In an attack known as valid protocol packets exploit poorly configured dns servers to inject false information to corrupt the servers' answers to routine dns queries from other systems on that network. a. denial-of-service (dos) b. port mirroring c. dns cache poisoning d. evasion

Two students are discussing electricity that has a frequency of 60 hz. student a says that this type of electricity is referred to as ac. student b says that in this type of electricity, the electrons flow in only one direction. which of the following statements is correct? a. only student a is correct b. only student b is correct c. both of the two students are correct d. neither of the two students is correct