WGU D413 Telecomm and Wireless Communications [2026/2027] | UPDATED ACTUAL Exam Question and Answer | Frequently Tested Questions

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WGU D413 Telecomm and Wireless Communications [2026/2027] | UPDATED ACTUAL Exam Question and Answer | Frequently Tested Questions

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Institution WGU D413 Telecomm And Wireless Communications

Course WGU D413 Telecomm and Wireless Communications

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WGU D413 Telecomm and Wireless Communications [2026/2027] | UPDATED ACTUAL Exam Question and Answer | Frequently Tested Questions

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WGU D413 Telecomm and Wireless Communications
[2026/2027] | UPDATED ACTUAL Exam Question and
Answer | Frequently Tested Questions
• 802.3 . CORRECT ANSWER: Ethernet standards

• 802.11 . CORRECT ANSWER: Wi-Fi Standards

• 802.1X . CORRECT ANSWER: Port-based Network Access Control (PNAC)
standard.

• 802.1D . CORRECT ANSWER: Spanning Tree Protocol (STP) Standard

• 802.1Q . CORRECT ANSWER: Protocol for VLAN tagging within networks.

• 802.1p . CORRECT ANSWER: Quality of Service (QoS) standard.

• 802.3af / 802.3at . CORRECT ANSWER: Standards for Power over Ethernet (PoE /
PoE+).

• 802.3ad . CORRECT ANSWER: Link Aggregation (LAG) standard

• 802.15 . CORRECT ANSWER: Wireless Personal Area Networks (WPAN) standard

• 802.16 . CORRECT ANSWER: WiMAX (Worldwide Interoperability for Microwave
Access) standard

• Cat 5 . CORRECT ANSWER: 100 Mbps
100 meters
100 MHz

• Cat 5e . CORRECT ANSWER: 1 Gbps
100 meters
100 MHz

• Cat 6 . CORRECT ANSWER: 1 Gbps
100 meters
250 MHz

• Cat 6a . CORRECT ANSWER: 10 Gbps
100 meters
500 MHz

• Cat 7 . CORRECT ANSWER: 10 Gbps
100 meters

, 600 MHz

• Cat 7a . CORRECT ANSWER: 10 Gbps
100 meters
1000 MHz

• Cat 8 . CORRECT ANSWER: 40 Gbps
30 meters
2000 MHz

• FDM (Frequency Division Multiplexing) . CORRECT ANSWER: Analog multiplexing
technique dividing bandwidth into frequency bands.

• TDM (Time Division Multiplexing) . CORRECT ANSWER: Digital multiplexing
technique allocating time slots for each channel.

• STDM (Synchronous TDM) . CORRECT ANSWER: TDM with fixed time slots
synchronized to a clock.

• ATDM (Asynchronous TDM) . CORRECT ANSWER: TDM with flexible time slots for
varying data rates.

• WDM (Wavelength Division Multiplexing) . CORRECT ANSWER: Optical multiplexing
using different light wavelengths for channels.

• DWDM (Dense WDM) . CORRECT ANSWER: Enhanced WDM that packs channels
more closely for higher capacity.

• CDM (Code Division Multiplexing) . CORRECT ANSWER: Digital multiplexing
technique that spreads signals using unique codes.

• ISO/IEC 7498-1 . CORRECT ANSWER: OSI Model standard

• ISO/IEC 11801 . CORRECT ANSWER: Standard for generic cabling for premises

• ISO/IEC 8802 . CORRECT ANSWER: Ethernet Standards including 802.3

• ISO/IEC 27001/27002 . CORRECT ANSWER: ISMS standards for security controls.

• ISO/IEC 27017 . CORRECT ANSWER: Standard for cloud security.

• ISO/IEC 7816 . CORRECT ANSWER: Specifications for smart cards.

• 802.11a . CORRECT ANSWER: 5 GHz
54 Mbps
20 MHz Channels

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Uploaded on: August 12, 2026
Number of pages: 12
Written in: 2026/2027
Type: Exam (elaborations)
Contains: Questions & answers

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