Soho Routers Flashcards
What is network in a single location described as?
A local area network (LAN)
What is a category of LAN with a small number of computing hosts that typically rely on a single integrated appliance for local and internet connectivity?
Small office/Home office (SOHO)
Networks such as the Internet that are located in different geographic regions but with shared links are called:
Wide area networks (WAN)
The intermediate system powering SOHO networks is usually described as:
A SOHO router
What is the SOHO routers primary function?
To forward traffic between the LAN and the WAN.
What are the physical connections of the SOHO router?
A number of RJ45 ports, radio antennas, a type of modem.
What are the RJ45 ports connected by internally?
An ethernet switch
What data link functions are implemented in a SOHO router?
An ethernet switch, a wireless access point
What does the routing part of the SOHO router do?
Makes forwarding decisions between the local and private network and public internet.
How are the zones of LAN and WAN distinguished.
Internet Protocol (IP) addresses
True of False: There is no separate OSI model layer for security?
True. Security issues can arise at every layer.
How does a SOHO router implement a firewall?
By applying filtering rules to traffic sent between the public and private zones.
Which layer is a port number introduced?
Transport
What is the port for HTTP web traffic?
80
What is the port for SMTP?
25