View Full Juniper JN0-253 Exam Dumps and Practice Test Dumps.   Question 381 Which Junos firewall filter action modifier allows an administrator to track and tally matching packet statistics without altering packet forwarding behavior? count discard reject policer Correct Answer: 1 Explanation In Junos OS, the count action modifier can be attached to any firewall […]

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 […]