Operation of network infrastructure objects

The textbook can be used in the development of the professional module of PM.03 “Operation of network infrastructure facilities” in accordance with the requirements of the Federal State Educational Standard of the SPO in the specialty 230111 “Computer networks”.
The issues of the hardware-program organization and operation of network infrastructure facilities (axis) are set out. The schemes and methods of post - - - -the -the -way restoration of the axis’s performance, the use of backup data, the organization of work to restore the functioning of the network, localize the axis faults, and the choice of equipment used for this purpose are described. The safety of the functioning of information systems, ensuring information security (IB) is considered, its place in the national security of Russia in state information policy is shown. The methodology of the assessment and standards of IB, authentication and cryptographic protection of information processes, the protection of inter -sequences of data in operating systems are given