A virtual LAN (VLAN) is any broadcast domain that is partitioned and isolated in a computer network at the data link layer (OSI layer 2). wikipedia.org

The Dynamic Host Configuration Protocol (DHCP) is a network configuration protocol for hosts on Internet Protocol (IP) networks. Computers that are connected to IP networks must be configured before they can communicate with other hosts. wikipedia.org

The Domain Name System (DNS) is a hierarchical distributed naming system for computers, services, or any resource connected to the Internet or a private network. It associates various information with domain names assigned to each of the participating entities. wikipedia.org

A local area network (LAN) is a computer network that interconnects computers in a limited area such as a home, school, computer laboratory, or office building using network media. wikipedia.org

Microsoft SQL Server is a relational database management system developed by Microsoft. wikipedia.org

Wireless network refers to any type of computer network that is not connected by cables of any kind. wikipedia.org

Telecommunications engineering, or telecom engineering, is an engineering discipline that brings together electrical engineering with computer science to enhance telecommunication systems.

A wide area network (WAN) is a telecommunication network that covers a broad area (i.e., any network that links across metropolitan, regional, or national boundaries). wikipedia.org

Microsoft Servers (previously called Windows Server System) is a brand that encompasses a line of Microsoft server products. wikipedia.org

Microsoft Hyper-V is a hypervisor-based virtualization system for x86-64 systems. wikipedia.org