Deck 4: Telecommunications and Networking

Question 1

Internet Protocol (IP) addresses using IPv4 consist of 128 bits.

Answer 1

False

Question 2

The Ethernet is:

A) a network that connects parts of intranets of different organizations.
B) a massive network that connects computer networks of businesses, government agencies, and schools around the world quickly, seamlessly, and inexpensively.
C) a common local area network protocol.
D) none of these options.

Answer 2

C

Question 3

_____ are high-speed central networks to which multiple smaller networks connect.

A) Local area networks
B) Routers
C) Corporate backbone networks
D) Network servers

Answer 3

C

Question 4

Which of the following is NOT a reason why computer networks are essential to modern organizations?

A) Networks enable organizations to become more flexible so that they can adapt to rapidly changing business conditions.
B) Networks allow managers to spend more time training employees.
C) Networks allow companies to share hardware, computer applications, and data across the organization.
D) Networks make it possible for geographically dispersed employees and workgroups to share documents, ideas, and creative insights.

Question 5

Which wireline communication has the highest security?

A) Twisted-pair wire
B) Coaxial cable
C) Fiber-optic cable
D) All of these options

Question 6

Which of the following statements accurately summarizes the relationship between client/server processing and peer-to-peer processing?

A) Client/server processing is a type of peer-to-peer processing in which servers provide computing services for user PCs called clients.
B) Peer-to-peer processing is a type of client/server processing in which each computer acts as both a server and a client.
C) Peer-to-peer processing involves thin clients with no local storage, whereas client/server processing involves fat clients with abundant local storage.
D) None of these options

Question 7

Bandwidth is the system that connects computers with other devices, such as printers, so that data can be transmitted.

Question 8

Which of the following combinations of trade-offs should an organization typically choose when it acquires networks?

A) Higher speed and lower cost
B) Lower speed and longer distances
C) Lower costs and longer distances
D) All of these options

Question 9

Internet service providers connect to one another through:

A) network access points.
B) wide area networks.
C) affinity portals.
D) file servers.

Question 10

Digital signals have two parameters: amplitude and frequency.

Question 11

An extranet connects parts of the intranets of various organizations.

Question 12

In rural areas, high-speed wireline and wireless services are readily available replacements for plain old telephone system.

Question 13

One of the functions of the Transmission Control Protocol is:

A) to disassemble, deliver, and reassemble the data in the packets during transmission from one computer to another.
B) to set the rules that govern the transmission of data between computers.
C) to manage the movement of packets between computers.
D) all of these options.

Question 14

Which transmission technology utilizes existing telephone lines?

A) DSL
B) ATM
C) SONET
D) T-carrier systems

Question 15

Metropolitan area networks (MANs) typically cover large geographic areas and can span the entire planet.

Question 16

Place the different types of computer networks in the order of their sizes, ranging from the smallest to the largest.

A) PAN-MAN-WAN-LAN
B) PAN-LAN-MAN-WAN
C) PAN-MAN-LAN-WAN
D) LAN-PAN-MAN-WAN

Question 17

File sharing is a type of peer-to-peer processing.

Question 18

The World Wide Web:

A) uses the Internet's transport functions to communicate information.
B) requires the user to specify a URL (uniform resource locator) to access Web sites.
C) uses GUIs (graphical user interfaces) to navigate.
D) all of these options.

Question 19

The Internet is managed by a central agency which bears all the cost and responsibility.

Question 20

Which of the following is not a basic function of Transmission Control Protocol?

A) Managing the movements of packets between computers
B) Sequencing the transfer of packets
C) Analyzing the packets for size
D) Acknowledging that packets have been transferred

Question 21

Using human observers or vessel-monitoring systems are cheaper to implement than using GPS in large commercial fishing boats to certify that the boats are not straying into protected areas.

Question 22

Companies seeking to expand in other countries should first manage language problems by focusing on developing localized content.

Question 23

Which of the following is a type of chat program?

A) Web based
B) Telephone based
C) Cable based
D) None of these options

Question 24

A search engine maintains an index of billions of Web pages which is used to find pages that match a set of user-specified keywords.

Question 25

Domain names are read from _____ to _____.

A) bottom; top
B) top; bottom
C) right; left
D) left; right

Question 26

If group members are working in different locations, they constitute a virtual group.