# CCNA 1 Module 7 Exam Questions Verified and Provided with A+ Graded Answers Latest Updated 2026/2027 – Ethernet Frames, MAC & LLC Sublayers, Switching Methods, MAC Address Tables, CSMA/CD, VLAN & Ethernet Fundamentals | Instant Download

# CCNA 1 Module 7 Exam Questions & Answers – Latest Updated 2026/2027 Prepare for **CCNA 1 Module 7** with this comprehensive collection of **exam questions and A+ graded answers** covering essential **Ethernet and Data Link Layer** concepts. The material focuses on **Ethernet frame structure, MAC addresses, LLC and MAC sublayers, Ethernet switching, switching methods, switch memory buffering, MAC address tables, CSMA/CD, CSMA/CA, autonegotiation, Auto-MDIX, multicast MAC addresses, frame sizes, runt frames, EtherType, Frame Check Sequence (FCS), preamble, and IEEE 802.3 standards**. Ideal for students preparing for **CCNA 1 assessments, networking exams, Cisco networking coursework, IT networking tests, and computer networking revision**. ## TOPICS COVERED ### Ethernet Frame Structure * Ethernet frame * Data field * Padding * Preamble * EtherType * Frame Check Sequence (FCS) * Ethernet frame fields * Encapsulation * Layer 2 PDU * Minimum Ethernet frame size * Maximum Ethernet frame size * 64-byte Ethernet frame * 1518-byte Ethernet frame * Runt frames * Error detection ### Data Link Layer Sublayers * Logical Link Control (LLC) * Media Access Control (MAC) * LLC sublayer functions * MAC sublayer functions * Upper-layer communication * Media access control * OSI Layer 2 * Data Link Layer * Network interface software drivers ### Ethernet Switching * Ethernet switches * Switch forwarding decisions * MAC address table * Source MAC address learning * Destination MAC address * Cut-through switching * Store-and-forward switching * Fast-forward switching * Fragment-free switching * Switch memory buffering * Port-based memory buffering * Shared memory buffering ### Ethernet Access & Standards * IEEE 802.3 * CSMA/CD * CSMA/CA * Media access control * Ethernet access control * Autonegotiation * Speed negotiation * Duplex negotiation * Auto-MDIX * Ethernet cable detection ### MAC Addresses * MAC address fundamentals * MAC address table * Source Layer 2 addresses * Destination MAC addresses * Vendor OUI * Organizationally Unique Identifier * Globally unique MAC addresses * Multicast MAC addresses * 01-00-5E multicast prefix * Group addressing * Unicast and multicast concepts ## KEY CCNA 1 MODULE 7 CONCEPTS This resource covers questions involving: Ethernet frame padding and minimum frame size Frame Check Sequence and error detection EtherType and higher-layer protocols Preamble and receiver synchronization LLC and MAC sublayer functions MAC media access control CSMA/CD and CSMA/CA Cut-through and store-and-forward switching Fast-forward and fragment-free switching Port-based and shared memory buffering Switch MAC address learning MAC address tables Ethernet frame sizes Runt frame handling IEEE 802.3 Ethernet standards MAC address structure and OUI Multicast MAC addressing Auto-MDIX Autonegotiation Ethernet switching and forwarding ## WHY THIS RESOURCE IS USEFUL **Latest Updated 2026/2027** Focused specifically on CCNA 1 Module 7 concepts Includes questions with A+ graded answers Covers Ethernet and Data Link Layer fundamentals Useful for CCNA exam revision Covers Cisco switching concepts Includes MAC and LLC sublayer concepts Covers Ethernet frame structure and addressing Useful for networking students and IT learners **Instant Download** If you are studying **CCNA 1 Module 7**, this resource provides targeted revision across the core concepts of **Ethernet, switching, MAC addressing, Data Link Layer operations, Ethernet frames, network access methods, and Cisco switch functionality**. Search topics include **CCNA 1 Module 7 exam questions, CCNA 1 answers, Ethernet questions, Cisco networking questions, Ethernet frame questions, MAC address questions, switching questions, LLC questions, MAC sublayer questions, CSMA/CD questions, and Data Link Layer questions**.