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A+ · Hardware
…AID 5 stripes with distributed parity across at least three drives, survives one failure and loses one drive's worth of capacity. RAID 6 adds a second parity block, needs four drives and sur…
A+ · Networking
…s from RFC 1918 are 10.0.0.0/8, 172.16.0.0/12 (172.16 through 172.31) and 192.168.0.0/16; they are not routable on the internet and rely on NAT at the router. 127.0.0.1 is loopback. A static…
A+ · Networking
…netrates walls best and reaches furthest but has only three non-overlapping channels (1, 6, 11) and shares the band with microwaves and Bluetooth, so it is slow and congested. 5 GHz offers m…
A+ · Mobile Devices
…s add touch and pen input on top of the panel. Cables through the hinge fail from repeated flexing, causing flicker when the lid moves.
A+ · Mobile Devices
…hing personal content, the answer is a selective wipe through MDM.
A+ · Mobile Devices
…roximity sensor. Ambient light adjusts brightness. Synchronisation of mail, calendar and contacts uses ActiveSync or account-specific protocols over the network, not sensors.
A+ · Security
…s IT support. Tailgating follows an authorised person through a secure door; piggybacking is the same with their consent. Shoulder surfing watches a screen or keypad. Dumpster diving retriev…
A+ · Troubleshooting
…e, questioning the obvious and researching if needed. Three: test the theory; if it fails, form a new theory or escalate. Four: establish a plan of action and implement the solution. Five: v…
A+ · Operational Procedures
… response is to stop, avoid altering anything, report through the proper channel to a supervisor or security, and preserve the evidence. Chain of custody records who had the device, when and…
A+ · Operational Procedures
…nctured or charged. Toner and cartridges are recycled through the vendor. Devices are wiped or drives destroyed before disposal. Keep humidity moderate and temperature controlled to protect …
A-CSD · Team facilitation
…nd owners; agreement during a discussion needs follow-through to become useful action. Worked example Two confident speakers dominate a planning discussion. What can a facilitator do? Use st…
A-CSM · Team facilitation
…nd owners; agreement during a discussion needs follow-through to become useful action. Worked example Two confident speakers dominate a planning discussion. What can a facilitator do? Use st…
A-CSPO · Team facilitation
…nd owners; agreement during a discussion needs follow-through to become useful action. Worked example Two confident speakers dominate a planning discussion. What can a facilitator do? Use st…
AAIA · AI security boundaries
…. Removing citations afterward cannot undo disclosure through the answer. Model output is not inherently trusted code. Execution isolation, explicit capabilities and action validation limit …
AAIA · Assurance and evidence
…en another reviewer can trace it from the requirement through the evidence to the finding. Worked example An auditor receives a manager's statement that all access is reviewed. What evidence…
AAIA · Responsible AI evaluation
…icient. Responsible operation continues after release through monitoring and feedback; a one-time evaluation cannot capture every change in data or use. Worked example A model's overall accu…
AAIA · Risk assessment and treatment
…ts consequences for an objective. Identify the asset, threat and conditions before choosing a response. Controls may reduce likelihood or impact, while acceptance requires an accountable own…
AAIR · AI security boundaries
…. Removing citations afterward cannot undo disclosure through the answer. Model output is not inherently trusted code. Execution isolation, explicit capabilities and action validation limit …
AAIR · Assurance and evidence
…en another reviewer can trace it from the requirement through the evidence to the finding. Worked example An auditor receives a manager's statement that all access is reviewed. What evidence…
AAIR · Responsible AI evaluation
…icient. Responsible operation continues after release through monitoring and feedback; a one-time evaluation cannot capture every change in data or use. Worked example A model's overall accu…
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