Question i wo A network can have several different types of physical topology, name two of them discussing their topology, advantages and disadvantages (on your own words). Type Topology Advantages Disadvantages Question Three Decomposing periodic analog signal into two sine waves having a phase shift equivalent to 1/8 and 1/8 cycle with respect to time 0. These sine waves have 8 and 12 cycles for a duration of one second Both have a maximum amplitude of 15 volts What are the phases in degrees and radians and represent both signals in time and frequency domains plot? Composite analog signal Question Four What is the transmission impairment? List the common causes of impairment and explain each