Show:
Networking Devices
Networking Design
OSI Model
Networking Protocols
100

What component is built-in to the motherboard of the a device and has an attributed MAC Address

Network Interface Card (NIC)

100

What is the buffer zone between a private network and the public internet

Demilitarized Zone (DMZ)

100

What is the three way handshake? 

A process initiated between two devices communicating using TCP to ensure reliable communication. 


Explain the process

100

What Protocol provides an unencrypted way of remotely accessing another device

Telnet

200

What device performs packet switching and can transfer data from one device to another based on MAC Address

Switch

200

List the Range of Private IP Addresses for all classes of IP Addresses

  • Class A: 10.0.0.0 to 10.255.255.255
  • Class B: 172.16.0.0 to 172.31.255.255
  • Class C: 192.168.0.0 to 192.168.255.255
200

At what level of the OSI Model does the Three Way Handshake take place

Transport Layer (Layer 4)

200

What port number does Telnet use?

Port 23

300

What device/software can be used to protect a web application from attacks such as SQL Injection

Web Application Firewall

300

What process maps a public IP address to a device or group of devices in an internal network

Network Address Translation (NAT)

300
At what layer of the OSI Model does a router function? 

Layer 3 - Network Layer

300

What protocol does ping use, what layer of the OSI model does it function and what port number does it use

ICMP, 

Network Layer

No port Number

400

What networking device can distributed and divide traffic amongst various servers

Load Balancer

400

What organization policies would manage the access controls related to personal (employee) devices in an enterprise

Bring Your Own Device (BYOD) Policy

400

At what layer of the OSI Model does encryption happen?

Presentation Layer (Layer 6)

400

What protocol does Secure Copy (SCP) use to securely copy data and on what protocol does it work?

Secure Shell (SSH)

Port 22

500

What rule on a firewall denies all traffic

Implicit Deny Rule

500

Type of Network Address Translation where there is a pool of external IP Addresses that can be assigned to devices in an internal network

Dynamic NAT

500

What's the PDU of "data" transferred at the Data Link Layer

Frames

500

What protocol is used to interact with web pages and what port does it use?

Hyper Text Transfer Protocol (HTTP)

Port 80