CompTIA Network+ Practice Questions
Introduction: These practice questions cover commonly asked questions on the CompTIA Network+ Exam.
Explain the following terminal/command line commands:
Mac Address Lookup Table
List the port numbers for the associated protocols, as well as a brief description of what they are used for:
Ethernet Color Codes:
List the ranges for private IP addresses
A crossover cable is used to connect the following:
What mnemonic do we use to remember the OSI 7 Layer Model?
OSI 7 Layer Model — After listing the order of the layers, list the tools, hardware and functions of that layer.
The Internet Layer Model — After listing the order of the layers, list the tools, hardware and functions of that layer.
What mnemonics are used to remember the following fiber optic cable connectors (ST, SC & LC)?
Name the Seven Troubleshooting Methodology Steps:
Explain the following network attacks:
ARP Cache Poisoning
Rogue Access Point
Explain the following troubleshooting tools:
Punch Down Tool
TDR (Time Domain Reflector)
Explain the following:
What are the binary multiples (i.e., the Binary Scheme?)
Class A Network Bites:
Class B Network Bites:
Class C Network Bites:
Switches make decisions based off of:
Routers make decisions based off of:
Define the following:
ESS — Extended Service Set
BSS — Basic Service Set
What are the following IPv6 prefixes used for?
Name / describe the following records:
What are the wavelengths associated with Single Mode SMF?
What is the speed associated with Single Mode SMF?
What are the wavelengths associated with Multimode MMF?
What are the speeds associated with Multimode MMF?
If you have to use fiber over a long distance, which type of fiber optic cabling will you use?
What is a GBIC and SFP (gigabit interface converter and small form factor pluggable)?