Q1.$1.$A.$.$ Consider that the frame format consists of starting and terminating flags and payload. The escape and flag strings are given respectively by 1010$1010$ and 0101.$0101.$ What is the contents of the frame if the following string is received from the upper layer.a.101001010101101010000101010101100101100101100001010110010110010110010101011001010101100101101001011001011010$\mathrm{.}101001010101101010000101010101100101100101100001010110010110010110010101011001010101100101101001011001011010$b.101001010101101010000101010101100001100101100101010110010110010110010101011001010101100001101001011001011010$\mathrm{.}101001010101101010000101010101100001100101100101010110010110010110010101011001010101100001101001011001011010$Q1.$1.$B.$.$ At receiver side, we receive the frames in a.$.$ and b.$.$ of Q1.$1.$A.$.$ above. What is the payloada.101001010101101010000101010101100101100101100001010110010110010110010101011001010101100101101001011001011010$\mathrm{.}101001010101101010000101010101100101100101100001010110010110010110010101011001010101100101101001011001011010$b.101001010101101010000101010101100001100101100101010110010110010110010101011001010101100001101001011001011010$\mathrm{.}101001010101101010000101010101100001100101100101010110010110010110010101011001010101100001101001011001011010$