为什么breakclause可以mark to market问题如下图：
选项：
A. 
B. 
C. 
D. 
解释：
IV only I, II, III, anIV I, II, anIII ANSWER: Collatermanagement will lower cret exposure, so answer I. is correct. Resetting, or recouponing the swap, also will lower exposure. A breclause in five years will allow marking to market, whialso lowers exposure. In contrast, creasing the frequenof coupons will not change the exposure much. In fact, extenng the periowill increase exposure because there is a longer time to wait for the next payment, increasing the chanththe market will move in favor of one counterparty. 感觉第三个不太对吧，万一第二年就违约了怎么办呢，第五年执行就没意义了
Bank whiis Arate tras a 10-yeinterest rate sw(semiannupayments) with Bank rateA-. Because of Bank B’s poor cret rating, Bank A is concerneabout its 10-yeexposure. Whiof the following measures woulhelp mitigate Bank A’s cret exposure to Bank I. Negotiate a CSA with Bank B anefficiently manage the collatermanagement system. II. Execute the swa reset swwherein the swwill marketo market every six months. III. Execute the swwith a breclause in the fifth year. IV. crease the frequenof coupon payments from semiannuto annual. I only IV only I, II, III, anIV I, II, anIII ANSWER: Collatermanagement will lower cret exposure, so answer I. is correct. Resetting, or recouponing the swap, also will lower exposure. A breclause in five years will allow marking to market, whialso lowers exposure. In contrast, creasing the frequenof coupons will not change the exposure much. In fact, extenng the periowill increase exposure because there is a longer time to wait for the next payment, increasing the chanththe market will move in favor of one counterparty. 为什么II对？每半年mark to market为什么会减少exposure?
