OSI Model & Protocols
This layer is responsible for routing packets across different networks using logical addressing like IP.
What is Network Layer?
The standard 8 pin connecter used for most twisted-pair Ethernet cables.
When a device can not reach a DHCP server, it may self assign an address in the 169.254.0.0/16 range, known as this.
What is APIPA?
This command-line tool is used to test basic connectivity between hosts.
What is ping?
This security device inspects incoming and outgoing traffic to block unauthorized access based on a set of rules.
What is a Firewall?
This protocol operates on Port 443.
What is HTTPS?
This specific copper cable category can support 10 Gbps speeds up to 100 meters.
What is Cat 6a?
What are consecutive blocks of zeroes?
This tool is used to find the distance to a break in a fiber optic cable.
What is OTDR?
This type of attack floods a network with traffic from multiple sources to make a service unavailable.
What is a DDoS?
What is UDP?
Small square fiber connector referred to as the "Little Connector."
What is an LC connector?
This is the decimal value of an 8-bit octet where all bits are set to 1.
What is 255?
This hardware tool is used to trace a cable from a wall jack back to a messy patch panel by using a tone generator.
What is Tone Generator and Probe?
This security featue on a switch prevents unauthorized DHCP servers from handing out IP addresses.
What is DHCP Snooping?
This is the Protocol Data Unit found at Layer 2 of the OSI model.
What is a Frame?
What is a Switch?
This type of transmission sends a packet from one host to a specific group of interested hosts.
What is Multicast?
This command-line tool displays active TCP connections and listening ports on a local machine.
What is netstat?
This type of malware encrypts a user's data and demands payment for the decryption key.
What is Ransomware?
This PDU is associated with Layer 4 when using the TCP protocol.
What is a Segment?
This cable type is required in air-handling spaces because it does not give off toxic fumes when burned.
What is Plenum-ratd cable?
This is the private IP address range for Class B networks according to RFC 1918.
What is 172.16.0.0 to 172.31.255.255?
This is a small hardware plug used to trick a NIC into thinking it has a physical link for diagnostic purposes.
What is a Loopback Plug?
This VPN protocol uses a combination of AH and ESP to provide data integrity and confidentiality.
What is IPsec?