02 - Network Review

Question 1

Basic Network Architectures?

Answer 1

LAN and WAN

Question 2

What are the Basic Network Protocols

Answer 2

TCP, UDP, IP

Question 3

What is routing?

Answer 3

The process of moving packets from one network to another.

Relies on Routing or Forwarding tables for a more efficient path.

Question 4

What is NAT?

Answer 4

Network Address Translation.

NAT translates private (nonroutable) IP addresses into public (routable) IP addresses.

Question 5

What is DMZ?

Answer 5

Demilitarized Zone.
A space between the inner, secure corporate network and the internet where machines are considered at risk.
This is a Security Zone.

Question 6

Enclave?

Answer 6

A network broken up into Enclaves. Areas of trust where special protections can be employed and traffic from outside the enclave is limited or properly screened before admission.

Question 7

VLAN?

Answer 7

A Virtual Local Area Network implemented via switches and software that allow computers that are connected to different physical networks to act and communicate as if they were on the same physical network.

Question 8

Zone?

Answer 8

A grouping of elements that share common security requirements.

Question 9

Conduit?

Answer 9

Defined as the path for the flow of data between zones.

Question 10

Tunnelling?

Answer 10

Method of packaging packets so that they can traverse a network in a secure, confidential manner.
It involves encapsulating packets within packets.