Network Fundamentals
Which of the following topologies offers the highest level of redundancy?
What is a Full Mesh topology?
Signaling, cabling, connectors
Which network infrastructure device primarily makes forwarding decisions based on Layer 2 MAC addresses?
What is a Switch?
A configured port that allows the passing of VLAN traffic?
What is a trunk port?
This type of connector is used for standard Ethernet (8-pin connector)
What is RJ-45?
What type of wireless topology features the use of access points to facilitate network communications?
What is Infrastructure?
Closest to the end user, HTTP(S)
A switch has 12 ports. How many collision domains does the switch have?
What is 12?
Allows network administrators to group hosts together even if the hosts are not directly connected to the same network switch.
What are VLANs?
The industry standard order for a 568-B UTP/STP
White Orange, Orange, White Green, Blue, White Blue, Green, White Brown, Brown
Which type of network is based on network clients sharing resources with one another?
What is a Peer-to-Peer network(P2P)?
Routing, IP addresses, packets
What is the Network (3) layer?
Stands guard at the door of your network, protecting it from malicious traffic
What is a firewall?
Resolves Host Names to IP Addresses
What is DNS?
The type of connector that allows for serial connections
What is a DB-9 (RS 232)?
How many WAN links are required to create a full mesh of connections between 7 remote sites?
What is 21?
[n(n-1)\2]
MAC addresses, switches, frames
What is the Data-link (2) layer?
Allows for an encrypted connection between private networks over a public network
What is a VPN?
Automatic configuration of IP addresses
What is DHCP?
Uses multiple beams of light to transmit data over a glass cable
What is multimode fiber?
A type of network that carries multiple types of traffic
What is a converged network?
Encryption happens at this layer of the OSI Model
What is the Presentation (6) layer?
A router operating at Layer 3 primarily makes its forwarding decisions based on what address?
What is the destination IP?
What is the first DHCP message sent by a client attempting to obtain IP address information from a DHCP server?
What is DHCPDISCOVER?
A set of Media Access Control and physical layer specifications for implementing wireless local area network (WLAN)
What is the 802.11 standard?