5-A-day Cheng Lee 1. Name a benefit that is true of print sharing? Access by main server concurrently 2. What service works as a "storage and retrieval" application? E-mail 3. What is one advantage of directory and name services? A standardized means of naming and locating resources on a network Text names are easier to remember than numeric addresses Network resources are not bound to a physical location 4. Name 3 features that LANs are generally designed to accommodate? Point-to-point network Star Share a single communication channel 5. What does the term media access control describe? Allow each computer to have its turn to use the medium so that there is a fair and efficient way to share the network 6. Which of the following is the most popular physical LAN topology? Star 7. What is the physical topology when all the computers in a network connect to a central point? Star 8. Write a statement that best describes a serial link? Because the bits of information are transmitted one after another in a series, like cars traveling on a single lane highway 9. Write a statement that is true of peer-to-peer networks? The networked computers act as equal partners, or peers to each other 10.Peer-to-peer and client/server networks share many characteristics. What is unique to the client/server environment? Data can be located on one server or distributed across multiple servers. 11.What is one disadvantage of a client/server network? Require expensive NOS software such as NT, Windows 2000 server, or Novell Netware Requires expensive, more powerful hardware for the server machine Requires a professional administrator Has a single point of failure if there is only one server, and user’s data can be unavailable if the server is down 12.What is the purpose of protocols? sequence of messages exchanged between two or more systems to accomplish a given task 13.What do transport layer protocols use to identify the application needed to process data? Transmission Control Protocol (TCP) 14.Which network layer protocol enables routers to discover the best path between networks using hop count? Routing Information Protocol (RIP) 15.What is an advantage of Linux? Free to public 16.What are two advantages of Windows over Linux? Organized source of funding and development 17.Why are open source technologies appealing to many people? There are some people within the computer industry that are not happy with the limitations that proprietary standards impose 18.Which access control method is specified in the IEEE 802.3 standard? Sense Multiple Access/Collision Detection (CSMA/CD) 19.What is a major advantage of UTP? inexpensive 20.Which two types of cabling will support 100BASE-X? 2-strand fiber-optic cable 2-pair Category 5 UTP or STP 21.Which of the following statements best describes full-duplex transmission? a telephone conversation between two people 22.Which DSL technology is most commonly used? Cisco 23.Which technology provides the best support for upload-intensive Internet tasks? FTP