Computer network and internet mcq test

Which of these is a standard interface for serial data transmission?

• ASCII-7

• ASCII-8

• RS232C

• Gray code

Which of the following transmission directions listed is not a legitimate channel?

• Simplex

• Half duplex

• Full duplex

• Double duplex

The location of a resource on the internet is given by its?

• URL

• Email

• Proxy server

• SMTP

A proxy server is used as the computer?

• with internal access

• with no access

• with external access

• All of these

Which software prevents the external access to a system?

• firewall

• access control

• virus tracker

• antivirus

Which one of the following is a valid email address?

• [e-mail]

• gmail.com

• java@mail

• [e-mail]

At what

speed does tele-computed refer?

• Internet protocol

• Kbps

• Mbps

• Baud

  rate

When

the mail server sends mail to other mail servers it becomes ___ ?

• SMTP host

• SMTP server

• SMTP client

• Client server

Which

of the through is share the data of two computer?

• Telnet

• Arpanet

• Internet

• Network

Which

of the following servers allows LAN users to share data?

• Data server

• Client server

• File server

• All of these