For a string w, recall that wR denotes the reverse of w, i. e., the string obtained by reversing the order of the symbols of w. For a language L, define S(L)={w∈L:wR∈L}. If L is regular, is S(L) also regular? Prove your claim.

What is domain name system (dns)? allows dynamic ip address allocation so users do not have to have a preconfigured ip address to use the network converts ip addresses into domains, or identifying labels that use a variety of recognizable naming conventions the efficient coexistence of telephone, video, and data communication within a single network, offering convenience and flexibility not possible with separate infrastructures the integration of communication channels into a single service