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- April 15, 2002 What is layer 3 of the OSI model called? A. network Question 2: Which layer of the OSI model provides connectivity and path selection between two end systems where routing occurs? A. physical layer B. data link layer C. network layer D. transport layer Question 3: Which layer of the OSI model describes the various types of networking media? C. physical layer Question 4: Packets are encapsulated into frames at which layer of the OSI model? A. data link Question 5: What is the function of the session layer? C. provides connectivity and path selection between two end systems Question 6: Which is a characteristic of the TCP/IP model? A. combines host and media layers B. combines session and transport layers C. combines data link and physical layers D. combines network and data link layers Question 7: At which layer of the TCP/IP model are FTP and HTTP located? A. application B. transport C. internet D. network Question 8: Which is an advantage of a layered network model? C. simplifies learning Question 9: A set of rules that determines the format and transmission of data is known as what? A. standard B. model C. representation D. protocol Question 10: Which best describes the function of the presentation layer? B. concerned with data structures and negotiation data transfer syntax Question 11: Which process does the OSI model describe? C. how information or data moves from one computer through a network to another computer Question 12: Which layer of the OSI model is responsible for reliable network communication between end nodes and provides mechanisms for the establishment, maintenance, and termination of virtual circuits, transport fault detection and recovery, and information flow control? D. transport layer Question 13: Which correctly describes a source address? B. the address of a host that sends data and information to other computers in a network Question 14: What is the correct order of the layers of the OSI model? A. physical, data link, network, transport, session, presentation, application Question 15: Which best describes the function of the physical layer? A. Defines the electrical and functional specifications for the link between end systems. B. Provides reliable transit of data across a physical link. C. Provides connectivity and path selection between two end systems. D. Concerned with physical addressing, network topology and media access. Question 16: Which best defines media in terms of networking? A. material through which data packets travel B. encapsulation of encoded information D. activation and maintenance of data links between systems Question 17: In the TCP/IP model, which layer would deal with reliability, flow control, and error correction? A. transport B. internet C. network D. application Question 18: When encapsulating data, what is the control information that is placed before the data called? B. header Question 19: At which layer of the OSI model is telnet located? A. transport B. session C. presentation D. application |
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