Which three statements about IS-IS in a multi-area network are correct? (Choose three.)

A. Internal L1 PDUs are flooded to all L1 routers in other areas.

B. External L2 PDUs are only flooded to the local area’s L2 routers.

C. Internal L1 PDUs are flooded to the local area’s L2 routers.

D. External L2 PDUs are flooded to all L2 routers in other areas.

E. Internal L1 PDUs are only flooded to the local area’s L1 routers.

Click the Exhibit button.
 
Referring to the exhibit, which statement is correct?

A. The vrf-target configuration will stop routes from being shared between CE-1 and CE-2.

B. The vrf-target configuration will allow routes to be shared between CE-1 and CE-2.

C. The route-distinguisher configuration will stop routes from being shared between CE-1 and CE-2.

D. The route-distinguisher configuration will allow overlapping routes to be shared between CE-1 and CE-2.

You have an L2VPN connecting two CEs across a provider network. The CEs and provider network are configured with the default MTU setting. You use the ping command from one CE to the other CE with a size of 1500 bytes.
In this scenario, which statement is correct when using the ping command?

A. You expect an ICMP message too long error.

B. You expect an echo reply.

C. You expect a silent discard.

D. You expect the ping results to be fragmented.

Click the Exhibit button.
 
Referring to the exhibit, which statement is correct?

A. VPN routes are exported with the target:65512:1 and target:65512:2 route targets.

B. You cannot use the vrf-target and vrf-export statements in the same VRF.

C. VPN routes with the target:65512:1 and target:65512:2 route targets are imported.

D. VPN routes are exported with only the target:65512:1 route target

Which two statements are correct about VPLS tunnels? (Choose two.)

A. BGP-signaled VPLS tunnels require manual provisioning of sites.

B. LDP-signaled VPLS tunnels only support control bit 0.

C. LDP-signaled VPLS tunnels use auto-discovery to provision sites.

D. BGP-signaled VPLS tunnels can use either RSVP or LDP between the PE routers.

You are configuring a BGP signaled Layer 2 VPN across your MPLS enabled core network. Your PE-2 device connects to two sites within the same VPN.
In this scenario, which statement is correct?

A. You must create a unique Layer 2 VPN routing instance for each site on the PE-2 device.

B. By default on PE-2, the site’s local ID is automatically assigned a value of 0 and must be configured to match the total number of attached sites.

C. You must use separate physical interfaces to connect PE-2 to each site.

D. By default on PE-2, the remote site IDs are automatically assigned based on the order that you add the interfaces to the site configuration.

Click the Exhibit button.
 
Referring to the exhibit. PE-1 and PE-2 are getting route updates for VPN-B when neither of them service that VPN.
Which two actions would optimize this process? (Choose two.)

A. Configure the resolution rib bgp.l3vpn.0 resolution-ribs inet.0 statement on the PEs.

B. Configure the family route-target statement on the RR.

C. Configure the resolution rib bgp.l3vpn.0 resolution-ribs inet.0 statement on the RR.

D. Configure the family route-target statement on the PEs.

Click the Exhibit button.
 
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. add-path

B. route-target

C. multipath

D. multihop

Click the Exhibit button.
 
You are configuring an interprovider Option C Layer 3 VPN to connect two customer sites.
Referring to the exhibit, which three statements are correct? (Choose three.)

A. ASBR routers maintain the internal routes from its own AS, the loopback address from the other AS PEs, and the L3VPN routes.

B. ASBR routers maintain the internal routes from its own AS and the loopback addresses from the other AS PEs.

C. P routers maintain the internal routes from its own AS and the loopback address from the other AS PEs.

D. P routers only maintain the internal routes from their own AS.

E. PE routers maintain the internal routes from its own AS, the loopback address from the other AS Pes, and the L3VPN routes.

When building an interprovider VPN. you notice on the PE router that you have hidden routes which are received from your BGP peer with family inet labeled-unicast configured.
Which parameter must you configure to solve this problem?

A. Under the family inet labeled-unicast hierarchy, add the resolve-vpn parameter.

B. Under the protocols mpls hierarchy, add the traffic-engineering parameter.

C. Under the family inet labeled-unicast hierarchy, add the explicit null parameter.

D. Under the protocols ospf hierarchy, add the traffic-engineering parameter.

Click the Exhibit button.
 
Referring to the exhibit, which two statements are true? (Choose two.)

A. The devices advertising this route into EVPN are 10.0.2.12 and 10.0.2.22.

B. This route is learned through EBGP.

C. The device advertising this route into EVPN is 192.168.101.5.

D. This is an EVPN Type-2 route.

Your organization manages a Layer 3 VPN for multiple customers. To support advanced route filtering on your PE routers, you must advertise more than one BGP community on advertised VPN routes to remote PE routers.
Which routing-instance configuration parameter would support this requirement?

A. vrf-target import

B. vrf-export

C. vrf-target export

D. vrf-import

Your network is receiving the 203.0.113.0/24 network using EBGP from AS 64500 and AS 64501. Both of these advertisements have identical local-preference values, AS-path lengths, and BGP origin codes. You want to influence the way your AS sends traffic to the 203.0.113.0/24 network.
In this scenario, which attribute would you consider next when selecting the best path?

A. router ID

B. MED value

C. peer IP address

D. IGP metric

Click the Exhibit button.
 
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. delete protocols isis export summary-v6

B. set protocols isis import summary-v6

C. delete policy-options policy-statement summary-v6 term DC-routes from route-filter 2001:db5:a:fa00::/61 longer

D. set policy-options policy-statement summary-v6 term DC-routes from route-filter 2001:dbS:a:fa00::/6l exact

E. set policy-options policy-statement summary-v6 term suppress then reject

In which two ways does OSPF prevent routing loops in multi-area networks? (Choose two.)

A. All areas are required to connect as a full mesh.

B. All areas are required to connect to area 0.

C. The LFA algorithm prunes all looped paths within an area.

D. The SPF algorithm prunes looped paths within an area.

Which two statements about IS-IS are correct? (Choose two.)

A. CSNPs are used to request a missing LSP.

B. PSNPs are used to acknowledge a received LSP.

C. PSNPs are used to request a missing LSP.

D. CSNPs are used to acknowledge a received LSP.

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 -> Input Policer -> Multifield Classifier -> Forwarding Policy Options -> Fabric Scheduler -> Output Policer -> Scheduler/Shaper/RED -> Rewrite Marker

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

Which three mechanisms are used by Junos platforms to evaluate incoming traffic for CoS purposes? (Choose three.)

A. rewrite rules

B. traffic shapers

C. multifield classifiers

D. fixed classifiers

E. behavior aggregate classifiers

Click the Exhibit button.
 
Referring to the exhibit, which two statements are true? (Choose two.)

A. The multihop configuration is used for load balancing.

B. This route is learned from the same AS number.

C. This route is learned from two different AS numbers.

D. The multipath configuration is used for load balancing.

Which two statements are correct about IS-IS interfaces? (Choose two.)

A. If a point-to-point interface is in both L1 and L2, separate hello messages are sent for each level.

B. If a point-to-point interface is in both 11 and L2, one combined hello message is sent for both levels.

C. If a broadcast interface is in both L1 and L2, separate hello messages are sent for each level.

D. If a broadcast interface is in both L1 and L2, one combined hello message is sent for both levels.

Click the Exhibit button.
 
You want to implement the BGP Generalized TTL Security Mechanism (GTSM) on the network.
Which three statements are correct in this scenario? (Choose three.)

A. BGP GTSM requires a TTL of 1 to be configured between neighbors.

B. You can implement BGP GTSM between R2, R3, and R4.

C. You can implement BGP GTSM between R2 and R1.

D. BGP GTSM requires a firewall filter to discard packets with incorrect TTL.

E. BGP GTSM requires a TTL of 255 to be configured between neighbors

Click the Exhibit button.
 
Referring to the exhibit, what must be changed to establish a Level 1 adjacency between routers R1 and R2?

A. Change the level l disable parameter under the R1 protocols isis interface lo0.0 hierarchy to the level 2 disable parameter.

B. Add IP addresses to the interface ge-1/2/3 unit 0 family iso hierarchy on both R1 and R2.

C. Remove the level 1 disable parameter under the R2 protocols isis interface lo0.0 configuration hierarchy.

D. Change the level 1 disable parameter under the R2 protocols isis interface ge-l/2/3.0 hierarchy to the level 2 disable parameter.

Which two statements are correct about reflecting inet-vpn unicast prefixes in BGP route reflection? (Choose two.)

A. Clients add their originator ID when advertising routes to their route reflector.

B. Route reflectors add their cluster ID to the AS path when readvertising client routes.

C. Route reflectors do not change any existing BGP attributes by default when advertising routes.

D. A BGP peer does not require any configuration changes to become a route reflector client.

You are a network architect for a service provider and want to offer Layer 2 services to your customers. You want to use EVPN for Layer 2 services in your existing MPLS network.
Which two statements are correct in this scenario? (Choose two.)

A. Segment routing must be configured on all PE routers.

B. EVPN uses Type 2 routes to advertise MAC address and IP address pairs learned using ARP snooping.

C. EVPN uses Type 3 routes to join a multicast tree to flood traffic.

D. VXLAN must be configured on all PE routers.

Which origin code is preferred by BGP?

A. Internal

B. External

C. Incomplete

D. Null

Which statement is correct about IS-IS when it performs the Dijkstra algorithm?

A. The local router moves its own local tuples into the candidate database.

B. When a new neighbor ID in the tree database matches a router ID in the LSDthe neighbor ID is moved to the candidate database.

C. Tuples with the lowest cost are moved from the tree database to the LSDB.

D. The algorithm will stop processing once the tree database is empty.

You want to ensure that L1 IS-IS routers have only the most specific routes available from L2 IS-IS routers.
Which action accomplishes this task?

A. Configure the ignore-attached-bit parameter on all L1 routers.

B. Configure all routers to be L1.

C. Configure all routers to allow wide metrics.

D. Configure the ignore-attached-bit parameter on all L2 routers.

By default, which statement is correct about OSPF summary LSAs?

A. The metric associated with a summary route will be equal to the lowest metric associated with an individual contributing route.

B. The area-range command must be installed on all routers.

C. Type 3 LSAs are advertised for routes in Type 1 LSAs.

D. All Type 2 and Type 7 LSAs will be summarized into a single Type 5 LSA.

Click the Exhibit button.
 
PE-1 and PE-2 are configured with LDP-signaled pseudowires to provide connectivity between CE-1 and CE-2. You notice no connectivity exists between CE-1 and CE-2.
Referring to the exhibit, which two statements describe potential causes for this fault? (Choose two.)

A. There is no LSP configured from PE-1 to PE-2.

B. Interface ge-0/0/0 on PE-1 is down.

C. The VC IDs are mismatched.

D. There is no LSP configured from PE-2 to PE-1.

Click the Exhibit button.
 
Which two statements are correct about the class-of-service configuration shown in the exhibit? (Choose two.)

A. Incoming traffic will be classified using the default classifier.

B. The best-effort queue can never transmit more than 40% of the total bandwidth on the ge-0/0/0 interface, even if that bandwidth is available.

C. Incoming traffic will not be classified because no classifier exists in the configuration.

D. The best-effort queue can transmit more than 40% of the total bandwidth on the ge-0/0/0 interface, if no other queue is using that bandwidth.

Click the Exhibit button.
 
You are troubleshooting an issue for a customer site that uses 10.10.0.0/24 in AS 65224, but you see another AS in the AS path.
Referring to the exhibit, what is the cause of the problem?

A. AS 65000 is pre-pending AS 65137 to route advertisements.

B. The local AS is in the process of withdrawing the route from AS 65137.

C. AS 65137 is advertising the 10.10.0.0/24 prefix.

D. The local AS is receiving two equal cost routes to 10.10.0.0/24.

Click the Exhibit button.
 
You are running a service provider network and must transport a customer's IPv6 traffic across your IPv4-based MPLS network using BGP. You have already configured mpls ipv6-tunneling on your PE routers.
Which two statements are correct about the BGP configuration in this scenario? (Choose two.)

A. You must configure family inet6 labeled-unicast between PE routers.

B. You must configure family inet6 add-path between PE and CE routers.

C. You must configure family inet6 unicast between PE and CE routers.

D. You must configure family inet6 unicast between PE routers.

Click the Exhibit button.
 
Referring to the exhibit, which path would traffic passing through R1 take to get to R4?

A. R1 -> R3 -> R4

B. R1 -> R2 -> R3 -> R4

C. R1 -> R2 -> R4

D. R1 -> R4

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. BGP FlowSpec

C. destination-based Remote Triggered Black Hole

D. unicast Reverse Path Forwarding

Click the Exhibit button.
 
You are attempting to summarize routes from the 203.0.113.128/25 IP block on R8 to AS 64500. You implement the export policy shown in the exhibit and all routes from the routing table stop being advertised.
In this scenario, which two steps would you take to summarize the route in BGP? (Choose two.)

A. Replace exact in the export policy with orlonger.

B. Remove the from protocol bgp command from the export policy.

C. Add the set protocols bgp family inet unicast add-path command to allow additional routes to the RIB tables.

D. Add the set routing-options aggregate route 203.0.113.128/25 command.

Click the Exhibit button.
 
You have MAC addresses moving in your EVPN environment.
Referring to the exhibit, which two statements are correct about the sequence number? (Choose two.)

A. It identifies MAC addresses that should be discarded.

B. It resolves conflicting MAC address ownership claims.

C. It is advertised using a Type 2 message.

D. It helps the local PE to identify the latest advertisement.

Click the Exhibit button.
 
You have an EVI implemented between PE-1, PE-2, and PE-3 to allow communication between CE-1 and CE-2. CE-2 receives unicast traffic from CE-1 on both links to PE-2 and PE-3. When CE-1 sends broadcast traffic. CE-2 receives it on only one of the multihomed links.
Referring to the exhibit, which EVPN route type enables this behavior?

A. Type 2

B. Type 4

C. Type 1

D. Type 3

Click the Exhibit button.
 
You have an OSPF environment. You have recently added a router called R4 that is directly connected to R1 and R2. You discover that R4 is only peering with R2.
Referring to the exhibit, how would you correct the peering?

A. Adjust the Hello Interval on R1 and R2 to match the Hello Interval on R4.

B. Change the MTU size on R1 and R2 to be 22 bytes higher than R4’s MTU size.

C. Adjust the Dead Interval on R4 to match the Dead Interval on R1 and R2.

D. Adjust the Priority on R1 to be lower than the Priority on R4.

Click the Exhibit button.
 
Referring to the exhibit, which two statements are correct regarding the output shown in the exhibit? (Choose two.)

A. The multicast group is an ASM group.

B. The multicast group is an SSM group.

C. The multicast traffic is using the SPT.

D. The multicast traffic is using the RPT.

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. output policer

B. scheduler

C. rewrite rules

D. forwarding classes

You are using a Layer 3 VPN to connect two customer sites. The VPN routes for the customer networks appear as hidden in the bgp.l3vpn.0 routing table on the PE routers.
What is causing this problem?

A. The routes use overlapping IP addresses.

B. There is a routing loop in the service provider backbone.

C. There is not an established MPLS LSP between the two PE routers.

D. Route targets are not configured.

Click the Exhibit button.
 
Referring to the exhibit, which three statements are correct about route 10.0.0.0/16 when using the default BGP advertisement rules? (Choose three.)

A. R2 will advertise 10.0.0.0/16 to R4 with 172.16.1.1 as the next hop.

B. R2 will advertise 10.0.0.0/16 to R3 with 192.168.1.1 as the next hop.

C. R1 will advertise 10.0.0.0/16 to R2 with 192.168.1.1 as the next hop.

D. R1 will prepend AS 65531 when advertising 10.0.0.0/16 to R2.

E. R4 will advertise 10.0.0.0/16 to R6 with 172.16.1.1 as the next hop.

Click the Exhibit button.
 
Referring to the exhibit, a working L3VPN exists that connects VPN-A sites. CoS is configured correctly to match on the MPLS EXP bits of the LSP. but when traffic is sent from Site-1 to Site-2. PE-2 is not classifying the traffic correctly.
What should you do to solve the problem?

A. Configure VPN prefix mapping for the PE-1_to_PE-2 LSP.

B. Set a static CoS value for the PE-1_to_PE-2 LSP.

C. Configure the explicit-null statement on PE-2.

D. Configure the explicit-null statement on PE-1.

After a recent power outage, your manager asks you to investigate ways to automatically reduce the impact caused by suboptimal routing in your OSPF and OSPFv3 network after devices reboot.
Which three configuration statements accomplish this task? (Choose three.)

A. set protocols ospf3 realm ipv4-unicast overload timeout 900

B. set protocols ospf overload

C. set protocols ospf overload timeout 900

D. set protocols ospf3 overload

E. set protocols ospf3 overload timeout 900

Which two statements are correct regarding bootstrap messages that are forwarded within a PIM sparse mode domain? (Choose two.)

A. Bootstrap messages distribute RP information dynamically during an RP election.

B. Bootstrap messages are used to notify which router is the PIM RP.

C. Bootstrap messages are forwarded only to routers that explicitly requested the messages within the PIM sparse-mode domain.

D. Bootstrap messages are forwarded to all routers within a PIM sparse-mode domain.

Click the Exhibit button.
 
Referring to the exhibit, what do the brackets [ ] in the AS path identify?

A. They identify that the autonomous system number is incomplete and awaiting more information from the BGP protocol.

B. They identify that a BGP confederation is being used to ensure that there are no routing loops.

C. They identify an AS set. which are groups of AS numbers in which the order does not matter.

D. They identify the local AS number associated with the AS path if configured on the router, or if AS path prepending is configured.

Click the Exhibit button.
 
R4 is directly connected to both RPs (R2 and R3). R4 is currently sending all joins upstream to R3 but you want all joins to go to R2 instead.
Referring to the exhibit, which configuration change will solve this issue?

A. Change the bootstrap priority on R2 to be higher than R3.

B. Change the local address on R2 to be higher than R3.

C. Change the default route in inet.2 on R4 from R3 as the next hop to R2.

D. Change the group-range to be more specific on R2 than R3.

Click the Exhibit button.
 
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 unreachable.

B. The prefix limit has been reached on PE-1.

C. CE-1 is advertising its entire routing table.

D. CE-1 is configured with an incorrect peer AS.

You are configuring schedulers to define the class-of-service properties of output queues. You want to control packet drops during periods of congestion.
In this scenario, which CoS configuration parameter would be used to accomplish this task?

A. buffer size

B. priority

C. shaping rate

D. drop profile

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. c96b.c490 is the system identifier.

B. c490 is the system identifier.

C. 00a0.c96b.c490 is the system identifier.

D. 0001.00a0.c96b.c490 is the system identifier.