QUIZ UPDATED JN0-664 - SERVICE PROVIDER, PROFESSIONAL (JNCIP-SP) VALID VCE DUMPS

Quiz Updated JN0-664 - Service Provider, Professional (JNCIP-SP) Valid Vce Dumps

Quiz Updated JN0-664 - Service Provider, Professional (JNCIP-SP) Valid Vce Dumps

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The JN0-664 certification exam is a professional level exam, which means that it is intended for individuals who have a significant amount of experience in the service provider industry. JN0-664 exam consists of 65 multiple-choice questions, and individuals are allotted 120 minutes to complete the exam. The passing score for the JN0-664 Exam is 65%, and individuals who pass the exam will receive the JNCIP-SP certification.

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Juniper Service Provider, Professional (JNCIP-SP) Sample Questions (Q27-Q32):

NEW QUESTION # 27
A network is using IS-IS for routing.
In this scenario, why are there two TLVs shown in the exhibit?

  • A. Wide metrics have specifically been requested.
  • B. The interface specified a metric of 100 for L2.
  • C. Both IPv4 and IPv6 are being used in the topology.
  • D. There are both narrow and wide metric devices in the topology.

Answer: D


NEW QUESTION # 28
Exhibit

Referring to the exhibit, you are receiving the 192.168 0 0/16 route on both R3 and R4 from your EBGP neighbor You must ensure that R1 and R2 receive both BGP routes from the route reflector In this scenario, which BGP feature should you configure to accomplish this behavior?

  • A. multipath
  • B. add-path
  • C. multihop
  • D. route-target

Answer: B

Explanation:
BGP add-path is a feature that allows the advertisement of multiple paths through the same peering session for the same prefix without the new paths implicitly replacing any previous paths. This behavior promotes path diversity and reduces multi-exit discriminator (MED) oscillations. BGP add-path is implemented by adding a path identifier to each path in the NLRI. The path identifier can be considered as something similar to a route distinguisher in VPNs, except that a path ID can apply to any address family. Path IDs are unique to a peering session and are generated for each network3. In this question, we have a route reflector (RR) that receives two routes for the same prefix (192.168.0.0/16) from an EBGP neighbor. By default, the RR will only advertise its best path to its clients (R1 and R2). However, we want R1 and R2 to receive both routes from the RR. To achieve this, we need to configure BGP add-path on the RR and enable it to send multiple paths for the same prefix to its clients.


NEW QUESTION # 29
Which statement is true regarding BGP FlowSpec?

  • A. It is used to protect a network from denial-of-service attacks dynamically
  • B. It verifies that the source IP of the incoming packet has a resolvable route in the routing table
  • C. It uses a remote triggered black hole to protect a network from a denial-of-service attack.
  • D. It uses dynamically created routing policies to protect a network from denial-of-service attacks

Answer: D

Explanation:
BGP FlowSpec is a feature that extends the Border Gateway Protocol (BGP) to enable routers to exchange traffic flow specifications, allowing for more precise control of network traffic. The BGP FlowSpec feature enables routers to advertise and receive information about specific flows in the network, such as those originating from a particular source or destined for a particular destination. Routers can then use this information to construct traffic filters that allow or deny packets of a certain type, rate limit flows, or perform other actions1. BGP FlowSpec can also help in filtering traffic and taking action against distributed denial of service (DDoS) attacks by dropping the DDoS traffic or diverting it to an analyzer2. BGP FlowSpec rules are internally converted to equivalent Cisco Common Classification Policy Language (C3PL) representing corresponding match and action parameters2. Therefore, BGP FlowSpec uses dynamically created routing policies to protect a network from denial-of-service attacks.
References: 1: https://www.networkingsignal.com/what-is-bgp-flowspec/ 2:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bgp/configuration/xe-16/irg-xe-16-book/bgp-flowspe


NEW QUESTION # 30
What is the correct order of packet flow through configurable components in the Junos OS CoS features?

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

Explanation:
https://www.juniper.net/documentation/us/en/software/junos/cos/topics/concept/packet-flow-cos- process-cos-config-guide.html


NEW QUESTION # 31
A router running IS-IS is configured with an ISO address of 49.0001.00a0.c96b.c490.00.
Which part of this address is the system ID?

  • A. c490 is the system identifier.
  • B. 00a0.c96b.c490 is the system identifier.
  • C. c96b.c490 is the system identifier.
  • D. 0001.00a0.c96b.c490 is the system identifier.

Answer: B

Explanation:
In IS-IS (Intermediate System to Intermediate System) routing, each router is identified by a unique ISO (International Organization for Standardization) address, also known as a Network Entity Title (NET). The NET consists of three parts:
1. **Area Identifier**: Indicates the area to which the router belongs.
2. **System Identifier**: Uniquely identifies the router within the area.
3. **NSAP Selector (NSEL)**: Typically set to 00 for a router, indicating the Network Service Access Point.
The format of the ISO address is `49.XXXX.YYYY.YYYY.ZZZZ.ZZZZ.00`, where:
- `49` is the AFI (Authority and Format Identifier) indicating a private address.
- `XXXX` is the Area Identifier.
- `YYYY.YYYY.YYYY` is the System Identifier.
- `ZZZZ.ZZZZ` is the NSAP Selector.
Given the address `49.0001.00a0.c96b.c490.00`:
- **Area Identifier**: `49.0001`
- **System Identifier**: `00a0.c96b.c490`
- **NSAP Selector**: `00`
**Explanation**:
- **A. 00a0.c96b.c490 is the system identifier**:
- Correct. The System Identifier in an ISO address is a 48-bit (6-byte) field used to uniquely identify the router. In this address, `00a0.c96b.c490` is the correct 6-byte System Identifier.
- **B. 0001.00a0.c96b.c490 is the system identifier**:
- Incorrect. This includes the Area Identifier as part of the System Identifier, which is not correct.
- **C. c96b.c490 is the system identifier**:
- Incorrect. This is only part of the System Identifier. The full System Identifier must be 6 bytes long.
- **D. c490 is the system identifier**:
- Incorrect. This is an incomplete and incorrect part of the System Identifier.
**Conclusion**:
The correct part of the address that represents the System Identifier is:
**A. 00a0.c96b.c490 is the system identifier.**
**References**:
- Juniper Networks Documentation on IS-IS: [IS-IS
Configuration](https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/isis-configuring.h
- ISO/IEC 10589, the IS-IS routing protocol standard.


NEW QUESTION # 32
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