D481 Physical and Data Link Layers
UPDATED ACTUAL Exam Questions and
CORRECT Answers
OSI Layers (1 to 7) - CORRECT ANSWER - Physical, Data Link, Network, Transport,
Session, Presentation, Application
TCP (Transmission Control Protocol) - CORRECT ANSWER - A connection-oriented,
guaranteed-delivery
protocol used to send data packets between computers over a network like the Internet.
TCP/IP Model - CORRECT ANSWER - Application, transport, Internet, and network
interface
OSI Model - CORRECT ANSWER - Open Systems Interconnection Model
Circuit Switched - CORRECT ANSWER - A network that creates a path between the
source and destination devices
Extranet - CORRECT ANSWER - Private network that allows authorized external users to
securely share information
Internet Protocol (IP) - CORRECT ANSWER - Another name for the TCP/IP suite
Internetworking - CORRECT ANSWER - connecting host computers and their networks
together to form even larger networks like the internet
Intranet - CORRECT ANSWER - Private, internal network
UPDATED ACTUAL Exam Questions and
CORRECT Answers
OSI Layers (1 to 7) - CORRECT ANSWER - Physical, Data Link, Network, Transport,
Session, Presentation, Application
TCP (Transmission Control Protocol) - CORRECT ANSWER - A connection-oriented,
guaranteed-delivery
protocol used to send data packets between computers over a network like the Internet.
TCP/IP Model - CORRECT ANSWER - Application, transport, Internet, and network
interface
OSI Model - CORRECT ANSWER - Open Systems Interconnection Model
Circuit Switched - CORRECT ANSWER - A network that creates a path between the
source and destination devices
Extranet - CORRECT ANSWER - Private network that allows authorized external users to
securely share information
Internet Protocol (IP) - CORRECT ANSWER - Another name for the TCP/IP suite
Internetworking - CORRECT ANSWER - connecting host computers and their networks
together to form even larger networks like the internet
Intranet - CORRECT ANSWER - Private, internal network
