10 Questions
What port should a system administrator enable to allow SMTP traffic through a host-based firewall?
25
Which protocol uses port 25 to send email messages between servers?
SMTP
What should a technician use to determine if the Wi-Fi channel in use is overcrowded in a mesh network?
A Wi-Fi analyzer
Which action can help minimize wireless reflections and absorptions in a mesh network?
Relocating large, dense, solid objects to the perimeter
What is the purpose of generating a heat map by roaming the coverage area with a mobile device in a Wi-Fi mesh network?
To identify zones with weak signals
Which action will not improve connectivity issues in a Wi-Fi mesh network?
Relocating metal objects to close proximity of access points
Why is turning off broadcasting of the SSID not a recommended action in troubleshooting connectivity issues?
It hinders devices from discovering the network
What can cause decreased bandwidth and connectivity issues in an optimized Wi-Fi mesh network?
Turning off broadcasting of the SSID
What might be a consequence of using an overcrowded Wi-Fi channel in a mesh network?
'Dead zones' with no coverage
'Relocating any large, dense, solid, and metal objects' is suggested to minimize what in a Wi-Fi mesh network?
'Wireless reflections and absorptions'
Test your knowledge on technologies that can improve a laptop's performance when working with a large database. Learn about increasing RAM, migrating to an SSD, and more. Reference: CompTIA A+ Certification Exam: Core 1 - Objective 3.1.
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