Internet is nothing but an interconnected computer network providing a variety of communication facilities, consisting of a huge amount of small networks using standardized communication protocols.
To join the internet, the computer has to be connected to a ?
A.
Internet architecture board
B.
Internet society
C.
Internet service provider
D.
Different computer
Answer: Option C
Explanation:
The ISPs (Internet Service Providers) are the main agents through which every computer is connected to the internet. They are licensed to allot public IP addresses to its customers in order to connect them to the internet.
Internet access by transmitting digital data over the wires of a local telephone network is provided by ?
A.
Leased line
B.
Digital subscriber line
C.
Digital signal line
D.
Digital leased line
Answer: Option B
Explanation:
DSL (Digital Subscriber Line) is the technology designed to use the existing telephone lines to transport high-bandwidth data to service subscribers. DSL was used to allow the early users access to the internet and it provides dedicated, point-to-point
ISP exchanges internet traffic between their networks by ?
A.
Isp end point
B.
Internet end point
C.
Subscriber end point
D.
Internet exchange point
Answer: Option A
Explanation:
ISPs exchange internet traffic between their networks by using Internet Exchange Points. ISPs and CDNs are connected to each other at these physical locations are they help them provide better service to their customers.
Which of the following protocols is used in the internet ?
A.
DNS
B.
DHCP
C.
HTTP
D.
DNS, HTTP & DNS
Answer: Option D
Explanation:
HTTP is used to browse all the websites on the World Wide Web, DHCP is used to allot IPs automatically to the users on the internet, and DNS is used to connect the users to the host servers on the internet based on the Domain Name.