Chapter 1 Flashcards
802.11
Frequency - Spectrum -
Speed - Range -
Compatibility -
Maximum Streams -
802.11
Frequency - 2.4 GHz
Spectrum - DSSS
Speed - 2 Mbps Range - 300’
Compatibility - None
802.11a
Frequency - Spectrum -
Speed - Range -
Compatibility -
Maximum Streams -
802.11a
Frequency - 5.0 GHz
Spectrum - DSSS
Speed - 54 Mbps Range - 150’
Compatibility - 802.11a
Maximum Streams - 1
802.11b
Frequency - Spectrum -
Speed - Range -
Compatibility -
Maximum Streams -
802.11b
Frequency - 2.4 GHz
Spectrum - DSSS
Speed - 11 Mbps Range - 300’
Compatibility - 802.11b
Maximum Streams - 1
802.11g
Frequency - Spectrum -
Speed - Range -
Compatibility -
Maximum Streams -
802.11g
Frequency - 2.4Ghz
Spectrum - OFDM
Speed - 54 Mbps Range - 300’
Compatibility - 802.11b
Maximum Streams - 1
802.11n
Frequency - Spectrum -
Speed - Range -
Compatibility -
Maximum Streams -
Maximum Throughput -
802.11n
Frequency - 2.4 GHz, 5Ghz
Spectrum - OFDM (QAM)
Speed - 150 Mbps Range - 300’
Compatibility - b, g, n2
Maximum Streams - 4
Maximum Throughput - 600 Mbps
802.11ac
Frequency - Spectrum -
Speed - Range -
Compatibility -
Maximum Streams -
Maximum Throughput -
802.11ac
Frequency - 5Ghz
Spectrum - OFDM (QAM)
Speed - 866.7 Mbps Range - 300’
Compatibility - a Maximum Streams - 8
Maximum Throughput - 6,934 Mbps
Telnet
Name?
Port #?
Description?
Telecommunication Network
tcp 23
Connect remotely to other computers or network devices.
DNS
Name?
Port #?
Description?
Domain Name System
udp 53
Converts domain names to IP addresses.
SNMP
Names?
Port #?
Description?
Simple Network Management Protocol
upd 161
Gather statistics and manages network devices.
V1, V2, Version3 offers message integrity, authentication and encryption.
TFTP
Name?
Port #?
Description?
Trivial File Transfer Protocol
udp 69
Very simple file transfer application that doesn’t use user names or passwords.
Not secure!
DHCP
Name?
Port #?
Description?
Dynamic Host Configuration Protocol
udp 67 68
Automated configuration of IP addresses, subnet masks…
SMB
Name?
Port #?
Description?
Server Message Block
tcp 445
Used by Microsoft for file sharing, printer sharing.
Also called CIFS ( Common Internet File System)
NTP
Name?
Port #?
Description?
Network Time Protocol
udp 123
Synchronizing clocks in switches, routers, firewalls, servers and workstations.
IMAP4
Name?
Port #?
Description?
Internet Message Access Protocol version4
tcp 143
Retrieves emails from servers.
RDP
Name?
Port #?
Description?
Remote Desktop Protocol
tcp 3389
Remotely connects graphically to an entire desktop or just a application.
Has clients for Windows, Mac OS, Linux and iPhones.
SIP
Name?
Port #?
Description?
Sessions Initiation Protocol
tcp 5060 5061
Voice over IP (VoIP) signaling.
Setup, manage VoIP sessions.
Call, ring and hang up
HTTPS
Name?
Port #?
Description?
Hyper Text Transfer Protocol Secure
tcp 443
Web server communication with encryption.
FTP
Name?
Port #?
Description?
File Transfer Protocol
tcp 20 21
Sends and receives files between systems.
SMTP
Name?
Port #?
Description?
Simple Mail Transfer Protocol
tcp 25
Used by clients to send mail.
Transfer email between mail servers.
SSH
Name?
Port #?
Description?
Secure Shell
tcp 22
Encrypted console login which uses PKI in the form of an RSA key.
HTTP
Name?
Port #?
Description?
Hyper Text Transfer Protocol
tcp 80
Communication between web browsers and web servers.
Protocol H.323
Name?
Port #?
Description?
ITU Telecommunication H.32x Protocol series
tcp 1720
Voice over IP signaling.
Setup and manage VoIP sessions.
Call, ring and hang up
Early VoIP standard that is still used today.
POP3
Name?
Port #?
Description?
Post Office Protocol version3
tcp 110
Receives emails from smtp servers.
This protocol is on its way out.
SFTP
Name?
Port #?
Description?
Secure File Transfer Protocol
tcp 22
