Click the Exhibit button.
 
The network shown in the exhibit is based on IS-IS.
Which statement is correct in this scenario?

A. The routers are using unnumbered interfaces.

B. The system ID of R1_2 is 192.168.16.1.

C. The NSEL byte for Area 0001 is 00.

D. The area address is two bytes.

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

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.

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.

Click the Exhibit button.
 
A network is using IS-IS for routing.
In this scenario, why are there two TLVs shown in the exhibit?

A. There are both narrow and wide metric devices in the topology.

B. Both IPv4 and IPv6 are being used in the topology.

C. Wide metrics have specifically been requested.

D. The interface specified a metric of 100 for L2.

When using 0SPFv3 for an IPv4 environment, which statement is correct?

A. OSPFv3 only supports IPv4.

B. OSPFv3 is not backward compatible with IPv4.

C. OSPFv3 supports both IPv6 and IPv4, but not in the same routing instance.

D. OSPFv3 supports IPv4 only on interfaces with family inet6 defined.

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.

Which two statements are correct regarding the PIM DR in a PIM-SM domain? (Choose two.)

A. By default. PIM DR election is performed on point-to-point links.

B. If the DR priorities match, the router with the lowest IP address is selected as the DR.

C. The source DR sends PIM register messages from the source network to the RP.

D. The receiver DR sends PIM join and PIM prune messages from the receiver network toward the RP.

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.

An interface is configured with a behavior aggregate classifier and a multifield classifier.
How will the packet be processed when received on this interface?

A. The packet will be processed by the MF classifier first, then the BA classifier.

B. The packet will be processed by the BA classifier first, then the MF classifier.

C. The packet will be discarded.

D. The packet will be forwarded with no classification changes.

Click the Exhibit button.
 
Referring to the exhibit, which two statements are correct about the dual route reflectors within a cluster? (Choose two.)

A. RR1 and RR2 must have the same duster ID to exchange routes learned from the client.

B. RR1 and RR2 append the duster ID when advertising routes from dient to dient.

C. RR1 and RR2 advertise routes learned from the clients to EBGP peers, using itself as the next hop.

D. RR1 advertises routes from the client to RR2. using itself as the next hop.

Click the Exhibit button.
 
Based on the configuration contents shown in the exhibit, which statement is true?

A. Joins for group 224.7.7.7 are rejected if the source address is 192.168.100.10.

B. Joins for group 224.7.7.7 are always rejected, regardless of the group count.

C. Joins for group 224.7.7.7 are accepted if the group count is less than 25.

D. Joins for any group are accepted if the group count value is less than 25.

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.

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

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.
 
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.
 
Referring to the exhibit. PIM-SM is configured on all routers, and Anycast-RP with Anycast-PIM is used for the discovery mechanism on RP1 and RP2. The interface metric values are shown for the OSPF area.
In this scenario, which two statements are correct about which RP is used? (Choose two.)

A. Source2 will use RP1 and Receiver2 will use RP1 for group 224.2.2.2.

B. Source2 will use RP2 and Receiver2 will use RP2 for group 224.2.2.2.

C. Source1 will use RP1 and Receiver1 will use RP1 for group 224.1.1.1.

D. Source1 will use RP1 and Receiver1 will use RP2 for group 224.1.1.1.

Which statement is true regarding BGP FlowSpec?

A. It is used to protect a network from denial-of-service attacks dynamically.

B. It uses dynamically created routing policies to protect a network from denial-of-service attacks.

C. It uses a remote triggered black hole to protect a network from a denial-of-service attack.

D. It verifies that the source IP of the incoming packet has a resolvable route in the routing table.

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.

You want to ensure that a single-area OSPF network will be loop free.
In this scenario, what are two requirements that satisfy this requirement? (Choose two.)

A. The DR/BDR ensures that each node within an area has the same information in their LSDBs.

B. The Shortest Path First algorithm must prune looped paths.

C. Nodes within an area must connect in a full mesh.

D. All nodes within an area must have the same information in their LSDBs.

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.

You are configuring a BGP signaled Layer 2 VPN across your MPLS enabled core network.
In this scenario, which statement is correct?

A. You must use the same route-distinguisher value on both PE devices.

B. You must assign a unique site number to each attached site’s configuration.

C. This type of VPN only supports Ethernet interfaces when connecting to CE devices.

D. This type of VPN requires the support of the inet-vpn NLRI on all core BGP devices.

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.

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

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.

You are configuring anycast RP for load balancing and redundancy in your PIM-SM domain. You want to share active sources between RPs.
In this scenario, what are two solutions that will accomplish this task? (Choose two.)

A. Configure MSDP on each RP router.

B. Configure anycast PIM with the rp-set statement on each RP router.

C. Configure anycast PIM with the rp-set statement on each source DR router.

D. Configure MSDP on each source DR router.

Click the Exhibit button.
 
You want Site 1 to access three VLANs that are located in Site 2 and Site 3. The customer-facing interface on the PE-1 router is configured for Ethernet-VLAN encapsulation.
What is the minimum number of L2VPN routing instances to be configured to accomplish this task?

A. 1

B. 2

C. 3

D. 6

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

Click the Exhibit button.
 
Referring to the exhibit, which two statements are correct about BGP routes on R3 that are advertised to R1? (Choose two.)

A. By default, the next-hop value for these routes is not changed by R3 before being sent to R1.

B. By default, the next-hop value for these routes is changed by R3 before being sent to R1.

C. By default, the BGP local-preference value that is assigned on R3 is advertised to R1.

D. By default, all BGP attributes values must be removed before advertising the routes to R1.

Click the Exhibit button.
 
You are troubleshooting the connection between AS 64496 and AS 64497 and notice that only one of the paths is being used for traffic forwarding.
Referring to the exhibit, which three actions will ensure that R1 is configured properly for load balancing BGP routes? (Choose three.)

A. Verify that the routing table on R1 has BGP routes for 203.0.113.128/25 with multiple next hops.

B. Verify that the multipath option is configured under protocols bgp on both R2 and R3.

C. Verify that there is a load balancing export policy under routing-options for the received BGP routes on R1.

D. Verify that the multipath option is configured under protocols bgp on R1.

E. Verify that an import load balancing policy exists under protocols bgp for the received BGP routes on R1.

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

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 two statements are correct about BGP routes on R3 that are learned from the ISP-A neighbor? (Choose two.)

A. The next-hop value for these routes Is changed by ISP-A before being sent to R3.

B. All BGP attribute values must be removed before receiving the routes.

C. The BGP local-preference value that is used by ISP-A is not advertised to R3.

D. By default, the next-hop value for these routes is not changed by ISP-A before being sent to R3.

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.0 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.0 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.0 table to the VPN-A.inet.0 table.

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.
 
Which two statements about the output shown in the exhibit are correct? (Choose two.)

A. The connection has not flapped since it was initiated.

B. The PE is attached to a single local site.

C. There has been a VLAN ID mismatch.

D. The PE router has the capability to pop flow labels.

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.

Which two EVPN route types are used to advertise a multihomed Ethernet segment? (Choose two.)

A. Type 2

B. Type 4

C. Type 3

D. Type 1

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.
 
After adding Customer C to your Layer 3 VPN. you must ensure that PE2 is receiving VPN routes for all customers attached to PE1, as shown in the exhibit.
Which operational command displays this information?

A. show route table inet.0

B. show route table bgp.l3vpn.0

C. show route table customer-c.inet.0

D. show route summary

Click the Exhibit button.
 
You enabled a new router (R3) in your network but all destinations using IS-IS routes are not properly load balancing over this new router.
Referring to the exhibit, what is the problem?

A. R2 is missing internal routes for R1.

B. R1 is missing internal routes for R2.

C. R3 does not have wide-metrics enabled.

D. R1 does not have wide-metrics enabled.

A packet is received on an interface configured with transmission scheduling. One of the configured queues is exceeding the allocated bandwidth.
In this scenario, which two actions will be taken by default on a Junos device? (Choose two.)

A. The exceeding queue will be considered to have negative bandwidth credit.

B. The excess traffic will be discarded.

C. The exceeding queue will be considered to have positive bandwidth credit.

D. The excess traffic will use bandwidth available from other queues.

Click the Exhibit button.
 
You must ensure that the VPN backbone is preferred over the back door intra-area link as long as the VPN is available.
Referring to the exhibit, which action will accomplish this task?

A. Enable OSPF traffic-engineering.

B. Configure an import routing policy on the CE routers that rejects OSPF routes learned on the backup intra-area link.

C. Create an OSPF sham link between the PE routers.

D. Configure the OSPF metric on the backup intra-area link that is higher than the L3VPN link.

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 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.

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.

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.

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.
 
Referring to the exhibit, the 10.0.0.0/24 EBGP route is received on R5; however, the route is being hidden.
What are two solutions that will solve this problem? (Choose two.)

A. On R4, create a policy to change the BGP next hop to 172.16.1.1 and apply it to IBGP as an export policy.

B. On R4, create a policy to change the BGP next hop to itself and apply it to IBGP as an export policy.

C. On R4, add the internal IBGP interface prefixes to the BGP routing tables.

D. On R4, add the external EBGP interface’s prefix to the IGP routing tables.

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