Chapter 3 Flashcards
What three requirements are defined by the protocols used in the network communications to allow message transmission across a network? (Choose three.)
Message encoding, message size, delivery options
Which message delivery option is used when all devices need to receive the same message simultaneously?
Broadcast
What layer of the TCP/IP protocol model determines the best path through the network?
internet
Why are open standards important in the data communications industry?
They enable interoperability between software and hardware from different vendors.
What is the purpose of protocols in data communications?
Providing the rules required for a specific type of communication to occur
What type of delivery uses data link layer addresses?
Local delivery
Which three acronyms/initialisms represent standards organizations? (Choose three.)
IANA, IEEE, IETF
At which layer of the OSI model would a physical address be encapsulated?
Data link layer
What type of message is sent to a specific group of hosts?
Multicast
Which logical address is used for delivery of data to a remote network?
Destination IP address
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.
Fill in the blank.
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, network interface card, network card, Ethernet NIC, Ethernet network interface card, Ethernet network card
Which layer of the OSI model defines services to segment and reassemble data for individual communications between end devices?
Transport
What is the general term that is used to describe a piece of data at any layer of a networking model?
Protocol data unit
