This is one way to save your changes in a router or switch configuration.
What is [write, do write, wr, do wr, copy run-start, copy running-config startup-config]?
100
This protocol operates on port 80 and allows you to visit websites.
What is HTTP (Hyper-Text Transfer Protocol)?
100
Physical bits are electronically transmitted from one device through another at this layer of the OSI model.
What is the Physical layer/Layer 1?
100
This method of routing involves manually placing a direct route to everywhere you want to go.
What is static route?
100
This well-used command will display the configurations on the device.
What is "show running-config"? [sh ru, etc.]
200
This command allows a user into a mode where they can make changes.
What is configure terminal/conf t?
200
Daily Double!!!!!
This TCP protocol operates on port 23 and allows for unencrypted text communications-such as controlling a device remotely.
What is Telnet?
200
Routers are known for operating at this layer of the OSI model.
What is the Network Layer, layer 3?
200
This routing protocol does nearly ALL the work for you and is the easiest to use-however, it is Cisco proprietary and will not work if you have any non-Cisco devices in your network.
What is EIGRP?
200
The Organizationally Unique Identifier, OUI, is this many bits long.
What is 24?
300
This command in global-config mode encrypts the passwords in the device's configuration.
What is "service password-encryption"?
300
This silly UDP protocol operates on port 69 and allows for the transportation of small files.
What is TFTP [Trivial File Transfer Protocol]?
300
This layer defines the format and organization of data (including encryption).
What is Layer 6, Presentation?
300
This routing protocol is limited to a distance of 16 hops.
What is RIP?
300
When configuring a line console or vty interface, don't forget this command after establishing your password, or the user will never be prompted to enter a password.
What is "login"?
400
In order to use RSA authentication, you must create a key. This command creates a 1024 bit encryption key.
What is "crypto key generate rsa general-keys modulus 1024"?
400
This UDP protocol that operates on port 161 allows devices to communicate hardware, software, and network information.
What is snmp? (Simple Network Management Protocol)
400
This layer defines how and when to begin and end transmissions.
What is the Session layer, layer 5?
400
This scalable, vendor-neutral routing protocol requires a Router ID to be configured, which is often associated with a loopback address.
What is OSPF?
400
In STP, this switching mode sacrifices speed for error-free switching.
What is Store & Forward?
500
This command creates an extended access list (110) that prevents host 10.0.0.1/24 from replying to pings.
What is "access-list 110 deny icmp any host 10.0.0.1 echo-reply"? (some variation allowed)
500
This port is reserved for BGP, Border Gateway Protocol communications.
What is TCP 179?
500
Among other things, firewalls and IDS's operate at this layer of the OSI model.
What is Application, layer 7?
500
EIGRP's maximum hop count (rarely reached) is this.
What is 224?
500
When terminating a crossover cable, pin 2 on one end becomes this pin on the opposite end.