Computer Network Questions and Answers Part 1

Can you be able to identify between Straight- through and Cross- over cable wiring?
Straight-through is type of wiring that is one to to one connection Cross- over is type of wiring which those wires are got switchedWe use Straight-through cable when we connect between NIC Adapter and Hub. Using Cross-over cable when connect between two NIC Adapters or sometime between two hubs.

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.

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).

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

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

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]

What is a default gateway?
The exit-point from one network and entry-way into another network, often the router of the network.

What is Kerberos?
It is an authentication service developed at the Massachusetts Institute of Technology. Kerberos uses encryption to prevent intruders from discovering passwords and gaining unauthorized access to files.

What is NVT (Network Virtual Terminal)?
It is a set of rules defining a very simple virtual terminal interaction. The NVT is used in the start of a Telnet session.

What is silly window syndrome?
It is a problem that can ruin TCP performance. This problem occurs when data are passed to the sending TCP entity in large blocks, but an interactive application on the receiving side