220-1001 無料問題集「CompTIA A+ Certification Exam: Core 1」

A network technician is troubleshooting Internet connectivity issues on a customer's wired network. All PCs at the site are able to connect to local resources but not the Internet. The technician suspects the customer's router may have failed during a recent power outage. To verify this assumption, the technician should connect a laptop to:

A user cannot connect a mobile device to the Internet via WiFi when at home, but WiFi on the mobile device works fine when the user is at the office. The user recently installed a new router at home and used the same SSID from the old router to set up the new router. Which of the following MOST likely describes the issue with the device?

A user's-screen tablet is having issues the screen orientation frequently being incorrect. Which of the following is MOST likely causing the issue?

A network administrator has discovered an amber indicator light on one of the redundant PSUs of a production server that went offline. Which of the following is the FIRST step in troubleshooting this issue?

Several computers are having network connectivity issues. Two of the computers are wired and are not having any issues. The technician verifies that none of the computers having issues have been assigned a static IP.
Which of the following should the technician check NEXT?

Which of the following wireless networking protocols operates on the 5GHz band and provides data rates in excess of 750Mbps?

A vendor connects a laptop to the projector for a presentation but notices the protector is not listed as a display in the display properties. Which of the following troubleshooting steps should be done FIRST?

A user receives the following error message when powering on a computer:
Hard drive cannot be found.
A technician restarts the computer, and it boots the OS normally. Several days later, the user reports another problem, but rebooting the computer does not resolve the issue. The technician replaces the motherboard, keeping the same CPU, battery, RAM, and hard drive. The user cannot authenticate at the login screen Which of the following would BEST explain the causes of the problem? (Select TWO)

正解:B、C 解答を投票する
Which of the following wireless standards is only capable of 5GHz frequencies?

A systems administrator is configuring a server to host several virtual machines. The administrator configures the server and is ready to begin provisioning the virtual machines.
Which of the following features should the administrator utilize to complete the task?

Which of the following connector types would MOST likely be used to charge a laptop computer?

Which of the following technologies is commonly used as a close-proximity frequency that is able to provide payments wirelessly?

Which of the following can be used to collect and read the data that is generated by event error messages from several servers centrally?

You need to configure your mobile device to send and receive electronic messages from your company.
You must use the company's WLAN as all e-mail services are on default non-secure ports.
The company's WLAN is broadcasting across the company for easier access.
Users must authenticate to the server with the same credentials in order to send and receive email.
Authentication should be enforced in the settings of the mobile device using the following parameters:
Username: [email protected]
Password: P@$$w0rd
Outgoing server: mail.techies.com
Incoming server: pop3.techies.com
Company SSID: Techies
Security Key: CA:FE:33:71:00
INSTRUCTIONS:
Update the mobile device's parameters to fit the criteria and support the strongest encryption available.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.







正解:
For the WiFi setup, do the following:
1. Enable 802.11 b/g Radio
2. Choose the Techies SSID, enter the CA:FE:33:71:00 security Key.
3. Choose the "Same as Incoming Server" option below.

For Email setup, choose the following:


A technician needs to determine why a PC reboots after a short period of use. The technician installs a hardware monitoring application as part of the troubleshooting process. Which of the following is the MOST likely cause of the issue?

Which of the following cloud computing concepts is used to describe online providers that serve multiple clients with scalable services, such as access to a large number of CPUs and memory from multiple resources?

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