Networking Basics: LAN vs. WAN, IP/MAC Addresses, Routers, Switches, and Firewalls. IT-FUNDAMENTALS-ITF-CERTIFICATION Practice Questions (Page 4)

Questions 16–20

1. 16application · medium

   A company has two separate LANs in the same building, one for the sales team and one for the engineering team. The company wants to allow the sales team to access a server on the engineering LAN, but only for a specific application. Which device should be used to connect the two LANs and control which traffic is allowed between them?

   • AA switch
   • BA repeater
   • CA router with firewall capabilities
   • DA hub
   Reveal Solution Discussion Select an answer first
2. 17foundation · easy

   A firewall is configured to block all incoming traffic on port 23 (Telnet). What is this an example of?

   • AAssigning IP addresses
   • BRouting data between networks
   • CSwitching frames to specific devices
   • DFiltering traffic based on rules
   Reveal Solution Discussion Select an answer first
4. 18application · medium

   A branch office has a LAN with 20 computers and a single connection to the corporate headquarters over a WAN link. The branch office also has a local server that employees use for file sharing. The company wants to ensure that employees can access the local server quickly, but also reach the corporate network when needed. Which device should be placed at the edge of the branch LAN to manage traffic between the LAN and the WAN?

   • AA firewall
   • BA router
   • CA switch
   • DA hub
   Reveal Solution Discussion Select an answer first
5. 19foundation · easy

   In a home network, which device typically connects the local devices to the internet service provider (ISP)?

   • AHub
   • BRouter
   • CSwitch
   • DFirewall
   Reveal Solution Discussion Select an answer first
6. 20expert · hard

   A network administrator is setting up a new office with 50 computers and a server. The administrator wants to ensure that the network is secure and that data is delivered efficiently. The administrator plans to use a switch to connect the computers and the server, and a firewall to protect the network from external threats. Which statement correctly describes how the switch and firewall work together in this setup?

   • AThe switch and the firewall both filter traffic based on IP addresses
   • BThe switch routes traffic between different networks, while the firewall forwards data within the LAN
   • CThe switch forwards data between devices within the LAN using MAC addresses, while the firewall filters traffic entering or leaving the LAN
   • DThe switch filters traffic entering the LAN, while the firewall forwards data between devices within the LAN
   Reveal Solution Discussion Select an answer first