Write a 100- to 200-word response that addresses the following:
Which of the following applications require best-effort (unpredictable and unreliable), guaranteed (predictable and reliable, with accountability), or predictable service? Provide your reasons for your choices.
·High-quality voice calls
·Voice over IP (VoIP) calls
·File Transfers via FTP
·Audio files downloads
·Commercial video-on-demand services
·User access to servers in a corporation2)
Write a 100- to 200-word response that addresses the following:What is cross-layer routing and how would one use these techniques to optimize performance in a wireless network environment.