Commands
Used to check point to point connectivity across networks
What is ping?
Shows IP information on a Linux computer
What is ifconfig or ip?
The first thing you should do when starting a CompTIA PBQ with a command line entry
What is type help in the command line?
This is the ideal humidity range for a network or server room
What is 40-60% humidity?
This type of physical network infrastructure features only two end points directly connected
What is Ad-Hoc?
The broadcast address of host 192.168.0.140/25
What is 192.168.0.255?
Used to check connectivity to all points traveled to to get to a remote host on (Windows)(Linux)
What is tracert/traceroute?
Shows all IP information on a Windows machine
What is ipconfig /all?
This is the device that shows the physical status of an ethernet cable
What is a cable tester?
These are considerations that must be made about the environment a system is being placed in (two answers)
What is power, water, government, natural disaster risk, human disaster risk?
This is the mode your hot spot uses to share your internet, also what mode an access point uses for multiple WiFi connections
What is Infrastructure mode?
The subnet mask of 172.30.45.22/26
What is 255.255.255.192?
Used to lookup DNS records from the Windows or Linux CLI
What is nslookup?
Shows the router table linking MAC addresses to IP addresses
What is arp -a?
This kind of VPN separates traffic meant for the private network from traffic meant for the internet before it enters the private network
What is a Split Tunnel VPN?
A system administrator added one of these to allow him to remotely manage devices on his network in a secure channel separate from public facing traffic
What is a Jump Box?
10.x.x.x/8 is an example of this (not the class of network)
What is a Network Prefix
Host 10.0.0.34 has a network ID of 10.0.0.0/27 (true or false)
What is False? It would be 10.0.0.32/27
Performs DNS queries unique to Linux
What is Dig?
Shows the port status of a single port on a Cisco switch
What is show interface?
This kind of VPN takes in all traffic from a connection and distributes it from the proxy server based on destination
What is a Full Tunnel VPN?
Use one of these for guests if you are offering public WiFi to ensure they read and sign your AUP before they connect to your network, can offer device isolation for enhanced security
What is a Captive Portal?
This is the type of broadcast used by OSPF
What is Multicast?
Jane has 200 computers at her business and splits them by department, 120 to the general staff, 15 servers, 45 IoT devices, 10 accounting, and 10 HR. She has seating for 100 customers in her business. Can she add a guest network within her starting network, or will it have to exist on another network? (Assume 192.168.0.0/24 as the network she started with before subnetting)
The 192.168.0.0 full range of IPs was exhausted, she would need to add a network of some kind to have a guest network.
Shows all active network connections, also known as sockets
What is netstat -a?
Shows the configuration of a Cisco networking device
What is show config?
These two consideration must be made when looking for a server or network rack
What is the Height and Depth of the equipment?
This type of routing offers the shortest administrative distance
What is Static Routing?
This attack features replaying packets with different tags applied to achieve lateral movement on a virtually segmented network
What is VLAN Hopping?
Wolfgang's Favorite genre of music
What is Reggaeton?