JN0-660 Exam Questions
536 real JN0-660 exam questions with expert-verified answers and explanations. Page 6 of 11.
- Question #252
What are two elements that must be configured to enable LDP? (Choose two.)
- Question #253
Refer to the exhibit. What does 192.168.1.2 represent?
- Question #254
What are three reasons an OSPF neighbor ship would be stuck in ExStart? (Choose three.)
- Question #255
Click the Exhibit button. You are receiving the OSPF link state advertisement shown in the exhibit. What are two reasons for the displayed metric value? (Choose two.)
- Question #256
Click the Exhibit button. You are creating an OSPF multiarea adjacency with a link between two ABRs. Referring to the exhibit, which configuration setting must be added to the rout...
- Question #257
You have an AS boundary router which is also an area border router with an NSSA attached. Which two LSA types are exported into the NSSA by default? (Choose two.)
- Question #258
What are two valid actions that can be applied to a frame by a Layer 2 firewall filter? (Choose two)
- Question #259
Which two statements describe differences between IPv4 and IPv6? (Choose two)
- Question #260
You must configure an OSPF area that does not accept type 3 link-state advertisements (LSAs) from area 0 (other than the default route) You have configured your area to be stub, bu...
- Question #261
You have configured an IP-IP tunnel between Router A and Router B. Which Junos operational mode command is used to verify that the tunnel interface is up and operational?
- Question #262
Which IS-IS packet is used to determine the level of an IS-IS neighbor?
- Question #263
Router A is an OSPF router connected to both Area 0 and Area 1 Area 1 has been configured as a stub area Which two LSA types does Router A suppress from Area 1 ?
- Question #264
You are logged into a router and have navigated to the (edit routing-options] level of the hierarchy. You have been asked to create a static route that will use 10.10.10.1 as its p...
- Question #265
Click the Exhibit button. Based on the illustration of the VPLS topology shown in the exhibit, which statement is true?
- Question #266
Which Junos operational mode command is used to verify that load balancing is working as expected?
- Question #267
Which two values displayed in the output from the show spanning-tree MSTP configuration command must match on all switches participating in the same MSTP region? (Choose two)
- Question #268
Which role does the router ID (RID) have in the BGP route selection process?
- Question #269
You are logged into a router and have navigated to the [edit routing-options] level of the hierarchy. You have been asked to create a static route that will use 43 18 7 1 as its pr...
- Question #270
Click the Exhibit button. Referring to the network illustrated in the exhibit, how does router A reach destinations in area 49.2222?
- Question #271
You have recently implemented a graceful Routing-Engine switchover (GRES) and want to further reduce down time if a Routing Engine (RE) failure occurs. Which two features can be co...
- Question #272
Which BGP state denotes a fully operational session?
- Question #273
Click the Exhibit button. You work for the regional Internet service provider shown in the exhibit You have a partial BGP table and are receiving a 10 100/16 route from your upstre...
- Question #274
You have been asked to configure an IPv6 address for a group of interfaces that could belong on different routers. If a packet is sent to that address, it should be received by all...
- Question #275
Click the Exhibit button. In the exhibit, OSPF routers R1, R2, R3, and R4 come up, in order, at 1- minute intervals. Which router will be the designated router?.
- Question #276
What is the function of the hop limit field in the IPv6 header?
- Question #277
You have been asked to define a default gateway for traffic leaving a router. This route should use interface so-0/0/0 as its next-hop.Which type of route would be suited for this...
- Question #278
Click the Exhibit button. In the exhibit, how many full OSPF adjacencies will R3 have?
- Question #279
You are asked to design a Layer 2 switched topology that can automatically recover from link failures. Which type of protocol would you consider in your design?
- Question #280
Click the Exhibit button. When the Junos configuration shown in the exhibit is applied to the router, which routes in the forwarding table will begin load-balancing packet flows?
- Question #282
Using industry best practices, what is true regarding an external BGP session?
- Question #283
You own a home network connecting through an always-on connection and need to assign IPv6 addresses to your routers because you want to follow the guidelines spelled out in RFC 317...
- Question #284
Which two BGP attributes are modified by default when they are passed between external BGP peers? (Choose two)
- Question #285
Click the Exhibit button. In an RSTP network, the root and designated ports have been elected as shown in the exhibit. What will be the port type of port 1?
- Question #286
Which two statements about BGP are accurate? (Choose two.)
- Question #287
Which two elements contribute to the bridge ID when configuring RSTP? (Choose 2)
- Question #288
You want to influence how traffic enters your network. Using industry best practices, which two BGP attributes would you modify to accomplish this goal? (Choose two)
- Question #289
You have recently installed a second Routing Engine (RE) in your router Which two statements correctly describe the expected behavior if the primary RE fails? (Choose two.)
- Question #290
Which command would you use to verify the presence of VPN routes on a PE device?
- Question #291
Click the Exhibit button. An operator is unable to establish any IS-IS adjacencies on a router in the network. Based on the configuration shown in the exhibit, what is the problem?
- Question #292
Which statement is true of a Layer 2 circuit?
- Question #293
What are three circumstances under which a router sends link-state PDUs (LSPs)? (Choose three)
- Question #294
In an RSTP network, which combination of port types can exist on the root bridge?
- Question #296
In the evaluation of an RSTP configuration BPDU. Which two values are contained in the Bridge ID value? (Choose two)
- Question #297
Under which Junos configuration hierarchy is a load-balancing policy applied?
- Question #298
Which two configuration elements are defined under an MSTP instance? (Choose two)
- Question #299
Click the Exhibit button. Given the network topology shown in the exhibit, you are configuring a GRE tunnel from Router A to Router C. Which interface configuration on Router A wil...
- Question #300
Which protocol is used by wired Ethernet to manage frame collisions?
- Question #301
You have been asked to provision a service provider's network to accommodate Layer 3 VPNs as defined in RPC 4364. Which three tasks must be performed before the provider core is re...
- Question #302
You would like two LDP routers on opposite sides of your network to become neighbors. Which LDP message is used to form this relationship?
- Question #303
In which two environments would BGP add value? (Choose two)