Computer Networks Quick Quiz Solutions
Section A: Network Basics Quick Quiz
Q1. The Internet spans the globe and is classified as a(n) wide area network.
Q2. Wireless networks in homes use 2.4 GHz and 5.8 GHz channels because they are unlicensed frequencies available for public use.
Q3. The chance of a security breach within a network configured in a mesh topology rises as the number of devices and connection increases.
Q4. A router is a DCE that controls the flow of data within a network and acts as a gateway from one network to another.
Q5. Communication protocols set standards for physical channels, transporting data, and correcting errors.
Section B: The Internet Quick Quiz
Q1. The Internet backbone is a system of high-capacity routers and fiber-optic communications links.
Q2. The Internet uses packet switching technology to route data from many different messages over a single communication channel.
Q3. TCP and UDP are two of the main protocols used to transport data over the Internet.
Q4. The Internet’s supply of IPv4 addresses ran out in 2011.
Q5. Private IP addresses are not routable over the Internet.
Section C: Internet Access Quick Quiz
Q1. A specification such as 10 Mbps that we commonly refer to as “connection speed” is technically a measurement of capacity.
Q2. An Internet connection can be fast and have an acceptable ping rate but still have poor quality due to excessive jitter and packet loss.
Q3. A utility called traceroute reports the path of packets over the Internet.
Q4. The problem with satellite Internet service is excessive latency.
Q5. The current rollout of mobile 4g service uses LTE technology.
Section D: Local Area Networks Quick Quiz
Q1. The key device at the center of a LAN is a(n) router.
Q2. In addition to an IP address, devices on a LAN have a physical MAC address that uniquely identifies them.
Q3. The dominant standard for wired LANS is Ethernet.
Q4. Technologies such as WEP, WPA, and PSK are examples of encryption that can be used on wireless networks.
Q5. Zigbee, Z-Wave, and RFID are low-power wireless technologies that transport data on Iot networks.
Section E: File Sharing Quick Quiz
Q1. When network discovery is on, your computer can see other devices that are connected to a LAN.
Q2. Read and write permission allows a shared file to be opened, viewed, modified, and deleted.
Q3. File sharing has to be turned on before any files on your computer can be accessed by other devices on a network.
Q4. FTP client software, such as FileZilla, provides a way to upload and download files from an Internet-based server to a computer on a LAN.
Q5. Torrents exchange segments of files over a distributed network using a logical mesh topology.