Thursday, 7 September 2017

Juniper JN0-661 Question Answer

A PE provides VLAN VPLS service to a CE attached with two links. You want to prevent Layer 2 loops and provide link redundancy.
Which two actions will accomplish this task? (Choose two.)

A. Place both interfaces in a link aggregation group.
B. Configure different VLANs on each interface.
C. Configure all VLANs on both interfaces, on the PE, and on the CE.
D. Configure Spanning Tree Protocol between the PE and the CE.

Answer: BD


Click the Exhibit button.
R1 is exporting 2000:FEFE:100::/64 to R2 over the EBGP peering session as shown in the exhibit.








What will R1 use for this route's protocol next hop when advertising it to R2?

A. 2000:FEFE:89::1
B. 172.16.1.1
C. 10.1.1.1
D. ::FFFF:172.16.1.1

Answer: B

Wednesday, 21 June 2017

New Juniper Networks Products, Services Focused On Agility

Juniper's new Cloud-grade networking offerings are designed for both the enterprise and service providers.


Juniper on Tuesday is launching new cloud-grade networking offerings designed to help companies and service providers become more agile.

Specifically, Juniper is trying to address a number of barriers to agility faced by businesses, such as innovation, maintaining the cost of the network and moving forward with existing assets, said Donyel Jones-Williams, Juniper's chief marketing officer.

With this in mind, the company is introducing the June Node Slicing service model, which allows operators to run multiple services or instances on the same router, each with its own administrative domain. Node Slicing effectively brings virtualization to the network and the routers themselves, Jones-Williams explained to ZDNet, creating agility and efficiency in terms of deploying new features.

Juniper is also deploying a universal chassis, enabling customers to standardize deployment of routing and switching across the data center, core and network edge. The universal chassis supports PTX10008, PTX10016, QFX10008, QFX10016 and MX line cards.

"You no longer have to wait months to offer new functionality or a new line card with additional capability based on chassis design," said Jones-Williams. "We now have the ability to advance independent routing types to each other ... so you can innovate at a much faster pace."

Meanwhile, Juniper's new professional services focus on automation. The first new service provides seamless integration of network infrastructure to automate design, test, deployment, and audit network environments. The second service takes automation to the next level, so it is event driven. In other words, a network event, such as deploying a new server, would trigger other events to generate and complete the entire IT workflow.

Juniper is also introducing enhancements to its NorthStar controller around real-time visibility into network traffic and telemetry.

Thursday, 4 May 2017

Juniper JN0-661 Question Answer

You are connecting your OSPF router to your customer's RIP router and redistributing the customer's routes into your OSPF domain. Your OSPF routes is part of an NSSA and the ABR is injecting an OSPF default route, which you have advertised to your customer. After committing the configuration, you notice a routing loop between your OSPF router and the customer's RIP router. Which action must you perform on your OSPF router to solve this problem?

A. Enable Type 7-to-Type 5 LSA conversion.
B. Set the customer-facing interface to passive.
C. Convert the area to a stub area.
D. Change the OSPF external route preference.

Answer: D


Referring to the exhibit button, you are asked to ensure that traffic destined for the 5.5.5.0/24 network must use the LSP named Top. Which two actions would you perform to accomplish this task? (Choose two.)

A. Apply the policy as an import policy for BGP on R1.
B. Create a routing policy that matches the route 5.5.5.0/24 with an action of install-nexthop lsp Top.
C. Create a routing policy that matches the route 5.5.5.0/24 with an action of next-hop Top.
D. Apply the policy to the forwarding table on R1.

Answer: BD

Thursday, 30 March 2017

Juniper JN0-661 Question Answer

Which OSPFv3 router ID is valid?

A. 192.168.1.1
B. ::192.168.1.1
C. 0.0.0.0
D. 2008:db8::1

Answer: A


You are working with a new MPLS network that is using the default EXP classifier and default schedules. A small amount of traffic is being placed in the assured forwarding class. No other traffic is passing through the network at this time. In this scenario, what happens to the traffic that is being placed in the assured forwarding class?


A. The traffic is reclassified to the best effort forwarding class and is forwarded.
B. The traffic remains in the assured forwarding class and is forwarded.
C. The traffic is reclassified to the network control forwarding class and is forwarded.
D. The traffic remains in the assured forwarding class and is dropped.

Answer: B

Friday, 17 March 2017

Juniper JN0-661 Question Answer


user@R1> show ospf interface detail
Interface State Area DR ID BDR ID Nbcs
xe-0/0/1.0 BDR 0.0.0.0 2.169.37.12 11.244.245.215 1
Type LAN, address 192.161.27.11, Mask 255.255.255.248, MTU 4460, Cost 40
DR addr 192.161.37.12, BDR addr 192.168.37.11, Adj count 1, Priority 128
Hello 10, Dead 40, ReXmit 5, Not Stub
fe-0/2/1.0 PtToPt 0.0.0.0 0.0.0.0 0.0.0.0
Type P2P, Address 0.0.0.0, Mask 0.0.0.0, MTU 1500, Cost 2604
Adj count 0
Hello 10, Dead 40, ReXmit 5, Not stub
Auth type: MDS, Active key ID 3, Start time 2013 Jul 19 10:00:00 PST
IPsec SA Name: sa
user@R2> show ospf interface detail
Interface State Area DR ID BDR ID Nbcs
xe-1/1/1.0 BDR 0.0.0.0 192.168.37.12 11.244.245.216 1
Type LAN, address 192.161.27.12, Mask 255.255.255.248, MTU 4460, Cost 40
DR addr 192.161.37.12, BDR addr 192.168.37.11, Adj count 1, Priority 128
Hello 3, Dead 9, ReXmit 5, Not stub
fe-2/2/2.0 PtToPt 0.0.0.0 0.0.0.0 0.0.0.0
Type P2P, address 0.0.0.0, Mask 0.0.0.0, MTU 1500, Cost 2604
Adj count 0
Hello 10, Dead 40, ReXmit 5, Not Stub
Auth type: MDS, Active key ID 3, Start time 2013 Jul 19 10:00:00 PST
IPsec SA Name: sa

Which two statements are true about the OSPF adjacency displayed in the exhibit? (Choose two.)

A. There is a mismatch in the dead interval parameter between routers R1 and R2.
B. There is a mismatch in the hold timer parameter between routers R1 and R2.
C. There is a mismatch in the hello interval parameter between routers R1 and R2.
D. There is a mismatch in the poll interval parameter between routers R1 and R2.

Answer: AC

Thursday, 23 February 2017

Juniper JN0-661 Question Answer

Which address range has been specifically reserved for use with SSM traffic?

A. 233.0.0.0/8
B. 224.2.0.0/16
C. 232.0.0.0/8
D. 239.0.0.0/8

Answer: C

Tuesday, 8 November 2016

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