JN0-660 Exam Questions

Click the Exhibit button. Referring to the exhibit, which policy(s) will be applied to neighbor 172.18.4.5?

Click the Exhibit button. In the exhibit Router A and Router B are operating on the LAN with Router B acting as the designated intermediate system (DIS). When Router C and Router D...

You are logged into a router and issue the command show route protocol bgp. You see that you have received the route 10 0.4/24 from two different peers Both peers were learned usin...

How many equal-cost paths can be assigned to a single route in the Junos OS?

You want to configure support for an IPv6 environment In which hierarchy would you configure an OSPF area?

Which action does the local router take after sending a Notification message to a remote peer?

You have been asked to configure and assign addresses for your IPv6 routers in your network using dynamic assignment of DNS servers. You do not want the MAC address included as par...

Click the Exhibit button. Which two topologies shown in the exhibit would require the use of a spanning-tree protocol? (Choose two)

Which three functions are performed by an OSPF area border router (ABR)? (Choose three)

A customer configures a bridge domain using a VLAN ID of 222. Which configuration will allow for the switch to potentially look at the IP header of incoming frames tagged with a VL...

Your area border router (ABR) receives type 1.2 and 5 link-state advertisements (LSAs) from a non-backbone area. What would the ABR do with the information learned from the non-bac...

Which label operation is performed by an MPLS ingress router?

An RSVP LSP in your network is operational but you are receiving complaints about network throughput across the LSP. You suspect that the RSVP bandwidth was omitted from the router...

What is contained in an IS-IS CSNP message?

You want to ensure that your RSVP LSPs are following a particular path across the network. Which RSVP object ensures that your desire will be met?

Which statement is true about the operation of Layer 2 VPNs?

Click the Exhibit button. Based on the illustration shown in the exhibit, what would PE-B do with a VPLS packet received from PE-A if the matching entry in its VPLS routing table s...

Click the Exhibit button. Based on the configuration shown in the exhibit, which command would you use to display real- time hellos and errors for IS-IS?

Click the Exhibit button. An interface is configured as shown in the exhibit. What must also be configured for this interface to participate in VLAN 100 and 200?

An Ethernet bridge is configured such that all interfaces are in a single broadcast domain By default. Which two tasks does the bridge perform in response to receiving a multicast...

Which configuration can be applied to ensure that no more than 600 MAC addresses are learned by a virtual switch?

You are logged into a PE router participating in a Layer 3 VPN as defined in RFC 4364. You would like to ping the remotely connected CE router's loopback address. The address of th...

Click the Exhibit button. You have two routers connected over a Gigabit Ethernet link as shown in the exhibit It is required that an IS-IS adjacency be established without the need...

Which two problems occur when increasing numbers of users are added to an Ethernet LAN with no switches present? (Choose two.)

Click the Exhibit button. In the exhibit, all routers are sending routes to Router B Which routes will be advertised from Router B to Router D?

Click the Exhibit button. Given the OSPF network topology shown in the exhibit, you would like to inject external (non- OSPF) routes into the network on Router D Which two OSPF are...

In your network, you have two LDP routers connected across four physical interfaces. You have also enabled LDP to operate on all four of those interfaces. What is the resulting out...

By default, which RSVP reservation style is used by the Junos OS?

Which three statements are true about BGP? (Choose three)

You observe that VPN routes are hidden on your PE router Which situation accounts for these hidden routes?

To prevent fragmentation issues across a GRE tunnel, which MTU value is recommended for the tunnel to accommodate most IP packets?

By default, which three criteria are used by the Junos load-balancing algorithm to determine a traffic flow? (Choose three.)

Click the Exhibit button. Based on the configuration shown in the exhibit, what will be the state of the IS-IS levels on interface ge-0/0/0.100?

Referring to the exhibit, which firewall filter action(s) will be applied to incoming frames to ge-1/0/3?

Click the Exhibit button. Given the OSPF topology shown in the exhibit, how many unique link-state databases are present in the network?

Click the Exhibit button. In the exhibit, three IPv6 addresses are listed. Which two statements are true? (Choose two.)

You have just configured IPv6 in your network. A packet arrives on your router that exceeds the MTU size. How will an IPv6 router respond?

Which two statements reflect benefits of performing per-flow load balancing over per-packet load balancing? (Choose two.)

By default, the Junos OS advertises which address(es) in LDP forwarding equivalency class (FEC) messages?

Click the Exhibit button. Two bridge domains are configured as shown in the exhibit. What must be configured as part of the ge-1/0/3 interface configuration to accept tagged frames...

What are two benefits of using an OSPF designated router (DR)? (Choose two.)

Which three statements are true regarding the show system switchover operational mode command? (Choose three.)

You have been asked to use a convention that allows for auto configuration of interface addresses. You are not allowed to use DHCPv6. What do you do?

You notice that the RID of your router is being taken from the address of your management interface. What could cause this scenario?

You have been asked to identify what the contributing routes are for route 204.7.15/21.Which command will show this information?

Which packet type does the router use to request up-to-date link-state information?

Which forwarding table designation is used to indicate that load balancing is working correctly?

Which two statements are correct regarding VPLS mesh groups? (Choose two.)

Router A receives two similar route advertisements from different BGP peers.What would cause a route to be selected in this scenario?

Which two configuration elements must match on all switches participating in the same MSTP region? (Choose two.)