CompTIA Server+ Certification Guide : a Comprehensive, End-To-end Study Guide for the SK0-004 Certification, along with Mock Exams.

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Cover; Title Page; Copyright and Credits; About Packt; Contributors; Table of Contents; Preface; Section 1: System Architecture; Chapter 1: Server Hardware; Server roles; Application servers; Database servers; Directory servers; File servers; Mail servers; Messaging servers; Network services servers; Print servers; Proxy server; Routing and Remote Access Service (RRAS); Virtual server; Form factors; Tower servers; Rack mounts; Blade technology; Server power systems; Electrical power; AC versus DC / 110V versus 230V; Wye and delta; Negative 48V; One phase versus three phases; PSU; Wattage

The 80-plus certificationSelecting the right PSU; Redundancy; System heat; Cooling systems; Air cooling and air flow; Summary; Questions; Chapter 2: Server Internals; CPUs; Multiprocessors; Symmetrical Multiprocessing (SMP) versus Asymmetrical Multiprocessing (ASMP); SIMD, MISD, and MIMD; Multiple core processing; CPU packages and sockets; Cache memory; CPU cache memory; CPU cache memory levels; Write-back/write-through cache; Advanced RISC Machine (ARM) servers; CPU multiplier; CPU stepping; Main memory; RAM; Double Data Rate (DDR) RAM; RAM packaging; Memory timing

Error-correction code (ECC) versus non-ECCDual channel memory; Color-coded RAM slots; Buses, channels, and expansion slots; Bus width; Peripheral Component Interconnect (PCI) bus; PCI size and fit standards; PCI conventional; PCI-e; Expansion cards; Network interface controller (NIC); Host Bus Adapter (HBA); Redundant Array of Independent Disks (RAID) controller; Riser cards; USB interface and port; Configuration; BIOS; UEFI; Summary; Questions; Chapter 3: Data Storage; Data storage devices and their specifications; Hard drive specifications; Form factors; Small form factor (SFF)

Large form factor (LFF)HDD specification and configuration; Disk capacity -- decimal versus binary; Hard disk drive (HDD) versus solid-state drive (SSD); SSD specification and configuration; Hard disk interfaces; Data storage systems; Direct-attached storage (DAS); Network-attached storage (NAS); Storage area network (SAN); SAN fabric; SAN communications; Logical Unit Number (LUN) zoning and masking; Filesystem; Operating systems and filesystems; File sharing; RAID; Striping and mirroring; RAID levels; RAID implementation; Disk quotas; Disk compression; High availability (HA); The nines

Fault toleranceReplacing failed components; Disk storage capacity planning; Other storage devices; Magnetic tape; Optical storage; Summary; Questions; Chapter 4: Server Operating Systems; The network server; Server functions; Network server operating systems; Operating system (OS) functions; User/computer communications; Memory management; Dynamic loading and linking; Memory allocation; Control and coordination of hardware; The use of system resources; Internal and network file management; User, data, application, and resource security; Hardware configuration; The primary parts of an OS

The OS and hardware

This book is intended as a study guide for anyone preparing for the (SK0-004) exam. Each chapter covers one or more of the exam objectives as standalone read. In addition, its content is such that the book will also serve as a valuable reference for entry-level network technicians and those looking for a refresher.

Includes bibliographical references.

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