PassComptia A+ 21-30

AB

A client has three locations within city limits that need to be networked. Vendor network requirements for all three locations are a minimum of 1GB. Which of the following are the types of networks that will MOST likely be used for internal office and office-to-office networking? (Choose two.) A. MAN B. LAN C. WAN D. PAN E. SAN F. WLAN

AC

A technician is setting up a WiFi-enabled thermostat for a customer, but the customer is concerned about IoT devices getting hacked. Which of the following BEST address the customer's concerns? (Choose two.) A. Use the latest encryption standard on the wireless network and set a strong password. B. Enable two-factor authentication for the IoT device's cloud account, if it is available. C. Separate the IoT thermostat by segregating it in a DMZ network. D. Disable wireless access on the thermostat to make it unshakable. E. Upgrade the customer's router to the latest version to improve network security. F. Upgrade the customer's wireless network encryption to WPA.

D

A workstation was just moved to a new work location without a surge protector. It was working the day before, but now the PC will not power on, the fans will not spin, and there are no signs of activity. Which of the following should the technician do FIRST? A. Check the voltage switch B. Check the voltage of the PSU with a tester C. Test for distended capacitors D. Check the power cable connection

A

An employee's mobile device no longer charges, and the employee believes the battery is bad. A technician tests the mobile device and finds it will charge on a wireless charging pad but not when it is connected to a charging cable. Other devices charge without issue when the cable is used. Which of the following should the technician perform FIRST to resolve the issue? A. Clean out the charging port on the device B. Replace the mobile device's battery C. Issue a new charging cable to the employee D. Send the device for service and give the employee a loaner

B

Ann, a user, reports that after setting up a new WAP in her kitchen she is experiencing intermittent connectivity issues. Which of the following should a technician check FIRST? A. Frequency B. Channels C. Antenna power level D. SSID

A

Joe, a user, sets up an IMAP connection on his smartphone to connect to webmail. Joe is able to view email, but he receives an error message when trying to send a message. When viewing the mail client's configuration, Joe sees a valid SMTP server and port. Which of the following should Joe check NEXT to resolve the issue? A. Configure the email account as a POP3 connection B. Ensure the SSL/TLS option is being used C. Check that the account password is still valid D. Make sure the smartphone is not in airplane mode

A

The ability for new computers to be automatically connected to the network is provided by the: A. DHCP server B. DNS server C. proxy server D. TACACS server

C

Which of the following channels would commonly be used on an 802.11 wireless network? A. 802 B. 17 C. 6 D. 8080

B

Which of the following is the MOST likely cause for a network PC to have an APIPA address? A. DNS resolution B. DHCP failure C. Duplicate IP address D. Cleared ARP cache

A

Which of the following wireless standards is only capable of 5GHz frequencies? A. 802.11a B. 802.11ac C. 802.11b D. 802.11g