Network Security

Question 1

Network segmentation

Answer 1

Dividing the network into smaller network called subnets

Question 2

Choke points

Answer 2

locations where you can inspect, filter, and control the traffic

Question 3

Firewall

Answer 3

A mechanism for maintaining control over the traffic that goes in and out of the network

Question 4

Packet filtering

Answer 4

The firewall looks at the contents
of each packet in the traffic

Question 5

What is a Proxy server

Answer 5

A proxy server is an intermediary between a user’s device and the internet, routing requests through itself to enhance privacy, security, access control, and performance.

Question 6

Demilitarized zone (DMZ)

Answer 6

A layer of protection that separates a device from the rest of a network

Question 7

Intrusion detection systems

Answer 7

are hardware or software tools that monitor hosts or applications for unauthorized activity

Question 8

Proxy Servers

Answer 8

Firewalls that provides security and performance features for mail and web browsing

Question 9

Kismet

Answer 9

a packet sniffer like Wireshark