Technology MCQs

272. What does ICMP stand for?

A. Internet Connection Modem Protocol
B. Intranet Control Message Program
C. Internal Conflict Management Program
D. Internet Control Message Protocol
✅ The correct answer is option D.
ICMP Packets are used to send control messages including errors.

273. What is FMD?

A. FastEthernet Measuring Device
B. Flashing Media Diode
C. Fluorescent Multi-Layer Disc
D. Flash Media Driver
✅ The correct answer is option C.
A new type of disc developed by Constellation 3D Inc. These discs can hold up to to 140 GB of data.

274. A dual-layer DVD is valued because it:

A. Can hold more data
B. Contains a backup of the data stored
C. Uses a second layer to offer a speed increase
D. Creates alternative sound tracks
✅ The correct answer is option A.

276. In the UK, what type of installation requires a fireman’s switch?

A. Neon Lighting
B. High Pressure Sodium Lighting
C. Water Features
D. Hotel Rooms
✅ The correct answer is option A.
Neon lighting runs at a high voltage, typically above 1000 Volts. A fireman’s switch protects a fireman from receiving a shock when a water jet is sprayed onto the installation. The switches are red, and mounted in a conspicuous position. (This is specified by IEE Regulations (Europe), SANS (South Africa), UK Electricity regulations and many Asian countries. I am unable to confirm other countries’ requirements, so feel free to let me know.)

280. What does AC and DC stand for in the electrical field?

A. Alternating Current and Direct Current
B. A Rock Band from Australia
C. Average Current and Discharged Capacitor
D. Atlantic City and District of Columbia
✅ The correct answer is option A.
Electricity is voltage and current. Voltage is electrical pressure, and current is the flow of charged particles. The difference between alternating current (AC) and direct current (DC) is that the electrons in an AC circuit regularly reverse their direction. In a DC circuit electrons always flow in the same direction.