Networking Basics: LAN vs. WAN, IP/MAC Addresses, Routers, Switches, and Firewalls. IT-FUNDAMENTALS-ITF-CERTIFICATION Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   A small office has five computers connected to a single switch in the same room. Which type of network does this describe?

   • APersonal Area Network (PAN)
   • BLocal Area Network (LAN)
   • CWide Area Network (WAN)
   • DMetropolitan Area Network (MAN)
   Reveal Solution Discussion Select an answer first
2. 7foundation · easy

   How does a MAC address differ from an IP address?

   • AMAC addresses are logical and can change; IP addresses are physical and permanent.
   • BMAC addresses are assigned by the manufacturer and are tied to the hardware; IP addresses are assigned by the network and can change.
   • CMAC addresses are 32-bit numbers; IP addresses are 48-bit numbers.
   • DMAC addresses are used for routing across the internet; IP addresses are used only within a LAN.
   Reveal Solution Discussion Select an answer first
4. 8expert · hard

   A company has a web server that must be accessible from the internet, but the company also wants to protect the internal LAN from unauthorized access. The network administrator places a firewall between the internet and the internal LAN. The firewall is configured to allow inbound traffic on ports 80 and 443 to the web server, and to block all other inbound traffic. Which statement correctly describes the role of the firewall in this setup?

   • AThe firewall forwards traffic to the web server based on MAC addresses
   • BThe firewall routes traffic between the internet and the internal LAN
   • CThe firewall assigns IP addresses to devices on the internal LAN
   • DThe firewall filters traffic based on rules, allowing only specific traffic to reach the web server and blocking other inbound traffic
   Reveal Solution Discussion Select an answer first
5. 9foundation · easy

   A company connects its headquarters in New York to its branch office in London using leased lines. Which type of network does this connection represent?

   • AWide Area Network (WAN)
   • BLocal Area Network (LAN)
   • CCampus Area Network (CAN)
   • DStorage Area Network (SAN)
   Reveal Solution Discussion Select an answer first
6. 10foundation · easy

   What is the primary purpose of a firewall in a network?

   • ATo forward data within a LAN based on MAC addresses
   • BTo filter incoming and outgoing traffic based on security rules
   • CTo connect different networks together
   • DTo assign IP addresses to devices on the network
   Reveal Solution Discussion Select an answer first