CompTIA A+ 1101 Review

What server should a company use to make sure users don't receive APIPA addresses?

• VPN server

• DNS server

• DHCP server

• RAID server

Which characteristic of a power supply is most significant to determine devices it can support?

• Wattage

• Voltage

• Surge protection

• Conditioning

Which communication technology is used with mobile pay technology at checkout?

• Bluetooth

• NFC

• Cellular

• WiFi

What is used to share one keyboard, monitor, and mouse between 3 computers?

• Bluetooth interface

• KVM switch

• MIDI interface

• Rack mount

Why would a HDD make loud clicking sounds and report an increasing number of data errors?

• Driver corruption

• SSD failure

• Unstable power

• Head crash

Which protocol uses ports 67 and 68?

• DHCP

• DNS

• SNMP

• Telnet

Which RAM form factor is most appropriate for upgrades on a laptop?

• DIMM

• SODIMM

• DRAM

• SRAM

SMTP uses which port number?

• 25

• 53

• 143

• 22

Which of the following is a valid MFA?

• PIN & Password

• 2 Smart Cards

• Smart Card & Fingerprint

• Fingerprint & Retinal Scan

What would keep you from connecting to wifi after replacing a laptop screen?

• WiFi antenna is disconnected.

• WiFi modem is incompatible with LCD panel.

• LCD panel is interfering with WiFi signal.

• WiFi modem is not powered on.