Network and Internet

What is the function of a backbone network?

• Stores data on individual computers

• Provides internet access to individual computers

• Creates a backup of local networks

• Connects multiple local networks into a single wide-area network

What type of transmission lines does a backbone network typically use?

• Coaxial cables

• Wireless connections

• Copper wires

• Fiber-optic cables

An organization that provides services for accessing, using, or participating in the Internet.  They may be organized in various forms, such as commercial, community-owned, non-profit or otherwise privately owned.

• Service Lines
• Digital Subscriber Providers
• Client Server Providers
• Internet Service Providers

A network protocol is a set of what?

• Binary Numbers

• MAC addresses

• rules and conventions

• packets

In which switching method can packets be routed around  congestion?

• Packet switching
• Circuit switching
• Public switched networks
• frame switching 

Which switching method offers a a dedicated transmission channel? 

• Packet switching
• Circuit switching 
• Virtual-circuit packet switching:
• Datagram packet switching:

3. Governs how files such as text, graphics, sound, and video are exchanged on the WWW.

• IMAP

• HTTPs

• Telnet

• HTTP

4. Allows multiple simultaneous connections to remote file systems.

• IMAP

• FTP

• Telnet

• SMTP

6. A protocol that is being used to send email to a remote email server

• IMAP

• Appletalk

• SMTP

• POP3

HTTP is more secure than HTTPS.

• True
• False