Topic 1: OSI Reference Model & Layered Communications 1. Choose all terms popularly used as synonyms for MAC address. A. NIC address. B. Card address. C. LAN address. D. Hardware address. E. Ethernet address. F. Token Ring address. G. FDDI address. H. Burned-in address. I. MAC address. 2. What portion of a MAC address encodes an identifier representing the manufacturer of the card (choose two)? A. The first 3 bytes. B. The result show interface command for a LAN interface lists the burned in address after the acronym BIA. C. The first 6 bytes D. The first 12 Hexadecimal digits 3 | Topic 1 OSI Reference Model Layered Communications 1. Choose all terms popularly used as synonyms for MAC address. A. NIC address. B. Card address. C. LAN address. D. Hardware address. E. Ethernet address. F. Token Ring address. G. FDDI address. H. Burned-in address. I. MAC address. 2. What portion of a MAC address encodes an identifier representing the manufacturer of the card choose two A. The first 3 bytes. B. The result show interface command for a LAN interface lists the burned in address after the acronym BIA. C. The first 6 bytes D. The first 12 Hexadecimal digits 3. How many bits are present in a MAC address A. MAC addresses comprise 48 bits. B. The first 48 bits for burned-in addresses represent a code that identifies the manufacturer C. MAC addresses comprise 24 bits D. MAC addresses comprise 32 bits layer-3 address 4. PDU at the Network layer of the OSI is called what A. Core B. Frames C. Packets. D. Segments E. Access F. Distribution G. Transport 5. PDU at the Data Link layer is named what A. Frames. B. Packets C. Transports D. Segments E. Bits 6. Segmentation of a data stream happens at which layer of the OSI model A. Physical B. Data Link C. Network D. Transport. E. Distribution F. Access G. Network Protocols 7. Where are routers defined in the OSI model A. Physical B. Transport C. Data Link D. Network. E. Routing 8. 9. At which layer of the OSI are 1s and 0s converted to a digital signal A. Physical. B. Transport C. Data Link D. Network 10. Bridges are defined at what layer of the OSI model A. Physical B. Transport C. Data Link. D. Network 11. Which one of the following is a characteristic of a switch BUT NOT of a repeater A. Device is used to connect 2 Ethernet segments. B. Device is implemented as a layer in the OSI reference model C. Device supports simultaneous 10 100 Mbps implementation D. Device forwards packets based on the destination address in the frame 12. Which one of the following conditions indicates network congestion within a segment
