Networking Flashcards
What is a client ?
A client is a device that accesses a service made available by a server
What is a server ?
A server is a device that provides functions or services for clients.
What is a switch ?
A switch have many network interfaces/ports for end hosts to connect to (24 or more).
A switch provide connectivity to hosts within the same LAN.
A switch do not provide connectivity between LANs or over the internet.
What is a router ?
A router have fewer network interfaces than a switch.
Routers are used to provide connectivity between LANs.
Routers are used to send data over the internet.
What is a Network Firewall ?
A network firewall is a hardware device that filter traffic between networks.
Firewalls can be placed inside or outside a network.
What is a host-based firewall ?
Host-based firewalls are software applications that filter traffic entering and exiting a host machine like a PC.
What is a networking model ?
Networking models categorize and provide a structure for networking protocols and standards.
What is a Networking protocol ?
A set of rules defining how network devices and software should work.
What is Ping ?
A Network utility that is used to test reachability
What is the minimum Ethernet payload size ?
46 bytes
What is an ARP Request ?
The ARP request message is used to learn the Layer 2 address of a host. Because the Layer 2 address is unknown, the message has to be broadcast to all hosts on the local network.
