View Full Juniper JN0-664 Exam Dumps and Practice Test Dumps.   Question 1 Which protocol is commonly used as a link-state IGP? OSPF BGP LDP RSVP Correct Answer: 1 Explanation: OSPF is a link-state Interior Gateway Protocol used to exchange routing information within an autonomous system. It allows routers to maintain a detailed database describing […]

View Full Juniper JN0-664 Exam Dumps and Practice Test Dumps.   Question 21 Which protocol provides fast neighbor failure detection? RSVP BFD LDP SNMP Correct Answer: 2 Explanation: Bidirectional Forwarding Detection, or BFD, is designed to detect failures between neighboring network devices very quickly. It establishes a lightweight session between endpoints and continuously exchanges control […]

View Full Juniper JN0-664 Exam Dumps and Practice Test Dumps.   Question 41 Which protocol uses link-state advertisements for topology exchange? RIP BGP OSPF DHCP Correct Answer: 3 Explanation: OSPF uses Link-State Advertisements, commonly called LSAs, to distribute information about network topology among participating routers. These advertisements allow routers to build their link-state databases and […]

View Full Juniper JN0-664 Exam Dumps and Practice Test Dumps.   Question 61 Which protocol establishes routing adjacencies using hello packets? OSPF BGP LDP SNMP Correct Answer: 1 Explanation: OSPF uses Hello packets to discover neighboring routers and establish OSPF adjacencies. These packets are transmitted periodically through enabled OSPF interfaces and contain information required for […]

View Full Juniper JN0-664 Exam Dumps and Practice Test Dumps.   Question 81 Which protocol calculates shortest paths from topology information? OSPF BGP LACP SNMP Correct Answer: 1 Explanation: OSPF calculates shortest paths by using its link-state database to understand the network topology. Each participating router exchanges link-state information, builds a synchronized database, and then […]

View Full Juniper JN0-664 Exam Dumps and Practice Test Dumps.   Question 101 Which protocol resolves IPv6 neighbors using multicast discovery? ICMPv6 Neighbor Discovery IPv4 ARP BOOTP relay Ethernet pause Correct Answer: 1 Explanation: IPv6 does not use ARP for resolving neighboring devices. Instead, IPv6 uses Neighbor Discovery Protocol, which operates through ICMPv6 messages. Neighbor […]

View Full Juniper JN0-664 Exam Dumps and Practice Test Dumps.   Question 121 Which protocol provides gateway redundancy for connected hosts? VRRP PIM RSVP GRE Correct Answer: 1 Explanation: Virtual Router Redundancy Protocol, or VRRP, provides first-hop gateway redundancy for hosts on an IP network. Multiple routers can participate in a virtual-router arrangement, while one […]

View Full Juniper JN0-664 Exam Dumps and Practice Test Dumps.   Question 141 Which protocol establishes encrypted tunnels between network endpoints? IPsec VRRP OSPF LLDP Correct Answer: 1 Explanation: IPsec provides security mechanisms for protecting IP communication between network endpoints. Depending on the configured architecture, IPsec can authenticate peers, protect packet integrity, and encrypt traffic […]

View Full Juniper JN0-664 Exam Dumps and Practice Test Dumps.   Question 161 Which routing protocol uses a link-state database? RIP OSPF BGP PIM Correct Answer: 2 Explanation: OSPF is a link-state routing protocol that maintains a database describing the network topology within its routing domain. Routers exchange link-state information with neighbors and use that […]

View Full Juniper JN0-664 Exam Dumps and Practice Test Dumps.   Question 181 Which IS-IS device performs DIS election on broadcast networks? Designated Intermediate System Routing Engine Area Border Router Label Switching Router Correct Answer: 1 Explanation: In IS-IS, the Designated Intermediate System, commonly called the DIS, is elected on broadcast-capable networks. The DIS creates […]

View Full Juniper JN0-664 Exam Dumps and Practice Test Dumps.   Question 201 Which Junos command displays current ARP table entries? show arp show ipv6 neighbors show interfaces media show route summary Correct Answer: 1 Explanation: The show arp command displays IPv4 address-to-MAC address mappings maintained by the device. ARP allows an IPv4 device to […]

View Full Juniper JN0-664 Exam Dumps and Practice Test Dumps.   Question 221 Which IS-IS level carries information between different areas? Level 1 Level 2 Level 0 Level 3 Correct Answer: 2 Explanation: IS-IS uses hierarchical levels to organize routing information. Level 1 routers primarily maintain routing information within their local area, while Level 2 […]

View Full Juniper JN0-664 Exam Dumps and Practice Test Dumps.   Question 241 Which Junos command displays active firewall filter counters? show firewall show policy show security flow show firewall family inet Correct Answer: 1 Explanation: The show firewall command provides operational information about configured firewall filters and their associated counters. Firewall filters can contain […]

View Full Juniper JN0-664 Exam Dumps and Practice Test Dumps.   Question 261 Which Junos technology enables nonstop routing during control-plane failures? GRES Port mirroring IGMP snooping Configuration groups Correct Answer: 1 Explanation: Graceful Routing Engine Switchover, or GRES, is a Junos high-availability feature designed to reduce disruption when a Routing Engine switchover occurs. It […]

View Full Juniper JN0-664 Exam Dumps and Practice Test Dumps.   Question 281 Which Junos service automatically records operational system messages? Syslog NETCONF RADIUS DHCP Correct Answer: 1 Explanation: Syslog provides a mechanism for recording and forwarding system-generated messages. Junos devices can generate messages related to system operations, interfaces, authentication, routing, hardware conditions, and other […]