Computer Networking

note!Answer: B) Can address many users
E-mail can be addressed to many recipients at once, for example through the To, Cc, and Bcc fields.

note!Answer: B) Dial up netwok
Dial-up internet connects over the ordinary telephone line using a modem.

note!Answer: C) Transfer files from one computer to another
FTP (File Transfer Protocol) is used to transfer files between computers over a network.

note!Answer: B) Simplex
TV broadcasting sends signals in one direction only, from the station to viewers, which is simplex communication.

note!Answer: C) NIC
A Network Interface Card (NIC) connects a computer to a LAN. A modem and a CD ROM are not used for this purpose.

note!Answer: C) Arrangement of networking
In networking, topology is the physical or logical arrangement of nodes and links in a network.

note!Answer: C) Physical
The OSI model's first (bottom) layer is the Physical layer.

note!Answer: C) Ring
A bus or star has open ends, but in a ring topology every node connects to two others, forming a closed loop with no ends.

note!Answer: C) Encryption
Encryption converts email content into unreadable form so only the intended recipient can read it.

note!Answer: C) 10 Base T
10BASE-T uses twisted pair cable with RJ-45 connectors.

note!Answer: D) Both a and b
Network topology can be described as physical (layout of cables) or logical (how data flows).

note!Answer: C) Optical fiber
Optical fiber offers the highest bandwidth and data transmission speed among these media.

note!Answer: B) Unguided media
Radio waves travel through air without a physical conductor, so they are unguided media.

note!Answer: C) transport control protocol/ internet protocol
TCP/IP stands for Transmission Control Protocol/Internet Protocol, so the correct full form is 'transport control protocol' in option c as printed.

note!Answer: B) Commercial domain
The .com domain suffix is used by commercial organizations.

note!Answer: A) Very Small Aperture Terminal
VSAT means Very Small Aperture Terminal, a small satellite ground station used for communication.

note!Answer: D) the first page of a website
A homepage is the main or first page of a website.

note!Answer: A) Browser
A web browser is the software used to explore and view content on the internet.

note!Answer: A) Network
A server shares resources such as files and printers with the other computers on a network.

note!Answer: D) Broadband
DSL (Digital Subscriber Line) is a high-speed broadband internet connection delivered over telephone lines.