Exam 2 Chapter 7

T lines: 1) operate over existing telephone lines to carry voice, data, and video. 2) operate over coaxial lines to deliver Internet access. 3) are used in connection with satellite Internet access. 4) have up to twenty-four 64-Kbps channels. 5) are high-speed, leased data lines providing guaranteed service levels.

5) are high-speed, leased data lines providing guaranteed service levels.

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. 1) True 2) False

1) True

Which process is used to protect transmitted data in a VPN? 1) Tunneling 2) PPP 3) VOIP 4) Packet switching 5) Hypertext

1) Tunneling

Prior to the development of ________, computer networks used leased, dedicated telephone circuits to communicate with other computers in remote locations. 1) VOIP 2) routers 3) servers 4) coaxial cable 5) packet switching

1) VOIP

Which of the following enables multiple users to create and edit web documents? 1) Wiki 2) Blog 3) Social networking 4) Pinterest 5) RSS

1) Wiki

In TCP/IP, IP is responsible for: 1) disassembling and reassembling of packets during transmission. 2) establishing an Internet connection between two computers. 3) moving packets over the network. 4) sequencing the transfer of packets. 5) acknowledging the packets sent.

1) disassembling and reassembling of packets during transmission.

Digital subscriber lines: 1) operate over existing telephone lines to carry voice, data, and video. 2) operate over coaxial lines to deliver Internet access. 3) are very-high-speed data lines typically leased from long-distance telephone companies. 4) have up to twenty-four 64-Kbps channels. 5) are based on radio signals of various frequencies.

1) operate over existing telephone lines to carry voice, data, and video.

The child domain of the root is the: 1) top-level domain. 2) second-level domain. 3) host name. 4) domain extension. 5) base domain.

1) top-level domain.

A hub is a networking device that is used to filter and forward data to specified destinations on the network. 1) True 2) False

2) False

An NOS must reside on a dedicated server computer in order to manage a network. 1) True 2) False

2) False

An analog signal is a discrete, binary waveform that transmits data coded into two discrete states such as 1-bits and 0-bits. 1) True 2) False

2) False

Web browser software requests web pages from the Internet using which protocol? 1) URL 2) HTTP 3) DNS 4) HTML 5) FTP

2) HTTP

A networking approach where many control functions for managing the movement of data on a network are managed by a central program separately from the network itself is known as: 1) service-oriented architecture. 2) software-defined networking. 3) software-as-a-service. 4) remote network management. 5) cloud networking.

2) software-defined networking.

The device that acts as a connection point between computers and can filter and forward data to a specified destination is called a(n): 1) hub. 2) switch. 3) router. 4) NIC. 5) LAN.

2) switch.

What are the four layers of the TCP/IP reference model? 1) Physical, application, transport, and network interface 2) Physical, application, Internet, and network interface 3) Application, transport, Internet, and network interface 4) Application, hardware, Internet, and network interface 5) Hardware, software, transport, and application

3) Application, transport, Internet, and network interface

The Internet is based on which three key technologies? 1) TCP/IP, HTML, and HTTP 2) TCP/IP, HTTP, and packet switching 3) Client/server computing, packet switching, and the development of communications standards for linking networks and computers 4) Client/server computing, packet switching, and HTTP 5) HTTP, Web 3.0, and the mobile platform

3) Client/server computing, packet switching, and the development of communications standards for linking networks and computers

Which of the following is a challenge posed by Wi-Fi networks? 1) Lack of broadband support 2) Connectivity issues with wired LANs 3) Susceptibility to interference from nearby wireless systems 4) High cost of infrastructure technology 5) Size of access points

3) Susceptibility to interference from nearby wireless systems

Which of the following services enables logging on to one computer system and working on another? 1) FTP 2) LISTSERV 3) Telnet 4) World Wide Web 5) T1 lines

3) Telnet

The 802.11 set of standards is known as: 1) WLAN. 2) WSN. 3) Wi-Fi. 4) WiMax. 5) Bluetooth.

3) Wi-Fi.

A LAN could be used to connect all of the following except: 1) all of the computers in a large building. 2) all of the devices within a 10-meter area. 3) all of the computers in a city. 4) all of the computers in a small office. 5) all of the computers on a college campus.

3) all of the computers in a city.

Bandwidth is the: 1) number of frequencies that can be broadcast through a medium. 2) number of cycles per second that can be sent through a medium. 3) difference between the highest and lowest frequencies that can be accommodated on a single channel. 4) total number of bytes that can be sent through a medium per second. 5) number of packets sent per minute over a medium.

3) difference between the highest and lowest frequencies that can be accommodated on a single channel.

Which signal types are represented by a continuous waveform? 1) Laser 2) Optical 3) Digital 4) Analog 5) Hybrid

4) Analog

Which organization helps define the overall structure of the Internet? 1) None (no one "owns" the Internet) 2) W3C 3) ICANN 4) IAB 5) HTTP

4) IAB

The process of employing techniques to help a website achieve a higher ranking with the major search engines is called: 1) VPN. 2) IAB. 3) SEM. 4) SEO. 5) LED.

4) SEO.

In the domain name "http://myspace.blogging.com", what are the root, top-level, second-level, and third-level domains, respectively? 1) "http://", myspace, blogging, .com 2) "http://", .com, blogging, myspace 3) "http://", blogging, .com 4) myspace, blogging, .com 5) .com, blogging, myspace

5) .com, blogging, myspace

What technology allows people to have content pulled from websites and fed automatically to their computers? 1) FTP 2) Newsgroups 3) HTTP 4) Bluetooth 5) RSS

5) RSS

________ integrate(s) disparate channels for voice communications, data communications, instant messaging, email, and electronic conferencing into a single experience. 1) Wireless networks 2) Intranets 3) Virtual private networks 4) Telnet 5) Unified communications

5) Unified communications

The "Internet of Things" refers to: 1) the increasing focus on shopping as the major user activity on the Internet. 2) the microblogging trend, in which users exchange short text and pictures rather than longer and more in-depth content and text. 3) the rise in mobile gaming. 4) the trend away from platform-independent web applications to mobile-device specific apps. 5) a vision of a pervasive web in which common objects are connected to and controlled over the Internet.

5) a vision of a pervasive web in which common objects are connected to and controlled over the Internet.

The telephone system is an example of a ________ network. 1) peer-to-peer 2) wireless 3) packet-switched 4) TCP/IP 5) circuit-switched

5) circuit-switched

The advanced networking consortium representing more than 500 universities, businesses, and government agencies is known as: 1) Internet2. 2) ICANN. 3) IAB. 4) W3C. 5) FCC.

1) Internet2.

Which type of network serves a small group of computers, allowing them to share resources and peripherals without using a dedicated server? 1) Peer-to-peer 2) Wireless 3) LAN 4) Ring 5) MAN

1) Peer-to-peer

Which protocol is the Internet based on? 1) TCP/IP 2) FTP 3) Packet-switching 4) HTTP 5) Telnet

1) TCP/IP

Telephone networks are fundamentally different from computer networks. 1) True 2) False

1) True