CompTIA A+ 1101 Network Types

Question 1

• a group of devices in the same broadcast domain
• usually contains devices in your building or in a group of buildings nearby
• high-speed connectivity, typically provided by ethernet and 802.11 wireless networks

Answer 1

LAN (Local Area Network)

Question 2

• spans the globe
• generally connects LANs across a distance
• much slower than LAN
• can be terrestrial or non-terrestrial

Answer 2

WAN (Wide Area Network)

Question 3

• larger than a LAN, smaller than a WAN
• common to see government ownership

Answer 3

MAN (Metropolitan Area Network)

Question 4

• extends local drives to a centralized form of storage
• looks and feels like a local storage device
• block-level access
• requires a lot of bandwidth

Answer 4

SAN (Storage Area Network)

Question 5

• uses 802.11 technologies
• short range
• typically used within a building or in a localized area
• can expand coverage with access points

Answer 5

WLAN (Wireless Local Area Network)

Question 6

• a group of devices in the same broadcast domain, separated logically, instead of physically

Answer 6

VLAN (Virtual Local Area Network)

Question 7

• encrypted data traversing a public network
• connected to a concentrator device
• often integrated into a firewall
• may use specialized cryptographic hardware or be software based
• may be used with client software, or built into the OS

Answer 7

VPN (Virtual Private Network)

Question 8

• on demand access from a remote location
• software connects to the VPN concentrator
• may be configured as always-on

Answer 8

Client-To-Site VPN (Virtual Private Network)