Describe the capabilities and function of TFTP/FTP in the network Purpose of FTP/TFTP TFTP TFTP Functions TFTP Reliability TFTP Connections TFTP file transfers have three phases: Transfer Identifier(TID) FTP FTP Functions FTP Control Connections FTP uses two types of connections:…
What is SSH? Secure Shell or SSH is a network protocol that allows data to be exchanged securely over a network. It is used for logging into remote servers, for executing commands remotely, and for transferring files. SSH provides secure…
Syslog is an essential logging and notification technology for Cisco networks. It collects events from devices on the network and sends them to a centralized log server, where they can be analyzed or used to generate alerts. Syslog is commonly…
SNMP, or Simple Network Management Protocol, is a network management protocol used for collecting information about devices on a network. Many vendors have implemented SNMP into their products. It is a good idea to use SNMP on a router for…
What is DHCP? DHCP (Dynamic Host Configuration Protocol) is a protocol used to assign an IP address, domain name and other configuration information to computers on a network. DHCP is usually enabled on routers and other devices that are connected…
A client by the name of Bob wants to access youtube.com on his laptop. He types in the URL in his web browser, chrome; and hit enter. The browser issues a DNS query to google’s DNS server asking for the…
What is an ACL? Use for Matching IP packets Filtering network traffic Enable router inbound and outbound interfaces It is a security feature, and acts as a security guard with the book of rules Think of it as someone(aka bodyguard)…