Mis Chapter 7

Topics: Computer network, Internet, Client-server Pages: 6 (1074 words) Published: November 26, 2012
Chapter 7 Telecommunications, the Internet, and Wireless Technology

1) Telephone networks are fundamentally different from computer networks. Answer: TRUE

2) Increasingly, voice, video, and data communications are all based on Internet technology. Answer: TRUE

3) To create a computer network, you must have at least two computers. Answer: TRUE

4) An NOS must reside on a dedicated server computer in order to manage a network. Answer: FALSE

5) A hub is a networking device that connects network components and is used to filter and forward data to specified destinations on the network. Answer: FALSE

6) In a client/server network, a network server provides every connected client with an address so it can be found by others on the network. Answer: TRUE

7) Central large mainframe computing has largely replaced client/server computing. Answer: FALSE

8) Circuit switching makes much more efficient use of the communications capacity of a network than does packet switching. Answer: FALSE

9) A protocol is a standard set of rules and procedures for the control of communications in a network. Answer: TRUE

10) Two computers using TCP/IP can communicate even if they are based on different hardware and software platforms. Answer: TRUE

11) In a ring topology, one station transmits signals, which travel in both directions along a single transmission segment. Answer: FALSE

12) Coaxial cable is similar to that used for cable television and consists of thickly insulated copper wire. Answer: TRUE

13) Fiber-optic cable is more expensive and harder to install than wire media. Answer: TRUE

14) The number of cycles per second that can be sent through any telecommunications medium is measured in kilobytes. Answer: FALSE

15) The Domain Name System (DNS) converts IP addresses to domain names. Answer: FALSE

16) VoIP technology delivers video information in digital form using packet switching. Answer: TRUE

17) Web 3.0 is a collaborative effort to add a layer of meaning to the existing Web in order to reduce the amount of human involvement in searching for and processing Web information. Answer: TRUE

18) Wi-Fi enables users to freely roam from one hotspot to another even if the next hotspot is using different Wi-Fi network services. Answer: FALSE

19) WiMax has a wireless access range of up to 31 miles.
Answer: TRUE

20) RFID has been exceptionally popular from the technology's inception because of its low implementation costs. Answer: FALSE

21) The device that acts as a connection point between computers and can filter and forward data to a specified destination is called a(n) A) hub.
B) switch.
C) router.

22) The Internet is based on which three key technologies?
B) TCP/IP, HTTP, and packet switching
C) client/server computing, packet switching, and the development of communications standards for linking networks and computers D) client/server computing, packet switching, and HTTP

23) The method of slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destinations is called A) multiplexing.
B) packet switching.
C) packet routing.

24) The telephone system is an example of a ________ network. A) peer-to-peer
B) wireless
C) packet-switched
D) circuit-switched

25) Which of the following is not a characteristic of packet switching? A) Packets travel independently of each other.
B) Packets are routed through many different paths.
C) Packet switching requires point-to-point circuits.
D) Packets include data for checking transmission errors.

26) In TCP/IP, IP is responsible for
A) disassembling and reassembling of packets during transmission. B) establishing an Internet connection between two computers. C) moving packets over the network.
D) sequencing the transfer of packets.

27) In a telecommunications network architecture, a...
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