Country Roads
翻訳中に失われた
This was going to be a picture
Port 'em? I barely know em
Hoist the main sails
You want Daily Doubles, here's your Daily Doubles
Stuff you didn't know a month ago
100
Dynamic Routing protocol that uses up to 15 hops to determine the shortest path between routers on a network
What is RIP?
100
This protocol is responsible for obscuring your private IP address when you are navigating the internet
What is Network Address Translation/NAT?
100
What is a firewall?
100
Used for transporting secure hypertext documents (Port# and service)
What is port 443 HTTPS
100
The process DHCP goes through to assign an IP address (all steps)
What is Discover, Offer, Request, Acknowledge?
100
The subnet mask of this network (assume 192.168.1.x)
What is 255.255.255.240 or /28?
100
This refers to bundling physical links into one logical link
What is Trunking?
200
Dynamic routing protocol that efficiently exchanges routing information within an autonomous system using the Shortest Path First algorithm
What is OSPF/Open Shortest Path First?
200
This kind of NAT allows for a large number of devices to share the same external IP address
What is a Dynamic NAT?
200
This type of device includes a firewall as well as many other security focused appliances in one device
What is a Unified Threat Management/UTM?
200
The server port responsible for dynamically assigning IPs on a private network (Port# and service name)
What is DHCP Port 67?
200
Type of autoconfiguration for IPv6 networks that does not require a central server, but does not provide DNS server addresses.
What is Stateless Address Autoconfiguration/SLAAC?
200
The first available HOST IP in the bottom network
What is 192.65.2.129?
200
The method marking packets to identify which virtual LAN they belong to
What is VLAN Tagging?
300
This routing protocol is used to exchange routes between gateways of autonomous systems, enables the scale of size of the Internet
What is Border Gateway Protocol/BGP?
300
This type of NAT allows inbound connections to start from outside the network
What is a Static NAT?
300
This type of firewall is built into devices, either on their own or in a router
What is a Hardware Firewall?
300
Protocol responsible for synchronization of time on a network (Port# and service name)
What is port 123 Network Time Protocol/NTP?
300
Type of IPv6 autoconfiguration, uses a central server but gives a lot more control over how your network is configured
What is DHCPv6?
300
The broadcast IP for the network that host 192.168.0.35 is on when there are 64 possible hosts on the subnet
What is 192.168.0.63?
/26 network, 192.168.0.0 network address
300
This refers to having a backup gateway in the case of interruption of the service to one of them, uses HSRP/VRRP during failover
What is First Hop Redundancy?
400
Involves manually defining routes at every router in the path, mostly used in the absolute largest networks and special use cases in modern smaller networks
What are/is static routes/routing?
400
This protocol maps multiple private IP addresses to a single public IP address using different port numbers
What is Port Address Translation/PAT?
400
Firewall that is installed as an application on a end point computer
What is a Software Firewall?
400
Provides secure remote access to a terminal (Port# and service name)
What is Port 22 SecureSHell/SSH?
400
This helps distribute IP addresses from a remote server by acting as a proxy for clients
What is DHCP Relay?
400
192.168.0.27 and 192.168.1.62 are on the same subnet, 192.168.0.70 is on the following network, and 192.168.0.81 is on the last network, which has been assigned this CIDR value to minimize wasted IP addresses
What is /30?
Network 1 is a /26 from .1-.62, network 2 is a /28 from .65-.78
400
Use this command to see what other hosts are attached to the same routing table as you are
What is arp -a?
500
Benefits of this type of routing include automatic adjustment for network changes that adapt in real-time, ideal for larger, more complex networks with frequent changes
What is dynamic routing?
500
You use this when setting up a private game server on your home network, used to assign a public facing port to an internal private address
What is port-forwarding?
500
This type of firewall operates at layer 7, can assess the contents of a packet before deciding if it is allowed to continue
What is a Stateful Packet Inspection Firewall?
500
Provides remote access to a desktop environment (Port # and service name)
What is port 3389 Remote Desktop Protocol/RDP?
500
This is the highest level of DNS server in the hierarchy of DNS servers
What is a Root DNS Server?
500
This is the number of subnets possible when the subnet mask only has 4 0s in its binary in the network 192.168.1.0
What is 16 subnets?
500
These are the largest networks possible, they include everything needed to function on their own independent of outside networks
What is an Autonomous System?