What does WAN stand for?
B
Wireless Access Network
Analysis & Theory
WAN stands for Wide Area Network, which connects devices across large geographical areas.
Which of the following best describes a WAN?
A
A network within a building
C
A network covering cities or countries
D
A personal device network
Analysis & Theory
WANs span large geographical regions such as cities, states, or even countries.
Which device is commonly used to connect LANs to a WAN?
Analysis & Theory
Routers are used to connect multiple LANs and manage traffic across WANs.
Which protocol is commonly used for WAN communication?
B
PPP (Point-to-Point Protocol)
Analysis & Theory
PPP is a data link layer protocol used for establishing direct connections in WANs.
Which transmission media is commonly used in WANs?
C
Microwave, satellite, and fiber optics
Analysis & Theory
WANs use high-capacity long-distance media such as satellite, microwave, and fiber optics.
Which of the following is a feature of WANs?
B
High speed within short distances
C
Interconnects LANs over long distances
D
Limited to a single room
Analysis & Theory
WANs are designed to interconnect LANs and other networks across broad areas.
What is the role of a modem in a WAN?
B
Converts digital signals to analog and vice versa
C
Amplifies wireless signal
Analysis & Theory
A modem modulates and demodulates signals, allowing digital data to be sent over analog lines.
Which topology is often used in WANs?
Analysis & Theory
Mesh topology is often used in WANs for better reliability and multiple path routing.
Which of the following is a real-world example of a WAN?
A
Your home Wi-Fi network
Analysis & Theory
The Internet is the largest WAN, connecting millions of devices across the globe.
Why are WANs more expensive to set up and maintain than LANs?
B
They operate in limited areas
C
They involve public or leased communication lines
Analysis & Theory
WANs rely on leased lines, satellite links, and other infrastructure across long distances.