MSIS 2103 REVIEW EXAMS ALL QUESTIONS AND
ANSWERS SET A+
✔✔SaaS - ✔✔Apps hosted by provider; accessed online.
✔✔Open-source software - ✔✔Free, source code available, GPL license.
✔✔Computer Network - ✔✔Connected devices sharing data/resources.
✔✔Communications Media - ✔✔Substance carrying signals.
✔✔Protocol - ✔✔Rules for data exchange.
✔✔Topology - ✔✔Arrangement of network devices.
✔✔Star - ✔✔All devices via central hub.
✔✔Bus - ✔✔Devices share common backbone.
✔✔Ring - ✔✔Each connects to two others.
✔✔Mesh - ✔✔Multiple access points link devices.
✔✔PAN - ✔✔Personal (nearby devices).
✔✔LAN - ✔✔Local area (home/office).
✔✔WAN - ✔✔Wide area (large regions).
✔✔Bandwidth - ✔✔Channel capacity (Mbps/Gbps).
, ✔✔Latency - ✔✔Delay time (ms). Low = good.
✔✔Twisted-pair wire - ✔✔Cheap, limited speed.
✔✔Coaxial - ✔✔Faster, more expensive.
✔✔Fiber-optic - ✔✔High speed, costly.
✔✔Wireless - ✔✔Data transfer w/o wire.
✔✔Near-Field Communication - ✔✔Short-range wireless (inches).
✔✔Bluetooth - ✔✔10-30 ft, ~2 Mbps.
✔✔Wi-Fi - ✔✔Wireless via access points (hotspot).
✔✔RFID - ✔✔Tag + reader for tracking.
✔✔Switch - ✔✔Directs data to device using MAC address.
✔✔Router - ✔✔Connects networks, directs data via routing tables.
✔✔Client/Server Architecture - ✔✔Clients request services from servers.
✔✔Domain Name System (DNS) - ✔✔Translates domain names → IP addresses.
✔✔Uniform Resource Locator (URL) - ✔✔Human-readable web address.
✔✔Intranet - ✔✔Internal corporate network.
✔✔Extranet - ✔✔Links intranet with partners/customers.
✔✔Virtual Private Network (VPN) - ✔✔Secure connection over internet (tunneling).
✔✔Information Security - ✔✔Protects info/systems/resources.
✔✔Cybersecurity - ✔✔Subset, digital-focused.
✔✔CIA Triad - ✔✔Confidentiality (access control), Integrity (unchanged data),
Availability (accessible).
✔✔Confidentiality Violation - ✔✔Disclosure (unauthorized release).
ANSWERS SET A+
✔✔SaaS - ✔✔Apps hosted by provider; accessed online.
✔✔Open-source software - ✔✔Free, source code available, GPL license.
✔✔Computer Network - ✔✔Connected devices sharing data/resources.
✔✔Communications Media - ✔✔Substance carrying signals.
✔✔Protocol - ✔✔Rules for data exchange.
✔✔Topology - ✔✔Arrangement of network devices.
✔✔Star - ✔✔All devices via central hub.
✔✔Bus - ✔✔Devices share common backbone.
✔✔Ring - ✔✔Each connects to two others.
✔✔Mesh - ✔✔Multiple access points link devices.
✔✔PAN - ✔✔Personal (nearby devices).
✔✔LAN - ✔✔Local area (home/office).
✔✔WAN - ✔✔Wide area (large regions).
✔✔Bandwidth - ✔✔Channel capacity (Mbps/Gbps).
, ✔✔Latency - ✔✔Delay time (ms). Low = good.
✔✔Twisted-pair wire - ✔✔Cheap, limited speed.
✔✔Coaxial - ✔✔Faster, more expensive.
✔✔Fiber-optic - ✔✔High speed, costly.
✔✔Wireless - ✔✔Data transfer w/o wire.
✔✔Near-Field Communication - ✔✔Short-range wireless (inches).
✔✔Bluetooth - ✔✔10-30 ft, ~2 Mbps.
✔✔Wi-Fi - ✔✔Wireless via access points (hotspot).
✔✔RFID - ✔✔Tag + reader for tracking.
✔✔Switch - ✔✔Directs data to device using MAC address.
✔✔Router - ✔✔Connects networks, directs data via routing tables.
✔✔Client/Server Architecture - ✔✔Clients request services from servers.
✔✔Domain Name System (DNS) - ✔✔Translates domain names → IP addresses.
✔✔Uniform Resource Locator (URL) - ✔✔Human-readable web address.
✔✔Intranet - ✔✔Internal corporate network.
✔✔Extranet - ✔✔Links intranet with partners/customers.
✔✔Virtual Private Network (VPN) - ✔✔Secure connection over internet (tunneling).
✔✔Information Security - ✔✔Protects info/systems/resources.
✔✔Cybersecurity - ✔✔Subset, digital-focused.
✔✔CIA Triad - ✔✔Confidentiality (access control), Integrity (unchanged data),
Availability (accessible).
✔✔Confidentiality Violation - ✔✔Disclosure (unauthorized release).
