Commandos
Simple utility used to check point to point connectivity across networks
What is ping?
The first thing you should type 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 network 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?
You will use this port to securely connect to a remote terminal (service name, port number, protocol)
What is SSH Port 22 TCP?
This port is used to gather information about the IP address a domain name resolves to (service name, port number, and protocol)
What is DNS Port 53 TCP/UDP?
Used to check connectivity to all points traveled to to get to a remote host on (Windows)(Linux)
What is tracert/traceroute?
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?
This port is used to transfer small files over a network (service name, port number, protocol)
What is TFTP Port 69 UDP?
This is the secure port used by e-mail clients where the e-mail stays on the server and the client is sent a copy instead of the e-mail being deleted (service name, port number, protocol)
What is IMAPS Port 993 TCP?
Used to lookup DNS records from the Windows or Linux CLI
What is nslookup?
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?
0.0.0.192 is showing this portion of a network address, separated from the full IP by using the subnet mask
What are hosts?
With 30 possible hosts on each network, the host at 10.0.0.34 has this network address and CIDR.
What is 10.0.0.32/27?
This port is used for retrieving email where the email is deleted from the server after transmission, functionally treating the email as a physical letter (service name, port number, protocol)
What is POP3 Port 110 TCP?
This port is used to synchronize time across a network (service name, port number, protocol)
What is NTP Port 123 UDP?
Used to perform DNS queries in Linux
What is Dig?
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?
This is the smallest usable network size that an IPv4 address can have allowing a maximum of 2 hosts
What is /30 or 255.255.255.252?
These ports are used for managing and monitoring your network, you will usually see this in conjunction with the term "trap" (service name, port number, protocol)
What is SNMP ports 161/162 UDP?
This port is used for the secure transfer of hypertext documents (service name, port number, protocol)
What is HTTPS Port 443 TCP?
Shows all active network connections, also known as sockets
What is netstat -a?
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 external 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?
The ip address 192.168.65.0/23 combines these 2 traditional networks
What is 192.168.64.0/24 and 192.168.65.0/24?
A network that spans more than one traditional IPv4 network in class B will always START on an even network.
This port is used to obtain and interact with a graphical user interface of a remote Windows Professional or better host (service name, port number, protocol)
What is RDP Port 3389 TCP?
This specific combination of port numbers, protocol, and transport layers is the industry standard used to initiate both cleartext and TLS-encrypted VoIP calls (service name, port number, protocol)
What is SIP Ports 5060/5061 TCP/UDP for both?