CompTIA A+ Core 2 Question F-38

A user has a work laptop configured with a static IP. The user wants to be able to take the laptop home and connect it to their router which uses DHCP. However, the user does not want to manually change their settings every day. Which of the following is the BEST step the user could take to make this possible?

A. Setup a VPN on the laptop to store the work IP settings.
B. Use the Ethernet port at work and only use Wi-Fi while at home.
C. Install an additional NIC in the laptop to access the home network.
D. Place the static IP in the alternative field while using DHCP.

Correct Answer: D

CompTIA A+ Core 2 Question F-23

A technician recently setup a new wired network and wants to ensure only their computers can use it. Which of the following is the MOST secure way to accomplish this?

A. Make sure the computers are using strong passwords.
B. Enable an intrusion detection system.
C. Assign the computers static IP addresses.
D. Disable the extra ports on the router.

CompTIA A+ Core 2 Question E-60

When securing a small office home office (SOHO) that has empty cubicles with unused network ports, which of the following can be used to secure ONLY the unused ports?

A. Use DHCP addressing on the network.
B. Disable the ports on the router or switch.
C. Power down the router when it is not being used.
D. Disable DNS on the network.

Correct Answer: B

Explanation:
To secure unused ports, just disable them on the router or the switch.

CompTIA A+ Core 2 Question E-57

A user gets a warning from their ISP about illegally downloading copyrighted movies. The user insists that they did not download any movies and calls a technician to implement stronger small office home office (SOHO) security. Which of the following will allow only known workstations to connect to the SOHO router?

A. WPA password
B. Static IPs
C. MAC filtering
D. WEP password

CompTIA A+ Core 2 Question E-22

A residential customer just purchased a new wireless router. During the setup, which of the following should be done to increase the default security of the router?

A. Change the default SSID
B. Change the default password
C. Turn off DHCP services
D. Change the default wireless channel

Correct Answer: B

CompTIA A+ Core 2 Question D-63

A technician is installing a new wired router and needs to disable all the ports currently not in use. The documentation for router mentions the web interface for the router is available by default at 192.168.1.1. In which of the following ways would the technician go about doing this?

A. Place labels on top of all the ports that are not to be used.
B. Manually set the IP address to 10.168.1.1, and then access the website at 192.168.1.1.
C. Use an Internet browser to access the router configuration at 192.168.1.1.
D. Use Windows Explorer and search for a file called 192.168.1.1.

CompTIA A+ Core 2 Question D-37

A user calls the help desk to report about their smartphone not being able to make any phone calls. The user admits that the smartphone can still send/receive email, browse all websites, and utilize all Internet-capable applications. Which of the following issues is MOST likely affecting the smartphone?

A. Wi-Fi is turned off; the cellular antenna is turned on.
B. The cellular antenna is turned off; Wi-Fi is still on.
C. The user forgot to turn off Bluetooth before trying to make a call.
D. The user has 4G capability turned off, and is only on 2G.

Correct Answer: B

Explanation:
Cellular antenna catches and transmits cellular signals and data. Wi-fi is another technology that is used to access internet using a wireless router. So if the cellular antenna is turned off, you can still use Wi-Fi to browse internet and use host of applications.

CompTIA A+ Core 2 Question D-24

A technician is installing and configuring a SOHO wireless network for a client. The client only wants five authorized computers to connect to the network with a defined IP range. Which of the following should the technician configure on the router? (Select TWO).

A. DMZ
B. DHCP
C. ARP
D. SSID
E. MAC filtering

CompTIA A+ Core 2 Question D-14

A user has installed a new wireless router and is unable to connect their game console to the manufacturers service. Which of the following should the technician look for FIRST?

A. Ensure the game system has a static IP address.
B. Contact the manufacturer to see if service is available.
C. Ensure the game system has updated firmware.
D. Ensure the correct ports are open.

Correct Answer: D

Explanation:
When you connect a game console to the wireless router, you need to see which ports the console uses to connect to Internet. Open those ports and then connect again. This process solves 80% of game console connectivity problems.