Protocols
Routing
TCP
Utilities
Security
100

This protocol does not guarantee reliable delivery of packets

What is UDP?

100

Routers use this information to determine the optimal path for packet forwarding.

What is a Routing Table?

100

Used to identify a specific process to which an internet or other network message is to be forwarded when it arrives at a server.

What is a port number?

100

Test the reachability of a host on a network and measure the round-trip time for packets to travel to the destination and back.

What is ping?

100

Larger Address Space, Improved Performance, Simplified header, Enhanced Security features

What are advantages of IPv6?

200

This protocol translates domain names into IP addresses.

What is DNS?

200

Example of a link-state routing protocol.

What is OSPF?

200

A method used to establish a connection between a client and a server in TCP/IP communication.

What is a Three-way Handshake?

200

Gives info about hops (routers) along the path

What is tracert?

200

A hidden or separate entry point into a computer system.

What is a backdoor?

300

This protocol allows a user download, upload, and transfer files from one location to another on the Internet and between computer systems.

What is FTP?

300

Used when there is no specific routing information available for a destination outside the local network.

What is the default gateway?

300

Used to track the order of of transmitted data segments to ensure that all data is received error free.

What are Sequence Numbers?

300

Display network configuration information, such as IP addresses, subnet masks, and network interfaces.

What is ipconfig/ifconfig?

300

An attack where a perpetrator gets in the middle of communication to eavesdrop or impersonate.

What is Man-in-the-Middle Attack?

400

These types of protocol determines the best route for data packets based on distance.

What are distance vector routing protocols?

400

The source and destination devices are on different networks or subnets.

What is indirect packet delivery?

400

Combining multiple data streams from different applications into a single connection.

What is Multiplexing?

400

Query DNS servers to obtain domain name or IP address information.

What is nslookup?
400

FE80::/10.

Used for communication within the local network segment.

What is the link-local address?

500

This protocol is used to virtually access network devices.

What is Telnet?

500

Configured manually by Administrators. Remain unchanged unless modified by the administrator

What is a Static Route?

500

Adjusts the amount of data sent based on the receiver's window size.

What is a sliding window?

500

Display network connections, routing tables, interface statistics, and other network-related information

What is netstat?

500

Adds an extra layer of security to an organization's internal local-area network from untrusted traffic

What is a DMZ?