NET140 chp4 (protocols) set2

In the context of IPsec, a type of encryption that provides authentication of the IP packet’s data payload through public key techniques.

• AH (authentication header)

• ESP (encapsulating security payload)

• IKE (Internet Key Exchange)

• SSL (Secure Sockets Layer)

The act of impersonating fields of data in a transmission, such as when a source IP address is impersonated in a DRDos (distributed reflection denial of service) attack.

• Spoofing

• Phishing

• Hacking

• Spoofed Data

An entity that issues and maintains digital certificates as part of the PKI (public key infrastructure).

• CA (certificate authority)

• RA (registration authority)

• PKI (public key infrastructure)

• SSL (secure sockets layer)

A method for connecting and logging on to a server, LAN, or WAN from a workstation that is in a different geographical location.

• Remote access

• Local access

• Direct connection

• Network bridging

A standard that uses SSL/TLS to secure DNS resolution requests with a default port of 853.

• DoH (DNS over HTTPS)

• DoT (DNS over TLS)

• DNSCrypt

• DNSSEC

A type of VPN in which VPN gateways at multiple sites encrypt and encapsulate data to exchange over tunnels with other VPN gateways. Meanwhile, clients, servers, and other hosts on a site-to-site VPN communicate with the VPN gateway.

• Site-to-site VPN

• Remote Access VPN

• MPLS VPN

• SSL VPN

A file server used to remotely boot devices that don’t have their own hard drives, to collect log files from devices, or to back up and update network device configuration files.

• TFTP server

• FTP server

• HTTP server

• SFTP server

In the context of IPsec, a type of encryption that provides authentication of the IP packet’s data payload through public key techniques and encrypts the entire IP packet for added security.

• AH (authentication header)

• ESP (encapsulating security payload)

• IKE (Internet Key Exchange)

• SSL (Secure Sockets Layer)

Graphical-based access to a remote computer’s desktop.

• Remote desktop connection

• Local desktop access

• Virtual machine interface

• Network file sharing

The use of a certificate to associate public keys with certain entities.

• PKI (public key infrastructure)

• SSL (Secure Sockets Layer)

• VPN (Virtual Private Network)

• SSH (Secure Shell)