ITF Infrastructure Flashcards
7 cards from real COMPTIA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 ITF Infrastructure flashcards as text
Which type of cable uses light pulses to transmit data and is immune to electromagnetic interference?
Answer: Fiber optic cable
Fiber optic cable transmits data as light pulses through glass or plastic strands, making it immune to electromagnetic interference.
A user's laptop shows 'No Boot Device Found.' What is the most likely cause?
Answer: The hard drive has failed or is not detected
A 'No Boot Device Found' error typically indicates the hard drive has failed or the BIOS cannot detect a bootable storage device.
What does the acronym BIOS stand for?
Answer: Basic Input/Output System
BIOS stands for Basic Input/Output System, the firmware that initializes hardware during the boot process before handing control to the OS.
Which wireless standard operates exclusively on the 5 GHz band and offers speeds up to 3.5 Gbps?
Answer: 802.11ac
802.11ac (Wi-Fi 5) operates exclusively on the 5 GHz band and supports theoretical speeds up to 3.5 Gbps.
What is the primary function of a network switch?
Answer: Forward data frames between devices on the same network using MAC addresses
A network switch uses MAC addresses to forward data frames only to the intended destination device within the same local network.
Which storage interface is commonly found in modern laptops and uses a smaller connector than standard SATA?
Answer: mSATA/M.2
mSATA and M.2 are compact storage interfaces designed for laptops and small form-factor devices, using smaller connectors than standard SATA.
A computer randomly restarts under heavy load. Which component is most likely overheating?
Answer: CPU or GPU
Random restarts under heavy processing load typically indicate the CPU or GPU is overheating and triggering a thermal shutdown to prevent damage.