Disaster Recovery

 Please write in about 200 words in APA format with in-text citation for below questions.  

 1) Define and describe disaster recovery. ( 50 words) 

2) Compare and contrast a web page and a web service. ( 50 words) 

3) Define and discuss vendor lock-in and identify steps a company should take to mitigate this risk. ( 50 words) 

4) Discuss why a company should consider using a consultant to oversee a cloud migration and list specific skills you would expect the consultant to have. ( 50 words)

 Note: You are required to use at least two-peer reviewed sources (besides textbook) to answer the above questions.