Network and Security - Foundations – D315 UPDATED ACTUAL Questions and CORRECT Answers

Network and Security - Foundations – D315
UPDATED ACTUAL Questions and
CORRECT Answers
Application Layer - CORRECT ANSWER - Support for applications. Examples: HTTP,
FTP, SMTP


Presentation Layer - CORRECT ANSWER - Protocol conversion, data translation.
Examples: ASCII, JPEG


Session Layer - CORRECT ANSWER - Establishes, manages, and terminates sessions.
Examples: NFS, SQL


Transport Layer - CORRECT ANSWER - Ensures error-free packets. Examples: TCP,
UDP


Network Layer - CORRECT ANSWER - Provides routing decisions. Examples: IP, IPX



Data Link Layer - CORRECT ANSWER - Provides for the flow of data. Examples: MAC
addresses.


Physical Layer - CORRECT ANSWER - Signals and media. Examples: NICs, twisted-pair
cable, fiber.


OSI model - CORRECT ANSWER - Application, Presentation, Session, Transport,
Network, Data Link, Physical. (*P*lease *D*o not *T*hrough *S*asuage *P*izza *A*way)


Application Layer (TCP/IP) - CORRECT ANSWER - Defines the applications used to
process requests and which ports and sockets are used