Knock ! Knock ! Whos there ?

I am capable of accessing an object using existing Internet protocols. Who am I ?

• Protocol

• Domain name

• URL

• IP Address

I am a business or organization that offers users access to the Internet and related services. Who am I?

• IETF

• ISP

• DNS

• Apache

I can identify an application running on a host. Who am I?

• Port

• URL

• IP Address

• Socket

We are a family of technologies that enable voice communications using IP networks like the internet. Who we are?

• VPN

• Mobile IP

• WAN

• VoIP

I am a publicly accessible network of interconnected computer networks. Who am I?

• Intranet

• Extranet

• Internet

• WAN

I am formal set of rules that must be followed in order to communicate between computers. Who am I?

• TCP /IP

• Protocol

• IP

• TCP

I am protecting the resources of a private network from users from other networks. Who am I?

• Proxy Server

• DNS

• Gateway Computer

• Firewall

I can cache frequently requested files or to monitor Internet use within a corporation. Who am I?

• DNS

• Web Server

• Proxy Server

• Firewall

I was needed because we had to provide network connectivity to the Internet irrespective of the physical location of the node. Who am I?

• Mobile IP

• VPN

• Protocol Tunneling

• Proxy Server

I use a public telecommunication infrastructure, such as the Internet, to provide remote offices or individual users with secure access to their organization's network. Who am I?

• VPN

• LAN

• WAN

• VoIP