43 Lecture
CS501
Midterm & Final Term Short Notes
Networks
Networks are a collection of interconnected devices and systems that allow for communication and data sharing between different entities. They can range from small local networks within a single building to large global networks that span across
Important Mcq's
Midterm & Finalterm Prepration
Past papers included
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- Which of the following is not a type of network topology?
a) Bus
b) Star
c) Mesh
d) Program
Answer: d) Program
Which of the following protocols is used for sending email?
a) FTP
b) SMTP
c) SNMP
d) SSH
Answer: b) SMTP
Which of the following is not a type of wireless network?
a) Wi-Fi
b) Bluetooth
c) Infrared
d) Ethernet
Answer: d) Ethernet
Which of the following is not a layer of the OSI model?
a) Application
b) Physical
c) Data
d) Transport
Answer: c) Data
Which of the following devices is used to connect multiple network segments together?
a) Router
b) Switch
c) Hub
d) Modem
Answer: a) Router
Which of the following topologies has a central hub or switch to which all devices are connected?
a) Ring
b) Star
c) Mesh
d) Bus
Answer: b) Star
Which of the following is a unique identifier assigned to a network interface card (NIC)?
a) IP address
b) MAC address
c) URL
d) Domain name
Answer: b) MAC address
Which of the following protocols is used for secure remote access to a network?
a) FTP
b) Telnet
c) SSH
d) POP
Answer: c) SSH
Which of the following devices is used to convert digital signals to analog signals for transmission over telephone lines?
a) Router
b) Switch
c) Modem
d) Hub
Answer: c) Modem
Which of the following is not a type of network cable?
a) Coaxial
b) Fiber optic
c) Twisted pair
d) Infrared
Answer: d) Infrared
Subjective Short Notes
Midterm & Finalterm Prepration
Past papers included
Download PDF
- What is a network?
Answer: A network is a collection of interconnected devices and systems that allow for communication and data sharing between different entities.
What is a protocol?
Answer: A protocol is a set of rules and guidelines that govern the communication between devices on a network.
What is a router?
Answer: A router is a networking device that connects multiple network segments and directs traffic between them.
What is a firewall?
Answer: A firewall is a security device that monitors and controls incoming and outgoing network traffic based on a set of predefined security rules.
What is a domain name?
Answer: A domain name is a unique name that identifies a website on the internet.
What is an IP address?
Answer: An IP address is a unique numerical identifier assigned to a device on a network.
What is a VPN?
Answer: A VPN (virtual private network) is a secure way to connect to a network over the internet, typically used for remote access.
What is a subnet mask?
Answer: A subnet mask is a numerical value used to identify the portion of an IP address that represents the network and the portion that represents the host.
What is a switch?
Answer: A switch is a networking device that connects multiple devices on a network and directs traffic between them.
What is bandwidth?
Answer: Bandwidth is a measurement of the maximum amount of data that can be transmitted over a network in a given amount of time, typically measured in bits per second (bps).
Networks are the backbone of modern communication and information sharing, allowing devices and systems to communicate and exchange data with each other over short and long distances. There are different types of networks, including local area networks (LANs), wide area networks (WANs), and wireless networks, each with their own unique characteristics and applications.
A network consists of various components, including devices such as computers, servers, routers, switches, and hubs, as well as communication channels such as cables, fiber optics, and wireless signals. These components work together to enable communication and data transfer between devices on the network.
Networks use different protocols to govern communication between devices. These protocols include TCP/IP, HTTP, FTP, SMTP, and others, each with its own specific function and rules. Network security is also an essential consideration, with firewalls, encryption, and other measures used to protect against unauthorized access and data breaches.
One of the most significant advancements in networking technology is the internet, which has revolutionized global communication and information sharing. The internet is a vast network of networks that allows individuals and organizations to access and exchange information from anywhere in the world.
As technology continues to evolve, networks are becoming more complex and sophisticated, with new applications such as cloud computing, virtual private networks (VPNs), and the internet of things (IoT) driving innovation and growth in the networking industry.
In summary, networks are an essential component of modern technology and play a crucial role in enabling communication and information sharing across the globe. As technology continues to advance, networks will continue to evolve and adapt, facilitating new and exciting applications that will shape the future of communication and information exchange.