GKwizard A remote batch-processing operation in which data is solely input to a 'central computer' would require A. telegraphp line B. simplex lines C. mixed bad channel D. all of above Answer: Option B
1 Which device assigns IP addresses to devices in a network? A. Router B. Switch C. Firewall D. Hub View Answer
2 What does DNS stand for in networking? A. Digital Name Server B. Domain Number System C. Domain Name System D. Distributed Name Service View Answer
4 What does a switch operate at in the OSI model? A. Layer 1 B. Layer 2 C. Layer 3 D. Layer 4 View Answer