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Topic 1: Exam Pool A
A technician is receiving reports that the entire office sporadically loses network connectivity throughout the day. The technician determines the root cause to be EMI. Which of the cable mediums would be the MOST cost effective without sacrificing system performance?
A. Coaxial
B. Shielded Cat 6
C. Plenum Cat 5e
D. Multimode fiber
Explanation: Electromagnetic interference (EMI) is unwanted noise or interference in an electrical path or circuit caused by an outside source. Hence shielded Cat 6 is better If a technician determines that the root cause of sporadic network connectivity issues is EMI, the most cost-effective cable medium that can be used without sacrificing system performance is shielded Cat 6 cable. Shielded cables protect against electromagnetic interference (EMI) and radio frequency interference (RFI). References: CompTIA A+ Certification All-in-One Exam Guide, Tenth Edition by Mike Meyers (Page 548)
A small ISP has hired a new technician Joe, the new technician, is being trained to
configure customers* home networks The trailing instructor gives me technician a starter kit
with cables, cable ends, and other network equipment and asks mm to build a working
network.
The computer should be connected to have internet connectivity and the phone should be
connected to have a dial tone.
INSTRUCTIONS
Use the appropriate cables. cable ends, tools and equipment to configure the network ana
connect an components accordingly.
There are 3 steps and the simulation starts on step 1.
A technician just finished building a new PC and needs to install a firmware update for the system board UEFI. The technician is experiencing issues while accessing the USB key. Which of the following features should the technician most likely disable in order to complete this task?
A. TPM security
B. USB 3.0 support
C. PXE boot capability
D. Secure Boot
Explanation: When experiencing issues accessing a USB key for a firmware update, particularly in relation to system board UEFI updates, the Secure Boot feature should be considered. Secure Boot is a security standard designed to ensure that a computer boots using only software that is trusted by the PC manufacturer. If Secure Boot is enabled, it might prevent the system from recognizing or booting from the USB key if the firmware update or the USB drive is not recognized as a trusted source. Disabling Secure Boot temporarily can allow the firmware update to proceed.
Which of the following BEST describes the main function of a web server?
A. Storing files and controlling user access
B. Setting up personal mailboxes and calendars
C. Providing IP addresses and printing services
D. Hosting home pages and business portals
Explanation: A web server is a software application that serves HTTP (Hypertext Transfer Protocol) requests by delivering web pages and other files to users' web browsers. The main function of a web server is to host home pages and business portals, making them accessible to users via the internet. References: CompTIA A+ Certification Exam Objectives 220-1001 - Networking - 1.6
A user wants to confirm that all necessary hardware is functional for a webinar. Which of the following should the user test and configure in the webinar application prior to joining? (Select three).
A. Keyboard
B. Digital pen
C. Speakers
D. Mouse
E. Camera
F. Docking station
G. Microphone
H. Monitor
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