Computer Science > STUDY GUIDE > WGU C172 / WGUC172 NETWORK AND SECURITY FOUNDATIONS EXAM STUDY GUIDE | QUESTIONS AND VERIFIED ANSWER (All)
WGU C172 / WGUC172 NETWORK AND SECURITY FOUNDATIONS EXAM STUDY GUIDE | QUESTIONS AND VERIFIED ANSWERS | LATEST 2022/2023 | GRADED A+
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WGU C172 Exam Study Guide Set NIC - What functions at the data link by using a unique MAC address? Router - a network device that is used to connect 2 or more network segments by performing OSI lay... er 3 functions like packet-forwarding responsible for implementing NAT File Server - used as a shared storage for all member nodes of a LAN Layer 1 - Physical Layer Layer 2 - Data link layer Layer 3 - Network layer Layer 4 - Transport layer Layer 5 - Session layer Layer 6 - Presentation layer Layer 7 - Application layer Physical layer - provides the electrical and mechanical connection to the network Data Link layer - Handles error recovery, flow control (synchronization), and sequencing Ethernet 802.3 standard defined here Network layer - Accepts outgoing messages and combines messages or segments into packets, adding a header that includes routing information Transport layer - Ensures error-free packets. Segments/reassembles packets and handles flow control Session layer - provides the control functions necessary to establish, manage and terminate the connections as required to satisfy the user request [Show More]
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