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182 Cards in this Set
- Front
- Back
ARP |
Address Resolution Protocol |
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BOOTP |
Bootstrap Protocol |
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DHCP |
dynamic host configuration protocol |
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DNS |
Domain Name System |
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HTTP |
Hypertext transfer protocol |
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HTTPS |
Hypertext transfer protocol secure |
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IGMP |
Internet Group Management Protocol |
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IMAP |
Internet message access protocol |
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IMAP4 |
Internet message access protocol version 4 |
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LDAP |
Lightweight directory access protocol |
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LDAPS |
Lightweight directory access protocol over SSH |
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MGCP |
media gateway control protocol |
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netBIOS |
Network Basic input/output system |
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NNTP |
Network News transport protocol |
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NTP |
network time protocol |
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POP3 |
Post Office protocol version 3 |
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RDP |
remote desktop protocol |
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RSH |
remote shell |
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RTP |
realtime transport protocol |
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RTSP |
realtime streaming protocol |
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SCP |
secure copy protocol |
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SFTP |
secure FTP |
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SIP |
session initiated protocol |
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SMB |
server message block |
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SMTP |
simple mail transfer protocol |
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SNMP |
Simple network management protocol |
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SNMP Trap |
Simple network management protocol trap |
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SNTP |
Simple Network Time Protocol |
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SSH |
Secure shell |
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TFTP |
Trivial file transfer protocol |
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TLS |
transport layer security |
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Purpose of ADP |
Maps an IP address to a MAC address |
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Definition of BOOTP |
Predecessor to the DHCP that provides IP addresses automatically |
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Purpose of DHCP |
dynamically assigns IP address information to a network device |
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Purpose of DNS |
resolves domain names to corresponding IP address |
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purpose of FTP |
Transfers files with a remote host (requires authentication of user credentials); connection oriented data file transfer |
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Purpose of H.323 |
Signaling protocol that provides multimedial communications over a network |
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Purpose of HTTP |
retreives content from a web server; provides access to files through a web browser |
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Purpose of HTTPS |
used to securely retrieve content from a web server; login to secure access to a website |
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Purpose of IGMP |
Manages multicast groups |
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Purpose of IMAP |
retrieves email from an email server |
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Purpose of IMAP4 |
retrieves email from an email server; always connected email retrieval |
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Purpose of LDAP |
provides directory services to network clients (user directory) |
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Purpose of LDAPS |
secure version of providing directory services to network clients |
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Purpose of MGCP |
used as a call control and communicatin protocol for voice over IP networks |
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Purpose of NetBIOS |
provides network communication services for LANs that use NetBIOS |
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NNTP purpose |
supports the posting and reading of articles on usernet news servers |
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Purpose of NTP |
used by a network device to synchronize its clock with a time server (NTP server); Provides for clock synchronization |
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Purpose of POP3 |
retrieves email from an email server; access email remotely as prompted by the user |
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Purpose of RDP |
Microsoft protocol that allows a user to view and control the desktop of a remote computer |
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RSH purpose |
allows commands to be executed on a compuer from a remote user |
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Purpose of RTP |
used for delivering media based data through the network (ie: voice over IP); improved streaming audio/video delivery over the internet; caries voice and interactive video |
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RTSP purpose |
communicates with a media server and controls the playback of the server's media files |
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purpose of SCP |
Provide a secure file transfer service over an SSH connection and offers a file's original date and time information, not available with FTP |
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Purpose of SFTP |
provides FTP file transfer service over an SSH connection |
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Purpose of SIP |
used to create and end sessions for one or more media connections, including VoIP calls, signalling, setup and managment protocol used with voice and video session over IP networks, in conjunction with other networks; also specifies the encoder/decoder that will be used for voice and video connections over the network |
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Purpose of SMB |
used to share files, printers and other network resources |
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SMTP purpose |
used for sending mail, transfer of email between servers |
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SNMP |
used to monitor and manage network devices; remotely monitor and manage network devices |
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SNMP Trap purpose |
notification from SNMP agent to an SNMP manager |
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SNTP purpose |
supports synchronication among network devices, similar to NTP, although this uses less complex algorithm in its calculation and is slightly less accurate than NTP |
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SSH purpose |
used to securely connect to a remote host via terminal emulator; secure connection to manage remote devices |
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Purpose of TelNET |
Used to connect to a remote host via a termina emulator; older method of accessing remote device; has no security |
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Purpose of TFTP |
transfer files with a remote host (does not require authentication of user credentials); connectionless data file transfer |
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Purpose of TLS |
authentication and encryption process for retreiving web pages securely |
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Port numbers for DHCP |
UDP: 67, 68 |
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Port numbers for DNS |
TCP and UDP: 53 |
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Port numbers for FTP |
TCP: 20, 21 |
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Port number for H.323 |
TCP: 1720 |
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Port number for HTTP |
TCP: 80 |
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Port numbers for HTTPS |
TCP: 443 |
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Port numbers for IMAP and IMAP4 |
TCP: 143 |
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Port numbers for LDAP |
TCP: 389 |
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LDAPS port numbers |
TCP: 636 |
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MGCP port numbers |
UDP: 2427, 2727 |
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NetBIOS port numbers |
TCP: 139 UDP: 137, 138 |
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Port numbers for NNTP |
TCP: 119 |
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NTP port numbers |
UDP: 123 |
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POP3 port numbers |
110 |
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RDP port numbers |
TCP: 3389 |
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RSH Port number |
TCP: 514 |
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RTP port numbers |
TCP and UDP: 5004 and 5005 |
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RTSP port numbers |
TCP and UDP: 554 |
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SCP Port numbers |
TCP: 22 |
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SFTP port numbers |
TCP: 22 |
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SIP port numbers |
TCP: 5061 UDP: 5060 |
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SMB port numbers |
TCP: 445 |
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SMTP port numbers |
TCP 445 |
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SNMP port numbers |
UDP: 161 |
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Port numbers for SNMP Trap |
TCP and UDP: 162 |
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SNTP port numbers |
UDP: 123 |
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SSH port number |
TCP: 22 |
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Telnet Port number |
TCP: 23 |
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TFTP port number |
UDP: 69 |
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PBX |
Private Branch Exchange |
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purpose of IP Phone |
digitizes the spoken voice, packetizes it and sends it out over a data network via the phone's ethernet port |
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Purpose of a call agent |
Repository for a VoIP network's dial plan |
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Gateway purpose |
Acts as a translater between two different telephony signaling environments |
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Purpose of PBX |
Privately wired telephone switch traditionally used in corporate telephony system |
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Purpose of analog phone |
traditional telephone |
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WAN |
wide area network |
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CAN |
Campus area network |
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MAN |
metropolitan area network can be fiber or wireless |
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WLAN |
wireless LAN |
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PAN |
Personal area network |
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LAN |
local area network interconnects network components within a local area |
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SAN |
storage area network transmits stored data |
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SCADA |
supervisory control and data acquisition |
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PLC |
programming logic circuit |
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nfc |
near field communications |
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uwb |
ultra wide band |
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ICS |
industrial control systems |
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FOTA |
firmware over the air |
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RTU |
remote terminal unit |
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purpose of SCADA |
MONITORY AND DATA COLLECTION IN AN ENTERPRISE FOR CONTROLLING DEVICES EITHER THROUGH DIRECT AUTOMATION OR INDIRECT MANUAL OVERRIDES |
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purpose of PLC |
DEDICATED CIRCUITS OF LIMITED SIZE THAT USED IN SMALL ENDPOINT DEVICES (THERMOSTATS, SENSORS) |
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Purpose of NFC |
FOR CLOSE PROXIMITY TRANSACTIONS (CELL PHONES) |
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Purpose of RFID |
USE OF RADIO WAVES STRONG ENOUGH TO CREATE A CURRENT IN AN ANTENNA TAG THAT CAN CAUSE IT TO RESPOND OVER A VERY SHORT RANGE |
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purpose of UWB |
WEAK RF SIGNAL USED IN MEASURING DISTANCE TO AN OBJECT IN ASSET TRACKING |
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Purpose of ZWave |
ZIGBEE LOW POWER, SHORTRANG, STANDARD FOR SENSING AND CONTROL WITHIN NETWORKS; SMALL IN SIZE |
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purpose of structure attenuation |
LOSS OF SIGNAL AS IT MOVES THROUGH OBSTACLES SUCH AS WALL OR OTHER INTERFERENCE |
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purpose of ICS |
CATCH ALL TERM TO SIGNIFY INDUSTRIAL AUTOMATION WHICH MULTIPLE COMPONENTS WORK FOR A COORDINATED PURPOSE |
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Purpose of FOTA |
METHOD OF MAINTAINING AND UPDATING SOURCE CODE IN IOT DEVICES |
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purpose of RTU |
ENDPOINT OF A SYSTEM THAT COMMUNICATES WITH THE MASTER TERMINAL UNIT OR SCADA SYSTEM TO PROVIDE TELEMETRY DATA AND RECEIVE CONTROL INSTRUCTIONS |
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Domain server name |
serves as a resource to match up fully qualified domain names with IP addresses |
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Email Server |
provides a way to receive, store and forward email messages on behalf of email clients |
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Network address translation server |
substitutes public addresses for private addresses |
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web proxy |
Caches recently visited web pages to reduce bandwidth consumption and speed up response time |
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DHCP server |
Automatically provides IP addresses to requesting clients |
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FTP server |
Performs data file transfers based on connection oriented rule set |
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domain controller |
Provides for authentication and resource authorization to users logging to a network |
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VPN server |
Provides a secure connection that encrypts the original data and all the original headers |
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NTP server |
Used to provide a common time to network notes |
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purpose of NGFW |
Next generation firewall; connect to the cloud for the latest updates in global threats |
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SDN controller |
Software Defined Networking Controller; distributing control plane instructions to network devices downstream for their configuration and management |
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Purpose of A (DNS |
address record maps a hostname to an IPv4 address |
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Purpose of AAAA (DNS) |
an IPv6 address; record maps a hostname to an IPv6 address |
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CNAME (DNA) |
canonical name; record is an alias of an existing record; allowing multiple DNS records to map to the same IP address |
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MX (DNS) |
mail exchange; record maps; a domain name to an email/message transfer agen server for that domain |
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NS (DNS) |
delegates a DNS zone to use the given authoritative name servers |
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PTR (DNS) |
a pointer record points to a canonical name; commonly used when performing a reverse DNS lookup, which is a process used to determine what domain name is associated with a known IP address |
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SOA (DNS) |
a start of authority record provides authoritative information about a DNS zone, such as email contact information for the zone's administrator, the zone's primary server and various refresh timers |
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SRV (DNS) |
a generalized service location record. Used for newer protocols instead of creating protocol -specific records such as MX |
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TXT (DNS) |
arbitrary human readable text in a DNS record. since the early 1990's, this record carries machine readable data, such as specified by RFC 1464, opportunistic encryption, Sender Policy Framework (SPF) or Domainkeys Identified Mail (DKIM) |
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DHCP discover |
broadcast packet that is used to elicit a DHCP offer from a DHCP server |
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7/8 |
maximum amount of time that a clinet is forced to renew its DHCP address from the existing DHCP server |
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ipconfig/regiserdns |
causes all local DHCP addresses to be refreshed and renewed with the DNS server |
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DHCPOPTION |
addtional information that a DHCP server can provide the client for maximum use of the TCP/IP settings |
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Lease period |
period of time that a client can claim an IP address provided by DHCP |
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DHCPOffer |
an attempt by a DHCP server to present a requesting client a valid IP address from its scope or pool of available addresses |
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DHCPack |
last step in a successful DHCP/IP address assignment |
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255.255.255.255.67 |
initial socket address that makes it possible for all hosts to process the packet to find out if they are configured to be a DHCP server |
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Reservation |
ip address that a specific MAC address is assigned and which cannot be assigned to any other MAC address |
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ipconfig/renew |
command that directs a computer to reinitialize contact with the DHCP server and restart the lease period timer |
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DHCPRequest |
Client response to accept a DHCP server offer |
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Single Mode Cabling |
8-10 micron diameter long distance cable used with laser diode generated signals for fiber optic networking |
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Multi Mode cabling |
50-62.5 micron diameter cable that allows multiple optical frequencies to travel in the core simultaneously |
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LC |
Lucent Connectors; high density fiber designed by Lucent to be used in fiber optic networks |
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SC |
square connector with a spring loaded coupling to improve performance |
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APC |
a fiber connector that is polished at an angle where it connects to another fiber connector in order to minimize signal loss; angled physical contact |
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MTRJ |
Media termination recommended jack; fiber connector smaller than the typical SC connector |
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GBIC |
gigabyte interface converters; a first generation supplementary interface adaptor that converts/allows 1 Gbps conversion from fiber optic to twisted pair or vice versa |
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SFP |
Small form factor pluggable (tranceiver) |
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Purpose of SFP+ |
small form factor interface that supports up to 16 Gbps fiber optic data traffic |
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QSFP |
quad small form factor pluggable |
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purpose of QSFP |
A transceiver with a small enough form factor that it can plug into a network interface but allow conversion of electrical Ethernet to fiber optic at up to 28Gbps |
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RG-6 |
coaxial cable commonly used in cable TV, satellite, and broad band internet installation |
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RJ-45 |
used to terminate a Cat5 cable into an 8 pin connector |
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Cat 5e |
gigabyte ethernet twisted pair rated to support up to 1 gbps |
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Cat 6 |
Gigabyte ethernet twisted pair cable rated to support up to 10 Gbps |
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Crossover Cable |
cable that is terminated to allow transmissions to smooth |
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Console Cable |
cable termination suitable for use with direct network device management |
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TIA/EIA 568 |
cat 5 cable termination using split pair wiring at the ends |
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Plenum |
use of cabling with sheathing rated to be flame resistant |
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What are the OSI layers |
Physical Data Link Network Transport Session Presentation Application |
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Client |
Device an end user uses to access a network (ex: laptop, workstation) |
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Server |
Serves resources to a network |
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Hub |
interconnects to various network components; receives traffic in a port |
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Switch |
interconnects network components; interrogates traffic to see where it's destined. forwards traffice out of the appropriate port |
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Router |
Layer 3 device; forwards decisions based on logical network addresses |
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media |
item that interconnects with the devices, whether it be copper, fiber optic or air. |
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IEEE |
Institute of Electrical and Electronic Engineers |