Some Internet services offer ____ connections, in which data travels upstream from your computer to the Internet at the same speed as data traveling downstream from the Internet to your computer.
A: asymmetrical
B: symmetrical
C: always-on
D: voiceband
A: asymmetrical
B: symmetrical
C: always-on
D: voiceband
举一反三
- ________________ is a utility that records the route through the Internet between your computer and a specified destination computer. A: Checksum B: Trace route C: Ping
- Cloud computing is a type of （ ）-based computing that provides shared Computer processing resources and data to computers and other devices on demand. A: computer B: Internet C: data D: protocol
- With _______, or online storage, you can access your files from any computer with an Internet connection. A: Blu-ray B: virtual storage C: optical D: cloud storage
- An ISP supplies a _________ that you can dial from your computer to log on the internet server. A: public key B: private key C: service number D: help file
- Anti-Virus software protects your computer from viruses by ( ) your computer's memory and disk devices.