What is wrong with the HTML Code? Options

[zkoneffko]

I recently applied for a job and as a pre interview they asked me to respond to about 20 questions/problems about web design. I had no issues with any of them execpt one. Below I listed the exact question and code they sent me. There was no other information provided. I just don't see the exact problem with the code. I have an idea or two but I wanted to see some other peoples opinions.

Here is the code and question exactly has they stated it:


What is wrong with this html code?

<div align="right"><a href="http://email.testsite.com/servlet/cc6?pOQSCRRDQqTVLKKpLkiHgnxPHohhQJhuVaVBVJhglHJlXpKVSYSAWBAA"><img alt="book_early_and_save" border="0" src="http://media.testsite.com/copper/email/Copper%20Wire/sidepromo-springbreak.jpg" ></a></div>