OBJ 3 Flashcards
(19 cards)
OBJ 3.2
SNMPv3
Authentication and encryption- core features
OBJ 3.2
Trap
Asynchronous notification from the agent to the manager
OBJ 3.2
Verbose Trap
contain all the info about a given alert or event
OBJ 3.2
Granular
contain unique object identifier (OID) number and a value for that OID
OBJ 3.2
Channel Bonding
Two adjacent frequency band combined to increase throughput
OBJ 3.4
Recursive lookup
The process where NDS resolver queries other servers on behalf of client
OBJ 3.4
Precision Time Protocol (PTP)
Designed for networks where high precision is crucial, offering sub-microsecond accuracy, making it ideal for industrial control systems where timing is critical to both efficiency and safety
OBJ 3.4
DHCP Relay
Host that forwards DHCP packets between clients and servers in different subnets
OBJ 3.4 DNS Zones
Forward Zone
maps domain names to their corresponding ip address
OBJ 3.4 DNS Zones
Authoritative zone
server has authority to manage the dns records for a specific domain
OBJ 3.4 DNS Zones
Secondary zone
provide redundancy and load balancing for primary
OBJ 3.4 DNS Zones
Reverse zone
map ip address to domain names
OBJ 3.5
SSL VPN
Uses the Secure Sockets Layer protocol in a standard web browser to provide secure, remote-access VPN capability
DNS over TLS (DoT)
Encrypts DNS queries and responses, providing protection against eavesdropping by external attackers
DNS over HTTPS (DoH)
Operates on DNS port (port 853), secure dns traffic without altering standard dns traffic flow.
DNSSEC
Data integrity and authenticity. No encrption for dns queries and responses
Management information Base (MIB)
dictionary or bluprint of all the SNMP -readable/settable variables
Jump Box
Used by administrators to securely access and manage other systems within the network. Within internal networks
Network Operations Center
Centralized location from which IT professionals monitor, manage, and maintain a telecommunications or data network.
