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Juniper JN0-664 Exam Questions 2023 - Free Practice Tests, Dumps & Answers

Proper JN0-664 exam preparation is key to succeed on test day. Using updated, free practice questions and answers for 2023 will familiarize you with the topics and format of the actual JN0-664 exam. As you study, focus on concepts like Junos routing fundamentals, VPNs, security services, high availability, and network infrastructure. Train with dumps and practice tests that emulate the real JN0-664 to benchmark your progress. With regular practice using the latest 2023 sample questions and answers, you’ll gain the knowledge and confidence to pass on your first JN0-664 attempt. Make use of all available free preparation materials to ensure you fully understand Juniper enterprise routing and can demonstrate your learning when it matters most on exam day. Come test day, you’ll feel prepared and ready to succeed.

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Question #1
01. A customer recently migrated to IS-IS and is concerned about resource starvation when the routing protocol daemon (RPD) starts. To resolve this issue and protect R2 and R3, which feature should you implement?
a. Deploy firewall filters to limit the prefix count in the route table
b. Double the policy-options damping half-life timer to let the network settle
c. Use the forwarding-options ip-options-protocol-queue parameter to increase resources
d. Implement the overload bit and timer to signal service availability
View answer
Correct Answer: D
Question #2
02. You must deploy an interprovider VPN option that ensures that the ASBRs do not need to store any VPN routes. In this scenario, which interprovider VPN option should you choose?
a. option C
b. option B
c. option A
d. option D
View answer
Correct Answer: A
Question #3
03. How are packets classified in Junos OS CoS?
a. Based on their source MAC addresses
b. Based on their destination MAC addresses
c. Based on their source and destination IP addresses
d. Based on their protocol and port numbers
View answer
Correct Answer: C
Question #4
04. What is the purpose of the cluster-list attribute within a BGP route reflector group?
a. to facilitate loop detection within the route reflector network
b. to disable internal cluster re-advertisements
c. to define the router that first advertised the route to the route reflector
d. to override the router ID value within the cluster
View answer
Correct Answer: A
Question #5
05. The link between CE1 and PE1 has a history of flapping To avoid the impact that flapping causes to the network you decide to use route damping. Which statement is correct in this scenario?
a. Dampening is enabled on interfaces
b. Dampened routes become active when their figure of merit drops below the reuse value
c. Routes become dampened when the configured max-suppress value is reached
d. Dampened routes decay at a sliding rate known as half-life
View answer
Correct Answer: B
Question #6
06. In a route reflection setup, what is the role of a route reflector client?
a. To reflect BGP routes to other route reflectors
b. To act as a central point for BGP route selection
c. To receive and propagate BGP routes within an AS
d. To advertise BGP routes to external autonomous systems
View answer
Correct Answer: C
Question #7
07. What type of addressing does IS-IS use to identify routers within an IS-IS domain?
a. IPv6 addresses
b. IS-IS System IDs
c. MAC addresses
d. IP addresses
View answer
Correct Answer: B
Question #8
08. How does BGP Layer 2 VPN establish Layer 2 connectivity between customer sites?
a. By encapsulating Layer 2 frames in IP packets
b. By exchanging MAC reachability information between provider edge routers
c.
d. By using VLAN tags to differentiate traffic between sites
View answer
Correct Answer: D
Question #9
09. Which CoS field is used to specify the desired loss priority of a packet?
a. DSCP field
b. IP precedence field
c. TOS field
d. EXP field
View answer
Correct Answer: B
Question #10
10. In BGP, which community value is commonly used to signal that a route should be advertised to all BGP neighbors?
a. No-export
b. No-advertise
c. Local-AS
d. Internet
View answer
Correct Answer: D

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