STUDY JUNIPER JN0-664 MATERIALS & PASS LEADER JN0-664 DUMPS

Study Juniper JN0-664 Materials & Pass Leader JN0-664 Dumps

Study Juniper JN0-664 Materials & Pass Leader JN0-664 Dumps

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Juniper JN0-664 exam is a written exam and consists of 65 multiple-choice questions. The candidate has 120 minutes to complete the exam. JN0-664 exam is available in English and is administered worldwide by Pearson VUE. The passing score for the exam is 65%.

Juniper JN0-664 exam is a certification exam that is designed for IT professionals who want to validate their knowledge and skills in the field of service provider networking. JN0-664 exam is intended for individuals who are seeking to become a Juniper Networks Certified Professional in Service Provider Routing and Switching. The JN0-664 exam is the second level of the Juniper Networks Certified Professional (JNCIP-SP) certification program and is an essential step towards becoming a certified expert in service provider routing and switching.

Upon successfully passing the Juniper JN0-664 Certification Exam, candidates will be awarded the Juniper Networks Certified Internet Professional (JNCIP-SP) certification. Service Provider, Professional (JNCIP-SP) certification is valid for three years, after which candidates must recertify by passing a current version of the JNCIP-SP exam or by completing a relevant Juniper Networks certification.

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Juniper Service Provider, Professional (JNCIP-SP) Sample Questions (Q11-Q16):

NEW QUESTION # 11
Exhibit

Referring to the exhibit, CE-1 is providing NAT services for the hosts at Site 1 and you must provide Internet access for those hosts Which two statements are correct in this scenario? (Choose two.)

  • A. You must configure a static route in the main routing instance for the 10 1 2.0/24 prefix that uses the VPN-A.inet.0 table as the next hop
  • B. You must configure a RIB group on PE-1 to leak the 10 1 2.0/24 prefix from the VPN-A.inet.0 table to the inet.0 table.
  • C. You must configure a RIB group on PE-1 to leak a default route from the inet.0 table to the VPN-A.inet.0 table.
  • D. You must configure a static route in the main routing instance for the 203.0.113.1/32 prefix that uses the VPN-A.inet.0 table as the next hop.

Answer: C,D


NEW QUESTION # 12
What is the correct order of packet flow through configurable components in the Junos OS CoS features?

  • A. Behavior Aggregate Classifier -> Multifield Classifier -> Input Policer -> Forwarding Policy Options -> Fabric Scheduler -> Output Policer -> Scheduler/Shaper/RED -> Rewrite Marker
  • B. Multifield Classifier -> Behavior Aggregate Classifier -> Input Policer -> Forwarding Policy Options -> Fabric Scheduler -> Output Policer -> Rewrite Marker -> Scheduler/Shaper/RED
  • C. Behavior Aggregate Classifier -> Multifield Classifier -> Input Policer -> Forwarding Policy Options -> Fabric Scheduler -> Scheduler/Shaper/RED -> Output Policer -> Rewrite Marker
  • D. Behavior Aggregate Classifier -> Input Policer -> Multifield Classifier -> Forwarding Policy Options -> Fabric Scheduler -> Output Policer -> Scheduler/Shaper/RED -> Rewrite Marker

Answer: D

Explanation:
Explanation
The correct order of packet flow through configurable components in the Junos OS CoS features is as follows:
* Behavior Aggregate Classifier: This component uses a single field in a packet header to classify traffic into different forwarding classes and loss priorities based on predefined or user-defined values.
* Input Policer: This component applies rate-limiting and marking actions to incoming traffic based on the forwarding class and loss priority assigned by the classifier.
* Multifield Classifier: This component uses multiple fields in a packet header to classify traffic into different forwarding classes and loss priorities based on user-defined values and filters.
* Forwarding Policy Options: This component applies actions such as load balancing, filtering, or routing to traffic based on the forwarding class and loss priority assigned by the classifier.
* Fabric Scheduler: This component schedules traffic across the switch fabric based on the forwarding class and loss priority assigned by the classifier.
* Output Policer: This component applies rate-limiting and marking actions to outgoing traffic based on the forwarding class and loss priority assigned by the classifier.
* Scheduler/Shaper/RED: This component schedules, shapes, and drops traffic at the egress interface based on the forwarding class and loss priority assigned by the classifier.
* Rewrite Marker: This component rewrites the code-point bits of packets leaving an interface based on the forwarding class and loss priority assigned by the classifier.


NEW QUESTION # 13
Refer to the exhibit.

Click the Exhibit button.
Referring to the exhibit, you must provide VRF Internet access over a single connection for VPN-A Site 1, which connects to PE-1.
Which two statements are correct in this scenario? (Choose two.)

  • A. You must use the RIB group to move interface routes from the inet . 0 table to the VPN-A. inet. 0 table.
  • B. You must use the RIB group to move a default route, which is learned through BGP, from the inet. o table to the VPN-A. inet. 0 table.
  • C. You do not need to use the RIB group to move interface routes from the inet. o table to the VPN-A. inet. 0 table.
  • D. You do not need to use the RIB group default route, which is learned through BGP, from the inet. o table to the VPN-A. inet. 0 table.

Answer: B,C

Explanation:
In the provided exhibit, the configuration involves using a RIB (Routing Information Base) group to facilitate internet access for VPN-A Site 1 through PE-1. The goal is to provide VRF Internet access over a single connection.
1. **Understanding RIB Groups**:
- RIB groups allow for the import and export of routes between different routing tables.
- In this scenario, we have two RIBs: `inet.0` (the main routing table) and `VPN-A.inet.0` (the VRF-specific routing table).
2. **Statement Analysis**:
- **A. You must use the RIB group to move a default route, which is learned through BGP, from the inet.0 table to the VPN-A.inet.0 table.**
- Correct. To provide Internet access to VPN-A, the default route (0.0.0.0/0) learned via BGP in the `inet.0` table must be made available in the `VPN-A.inet.0` table. This is done using the RIB group to import the default route.
- **B. You do not need to use the RIB group to move interface routes from the inet.0 table to the VPN-A.inet.0 table.**
- Correct. Interface routes (connected routes) are typically directly added to both the global and the VRF routing tables without needing a RIB group. These routes are known to the VRF because the interfaces are part of the VRF configuration.
- **C. You do not need to use the RIB group default route, which is learned through BGP, from the inet.0 table to the VPN-A.inet.0 table.**
- Incorrect. As discussed, the default route needs to be imported into the VRF's routing table using a RIB group to enable Internet access for the VRF.
- **D. You must use the RIB group to move interface routes from the inet.0 table to the VPN-A.inet.0 table.**
- Incorrect. Interface routes are directly associated with the VRF interfaces and are automatically known to the VRF routing table. There is no need to use a RIB group for these routes.
**Conclusion**:
The correct answers are:
**A. You must use the RIB group to move a default route, which is learned through BGP, from the inet.0 table to the VPN-A.inet.0 table.**
**B. You do not need to use the RIB group to move interface routes from the inet.0 table to the VPN-A.inet.0 table.**
**Reference**:
- Juniper Networks Documentation on RIB Groups: [RIB Groups Overview](https://www.juniper.net/documentation/en_US/junos/topics/concept/rib-groups-overview.html)
- Junos OS VPNs Configuration Guide: [Junos VPNs Configuration](https://www.juniper.net/documentation/en_US/junos/topics/concept/vpns-overview.html)


NEW QUESTION # 14
Which origin code is preferred by BGP?

  • A. Internal
  • B. External
  • C. Incomplete
  • D. Null

Answer: C

Explanation:
BGP uses several attributes to select the best path for a destination prefix. One of these attributes is origin, which indicates how BGP learned about a route. The origin attribute can have one of three values: IGP, EGP, or Incomplete. IGP means that the route was originated by a network or aggregate statement within BGP or by redistribution from an IGP into BGP. EGP means that the route was learned from an external BGP peer (this value is obsolete since BGP version 4). Incomplete means that the route was learned by some other means, such as redistribution from a static route into BGP. BGP prefers routes with lower origin values, so Incomplete is preferred over EGP, which is preferred over IGP.


NEW QUESTION # 15
You must alter class-of-service values in packets on the outbound interface of an edge router.
In this scenario, which CoS component allows you to accomplish this task?

  • A. scheduler
  • B. forwarding classes
  • C. rewrite rules
  • D. output policer

Answer: C

Explanation:
Class of Service (CoS) in networking is used to manage traffic by classifying, scheduling, and sometimes modifying packets to ensure network performance and Quality of Service (QoS). Different CoS components are used to achieve these goals. Let's analyze each option to determine which CoS component allows you to alter class-of-service values on the outbound interface of an edge router.
1. **Output Policer**:
- Policing is used to control the rate of traffic sent to or from a network interface. It can drop or remark traffic that exceeds a certain rate.
- Policing is not typically used to alter CoS values but to enforce traffic limits.
2. **Scheduler**:
- A scheduler is responsible for managing the order in which packets are transmitted out of an interface based on their CoS markings. It can allocate bandwidth and prioritize traffic.
- The scheduler manages how packets are queued and sent but does not alter the CoS values of packets.
3. **Rewrite Rules**:
- Rewrite rules are used to modify the CoS values of packets, such as DSCP (Differentiated Services Code Point) or 802.1p bits, as they exit an interface.
- Rewrite rules can alter the class-of-service values in the packet headers to match the desired policies of the outbound interface.
- Therefore, rewrite rules are the correct component for altering CoS values on an outbound interface.
4. **Forwarding Classes**:
- Forwarding classes are used to categorize packets into different traffic classes within a router for QoS handling.
- They help in defining how packets should be treated by the scheduler but do not directly modify the CoS values.
**Conclusion**:
To alter class-of-service values in packets on the outbound interface of an edge router, the correct CoS component to use is:
**C. rewrite rules**
**References**:
- Juniper Networks Documentation on CoS: [Class of Service
Overview](https://www.juniper.net/documentation/en_US/junos/topics/concept/class-of-service-overview.html)
- Junos OS CoS Configuration Guide: [Rewrite
Rules](https://www.juniper.net/documentation/en_US/junos/topics/topic-map/class-of-service-rewrite-rules.html


NEW QUESTION # 16
......

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