connect and protect networks and network security coursera weekly challenge 1 answers

Test your knowledge: Introduction to networks

1. To connect an entire city, the most effective network type would be a local area network (LAN).

  • True
  • False

2. A security professional wants to ensure information is being broadcast properly to every computer on their organization’s network. What device should they investigate?

  • Hub
  • Modem
  • Internet
  • Router

3. What are some benefits of switches? Select all that apply.

  • They automatically install device-protection software.
  • They can improve network performance.
  • They control the flow of traffic.
  • They only pass data to the intended destination.

4. Fill in the blank: The practice of using servers, applications, and network services that are hosted on the internet is called _____ computing.

  • website
  • connected
  • cloud
  • uploadable

Test your knowledge: Network communication

5. What type of information is contained within the header of an IP packet?

  • The message that needs to be transmitted to the receiving device
  • An explanation of how the port number will be processed by the receiving device
  • The sender’s IP address, the size of the packet, and the protocol to use
  • A string of data indicating that the data transmission is complete

6. What characteristics do the TCP/IP and OSI models share? Select all that apply.

  • Both models define standards for networking and divide the network communication process into different layers.
  • Both models include an application and a transport layer.
  • Both models illustrate network processes and protocols for data transmission between two or more systems.
  • Both models have 7 layers.

7. What is the Transmission Control Protocol (TCP)?

  • A software application that organizes data
  • An internet communication convention
  • Guidelines for proper network operations
  • A unique address that every device on a network is assigned

8. Fill in the blank: A _____ is a software-based location that organizes the sending and receiving of data between devices on a network.

  • channel
  • segment
  • port
  • packet

Shuffle Q/A 1

9. Which layer of the TCP/IP model has protocols that organize file transfers and email services?

  • Internet layer
  • Transport layer
  • Network access layer
  • Application layer

Test your knowledge: Local and wide network communication

10. Fill in the blank: An Internet Protocol (IP) address is a unique string of characters that identifies the _____ of a device on the internet.

  • speed
  • location
  • operating system
  • size

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