Criado por Shelby Hartsell
quase 8 anos atrás
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Questão | Responda |
LAN means | local area network |
WAN means | wide area network |
MAN | metropolitan area network |
PAN | personal area network |
Switches connect ___ | computers in a LAN |
Routers connect ___ | two or more LANs and connect LANs to the Internet |
What is a Firewall? | protect individual computers and networks from unwanted intrusion |
IDS stands for | intrusion detection system |
IPS stands for | intrusion prevention system |
UTM stands for | unified threat management |
Networking connectors are | twisted pair, fiber optic, and coaxial |
What is the 568B standard? | 1. white/orange 2. orange 3. white/green 4. blue 5. white/blue 6. green 7. white/brown 8. brown |
IPv4 addresses are ___ dotted decimal numbers | 32 bit |
IPv4 addresses can be ___ | statically inputted or dynamically assigned (DHCP) |
Class A Range IP Addresses | 1-126 |
Class A subnet mask address | 255.255.0.0 |
Class A private address | 10.x.x.x |
Class B IP Address range | 128-191 |
Class B subnet mask address | 255.255.0.0 |
Class B private address | 172.16.0.0 - 172.31.255.255 |
Class C IP address range | 192-223 |
Class C subnet mask | 255.255.255.0 |
Class C private address | 192.168.x.x |
Loopback address | 127.0.0.1 |
APIPA | 169.254.x.x |
CIDR (Classless Inter-Domain Routing addresses) use____ | a prefix. example: 10.150.23.58/24 |
IPv6 addresses are _____ numbers | 128 bit hexadecimal |
What is the loopback address of IPv6 | ::1 |
What is assigned to a single interface and are the most common type? | Unicast IPv6 addresses |
What are common network speeds? | 1000 Mb/s and 10 Gb/s |
FTP (port) | File Transfer Protocol Port 21 |
SSH (port) | Secure Shell Port 22 |
Telnet (port) | Port 23 |
SMTP (port) | Simple Mail Transfer Protocol Port 25 or Port 587 |
DNS (port) | Domain Naming System Port 53 |
HTTP (port) | Hypertext Transfer Protocol Port 80 |
POP3 (port) | Post Office Protocol Port 110 |
IMAP (port) | Internet Message Access Protocol Port 143 |
HTTPS (port) | HTTP Secure Port 443 |
SMB (port) | Server Message Block Port 445, 137-139 |
AFP | Apple Filing Protocol Port 548 or 427 |
RDP | Remote Desktop Protocol Port 3389 |
Category 3 cabling | Rated for 10 Mb/s |
Category 5 cabling | Rated for 100 Mb/s |
Category 5e cabling | rated for 100 MB/s and gigabit networks |
Category 6/6a | rated for gigabit and 10 Gb/s networks |
Category 7 | rated for gigabit and 10 Gb/s networks |
Plenum-rated cable | Fire-resistant cable, designed for airways, conduits, and areas sprinklers cannot reach |
What is the data transfer rate and frequency of 802.11a? | Data transfer rate: 54 Mb/s Frequency: 5 GHz |
What is the data transfer rate and frequency of 802.11b? | Data transfer rate: 11 Mb/s Frequency: 2.4 GHz |
What is the data transfer rate and frequency of 802.11g? | Data transfer rate: 54 Mb/s Frequency: 2.4 GHz |
What is the data transfer rate and frequency of 802.11n? | Data transfer rate: 300/600 MB/s Frequency: 5 and 2.5 GHz |
What is the data transfer rate and frequency of 802.11ac | Data transfer rate: 1.7 Gb/s and beyond Frequency: 5 GHz |
What is Bluetooth? | short-ranged technology aimed at simplifying communications and synchronization among network devices |
What is the bluetooth Class I max transmission range? | 100 meter |
What is the bluetooth Class II max transmission range? (Most Common) | 10 meters |
What is the bluetooth Class III max transmission range? (least common) | 1 meter |
What is the data transfer rate of bluetooth version 1? | 721 Kb/s |
What is the data transfer rate of bluetooth Version 2? | 2.1 Mb/s |
What is the data transfer rate of bluetooth version 3? | 24 Mb/s |
What is NAT? | Network Address Translation-- process of modifying an IP address as it crosses a router. Translates from one network to another |
What is port forwarding? | forwards an external network port to an internal IP address and port |
What is port triggering? | enables you to specify outgoing ports that your computer uses for special applications; their corresponding inbound ports open automatically when the sessions are established. |
What is DMZ? | demilitarized zone -- area of network for servers, not within LAN but between it and the Internet. Connects by third leg of firewall |
What is QoS? | Quality of Service -- attempts to prioritize streaming media (VoIP, video playback, etc.) |
What is UPnP? | Universal plug and play -- Enables network-ready devices to discover each other automatically |
What is PoE? | Power over Ethernet -- 802.3af devices that send Ethernet data and power over twisted pair cable to compliant devices. |
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