CompTIA 220-1101 - CompTIA A+ Certification Exam: Core 1
An online retailer wants to save money and is considering migrating to the public cloud so peak is over. Which of the following BEST describes this aspect of cloud computing?
Which of the following technologies can allow multiple networks to traverse a switch?
While implementing a non-carrier-grade wireless backhaul, a technician notices the current channel selection is extremely polluted with various RF signals. Upon performing a spectral analysis, the technician discovers a channel containing almost no RF pollution. Unfortunately, the technician is unable to select that channel. Which of the following is the MOST likely reason for this issue?
Which of the following describes the operational difference between hubs and switches when transmitting data to a specific computer inside the network?
A technician receives several error alerts on a server after an unexpected reboot. A message states that one or more disks are in a degraded state. When the technician advances to the next error message, it indicates the OS is missing. Which of the following are the MOST likely causes of these errors? (Choose two.)
A technician is commissioning a workstation that is required to have mirrored storage, utilizing two 4TB drives that support one failure. Which of the following BEST meets these requirements?
Which of the following DNS records would an administrator change to redirect email flow?
A user regularly travels to multiple sites to take pictures with a mobile device and transfers those pictures to a computer via a removable SD card. Recently, the SD card was damaged and
had to be replaced. Now, the user is unable to save pictures to the new SD card. Which of the following should the user verify first so pictures can be saved to the SD card?
Which of the following best characterizes the use of a virtual machine as a sandbox?
Which of the following is used primarily for archiving data?
While reviewing options in the BIOS/UEFI settings page to fix a laptop issue, a support technician notices an option to clear existing TPM keys. Which of the following would most likely happen if the TPM is cleared?
A technician is working on a RAID 1 array that is apparently degraded. The technician verifies the RAM and power are both operating as expected. Which of the following can the technician do to further isolate the issue?
A user is unable to hear sound from a laptop. However, the user can hear sound when connected to a Bluetooth headset. Which of the following actions would most likely resolve the issue?
Which of the following scenarios best illustrate a need for VDI? (Select two).
A technician receives a PC that frequently shuts down and has extremely loud fans. When the technician begins a stress test, the PC shuts down almost immediately. Which of the following should the technician do next?
A technician is troubleshooting issues occurring on a user's mobile device. Applications and the OS have slow response times, even when performing simple tasks, such as writing an email. Additionally, new applications occasionally fail to launch. Which of the following should the technician do next?
A technician is upgrading memory on a laptop that is experiencing performance issues. Which of the following RAM types should most likely be specified for installation?
Which of the following involves installing an application on a server so several users can run the application concurrently without the need for local installation?
Which of the following is an email authentication method designed to detect email spoofing by attaching a digital signature to outgoing email?
A customer reports that the output from their thermal receipt printer has vertical white lines. Which of the following would most likely resolve this issue?