Which two statements about BPDU protection are correct? (Choose two.)

A. By default, you must manually clear a BPDU error condition when using BPDU protection.

B. BPDU protection prevents unauthorized switches from connecting to and participating in your spanning tree topology.

C. By default, BPDU protection prevents the root bridge from communicating with other STP members unless it receives a superior BPDU first.

D. BPDU protection requires that STP or RSTP is configured on the switch.

Which statement describes GRES?

A. GRES requires NSR to function properly.

B. GRES provides routing loop protection.

C. GRES provides hardware-level high availability.

D. GRES rapidly detects link failures.

Click the Exhibit button.

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

A. Two next-hop interfaces should appear in the routing table for the 172.20.112.0/24 prefix.

B. Multiple equal-cost next hops are installed in the forwarding table for the 192.168.2.0/30 prefix.

C. The route preference is the same for each static route.

D. Only the selected next-hop interface should appear in the forwarding table for the 172.20.112.0/24 prefix.

Which two statements are true about GRE tunnels on Junos devices? (Choose two.)

A. Only one GRE tunnel can be included for each logical unit.

B. Multiple GRE tunnels can be included for each logical unit.

C. GRE interfaces can include multiple logical units.

D. GRE interfaces can include only a single logical unit.

In which adjacency state do OSPF routers determine which router is in charge of the database synchronization process?

A. ExStart

B. Exchange

C. 2Way

D. Init

You are running a Virtual Chassis with nonstop routing enabled. You want to confirm that the BGP routing table synchronization has completed on the backup Routing Engine.
Which command will show you this information?

A. show task replication

B. show bgp summary

C. show bgp neighbor

D. show bgp replication

Click the Exhibit Button.

Referring to the exhibit, which two statements about the BGP connection are correct? (Choose two.)

A. The local device has AS 100 configured but the peer is expecting AS 101.

B. This is an EBGP peering session.

C. This is an IBGP peering session.

D. The local device has AS 101 configured but the peer is expecting AS 100.

Click the Exhibit button.

Referring to the exhibit, which three statements are correct? (Choose three.)

A. R1 and R3 can form a Layer 2 IS-IS adjacency.

B. R2 and R4 can form a Layer 1 IS-IS adjacency.

C. R3 and R4 can form a Layer 2 IS-IS adjacency.

D. R1 and R3 can form a Layer 1 IS-IS adjacency.

E. R3 and R4 can form a Layer 1 IS-IS adjacency.

You have configured storm control on your network devices. Your network has grown and you no longer have time to investigate each occurrence of a storm control violation. You want to enable a port to automatically be re-enabled after a storm violation.
In this scenario, which Junos OS configuration timeout would accomplish this task?

A. Configure the secure access port timeout.

B. Configure the port error disable timeout.

C. Configure the BPDU blocking timeout.

D. Configure the MAG aging table timeout.

Which two statements about Layer 2 loop prevention protocols are correct? (Choose two.)

A. With STP, a designated port can transition to the forwarding state without waiting for the protocol times to expire.

B. STP uses point-to-point and edge port designations.

C. With RSTP, a designated port can transition to the forwarding state without waiting for the protocol times to expire.

D. RSTP uses point-to-point and edge port designations.

You have an OSPF NSSA area that is also receiving IS-IS routes on the ASBR.
In this scenario, which LSA type is used to announce external IS-IS routes?

A. Type 7

B. Type 8

C. Type 1

D. Type 4

The next hop for the route is not reachable.
In this scenario, what are two ways that BGP handles this route? (Choose two.)

A. The route is placed into the forwarding table as an inactive route.

B. The route is not placed into the forwarding table.

C. The route is placed into the routing table as a hidden route.

D. The route is placed into the forwarding table as a hidden route.

Which two port security mechanisms rely on an accurate DHCP snooping database to operate correctly? (Choose two.)

A. IP source guard

B. persistent MAC learning

C. MACsec

D. dynamic ARP inspection

Which statement is correct about access ports?

A. Access ports must have an IRB assigned to accept untagged traffic.

B. By default, access ports accept only VLAN tagged traffic.

C. Access ports must have an IRB assigned to accept VLAN tagged traffic.

D. By default, an access port can have only a single VLAN assigned.

Your BGP router receives routes from two upstream ISPs: ISP A and ISP

A. In this scenario, which change would you make to prefer routes from ISP A?

B. Set the local-preference attribute for all routes received from ISP A to 200 while all routes received from ISP B use the default local-preference value of 100.

C. Prepend the AS path to all routes received from ISP A while all routes received from ISP B use the default AS path value.

D. Change the MED value for all routes received from ISP A to 1 while all routes from ISP B remain configured with no MED value.

E. Set the local-preference attribute for all routes received from ISP A to 50 while all routes received from ISP B use the default local-preference value of 100.

Click the Exhibit button.

Why is the route shown in the exhibit hidden?

A. The router cannot reach the protocol next hop.

B. An MPLS LSP is unavailable.

C. The router is being rejected through an import policy.

D. The route is being rejected through an export policy.

You notice that currently two MAC addresses are associated with a single access port in the bridge table of one of your EX Series switches.
What are two explanations for this behavior? (Choose two.)

A. The native VLAN feature has been associated with the access port.

B. The mac-move-limit feature has been disabled on the access port,

C. The access port connects to an IP phone which connects ta a host device

D. The access port connects to multiple hosts through a rogue device

You have an IBGP neighbor sending you routes. You need to apply a policy so it only evaluates routes being learned from this specific neighbor.
In this scenario, which statement is correct about applying the policy?

A. The policy should be applied as an export policy to the BGP group level.

B. The policy should be applied as an import policy to the BGP group level.

C. The policy should be applied as an export policy to the BGP neighbor level.

D. The policy should be applied as an import policy to the BGP neighbor level.

Routet-1 and Router-2 must connect through the Internet using a tunneling technology. Hosts that are connected to Router-1 and Router-2 will be sending traffic up to 1500 bytes. The maximum segment size that is supported across the path is 1520 bytes.
Which tunneling technology will allow this communication to take place?

A. IP-IP tunnel

B. GRE tunnel

C. IPsec VPN tunnel mode

D. IPsec VPN transport mode

Which two statements about OSPF not-so-stubby areas are correct? (Choose two.)

A. Type 5 LSAs are translated by the ASBR into Type 7 LSAs.

B. Type 7 LSAs are translated by the ABR into Type 5 LSAs.

C. The ASBR originates Type 5 LSAs for redistributed external routes.

D. The ASBR originates Type 7 LSAs for redistributed external routes.

Which statement is correct about the OSPF router ID (RID)?

A. The OSPF RID must match for all routers in the same area.

B. The OSPF RID for IPv6 is a 128-bit address.

C. The OSPF RID for IPv4 is a 32-bit address.

D. The OSPF RID is not necessary when BFD is implemented.

Click the Exhibit button.

You have an ESXi host that is connected to ge-0/0/23 on a Juniper EX Series switch. You added a new VM that will also use the same ge-0/0/23 interface. Unfortunately, the new VM is not able to reach external devices.
Referring to the exhibit, which command would solve this problem?

A. set vlans default switch-options interface-mac-limit 4

B. set vlans default switch-options interface-mac-limit 5

C. set switch-options interface ge-0/0/23.0 interface-mac-limit 3

D. clear ethernet-switching recovery-timeout interface ge-0/0/23.0

Click the Exhibit button.

Referring to the exhibit, which statement is correct?

A. The router is acting as the DR.

B. The router is acting as the BDR.

C. The router is acting as a DROther.

D. The router is not able to establish an adjacency.

Which two statements about a unified ISSU are correct? (Choose two.)

A. It requires that Bidirectional Forwarding Detection be disabled.

B. It requires that graceful Routing Engine switchover be enabled.

C. It is only supported on platforms with redundant control planes.

D. It is only supported on platforms with redundant power supplies.

You have a VLAN with two devices acting as a single gateway for hosts.
In this scenario, which protocol would provide a single gateway IP for the hosts?

A. VRRP

B. OSPF

C. IS-IS

D. BGP

Click the Exhibit button.

Referring to the exhibit, which statement is correct?

A. The device is the root bridge?

B. The spanning tree session has timed out.

C. The local bridge priority is set to 8k.

D. The bridge priority on the root device is set to 8k.

Each PC and IP phone in your network is connected to a switch using the same port. All incoming data traffic is untagged and belongs to the v10 VLAN, while traffic coming from the IP phones is tagged with a VLAN value of 20 and should belong to the v20 VLAN on your switch.
In this scenario, which statement is correct?

A. You must enable the voice VLAN feature on the incoming interfaces and assign the v20 VLAN.

B. You must enable an IRB interface and assign it to the v10 and v20 VLANs.

C. You must enable LLDP-MED on the incoming interfaces and assign the v20 VLAN.

D. You must enable the guest VLAN feature on the incoming interfaces and assign the v20 VLAN.

Click the Exhibit button.

You are responsible for managing a Layer 2 network using RSTP for loop prevention. You recently committed the configurations shown in the exhibit. Unfortunately, Switch-2 became the root bridge and you must ensure that Switch-1 becomes the root bridge, when available, for this RSTP topology.
Referring to the exhibit, which configuration change should be performed?

A. Configure the ge-0/0/1 and ge-0/0/8 interfaces on Switch-1 to have a priority of 255.

B. Configure the system MAC on Switch-1 to be higher than the other two switches.

C. Configure the bridge-priority on Switch-1 as 4k.

D. Configure the ge-0/0/1 and ge-0/0/8 interfaces on Switch-1 to have a cost of 0.

Which two statements about Martian addresses are correct? (Choose two.)

A. Martian addresses require a route prefix match type.

B. Martian addresses are not installed in the routing table by default.

C. Martian addresses can only be applied to the inet.0 routing table.

D. Martian addresses are installed in the routing table by default.

Click the Exhibit button.

Referring to the exhibit, which router will be selected as the DR?

A. R1

B. R5

C. R4

D. R3

Click the Exhibit button.

Referring to the exhibit, which type of route is displayed?

A. martian

B. static

C. generate

D. aggregate

You are asked to configure filter-based forwarding (FBF) to forward traffic sourced from a specific subnet to a webserver.
In this scenario, which mechanism is used to add interface routes to the forwarding routing instance used in FBF?

A. generated routes

B. RIB groups

C. forwarding policy

D. routing policy

You do not want any spanning tree protocols operating in your environment, and you want to ensure that no BPDUs can be introduced into the environment.
Which statement is true in this scenario?

A. You must run a spanning tree protocol to block BPDUs.

B. Incoming BPDUs are blocked by default if a spanning tree protocol is not operating.

C. You can block BPDUs without running a spanning tree protocol using Layer 3 control.

D. Incoming BPDUs can only be blocked by the root bridge.

By default, how long will a learned MAC address be retained in the bridge table on an EX Series switch?

A. 600 seconds

B. 3600 seconds

C. 300 seconds

D. 1800 seconds

Click the Exhibit button.

You are trying to form an IS-IS adjacency between Router A and Router B, but the IS-IS adjacency will not form between the two routers.
Referring to the exhibit, which action would solve this problem?

A. Enable level 1 IS-IS routing on Router

B. Enable IS-IS wide metrics on Router

C. Enable level 2 IS-IS routing on Router

D. Enable IS-IS wide metrics on Router

E.

Which two statements about a Virtual Chassis are correct? (Choose two.)

A. A Virtual Chassis is managed using a single virtual console port.

B. You must use the same EX Series switch for all members in a Virtual Chassis.

C. All members in a Virtual Chassis must be running the same Junos version.

D. Each device must be managed separately.

Click the Exhibit button.

Referring to the exhibit, what does the asterisk(*) following the ge-0/0/5.0 interface indicate?

A. It indicates the interface is not active.

B. It indicates the interface is a trunk port.

C. It indicates the interface is an access port.

D. It indicates the interface is active.

Click the Exhibit button.

Referring to the exhibit, Router 1 learns about Route X.
Which statement is correct about Route X when using the default BGP advertisement rules?

A. R1 will not advertise this route to any peers.

B. R3 will not advertise this route to R4 or R5 without an explicit policy.

C. R4 and R5 will not advertise this route to each other.

D. R2 will not advertise this route to R3 without an explicit policy.

Which two statements about Layer 2 loop prevention protocols are correct? (Choose two.)

A. RSTP distributes the current tree topology using the root bridge.

B. STP can take 30 to 50 seconds to respond to a topology change.

C. RSTP can take 30 to 50 seconds to respond to a topology change.

D. STP distributes the current tree topology using the root bridge.

Click the Exhibit button.

Referring to the exhibit, which statement is correct?

A. R1 and R2 are elected as DROthers.

B. R3 has the complete OSPF database.

C. R3 and R4 have an adjacency state of Full.

D. R4 is elected as the DR.

Click the Exhibit button.

Given the exhibit, which two statements are correct regarding the graceful-restart state for the BGP groups? (Choose two.)

A. The graceful-restart capability will be enabled for group IBGP.

B. The graceful-restart capability will be disabled for group IBGP.

C. The graceful-restart capability will be disabled for group EBGP.

D. The graceful-restart capability will be enabled for group EBGP.

Click the Exhibit button.

Referring to the exhibit, the IRB interfaces are configured with which family?

A. irb

B. ethernet-switching

C. inet

D. l3-interface

The router ID is not configured.
How does OSPFv3 determine the router ID in this situation?

A. OSPFv3 uses the IPv4 address of the first interface that comes up.

B. OSPFv3 uses the IPv6 address of the last interface that comes up.

C. OSPFv3 uses the IPv6 address of the first interface that comes up.

D. OSPFv3 uses the IPv4 address of the last interface that comes up.

Which two statements about RSTP are correct? (Choose two.)

A. RSTP is backward compatible with STP.

B. RSTP permits multiple root bridges within a Layer 2 domain.

C. RSTP permits only a single root bridge within a Layer 2 domain.

D. RSTP is not backward compatible with STP.

Which three link-specific fields must match between OSPF neighbors before they form an adjacency over a broadcast medium? (Choose three.)

A. router priority

B. hello interval

C. neighbor

D. dead interval

E. options

What is the default route preference for BGP?

A. 150

B. 167

C. 170

D. 179

Which OSPF area type receives only the default route from the backbone?

A. transmit area

B. totally stubby area

C. not so stubby area

D. stub area

Click the Exhibit button.

Referring to the exhibit, which port will be selected as the RSTP root port on Switch-4?

A. ge-0/0/13.0

B. ge-0/0/8.0

C. ge-0/0/9.0

D. ge-0/0/12.0

You have two routers unable to form an IS-IS Level 1 adjacency.
Which two statements describe a reason for this problem? (Choose two.)

A. The MTU is set to 1500.

B. Interface lo0 is not included as an IS-IS interface.

C. The area numbers are different.

D. The interfaces are on different subnets.

You are configuring OSPF and want to ensure that interface ge-0/0/3 is preferred over interface ge-0/0/4.
Which statement is correct in this scenario?

A. Configure ge-0/0/3 with a higher metric.

B. Configure reference bandwidth.

C. Configure a redistribution policy.

D. Configure ge-0/0/4 with a higher metric.