Chapter 1 Networking Fundamentals Assignment

Chapter 1 1. 2. 3. ■ Networking Fundamentals At which of the following layers of the Open Systems Interconnection (OSI) model do the protocols on a typical local area network (LAN) use media access control (MAC) addresses to identify other computers on the network? A. Physical B. Data link C. Network D. Transport Which of the following organizations developed the Open Systems Interconnection (OSI) model? A. International Telecommunication Union (ITU-­T) B. Comité Consultatif International Télégraphique et Téléphonique (CCITT) C. American National Standards Institute (ANSI) D. Institute of Electrical and Electronics Engineers (IEEE) E. International Organization for Standardization (ISO) Which layer of the Open Systems Interconnection (OSI) model is responsible for the logical addressing of end systems and the routing of datagrams on a network? A. Physical B. Data link C. Network D. Transport E. Session F. Presentation G. Application 4. On a TCP/IP network, which layers of the Open Systems Interconnection (OSI) model contain protocols that are responsible for encapsulating the data generated by an application, creating the payload for a packet that will be transmitted over a network? (Choose all that apply.) A. Physical B. Data link C. Network D. Transport E. Session F. Presentation G. Application 5. What layer of the Open Systems Interconnection (OSI) model is responsible for translating and formatting information? A. Physical B. Data link C. Network D. Transport E. Session F. Presentation G. Application 6. 7. Which of the following devices typically operates at the network layer of the Open Systems Interconnection (OSI) model? A. Proxy server B. Hub C. Network interface adapter D. Router Which layer of the Open Systems Interconnection (OSI) model provides an entrance point to the protocol stack for applications? A. Physical B. Data link C. Network D. Transport E. Session F. Presentation G. Application 8. Which layer of the Open Systems Interconnection (OSI) model is responsible for dialogue control between two communicating end systems? A. Physical B. Data link C. Network D. Transport E. Session F. Presentation G. Application 9. Some switches can perform functions associated with two layers of the Open Systems Interconnection (OSI) model. Which two of the following layers are often associated with network switching? (Choose all that apply.) A. Physical B. Data link C. Network D. Transport E. Session F. Presentation G. Application 10. At which layer of the Open Systems Interconnection (OSI) model are there TCP/IP protocols than can provide either connectionless or connection-­oriented services to applications? A. Physical B. Data link C. Network D. Transport E. Session F. Presentation G. Application 11. Which of the following layers of the Open Systems Interconnection (OSI) model typically have dedicated physical hardware devices associated with them? (Choose all that apply.) A. Physical B. Data link C. Network D. Transport E. Session F. Presentation G. Application 12. At which layer of the Open Systems Interconnection (OSI) model is there a protocol that adds both a header and footer to the information that is passed down from an upper layer, thus creating a frame? A. Physical B. Data link C. Network D. Transport E. Session F. Presentation G. Application 13. Identify the layer of the Open Systems Interconnection (OSI) model that controls the addressing, transmission, and reception of Ethernet frames, and also identify the media access control method that Ethernet uses. A. Physical layer; Carrier Sense Multiple Access with Collision Detection (CSMA/CD) B. Physical layer; Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) C. Data link layer; CSMA/CD D. Data link layer; CSMA/CA 14. At which layer of the OSI model do you find the protocol responsible for the delivery of data to its ultimate destination on an internetwork? A. Data link B. Network C. Session D. Application 15. Which of the following is not a protocol operating at the network layer of the OSI model? A. IP B. ICMP C. IGMP D. IMAP 16. Ed is a software developer who has been given the task of creating an application that requires guaranteed delivery of information between end systems. At which layer of the Open Systems Interconnection (OSI) model does the protocol that provides the guaranteed delivery run, and what type of protocol must Ed use? A. Data link layer; connectionless B. Network layer; connection-­oriented C. Transport layer; connection-­oriented D. Application layer; connectionless 17. Which of the following devices operates only at the physical layer of the Open Systems Interconnection (OSI) model? A. Hub B. Bridge C. Switch D. Router 18. Alice is a network administrator designing a new Local Area Network (LAN). She needs to determine the type of cabling and the network topology to implement. Which layers of the Open Systems Interconnection (OSI) model apply to cabling and topology elements? A. Physical and data link layers B. Data link and network layers C. Network and transport layers D. Transport and application layers 19. Which layers of the Open Systems Interconnection (OSI) model do not have protocols in the TCP/IP suite exclusively dedicated to them? (Choose all that apply.) A. Physical B. Data link