Each software module should be constructed, tested, and verified using the verification process, and then validated using the validation process, which is described under section ____________ in the ISO 12207 standard.

Which of the following default port numbers need to be open on a firewall for a mail server to successfully send and receive mail? (Choose three.)

A. 22 B. 25 C. 53 D. 80 E. 110 F. 143 G. 161

Vector and array processors fall into the ________ category of computer systems.

A. SIMD B. SISD C. MISD D. MIMD