Chapter 5 - Networking Devices | Conjunto de Fichas

Pregunta	Respuesta
What layer does a router run on?	3 - Network
What layer does a switch run on?	2 - Data Link
What are three differences between a hub and a switch?	Recognizes frames, pays attention to the source and destination MAC address of the incoming frame as well as the port on which it was received.
What connects many, sometime disparate, network segments together to form an internetwork?	Router
Will a router work out of the box when plugged into a network?	No, the interfaces must be enabled and configured.
What does a Firewall do?	Protect your LAN resources from invaders.
What is the main function of a DHCP server?	Assigns IP addresses to clients.
What is a Fully Qualified Domain Name - FQDN?	Host name and Domain name
What is the process of finding the IP address for any given host name called?	Name Resolution
What does an A record store?	The IP address of a host or domain
What does an MX record point to?	The mail exchanger for a particular host.
What is a CNAME record?	an Alias for a host. Allows the host to have more than one name.
What is a PTR record?	IP address to Name mapping

Chapter 5 - Networking Devices

	Creado por ehmartinson hace casi 11 años