow message transmission across a network?

-media coding -message size -delivery options

The MAC address of a PC does not change when the PC is moved to a different network because the MAC address is embedded in the ________ of the PC.

NIC

If the default gateway is configured incorrectly on the host, what is the impact on communications?

The host can communicate with other hosts on the local network, but is unable to communicate with hosts on remote networks.

Why are open standards important in the data communications industry?

They enable interoperability between software and hardware from different vendors.

Which message delivery option is used when all devices need to receive the same message simultaneously?

broadcast

At which layer of the OSI model would a physical address be encapsulated?

data link layer

Which logical address is used for delivery of data to a remote network?

destination IP address

What layer of the TCP/IP protocol model determines the best path through the network?

internet

What type of delivery uses data link layer addresses?

local delivery

What type of message is sent to a specific group of hosts?

multicast

What is the general term that is used to describe a piece of data at any layer of a networking model?

protocol data unit

What is the purpose of protocols in data communications?

providing the rules required for a specific type of communication to occur