Question

26. On which of the following protocols is the Internet based? A) TCP/IP B) FTP C) IMAP D) DNS 27. Which of the following is a device that makes possible the translation of digital signals to analog sound signals used by a computer network? A) Local area network B) Modem C) Twisted wire D) TCP/IP 28. A network that covers entire geographical regions is most commonly referred to as an): A) intranet B) peer-to-peer network. C) wide area network. D) metropolitan area network service. 29. Instant messaging is a type of A) chat B) cellular C) email D) wireless 30. Which of the following can be used to help a website achieve a higher ranking with the major search engines? A) VPN В) ТАВ C) SEO D) RSS

Answer 1

26=> A ==> TCP/IP- Transmission Control Protocol / Internet Protocol. This is true option.

FTP - File transfer protocol. It is a protocol for file transfer so it's not true.

IMAP - Internet Message Access Protocol is an Internet standard protocol used by email clients to retrieve email - messages from a mail server over a TCP/IP connection. Not true.

DNS - Domain name system. Actually it's not protocol. It is used to map a domain name to an IP address.

example: www.amazon.com to IP addresses (192.0.2.44). Not true.

27=> B ==> Modem is a device or program that enables a computer to transmit data over, for example, telephone or cable lines. Computer information is stored digitally, whereas information transmitted over telephone lines is transmitted in the form of analog waves. A modem converts between these two forms.

28=> C ==> Intranet - It is a network within the same organisation. Noone can access from outside of that organization. This option is not true.

peer to peer network - Lots of computers are connected to each other. This option is not true.

Wide area network - wide area network(WAN) is a network that exists over a large-scale geographical area.   A WAN connects different smaller networks, including local area networks (LANs) and metro area networks. This is true option.

29=> A ==> Instant messaging is a type of chat service. Other options are not true as for email we have different protocols(like SMTP) and cellular, wireless irrelevant.

30=> C ==> VPN - A VPN(Virtual private network) is a private network that uses a public network (usually the internet) to connect remote sites or users together. By this we can't higher ranking so it's false option.

SEO - Seach engine optimization (SEO) the process of increasing the quality and quantity of website traffic by increasing the visibility of a website or a web page to users of a web search engine. So this will increase the ranking of the website.

IAB and RSS also can't increase the ranking of any website, so both are not correct.