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Difficulty: MediumMobile Device Synchronization and Cloud Integration

A systems administrator needs to configure mobile devices for field employees to ensure their corporate email, contacts, and calendar items automatically synchronize in real time across all endpoints. The selected protocol must also support centralized security management, including remote wipe capabilities, over a single encrypted connection. Which of the following synchronization protocols best meets these requirements?

  1. Exchange ActiveSyncAnswer
  2. B
    Internet Message Access Protocol over SSL (IMAP4)
  3. C
    Post Office Protocol v3 over TLS (POP3)
  4. D
    Simple Mail Transfer Protocol with STARTTLS (SMTP)

Answer

Exchange ActiveSync is the optimal protocol because it synchronizes email, contacts, and calendar data in real time while enforcing corporate mobile security controls like remote wipe.
Exchange ActiveSync (EAS) is an XML-based protocol designed for high-latency, low-bandwidth mobile networks. It allows mobile devices to synchronize email, contacts, calendars, tasks, and notes with a messaging server over a single secure connection (HTTPS). Additionally, EAS enables administrators to enforce device policies, such as requiring passcode locks and executing remote wipes.

Step-by-Step Solution

1
Analyze the technical requirements in the scenario.
Identified the need for multi-data synchronization (email, contacts, calendar) along with centralized management and remote wipe functionality.
Standard email-only protocols cannot fulfill the requirement for calendar and contact synchronization or mobile device management.
2
Evaluate the capabilities of available mobile synchronization protocols.
Exchange ActiveSync provides unified synchronization for email, contacts, and calendar items over HTTPS (port 443) and supports administrative security commands.
EAS is specifically engineered for comprehensive mobile synchronization and security enforcement.

Key Concept

Mobile Device Synchronization Protocols and Security Policy Enforcement
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Topics

Mobile Device Synchronization and Cloud Integration

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