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Showing 20 results · Page 14 for “data”. More results are available below.

Mini-lessons

CC · Business Continuity (BC), Disaster Recovery (DR) & Incident Response Concepts

BC keeps the business running, DR restores the technology

…covery is the IT-focused subset that restores systems, data and infrastructure. Both start with a business impact analysis that identifies critical processes and how quickly they must return…

CC · Business Continuity (BC), Disaster Recovery (DR) & Incident Response Concepts

Hot, warm and cold sites trade cost for recovery speed

…e. A hot site is fully equipped with hardware, current data and network connectivity, ready within minutes or hours, and is the most expensive. A warm site has power, network and some equipm…

CC · Network Security

OSI and TCP/IP layers in one breath

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The OSI model has seven layers: physical, data link, network, transport, session, presentation, application. The TCP/IP model compresses them to four: network access, internet, transport, ap…

CC · Network Security

VPNs, segmentation and zero trust protect the inside

…ure the operating system upward, with SaaS mainly your data and users.

CC · Security Operations

Data life cycle: create, store, use, share, archive, destroy

Data needs protection at every stage. At creation it is classified, for example Public, Internal, Confidential or Restricted, which determines handling rules. In storage it is encrypted at r…

CC · Security Operations

Symmetric vs asymmetric encryption and hashing

…both encryption and decryption, is fast and suits bulk data; AES is the standard. Its weakness is key distribution: every party needs the same secret delivered safely. Asymmetric encryption …

CC · Security Operations

Logging, monitoring and awareness training close the loop

…reness training teaches staff to spot phishing, handle data correctly and report incidents, and it is repeated regularly because threats change. The exam treats training as an administrative…

CCDE · Data center networking

Redundant paths need a coherent design

Data-center networks connect compute and storage across many links and devices. Redundant paths improve resilience when forwarding, loop prevention and failover work together. Consider east-…

CCFA · Detection engineering and validation

Detection engineering and validation

…nd malicious test cases. No alerts may reflect missing data rather than a precise rule. Validate telemetry coverage, parsing and rule execution before interpreting detection metrics. Correla…

CCFH · Detection engineering and validation

Detection engineering and validation

…nd malicious test cases. No alerts may reflect missing data rather than a precise rule. Validate telemetry coverage, parsing and rule execution before interpreting detection metrics. Correla…

CCFP · Detection engineering and validation

Detection engineering and validation

…nd malicious test cases. No alerts may reflect missing data rather than a precise rule. Validate telemetry coverage, parsing and rule execution before interpreting detection metrics. Correla…

CCFR · Detection engineering and validation

Detection engineering and validation

…nd malicious test cases. No alerts may reflect missing data rather than a precise rule. Validate telemetry coverage, parsing and rule execution before interpreting detection metrics. Correla…

CCIE-DC · Data center networking

Redundant paths need a coherent design

Data-center networks connect compute and storage across many links and devices. Redundant paths improve resilience when forwarding, loop prevention and failover work together. Consider east-…

CCIE-DC · Storage concepts

Choose storage by access pattern

…ctories, and object storage addresses objects with metadata. The workload determines which access model fits. Capacity alone is insufficient: consider latency, throughput, concurrent access …

CCIE-DC · Virtualization operations

Virtual machines still share physical capacity

A hypervisor lets several virtual machines share a host while each runs its own operating system. The workloads still compete for physical CPU, memory, storage and network capacity. Investig…

CCIE-ENT · Data center networking

Redundant paths need a coherent design

Data-center networks connect compute and storage across many links and devices. Redundant paths improve resilience when forwarding, loop prevention and failover work together. Consider east-…

CCIE-SEC · Security architecture

Place controls at trust boundaries

A trust boundary is where data or actions cross between components with different security assumptions. Map those crossings and require appropriate validation, identity checks and authorizat…

CCIE-SP · Data center networking

Redundant paths need a coherent design

Data-center networks connect compute and storage across many links and devices. Redundant paths improve resilience when forwarding, loop prevention and failover work together. Consider east-…

CCISO · Security architecture

Place controls at trust boundaries

A trust boundary is where data or actions cross between components with different security assumptions. Map those crossings and require appropriate validation, identity checks and authorizat…

CCISO · Security foundations

Match the control to the security objective

…protects disclosure; restoring a backup addresses lost data or service. Start by naming the asset and the harm you are trying to prevent. Worked example A stolen password alone must not allo…