(A) Each requires the insured to pay for losses equal to the self-insured retention or
the deductible.
(B) Each provides liability coverage in excess of the underlying policy limits.
(C) Umbrella liability insurance provides coverage for gaps in the underlying policies but the excess liability insurance does not.
(D) Both umbrella and excess liability insurers must assume the defense of a claim if the underlying insurer cannot due to its insolvency.
(E) Loss frequency rather than loss severity is the primary concern in underwriting
umbrella and excess liability insurance.