CompTIA A+ Recertification Exam for Continuing Education 認定 RC0-903 試験問題:

1. A customer reports very slow wireless connection speeds in the new office. Which of the following tools should a technician use to troubleshoot the issue?

A) Loopback plug
B) Signal booster
C) Packet sniffer
D) WiFi analyzer

2. A technician has purchased a new surge protector to protect equipment in the production environment. The surge protector's features safeguard the connected equipment by directing surges to the:

A) path of lowest inductance.
B) path of highest voltage.
C) path of least resistance.
D) path of shortest conductance.

3. Which of the following would need to be enabled on a mobile phone to share its Internet connection with multiple devices simultaneously?

A) Tethering
B) NFC
C) Bluetooth
D) Hotspot

4. A network technician has been tasked with deploying new VoIP phones on a network.
When the technician plugs the Ethernet cable for the phone into the wall port, the phone fails to turn on. When the technician plugs the Ethernet cable directly into the computer, the computer is able to access the network. Which of the following is the MOST likely cause of this issue?

A) The technician is connecting the phone to the wrong type of port
B) The network switch does not support PoE
C) The firewall on the network is blocking access to the DHCP server
D) The Ethernet cable is the wrong type

5. A technician is working a trouble ticket for a user. After addressing the issue, the technician asks the user to verify functionality. The user confirms the system is functioning, but the computer's speakers now emit an irritating noise. The technician states this is a byproduct of the solution, and the user will eventually get used to the noise. Which of the following professionalism principles is the technician failing to address?

A) Avoiding dismissal of the customer's problems
B) Maintaining a positive attitude
C) Avoiding an argument with the customer
D) Avoiding being judgmental

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