What are two Junos processes? (Choose two.)
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A. B. C. D.BD
Junos is the operating system that runs on Juniper Networks routers, switches, and security devices. It is a modular operating system consisting of various processes that are responsible for different tasks. These processes work together to provide network services, routing protocols, and security features. Here are brief explanations of two of the Junos processes mentioned in the question:
A. OSPF SPF daemon (ospfd): OSPF stands for Open Shortest Path First, which is a popular link-state routing protocol used in many networks. OSPF SPF daemon (ospfd) is a Junos process responsible for calculating the shortest path between OSPF routers using the Dijkstra algorithm. The ospfd process runs on routers that are part of an OSPF network and exchanges routing information with other routers to build a complete network topology. It then calculates the best path to reach different networks and installs routes in the routing table. The OSPF SPF daemon is essential for routing traffic within an OSPF network.
C. BGP daemon (bgpd): BGP stands for Border Gateway Protocol, which is an interdomain routing protocol used to exchange routing information between different networks on the internet. BGP daemon (bgpd) is a Junos process responsible for exchanging BGP routing information with other routers and selecting the best path to reach a particular network. BGP routers exchange routing information with their peers using TCP connections and update their routing tables accordingly. The bgpd process is crucial for routing traffic between different networks on the internet.
D. Routing protocols daemon (rpd): The Routing protocols daemon (rpd) is a Junos process responsible for managing different routing protocols running on a router. It is the central point for routing information exchange between different protocols and manages the installation of routes in the routing table. The rpd process interacts with other Junos processes such as ospfd, bgpd, and IS-IS to exchange routing information and select the best path for traffic.
B. SNMP daemon (snmpd): SNMP stands for Simple Network Management Protocol, which is a protocol used to manage and monitor network devices. SNMP daemon (snmpd) is a Junos process responsible for responding to SNMP requests from management systems such as network management tools. It provides information about the status of interfaces, routing tables, and other aspects of the device's configuration. The snmpd process is crucial for monitoring and managing Juniper Networks devices in a network.
In summary, Junos is a modular operating system consisting of various processes responsible for different tasks. The OSPF SPF daemon (ospfd) and BGP daemon (bgpd) are essential processes for routing traffic within an OSPF network and between different networks on the internet, respectively. The Routing protocols daemon (rpd) is responsible for managing different routing protocols running on a router, while the SNMP daemon (snmpd) is responsible for responding to SNMP requests from management systems.