What's the purpose of routers?
route and distribute data packets
What's the purpose of switches?
store and forward data frames
What's two capabilities does a L2/L3 provide?
both routing and switching.
Next-generation firewalls provide what capabilities?
Deep Packet Inspection (DPI) Intrusion Prevention System (IPS) Web filtering (URL filtering) Antivirus Protection
What is an end-point, and what does it do?
where two nodes connect to each other for data transmission communicates back and forth with a network
What does a server enable you do to do?
manage compute and network resources for clients and hosts.
What is a Small office/home office (SOHO)?
small private network personal and business use.
What does the term On-Premise mean?
What is the difference between single mode and multi mode fiber ?
Single Mode Allows only one mode of light to transmit over longer distances with the least attenuation. Multi Mode Allows multiple modes of light to transmit higher bandwidth over shorter distances
What is a Shared Media LAN?
Network that shares it's total available bandwidth
What is point-to-point?
One-to-One communication between two endpoints or nodes.
What is POE? What is used for?
Power over Ethernet transmit data and power over an Ethernet cable.
What are collisions on a network?
data packets that collide into each other
What are two common types of errors that occur a network?
physical or protocol related
What are mismatch duplex and or speed?
When either speed or duplex setting on either interface do not match
What's the difference between TCP (Transmission Control Protocol) vs UDP (User Datagram Protocol)? What is UDP commonly used for?
Reliable delivery protocol that uses a three way handshake of sequence numbers and acknowledgements with error correction and flow control.
Best-effort delivery without error correction or flow control Voice and video transmission)
Why is private address important?
Your network is private and not accessible by default from the outside network
Same as a Public IP address and is used for what type of communication?
IPv6 global unicast address
one to one communication
Like IPv4 private addresses and is called an IPv6...?
unique local address
They are also assigned most often?
used for communicating with other nodes on the?
IPv6 link local addresses
Anycast address are a one to anyone IP address that is sent to what?
closet member of the group.
Represent a dynamic group of hosts and identifies multiple interfaces?
IPv6 multicast address
What the purpose of a IPv6 EUI-64 address used for?
automatically assign IPv6 host addresses to an interface.
What the purpose of encryption?
encoding of data for secure and private transmission
What is virtualization?
Creating a virtual replica of something into software
What two ways are MAC addresses learned?
Address resolution protocol Frame Flooding/Broadcast
What is Frame switching?
Divide and encapsulating data into frames
What is Frame Flooding?
Flooding all ports with a broadcast message except the port where it originated from.
What the purpose of a MAC address table?
Storing MAC address and port interfaces to forward data in/out physical interfaces
What is a passive interface responsible for?
Ignoring routing updates by still routing data