Week 1 Flashcards
What is the peer-to-peer (P2P) network model?
A network model where the OS of each computer on the network is responsible for controlling access to its resources
What are the advantages and disadvantages of a P2P network model?
Advantages:
- Simple configuration
- Less expensive
Disadvantages:
- Not scalable
- Not necessarily secure
What is the client-server network model?
A network model where a network operating system (NOS) controls access to the entire network
What does a NOS use to manage resources?
A centralised directory database
What is a computer making a request from another called?
The client
What is a Windows Domain?
A logical group of computers that a windows server can control
What is an Active Directory? (AD)
The centralised directory database that contains user account information and security for an entire group of computers
What do servers who have a network operating system (NOS) require?
- More memory, processing power, and storage capacity
- Special hardware to provide network management functions
What are network services?
The resources that a network makes available to its users. (e.g. applications and data provided by those applications)
What are protocols?
The methods and rules for communication between networked devices
What are the two primary network protocols?
- TCP (Transmission Control Protocol)
- IP (Internet Protocol)
What is a LAN?
A network contained in a small space like a room or small building
What is a NIC (Network interface card)?
A network port used to attach a device to a network (also known as a network adapter)
What is a switch?
A device which receives data from one of its ports and redirects it to another port or multiple ports. Uses MAC addresses to figure out which port to redirect data.
What is a backbone in a network?
A central conduit that connects the segments of a network
What is a bus topology?
When several devices are connected together in a single line
What is a hybrid topology?
A topology which combines other topologies (such as bus and star)
What is a router?
A device that manages traffic between two or more networks
What is a WAN?
A wide area network is a group of LANs that spread over a wide geographical area
What is a MAN?
A metropolitan area network is a group of connected LANs in the same geographical area.
What is a PAN?
A personal area network is a much smaller network of personal devices made up of devices such as your smartphone and computer
What is Nmap’s GUI option?
Zenmap
What is Nmap?
Nmap is one of the most popular tools used for network mapping.
What type of diagram is a graphical representation of a network’s wired infrastructure?
Wiring Diagram
