CERTIFICATION JUNIPER JN0-664 EXAM INFOR | JN0-664 HOTTEST CERTIFICATION

Certification Juniper JN0-664 Exam Infor | JN0-664 Hottest Certification

Certification Juniper JN0-664 Exam Infor | JN0-664 Hottest Certification

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Passing the Juniper JN0-664 exam is a significant achievement for any networking professional. Service Provider, Professional (JNCIP-SP) certification demonstrates the candidate's ability to design, implement, and support service provider networks. Service Provider, Professional (JNCIP-SP) certification also provides recognition of the candidate's skills and expertise in the field of networking. The Juniper JN0-664 Certification is highly respected in the industry and is recognized by many leading service providers around the world. With the JN0-664 certification, candidates can expand their career opportunities and increase their earning potential.

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The JNCIP-SP certification is highly regarded in the service provider industry and is recognized globally. Service Provider, Professional (JNCIP-SP) certification validates the candidate's advanced knowledge and skills in service provider routing and switching technologies, making them stand out in the job market. Service Provider, Professional (JNCIP-SP) certification also opens up new career opportunities for professionals in the service provider domain, such as network engineer, network architect, and network operations center (NOC) engineer. Overall, the Juniper JN0-664 certification exam is an excellent way for service provider professionals to demonstrate their skills and advance their careers.

Juniper JN0-664 Exam is aimed at professionals who are responsible for designing, implementing, and supporting service provider networks. JN0-664 exam is designed to test the candidate's knowledge and skills in the areas of routing, switching, and service provider technologies. The JN0-664 exam is a rigorous test that requires candidates to demonstrate their knowledge of networking technologies and their ability to apply that knowledge in real-world scenarios.

Juniper Service Provider, Professional (JNCIP-SP) Sample Questions (Q21-Q26):

NEW QUESTION # 21
A network designer would like to advertise a single summary route from R4 to IS-IS level 2 neighbors as shown in the exhibit, but the configuration is not working.

Which three configuration changes will accomplish this task? (Choose three.)

  • A. set policy-options policy-statement summary-v6 term suppress then reject
  • B. delete policy-options policy-statement summary-v6 term DC-routes from route-filter
    2001:db5:a:fa00::/61 longer
  • C. set protocols isis import summary-v6
  • D. delete protocols isis export summary-v6
  • E. set policy-options policy-statement summary-v6 term DC-routes from route-filter
    2001:dbS:a:fa00::/6l exact

Answer: A,B,E


NEW QUESTION # 22
Exhibit

CE-1 must advertise ten subnets to PE-1 using BGP Once CE-1 starts advertising the subnets to PE-1, the BGP peering state changes to Active.
Referring to the CLI output shown in the exhibit, which statement is correct?

  • A. CE-1 is advertising its entire routing table.
  • B. CE-1 is configured with an incorrect peer AS
  • C. CE-1 is unreachable
  • D. The prefix limit has been reached on PE-1

Answer: B

Explanation:
Explanation
The problem in this scenario is that CE-1 is configured with an incorrect peer AS number for its BGP session with PE-1. The CLI output shows that CE-1 is using AS 65531 as its local AS number and AS 65530 as its peer AS number. However, PE-1 is using AS 65530 as its local AS number and AS 65531 as its peer AS number. This causes a mismatch in the BGP OPEN messages and prevents the BGP session from being established. To solve this problem, CE-1 should configure its peer AS number as 65530 under [edit protocols bgp group external] hierarchy level.


NEW QUESTION # 23
Exhibit

Click the Exhibit button-Referring to the exhibit, which two statements are correct about BGP routes on R3 that are learned from the ISP-A neighbor? (Choose two.)

  • A. All BGP attribute values must be removed before receiving the routes.
  • B. By default, the next-hop value for these routes is not changed by ISP-A before being sent to R3.
  • C. The next-hop value for these routes is changed by ISP-A before being sent to R3.
  • D. The BGP local-preference value that is used by ISP-A is not advertised to R3.

Answer: B,D

Explanation:
Explanation
BGP is an exterior gateway protocol that uses path vector routing to exchange routing information among autonomous systems. BGP uses various attributes to select the best path to each destination and to propagate routing policies. Some of the common BGP attributes are AS path, next hop, local preference, MED, origin, weight, and community. BGP attributes can be classified into four categories: well-known mandatory, well-known discretionary, optional transitive, and optional nontransitive. Well-known mandatory attributes are attributes that must be present in every BGP update message and must be recognized by every BGP speaker.
Well-known discretionary attributes are attributes that may or may not be present in a BGP update message but must be recognized by every BGP speaker. Optional transitive attributes are attributes that may or may not be present in a BGP update message and may or may not be recognized by a BGP speaker. If an optional transitive attribute is not recognized by a BGP speaker, it is passed along to the next BGP speaker. Optional nontransitive attributes are attributes that may or may not be present in a BGP update message and may or may not be recognized by a BGP speaker. If an optional nontransitive attribute is not recognized by a BGP speaker, it is not passed along to the next BGP speaker. In this question, we have four routers (R1, R2, R3, and R4) that are connected in a full mesh topology and running IBGP. R3 receives the 192.168.0.0/16 route from its EBGP neighbor and advertises it to R1 and R4 with different BGP attribute values. We are asked which statements are correct about the BGP routes on R3 that are learned from the ISP-A neighbor. Based on the information given, we can infer that the correct statements are:
* By default, the next-hop value for these routes is not changed by ISP-A before being sent to R3. This is because the default behavior of EBGP is to preserve the next-hop attribute of the routes received from another EBGP neighbor. The next-hop attribute indicates the IP address of the router that should be used as the next hop to reach the destination network.
* The BGP local-preference value that is used by ISP-A is not advertised to R3. This is because the local-preference attribute is a well-known discretionary attribute that is used to influence the outbound traffic from an autonomous system. The local-preference attribute is only propagated within an autonomous system and is not advertised to external neighbors.
References: : https://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/13753-25.html :
https://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/13762-40.html :
https://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/13759-37.html


NEW QUESTION # 24
You are asked to protect your company's customers from amplification attacks. In this scenario, what is Juniper's recommended protection method?

  • A. ASN prepending
  • B. destination-based Remote Triggered Black Hole
  • C. unicast Reverse Path Forwarding
  • D. BGP FlowSpec

Answer: B

Explanation:
amplification attacks are a type of distributed denial-of-service (DDoS) attack that exploit the characteristics of certain protocols to amplify the traffic sent to a victim. For example, an attacker can send a small DNS query with a spoofed source IP address to a DNS server, which will reply with a much larger response to the victim. This way, the attacker can generate a large amount of traffic with minimal resources.
One of the methods to protect against amplification attacks is destination-based Remote Triggered Black Hole (RTBH) filtering. This technique allows a network operator to drop traffic destined to a specific IP address or prefix at the edge of the network, thus preventing it from reaching the victim and consuming bandwidth and resources. RTBH filtering can be implemented using BGP to propagate a special route with a next hop of
192.0.2.1 (a reserved address) to the edge routers. Any traffic matching this route will be discarded by the edge routers.


NEW QUESTION # 25
Which two statements are correct about a sham link? (Choose two.)

  • A. It creates an OSPF multihop neighborship between two PE routers.
  • B. It creates a BGP multihop neighborship between two PE routers.
  • C. The PEs exchange Type 1 OSPF LSAs instead of Type 3 OSPF LSAs for the L3VPN routes
  • D. The PEs exchange Type 3 OSPF LSAs instead of Type 1 OSPF LSAs for the L3VPN routes.

Answer: A,C

Explanation:
https://www.juniper.net/documentation/us/en/software/junos/ospf/topics/topic-map/configuring-ospfv2-sham-links.html


NEW QUESTION # 26
......

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