Exam IT 505 Multiple Choice (20 questions , 2 points each) Please Submit a word document of your exam. Please DO NOT repeat the questions. Only submit your answers for example 1.A, 2. B……Ect 1. Which of the following is NOT one of the typical characteristics of back-end networks? A. high data rate B. high-speed interface C. distributed access D. extended distance 2. Problems with using a single Local Area Network (LAN) to interconnect devices on a premise include: A. insufficient reliability, limited capacity, and inappropriate network interconnection devices B. insufficient reliability, limited capacity, and limited distances C. insufficient reliability, limited distances, and inappropriate network interconnection devices D. limited distances, limited capacity, and inappropriate network interconnection devices 3. Which of following is NOT one of the designs that determines data rate and distance? A. the number of senders B. the number of receivers C. transmission impairment D. bandwidth 4. The fact that signal strength falls off with distance is called ________________. A. bandwidth B. attenuation C. resistance D. propagation 5. Which of the following is NOT one of the distinguishing characteristics for optical fiber cables compared with twisted pair or coaxial cables? A. greater capacity B. lower attenuation C. electromagnetic isolation D. heavier weight 6.________ is a set of function and call programs that allow clients and servers to intercommunicate. A. IaaS B. SQL C. API D. Middleware 7. A computer that houses information for manipulation by networked clients is a __________. A. server B. minicomputer C. PaaS D. broker 8. ________ is software that improves connectivity between a client application and a server. A. SQL B. API C. Middleware D. SAP 9. The inability of frame relay to do hop by hop error control is offset by: A. its gigabit speeds B. its high overhead C. the extensive use of in-band signaling D. the increasing reliability of networks 10. All Frame Relay nodes contain which of the following protocols? A. LAPB B. LAPD C. LAPF Core D. LAPF Control 11. The technique employed by Frame Relay is called __________. A. inband signaling B. outband signaling C. common channel signaling D. open shortest path first routing 12. In ATM, the basic transmission unit is the ________. A. frame B. cell C. packet D. segment 13. When using ATM, which of the following is NOT one of the advantages for the use of virtual paths? A. less work is needed to set a virtual path B. the network architecture is simplified C.