CIW - Lesson 3 Review Quiz

Using multiple systems to process large amounts of data was considered to be less expensive than using a single supercomputer to conduct the same task. This technology is typically known as:

• crowdsourcing.
• collective intelligence.
• Software as a Service.
• grid computing.

Approximately how many numeric IP addresses are possible with IPv4?

• 4 billion
• 1 billion
• 100 million
• 400 million

How does a LAN differ from a WAN?

• A LAN spans a wide geographic area, whereas a WAN spans a confined area such as an office or home.
• A LAN consists of multiple WANs, whereas a WAN consists of multiple computers.
• A LAN spans a confined geographic area, whereas a WAN consists of multiple LANs.
• A LAN uses public networks and high-speed lines, whereas a WAN is private and may use slower lines.

How many mail servers does the use of e-mail involve?

• One -- both incoming and outgoing mail are handled by one server using Post Office Protocol (POP) or Internet Message Access Protocol (IMAP).
• Two -- incoming mail is handled by one server using Post Office Protocol (POP) or Internet Message Access Protocol (IMAP), and outgoing mail is handled by another server using Simple Mail Transfer Protocol (SMTP).
• One -- both incoming and outgoing mail are handled by one server using Simple Mail Transfer Protocol (SMTP).
• Two -- incoming mail is handled by one server using Simple Mail Transfer Protocol (SMTP), and outgoing mail is handled by another server using Post Office Protocol (POP) or Internet Message Access Protocol (IMAP).

Which of the following is considered an original Internet top-level domain?

• .pro
• .net
• .info
• .biz

Which Internet resource is used to resolve IP addresses into easily recognizable text-based names?

• Root-level servers
• Domain name servers
• Usenet (User Network)
• The Domain Name System (DNS)

What is a node?

• A network computer that manages network resources and provides data
• An organized repository of data that can be queried and searched by users
• Any entity or addressable device on a network that can be managed
• A system or application on a network that requests a service from another computer

When Web users enter the URL www.CIWcertified.com in their browser address bar, they can access the official CIW Web site at the IP address 72.44.192.233. Which technology enables users to do this, instead of having to remember and enter the IP address?

• HTTP
• TCP/IP
• DNS
• HTML

Internet domain names sometimes use a country-level domain, or country code, to identify the geographical region in which the Internet organization or address is based. Which address demonstrates the proper syntax for a country-level domain?

• londontimes.co.uk
• mx.salsa.com
• britishlore.org.eng
• bonjour.fra.org

 Which protocol is used to send Web pages from a Web server to a Web browser?

• File Transfer Protocol (FTP)

• Hypertext Transfer Protocol (HTTP)
• Internet Message Access Protocol (IMAP)
• Network News Transfer Protocol (NNTP)