Basic Device Configurations
Line that must be configured to set rules on SSH sessions
What is VTY line?
Name all types of VLANs
What is
Default VLAN, Native VLAN, Voice VLAN, Data VLAN, Management VLAN?
SVI stands for
What is Switch Virtual Interface?
Field in the routing table that represents trustworthiness of a route
What is administrative distance?
Explain an autonomous system and an autonomous system number
What is a collection or pool of routers managed/controlled by a single organization? An autonomous system number is an identifier used to differentiate between autonomous systems.
DMVPN stands for
What is Dynamic Multipoint Virtual Private Network?
This command creates an instance of a VRF in a router
What is VRF definition ___?
Commands that shows a section of a device
What is show run | section ____?
These two commands serve the same purpose when saving current configurations
What is 'write memory' and 'copy run start' (copy running-configuration startup-configuration)?
Explain the purpose of a data VLAN
What is carries user-generated traffic?
A router does this when it doesn't have a route to a destination
What is the router drops the packet?
Traceroute helps by
What is showing the path and hops to the destination?
Area that serves as the OSPF backbone
What is Area 0?
MTU stands for and allows for
What is maximum transmission unit? What is prevents packet fragmentation (break down)?
VRF's purpose
What is to split routing tables logically inside one physical router?
Command that quickly shows interface IP addresses and up/down status
What is show ip interface brief?
The mode that allows for full device configuration is
What is Global Configuration Mode?
File that stores VLANs locally
What is vlan.dat?
2 things that need to be configured on a Layer 2 Switch to establish a point to point link
What are ip routing and no switchport on the desired interface?
A fully specified route requires these two things
What are next-hop IP address and an exit interface?
Protocol with the ability to route between autonomous systems
What is BGP?
Protocol that DMVPN uses to resolve the next hop
What is Next Hop Resolution Protocol?
Name 3 types of transport VRFs
What are TDMA, FDMA, Linkway, WWRB, INET, HSINET?
Command that shows VLAN membership and associated access ports
What is show vlan brief?
Character that represents each configuration mode
What is
User Exec Mode - >
Privileged Exec Mode - #
Global Configuration Mode - (config)#
By default, a trunk port allows what VLANs through
What is all VLANs?
Describe a sub-interface
What is a virtual split/division of a physical interface for VLAN routing?
Name 5 types of static routes
What are
Standard static route, default static route, floating static route, recursive static route, directly connected static route, or fully specified static route?
Command that verifies BGP peer sessions
What is show ip bgp summary/show bgp all summary?
3 things that must match from spoke to hub
What are network-id, ip nhrp authentication, and tunnel key?
Name 3 enclaves used in the Marine Corps
What are NIPR, SIPR, and Coalition?
Command that shows IOS version and configuration register value
What is show version?
Shortcut that returns a user from any sub-configuration mode to privileged exec mode
What is Ctrl+Z?
Explain what a switch does when receiving a broadcast frame
What is the switch floods the broadcast frame out of all ports except the one it received it on?
Name 3 administrative distances and the corresponding type of route
What is
0 - Directly Connected Route
1 - Static Route
5 - EIGRP Summary Route
20 - eBGP
90 - Internal EIGRP
110 - OSPF
115 - IS-IS
120 - RIP
200 - iBGP
255 - Unknown
Major disadvantage of static routing in larger networks
What is routes need to be manually updated whenever the topology changes?
Name all algorithm types and a routing protocol that uses that algorithm
What are
Link-State Algorithm - OSPF, IS-IS, EIGRP
Distance Vector Algorithm - RIP, EIGRP
Path Vector Algorithm - BGP
Mode used for DMVPN tunneling and what does it do
What is tunnel mode gre multipoint and allows for one tunnel interface to support multiple endpoints?
Route distinguisher allows for what
What is allows for the same IP to exist in different VRFs by translating it into a globally unique address?
Status of a port will be shown as this when shutdown by the network admin
What is administratively shutdown?