Computer Networks - Frequently Asked Questions

1.) What is The A Port Number?

A Port Number is allocated by the operating system (or can be requested) , in such a way to identify the pocess in a standalone system or a network.default Port Number for FTP is 21.

2.) What is a default gateway?

The exit-point from one network and entry-way into another network, often the router of the network.

3.) What is DHCP?

DHCP is a protocol which is designe for Automatic Give the IP Address to DHCP client.. DHCP Assine the IP Address for few days Lease & capture the clients MAC address.. It is Updated version of BootP…

4.) What is a default gateway?

The exit-point from one network and entry-way into another network, often the router of the network.

5.) 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]

6.) 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

7.) What is LDAP used for?

LDAP is a set of protocol used for providing access to information directories.

8.) 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).

9.) 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.