A cable must run beside heavy electrical machines. Which medium resists electrical interference best?
ATelephone wire
BTwisted pair
CCoaxial cable
DOptical fiber
Answer & Solution
Correct answer: D. Optical fiber
Optical fibers carry light, so they are immune to electrical interference.
Keep practising Networking and cyber safety
Browse all Networking and cyber safety questions for Olympiad (Class 6), or explore more Computer Science topics.
Related questions
Internet safety is also known by which of these names?Browser warnings for phishing sites can miss a brand new fake site because blocklists are:Using email and messages again and again to harass one person online is:Sharing a person's home address and phone number online without consent is:Posting hurtful messages on social media to scare or overpower a classmate is:Which of these is a type of malware?A free game from an unofficial website slows your PC and leaks passwords. Likely cause?Spyware is malicious software that mainly: