WAN Technologies and Port Numbers Flashcards
What is Dark Fiber?
Unused fiber optic cables from the ISP who overprepared.
What is an Ethernet WAN?
A Wide Area Network that uses ethernet technologies.
What is disruption of service?
Preventing legitimate access to resources to users that they are entitled to.
What is Identity Theft?
When personal information is stolen from the purpose for taking over the identity of someone.
What are intruders who gain access by modifying or exploiting software called?
Threat Actor
What are the four types of threats?
- Information Theft
- Data Loss and Manipulation
- Identity Theft
- Disruption of Service
What is information theft?
Breaking into a computer to obtain confidential data.
What is a vulnerability?
A degree of weakness in a network or device.
What does “TCP is a Stateful Connection” mean?
It keeps track of the state of the communication session
What protocol does DNS use?
TCP and UDP
POP3: UDP or TCP?
TCP
FTP: UDP or TCP?
TCP
SNMP: TCP or UDP?
UDP
SMTP: TCP or UDP?
TCP
DHCP: UDP or TCP?
UDP
What uses port number 21?
File Transfer Protocol (FTP) Control
What uses port number 22?
Secure Shell (SSH)
What uses port number 161?
Simple Network Management Protocol (SNMP)
What uses port number 68?
Dynamic Host Configuration Protocol (DHCP) Client
What uses port number 25?
Simple Mail Transfer Protocol (SMTP)
What uses port number 80?
Hypertext Transfer Protocol (HTTP)
What uses port number 20?
File Transfer Protocol (FTP) Data
What uses port number 69?
Trivial File Transfer Protocol (TFTP)
What uses port number 67?
Dynamic Host Configuration Protocol (DHCP) Server
What uses port number 443?
Hypertext Transfer Protocol Secure (HTTPS)
What uses port number 143?
Internet Message Access Protocol (IMAP)
What uses port number 53?
Domain Name System (DNS)
What uses port number 110?
Post Office Protocol version 3 (POP3)
What uses port number 23?
Telnet
