Despite the Indomitable Lionesses' dominance, the Super Falcons were rock solid at the rear with captain Onome Ebi holding sway coupled with goalkeeper Tochukwu Oluehi's bravery.
The Swede is delighted with their qualification and he is upbeat about their chances of defeating South Africa in the final.
"We said when we came here, that we had two targets, the first one was to qualify for the World Cup, we did that today [on Friday], I'm impressed," Dennerby told media.
"When it comes to the final we will do whatever it takes to bring the Cup back to Nigeria. We know when we came that Cameroon is a good team, honestly, I was not happy in the first 10 to 15 minutes, my players were anxious, we lost the ball too much and definitely in the midfield, we had to defend a lot.
"Looking at the game, we were compact, we defended well in depth and width. I think that was key in our win. It's a good stand to know it's difficult to score against us, definitely, we need to improve on the attack, quick passing and more options up front.
"We have a very good chance to beat South Africa, now it's time to rest two days, the extra day before the final. It's really a tough game today [Tuesday], as you can see alot of players are tired, we have three to four of them who had cramps, it's time for recovery and I will say we have a good chance to win in the final."