A+ Practice Quiz: 220-1002 Quiz 18

1. Which command would you use to have a workstation stop using an IP address that it obtained from a DHCP server?

• ipconfig /release
• net stop
• net logoff
• ipconfig /renew

2. Which of the following commands could be used to determine where the communication is blocked?

• ipconfig
• nslookup
• tracert
• ping

3. Which of the following terms describes the difference between white and black in an LCD monitor?

• Resolution
• Contrast ratio
• Brightness
• Aspect ratio
• Pitch

4. You are a trainer for your company and often teach courses in a classroom located on-campus or in a hotel conference room. In your office, which is separate from the classroom, you have two external monitors connected to your laptop, and you are able to display different content on each monitor.

However, when teaching, you only have your laptop and a projection unit. To make teaching easier, you want to the same content to show on both the laptop monitor and the projection screen.

Which of the following multiple display options would be BEST to select when teaching?

• Show only on 1.
• Show only on 2.
• Extend these displays.
• Duplicate these displays.

5. A user can't make an RDP connection from outside the network to a server inside the network. Which network device will a network administrator MOST likely configure to allow this connection?

• Switch
• Firewall
• Hub
• Access point

6. Which of the following is the BEST device to deploy to protect your private network from a public, untrusted network?

• Hub
• Gateway
• Firewall
• Router

7. A technician is installing a new SOHO wireless router in a home office. The customer wants to secure the wireless network so only a smartphone, tablet, and laptop can connect.

Which of the following router settings should the technician change?

• Enable MAC filtering
• Disable SSID broadcast
• Enable port forwarding
• Disable DHCP

8. You want to be able to access your home computer using Remote Desktop while traveling. You enable Remote Desktop, but you find that you cannot access your computer outside of your home network.

Which of the following is the BEST solution to your problem?

• Configure a VPN connection to your computer.
• Open the Telnet and SSH ports in your firewall.
• Open the firewall port for the Remote Desktop protocol.
• Move your home computer outside of the firewall.

9. An administrator configures the Time Machine application on Mac OS computers and develops scripts that use the tar command on Linux computers.

Which of the following best practices is the administrator following?

• Driver/firmware updates
• Patch management
• Scheduled disk maintenance
• Scheduled backups

10. What is your top priority when responding to emergencies and hazardous situations?

• Reduce risk and exposure to litigation.
• Protect your organization's data.
• Ensure the safety of people in the area.
• Prevent the release of hazardous elements into the atmosphere.