Apple and China, China and Apple -- this week's quiz is dominated by the inscrutable Mandarins of Cupertino and Beijing. Also on tap: a look at Microsoft's Internet Explorer 8, worms enter the space race, Twitter gets in trouble, and Guns N' Roses flexes its muscles. Think you've got the inside skinny on all that? Prove it by scoring 100 on our quiz (10 points for each correct answer). Many try, but only a handful ever attain a perfect score. Now get to it.

1. Apple's online music store was mysteriously unavailable in China last week, though it's back now. Why did China's Net censors nix iTunes?

a. They were offended by Apple's DRM schemes

b. It was selling Songs for Tibet

c. U.S. allegations over Chinese cheating at the Olympics

d. Steve Jobs' Facebook profile is more popular than Premier Wen Jiabao's

2. Microsoft's new Internet Explorer 8 beta sports a feature that instantly erases all data related to a browsing session -- which some wags quickly dubbed "porn mode." What's the feature's real name?

a. Private-I

b. InPrivate

c. Your I's Only

d. One Hand Typist

3. Oh no, it's a Nano. Rumors and photos of a new Apple music player are swirling across the Net. Who's the unlikely source of this Nano news?

a. Wikipedia godfather Jimmy Wales

b. Twitter-crazed blogger Robert Scoble

c. Digg co-founder Kevin Rose

d. Chinese premier Wen Jiabao

4. Though the rest of the world seems gaga over the iPhone 3G, Poland remains unimpressed. Which of the following happened at the phone's recent launch?

a. No one came

b. Wireless provider Orange Poland paid actors to wait in line for it

c. The Catholic Church protested the use of the term "Jesus phone"

d. All of the above

5. You know Twitter has come of age when it gets a DMCA takedown notice from TV land. What were the Twitterati doing that ticked off the boob-tube moguls?

a. Claiming to have superpowers, a la Heroes

b. Pretending to be characters from Mad Men

c. Revealing the plot twists of Lost

d. Spreading nasty rumors about Hannah Montana

6. An iPhone customer in Britain activated his handset last week and was shocked to discover there was content already on it. What did he find?

a. Smiling photos of a Chinese factory worker

b. Nude pix of Paris Hilton

c. Nude pix of Perez Hilton

d. Steve Jobs' unlisted cell number

7. In a dawn raid on his Los Angeles-area home, FBI agents arrested Kevin Cogill for a heinous online crime. What did Cogill allegedly do?

a. Distributed child porn across the Net

b. Operated a botnet controlling thousands of zombie PCs

c. Held an entire city's data network hostage

d. Uploaded nine Guns N' Roses songs to his blog

8. Astronauts on the International Space Station have proved worms can survive in space -- at least, Internet worms. What computer malware hitched a ride on a NASA laptop?

a. Gamma.RAY

b. Gammima.AG

c. Jemmima.AUNT

d. Jiabao.WEN

9. An Apple iPhone commercial has been pulled by the British TV police. Why?

a. Apple claimed an iPhone can reach all of the Net

b. The ad featured nude photos of iPhone Girl

c. Pressure from wireless companies without iPhone deals

d. A new U.K. law banning obnoxious dancing silhouettes

10. Take the amount Immersion is paying Microsoft to settle a suit over force feedback patents (rounding up to the nearest million). Add the speed cap (in kilobits per second) that French wireless provider Orange admitted to placing on all of its 3G devices (including the iPhone). Multiply that by the prison time blogger Kevin Cogill could be facing for uploading those nine Guns N' Roses tunes. Drop that into your 8-track player and press Play. What do you get?

a. 6.3135

b. 60,000,345

c. 63,001,035

d. 2

Answer key: You don't know tech

The facts behind this week's top 10 tech questions

Now that you know how you scored, you probably want to know why. Check out the answers below for the gory details. And be sure to return next week for another news quiz, ripped straight from the tech headlines.

Question 1: What did the Chinese