Networking questions studying

1. What is a default gateway? - The exit-point from one network and entry-way into another network, often the router of the network.
2. How do you set a default route on an IOS Cisco router? - ip route 0.0.0.0 0.0.0.0 x.x.x.x [where x.x.x.x represents the destination address]
3. What is the difference between a domain local group and a global group? - Domain local groups grant permissions to objects within the domain in which the reside. Global groups contain grant permissions tree or forest wide for any objects within the Active Directory.
4. What is LDAP used for? - LDAP is a set of protocol used for providing access to information directories.
5. What tool have you used to create and analyze packet captures? - Network Monitor in Win2K / Win2K3, Ethereal in Linux, OptiView Series II (by Fluke Networks).
6. How does HSRP work?
7. What is the significance of the IP address 255.255.255.255? - The limited broadcast address is utilized when an IP node must perform a one-to-everyone delivery on the local network but the network ID is unknown.