1.1 Identify Common Network Devices, Components, and Functions 800-150 Practice Questions (Page 5)

Questions 21–25

1. 21expert · hard

   A field technician is setting up a temporary wireless network at a disaster recovery site. The site has no wired network infrastructure. The technician needs to connect 5 laptops so they can share files, but there is no access point available. Which wireless mode should the technician use, and what is a key limitation of this mode?

   • AInfrastructure mode; clients can communicate directly without an AP
   • BAd-hoc mode; clients must connect to a wired network first
   • CAd-hoc mode; all clients must be within range of each other
   • DInfrastructure mode; all clients must connect to a central AP
   Reveal Solution Discussion Select an answer first
2. 22foundation · easy

   In a lightweight WLAN, what is the purpose of the CAPWAP control channel?

   • ATo exchange management messages such as configuration and keepalives between the AP and controller
   • BTo carry user data traffic between the AP and the controller
   • CTo provide routing updates between the AP and the wired network
   • DTo encrypt all wireless client traffic end-to-end
   Reveal Solution Discussion Select an answer first
4. 23application · medium

   A company has two separate buildings, Building A and Building B, located 500 meters apart. Each building has its own set of computers and printers that need to communicate with each other. The company wants to connect the two buildings. What is the most accurate description of the resulting network?

   • AA MAN (Metropolitan Area Network)
   • BTwo separate LANs connected by a WAN link
   • CA single WAN with no LAN components
   • DA single LAN spanning both buildings
   Reveal Solution Discussion Select an answer first
5. 24foundation · easy

   What is a common use case for infrastructure mode in a wireless LAN?

   • AExtending the range of a wired network using a point-to-point bridge
   • BConnecting two laptops directly for a quick file transfer
   • CProviding wireless access to multiple clients in an office through a central access point
   • DCreating a temporary network for a gaming session between two consoles
   Reveal Solution Discussion Select an answer first
6. 25expert · hard

   A network engineer is troubleshooting a wireless network with lightweight APs and a WLC. The APs are unable to join the controller. The engineer checks the network and finds that the APs can reach the controller's IP address, but the CAPWAP control channel is not established. Which of the following is the most likely cause?

   • AThe WLC is configured for autonomous AP mode
   • BTCP port 443 is blocked by a firewall
   • CUDP port 5246 is blocked by a firewall
   • DThe APs are configured with the wrong SSID
   Reveal Solution Discussion Select an answer first