WGU D413

1. Which layer of the OSI model is responsible for establishing, managing, and terminating sessions between two communicating hosts? a) Transport b) Session c) Presentation d) Application Answer: b) Session Explanation: The Session layer (Layer 5) is responsible for dialog control, establishing, managing, and tearing down sessions. The Transport layer handles end-to-end delivery, the Presentation layer handles data formatting, and the Application layer provides network servic...

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35 pages

Written in 2025/2026

Grade A+

Brainarium

Wgu D413 – Telecommunication And Wireless Communication | Objective Assessment | Oa V1 And V2 Questions And Answers Rated A+ New Update Assured Satisfaction. A wave position relative to a reference position is best described as its: A) Direction B) Phase C) Sprint D) Frequency Correct Answer: B Rationale: Phase describes the position of a point in time on a waveform cycle relative to a reference point. It is a critical concept in modulation and signal analysis. 2. Which IEEE standard describes...

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80 pages

Written in 2026/2027

Grade A+

Professionalachiever

1. A wave position relative to a reference position is best described as its: A) Direction B) Phase C) Sprint D) Frequency Correct Answer: B Rationale: Phase describes the position of a point in time on a waveform cycle relative to a reference point. It is a critical concept in modulation and signal analysis. 2. Which IEEE standard describes the use of wireless personal area networks (WPANs)? A) IEEE 802.16 B) IEEE 802.15 C) IEEE 802.14 D) IEEE 802.11 Correct Answer: ...

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63 pages

Written in 2026/2027

Grade A+

Brainarium