429437
Description
Flashcards by ehmartinson, updated more than 1 year ago
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Created by ehmartinson
about 11 years ago
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| Question | Answer |
| 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 |
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