WGU C172 Study Guide Set| 243 QUESTIONS| WITH COMPLETE SOLUTIONS

NIC correct answer: What functions at the data link by using a unique MAC address? Router correct answer: a network device that is used to connect 2 or more network segments by performing OSI layer 3 functions like packet-forwarding responsible for implementing NAT File Server correct answer: used as a shared storage for all member nodes of a LAN Layer 1 correct answer: Physical Layer Layer 2 correct answer: Data link layer Layer 3 correct answer: Network layer Layer 4 correct answer: Transport layer Layer 5 correct answer: Session layer Layer 6 correct answer: Presentation layer Layer 7 correct answer: Application layer Physical layer correct answer: provides the electrical and mechanical connection to the network Data Link layer correct answer: Handles error recovery, flow control (synchronization), and sequencing Ethernet 802.3 standard defined here Network layer correct answer: Accepts outgoing messages and combines messages or segments into packets, adding a header that includes routing information Transport layer correct answer: Ensures error-free packets. Segments/reassembles packets and handles flow control Session layer correct answer: provides the control functions necessary to establish, manage and terminate the connections as required to satisfy the user request Presentation layer correct answer: accepts and structures the messages for the application. translates the messages for the application. responsible for data compression and encryption