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Terms in this set (48)
Local Area Network (LAN)
Network covering a small area like a home or office
Personal Area Network (PAN)
Small network used in close proximity (0-30 ft)
Network Interface Controller (NIC)
Connects devices to a physical medium
Moves traffic based on destination IP address stored in routing tables
Virtual Private Network (VPN)
Private network utilizing public infrastructure
Wide Area Network (WAN)
Network covering broad geographic area
Owned and operated by end user organizations
Broadcasts a signal to multiple output ports at once and often results in traffic collisions
Operated for the provision of communications to the public
Moves traffic based on hardware/MAC Addresses
Network Architecture that is decentralized with few or no servers
IP Address (Internet Protocol Address)
Also known as logical addresses. Ex: 220.127.116.11
A layer 1 device that strengths a signal for relay.
How many bits are in IPv4 Addresses?
What are the two ways IP addresses can be assigned?
Static and Dynamic
What are the parts of an IP address?
Network Portion, (Sometimes Subnetwork Portion), and Host Portion
Organizationally Unique Identifier (OUI)
First half of a MAC address (6 hex digits) assigned to the manufacturer of the device
In autonomous systems (AS), what is a stub network?
This Autonomous system (AS) is connected to only one other AS. A corporate network that is connected to an AS is considered to have the same AS number as the AS it is connected to.
In autonomous systems (AS), what is a transit network?
This Autonomous system (AS) is connected to more than one other AS and can be used for transit traffic between AS. They are usually administered by large Internet service providers (ISPs)
In autonomous systems (AS), what is a multi-homed network?
This Autonomous system (AS) is connected to more than one other AS but does not let transit traffic from another AS pass through itself. An example might be a corporate network with several Internet connections to different ISPs.
What are the three different port ranges?
Well-known Ports (0-1023),
Registered Ports (1024-49151),
Dynamic Ports (49152-65535),
What are the three IPv6 address types?
What is the default netmask for a Class C address?
What is the purpose of the loopback address?
It allows a device to send and receive its own data packets.
What is Network Address Translation (NAT)?
Is a process in which one or more local IP address is translated into one or more Global IP address and vice versa in order to provide Internet access to the local hosts
Class A's First Octet Range
Class B's First Octet Range
Class C's First Octet Range
What are the three main types of IPv4 Message Addressing?
Unicast, Multicast, Broadcast
What is the broadcast address for 172.16.7.82/24?
What are the special purpose addresses for IPv4?
127.0.0.0/8 - Loopback
Which class of IPv4 address provides the most host and least amount of networks?
What is Class A's private IPv4 address range?
10.0.0.0 - 10.255.255.255
What is Class B's private IPv4 address range?
172.16.0.0 - 172.31.255.255
What is Class C's private IPv4 address range?
192.168.0.0 - 192.168.255.255
Service Set Identifier (SSID)
User assigned identifier in human-readable form used in WLANs
Basic Service Set Identifier (BSSID)
The MAC address assigned to the wireless access point (WAP)
Very Small Aperture Terminal (VSAT)
Two-way satellite/ground station used in areas with little to no network cabling infrastructure
What are the layers in the OSI model?
What are the two simplification rules of IPv6 addressing?
Multiple fields of zeros can be expressed as ::, but this can be done only once per address.
Leading zeros in the address are optional. So, for an address block, 0A45 would be equal to A45, and 0000 would be equal to 0.
This type of IPv6 address would be used to transfer traffic within a LAN?
What is the correct format for an IPv6 address?
128 bits long and is arranged in eight groups, each of which is 16 bits. Each group is expressed as four hexadecimal digits and the groups are separated by colons, and each group needs at least 1 digit.
What is a MX record?
Used to tell the world which mail servers accept incoming mail for your domain and where emails sent to your domain should be routed to
What is a Name Server?
Helps browsers make connections between URLs and websites
What is an A record?
Maps a domain name to the IP address (Version 4) of the computer hosting the domain
What is an AAAA record?
Maps a domain name to the IP address (IPv6) of the computer hosting the domain
What is a NS record?
Delegates a subdomain to a set of name servers
Given the URL https://www.us.army.mil, what is considered the first subdomain?
army is the first subdomain
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