Test: Computer Networks - 2 - CUET Humanities MCQ

SMTP is a set of communication guidelines that allow software to transmit an electronic mail over the internet is called Simple Mail Transfer Protocol. It is a program used for sending messages to other computer users based on e-mail addresses. Simple Mail Transfer Protocol (SMTP) is used to send and receive emails. This is the correct answer.

Modem is a device which converts the computer-generated digital signals of a computer into analog signals to enable their travelling via phone lines. The 'modulator-demodulator' or modem can be used as a dial up for LAN or to connect to an ISP. Hence, this is the correct answer as it is used to connect computers via telephone lines.

Router handles different protocols and uses logical addresses for data transmission.

A router is a device that forwards data packets between computer networks, creating an overlay internetwork. A router is connected to two or more data lines from different networks. When a data packet comes in one of the lines, the router reads the address information in the packet to determine its ultimate destination. Then, using information in its routing table or routing policy, it directs the packet to the next network on its journey. Routers perform the traffic directing functions on the internet. A data packet is typically forwarded from one router to another through the networks that constitute the internetwork until it reaches its destination node.

Computer networks constituting the internet are connected by telephones, underwater cables and satellites.

In mesh topology, a host is connected to one or two or more than two hosts. This topology may have hosts having a point-to-point connection to every other hosts or may also have hosts which are having a point-to-point connection to few hosts only.

The Advanced Research Projects Agency (ARPA), an arm of the U.S. Defense Department, funded the development of the Advanced Research Projects Agency Network (ARPANET) in the late 1960s.

ifconfig eth0 will display the details of LAN card or the Ethernet card.

A multicast Ethernet address cannot be the source address; it should be the destination address.

Reverse Address Resolution Protocol (RARP) is the protocol used to match the MACC of a system with the logical address.