If the cause of earache is an ear infection, there may be a watery or pus-like fluid coming out of the ear. Outer ear infections (infections of the tube connecting the outer ear and eardrum) and middle ear infections (infections of the parts of the ear behind the eardrum) are very common causes of earache.
Umbrella company contractors only have to keep personal tax records, as they are employees, not business owners. If you are an employer, you need to keep all PAYE records for 3 years (in addition to the current year). A CIS contractor must keep his CIS records for the same period of time.
CISSP is not the most technical certification but by far the most complete one in terms of security subjectsâ coverage. It took me around four hours to finish the 250 questions of the exam. CISSP is valid for three years and gaining CPEs is required to maintain and renew the certification. CEH: It is much more technical than the Security+ certification and focused on penetration testing methodology and various hacking tools.