Network covalent solids are a unique class of materials that can be viewed as a single giant molecule made up of an almost endless number of covalent bonds, such as the structure of diamond shown in the figure below.
CompTIA Linux+ certification is a widely recognized vendor-neutral credential. Linux+ is comprised of two exams â LX0-103 and LX0-104. The exam validates your expertise in system architecture; GNU and Unix commands; linux installation, and package management; devices, linux filesystems, filesystem hierarchy standard. This exam can prove to be your stepping stone for higher goals.
04/06/17: The 2017â2018 test dates are now available. Registration for paper-based testing and appointment scheduling for computer-based testing opens in mid-July. 03/13/17: The period of validity of some examinations for certification is changing from five years to ten years effective 4/1/17. 03/02/17: IMPORTANT ANNOUNCEMENT: Redeveloped CSET Multiple Subject Subtest II and CSET Single Subject Science Subtests in 2017!