For any given 802.11n wireless Internet signal, which of the following is needed to establish a connection?
A. MAC address filtering
B. Windows password
C. Proper SSID
D. SSL certificate
CompTIA A+ Core 2 Question D-100
A user needs to find the MAC address for a Windows computer. Which of the following is the correct command?
A. ipconfig
B. ifconfig
C. ipconfig /all
D. ifconfig -a
CompTIA A+ Core 2 Question D-99
Which of the following can a technician implement to ensure that only company owned mobile devices can connect to the wireless network?
A. Deploy a script to auto-configure employees mobile devices wireless settings.
B. Configure MAC address filtering on the access points.
C. Implement a wireless policy and train all users.
D. Enable WPA2-Personal with a strong password.
CompTIA A+ Core 2 Question D-93
Which of the following should a technician implement to prevent external contractors from physically plugging devices into the company’s network jacks unless such jacks are designated for guest use?
A. Disable DHCP and assign a static IP address to each network device physically connected to the network.
B. Enable MAC address filtering across all network jacks and record the MAC address of guest devices.
C. Disable all switch ports when they are not utilized and enable them on an as needed basis.
D. Place guest network jacks in public areas and all other jacks in secure areas as needed.
CompTIA A+ Core 2 Question D-48
A client reports that their VoIP phone screen displays duplicate IP address. Which of the following is the FIRST action to try to resolve this problem?
A. Change MAC address settings
B. Call the vendor
C. Try another LAN connection
D. Reboot the phone
CompTIA A+ Core 2 Question C-69
A user can send e-mail, but cannot receive any e-mail. Which of the following settings should be verified in the e-mail account?
A. MAC address
B. TCP/IP address
C. POP Server settings
D. SMTP Server settings
CompTIA A+ Core 2 Question C-62
The technician is dispatched to a users home to secure a wireless network. The SOHO user has only one system to connect wirelessly, yet wishes to protect their Wi-Fi from unauthorized use. Which of the following will BEST meet the users requirements?
A. Configure the router to allow access by MAC address.
B. Configure the use of DHCP.
C. Configure the use of static IP addresses.
D. Configure the network to utilize a proxy.
CompTIA A+ Core 2 Question C-51
In Windows XP, which command can be used to view both the IP address and the NIC (network interface card) MAC address?
A. IPCONFIG /A
B. IPCONFIG /ALL
C. IPCONFIG
D. WINIPCFG
CompTIA A+ Core 2 Question B-45
A technician wants to ensure that only authorized administrators can make configuration changes to the company’s wireless router. Which of the following MUST the technician change to prevent unauthorized users from modifying the access point configuration?
A. MAC address filters
B. Manufacturer password
C. Default SSID
D. Configure encryption
CompTIA A+ Question J-46
Which of the following BEST describes the function of DHCP?
A. Blocks MAC address with security violations
B. Translates IP addresses to names
C. Encrypts data traffic on a network
D. Assigns IP addresses on a network