Networking Devices
What component is built-in to the motherboard of the a device and has an attributed MAC Address
Network Interface Card (NIC)
What is the buffer zone between a private network and the public internet
Demilitarized Zone (DMZ)
What is the three way handshake?
A process initiated between two devices communicating using TCP to ensure reliable communication.
Explain the process
What Protocol provides an unencrypted way of remotely accessing another device
Telnet
What device performs packet switching and can transfer data from one device to another based on MAC Address
Switch
List the Range of Private IP Addresses for all classes of IP Addresses
At what level of the OSI Model does the Three Way Handshake take place
Transport Layer (Layer 4)
What port number does Telnet use?
Port 23
What device/software can be used to protect a web application from attacks such as SQL Injection
Web Application Firewall
What process maps a public IP address to a device or group of devices in an internal network
Network Address Translation (NAT)
Layer 3 - Network Layer
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
What networking device can distributed and divide traffic amongst various servers
Load Balancer
What organization policies would manage the access controls related to personal (employee) devices in an enterprise
Bring Your Own Device (BYOD) Policy
At what layer of the OSI Model does encryption happen?
Presentation Layer (Layer 6)
What protocol does Secure Copy (SCP) use to securely copy data and on what protocol does it work?
Secure Shell (SSH)
Port 22
What rule on a firewall denies all traffic
Implicit Deny Rule
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
What's the PDU of "data" transferred at the Data Link Layer
Frames
What protocol is used to interact with web pages and what port does it use?
Hyper Text Transfer Protocol (HTTP)
Port 80