Mobile Devices
This wireless technology is commonly used to connect a smartphone to headphones, speakers, keyboards, and other nearby peripherals.
What is Bluetooth?
The length of an IPV6 address.
What is 128 bits?
This common Ethernet connector is used with twisted-pair network cabling.
What is RJ45?
This type of hypervisor runs directly on physical computer hardware rather than on top of a traditional host operating system.
What is a Type 1 (bare metal) hypervisor?
A desktop continually loses the correct date and time whenever it is unplugged. This motherboard component is the MOST likely cause?
What is the CMOS battery?
A technician needs to replace memory in a laptop. This smaller RAM form factor is commonly used instead of the full-size equivalents found in desktops.
What is SODIMM?
A technician uses this tool to determine which Wi-Fi channels are heavily used by nearby wireless networks.
What is a Wi-Fi analyzer?
A company wants a disk configuration that combines striping and mirroring. Which RAID level should the technician recommend?
What is RAID 10?
A company uses an online application entirely through a web browser. The provider manages the application, platform, and underlying infrastructure. Which cloud service model is this?
What is SaaS?
A mechanical hard drive begins making repeated clicking noises and the system has difficulty accessing files. This component is MOST likely failing?
What is the hard drive?
A user wants to provide internet access from a smartphone to a laptop while away from Wi-Fi. This mobile connectivity feature should be enabled.
What is tethering/mobile hotspot?
A type of internet that uses the plain-old-telephone system and has faster download speeds compared to upload speeds
What is ADSL?
A technician installs a new high-performance graphics card. The computer begins shutting down during gaming, but temperatures remain normal. The existing PSU is below the graphics card manufacturer's recommended power requirement. What should the technician do NEXT?
What is install a higher-wattage power supply?
When a company keeps sensitive workloads in its own private cloud but uses a public cloud when additional resources are needed.
What is hybrid cloud?
A projector powers on, but no computer image appears. Before replacing hardware, the tech should check this simple setting.
What is input source?
An employee receives a company-owned phone. IT needs to automatically configure settings, install corporate applications, and enforce company policies remotely. This technology BEST meets these requirements?
What is Mobile Device Management (MDM)?
This DNS record type allows twitch.com and twitch.tv to resolve to the same website despite being different domain names
What is a CNAME record?
A technician installs a replacement CPU and heat sink. The computer boots but quickly becomes extremely hot and shuts down. The CPU fan is spinning normally. The technician should check this FIRST?
What is the thermal paste and heat sink installation?
When developers want to deploy applications without managing the underlying operating systems, servers, or hardware, they use this cloud service model. They still need control over their application code.
What is PaaS?
CompTIA thinks this is the best solution to poor VoIP call quality.
What is QoS?
This cellular networking technology is also known as "LTE"
What is 4G?
A company wants employees and guests to use the same physical switches and access points, but guest devices must be logically separated from the corporate network. The tech should configure this.
What is a VLAN?
This storage interface uses PCI Express and is commonly associated with high-performance M.2 solid-state drives.
What is NVMe (Non-Volatile Memory Express)?
An online retailer normally uses a modest amount of cloud computing capacity. During a major sale, its cloud environment automatically increases available resources and later reduces them when demand falls.
What is rapid elasticity?
A newly configured workstation receives the address 169.254.84.12 and cannot access network resources. Other computers on the network are working normally. The technician should investigate this protocol FIRST?
What is DHCP?