You want to configure Layer 2 services over an IP-based tunneling mechanism between two sites.
Which configuration statement is required to accomplish this task?

A. set interfaces gr-0/0/0.0 family bridge

B. set interfaces ip-0/0/0.0 encapsulation vlan-bridge

C. set interfaces gr-0/0/0.0 encapsulation vlan-bridge

D. set interfaces ip-0/0/0.0 family bridge

What are two advantages of a point-to-point OSPF adjacency? (Choose two.)

A. Only a DR is elected.

B. No type 1 LSAs are generated.

C. No type 2 LSAs are generated.

D. There is quicker neighbor establishment.

Which protocol prevents loops and calculates the best path through a switched network that contains redundant paths?

A. VRRP

B. STP

C. DHCP

D. IS-IS

Which two characteristics are true for EBGP peerings? (Choose two.)

A. EBGP peers must be directly connected.

B. EBGP connects peer devices in the same autonomous system.

C. EBGP connects peer devices in two different autonomous systems.

D. EBGP peers can be connected over a multihop connection.

Which Junos feature allows you to combine multiple interfaces into a single bundle?

A. VRRP

B. Virtual Chassis

C. LAG

D. NSB

Which statement is correct about IS-IS link state PDUs?

A. They are used to maintain link-state database synchronization.

B. They are used to establish adjacencies.

C. They are used to build the link-state database.

D. They are used to determine whether the neighbors are Level 1 or Level 2.

You have a conference room with an open network port that is used by employees to connect to the network. You are concerned about rogue switches being connected to this port.
Which two features should you enable on your switch to limit access to this port? (Choose two.)

A. DHCP snooping

B. dynamic ARP inspection

C. MAC limiting

D. 802.1X

What are two benefits of 802.3ad link aggregation? (Choose two.)

A. It increases bandwidth.

B. It ensures symmetrical paths.

C. It simplifies interface configuration.

D. It creates physical layer redundancy.

Which statement is true about IP-IP tunnels?

A. Intermediate devices must have a route to the destination address of the traffic being tunneled.

B. Intermediate devices must have a route to both the tunnel source address and the tunnel destination address.

C. Intermediate devices must have a route to the tunnel destination address but do not require a route to the tunnel source address.

D. Intermediate devices must have a route to the tunnel source address but do not require a route to the tunnel destination address.

Your network connections to the Internet through two different ISPs using EBGP. You must ensure that ISP1 is the primary path used for all traffic entering your network while using ISP2 as a backup path.
In this scenario, which statement is correct?

A. You should use a lower MED value on routes sent to ISP1.

B. You should assign a higher local preference on routes that you are sending to ISP1.

C. You should change the next hop for all routers sent to ISP2.

D. You should prepend your local AS number three times on routes that you are sending to ISP2.

Which two port security features use the DHCP snooping database for additional port security? (Choose two.)

A. dynamic ARP inspection

B. MACsec

C. IP Source Guard

D. MAC learning

Which static route next-hop value indicates that the packet will be silently dropped?

A. resolve

B. discard

C. reject

D. next-table

You want to advertise only a default route into a new area, which will be called area 7.
In this scenario, which configuration statement would solve this problem?

A. user@host# set protocols ospf area 0.0.0.7 nssa default-lsa default-metric 10

B. user@host# set protocols ospf area 0.0.0.7 stub no-summaries

C. user@host# set protocols ospf area 0.0.0.7 stub default-metric 10

D. user@host# set protocols ospf area 0.0.0.7 stub

Which two OSPF header fields must match to form an adjacency over a broadcast connection? (Choose two.)

A. router priority

B. options

C. hello interval

D. neighbor

Which two statements describe BGP attributes? (Choose two.)

A. BGP attributes help determine the best path to a destination.

B. The origin attribute indicates the autonomous systems through which the route has traversed.

C. BGP attributes are always optional.

D. The AS path attribute indicates the autonomous systems through which the route has traversed.

When configuring firewall filters, which function does the interface-specific parameter enable on an EX Series switch?

A. The interface-specific parameter is required to configure port-specific counters.

B. The interface-specific parameter is required to configure VLAN-specific counters.

C. The interface-specific parameter is required to configure VLAN-based filters.

D. The interface-specific parameter is required to configure port-based firewall filters.

You have configured the router with an IS-IS interface metric of 2048. However, the IS-IS interface metric of 63 is being applied for the interface of this router.
What must you do to enable the larger metric value?

A. Enable wide metrics.

B. Disable narrow metrics.

C. Restart the IS-IS protocol.

D. Enable level 1 IS-IS routing.

You configured a GRE tunnel that traverses a path using default MTU settings. You want to ensure that packets are not dropped of fragmented.
In this scenario, what is the maximum packet size that would traverse the GRE tunnel?

A. 1500

B. 1400

C. 1524

D. 1476

Which two requirements must be satisfied before graceful restart will work? (Choose two.)

A. a stable network topology

B. a neighbor configured with BFD

C. a neighbor configured with graceful restart

D. a neighbor with an uptime greater than an hour

Which statement is correct about trunk ports?

A. Trunk ports must have an IRB assigned to accept VLAN tagged traffic.

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

C. By default, a trunk port can have only a single VLAN assigned.

D. trunk ports must have an IRB assigned to accept untagged traffic.

What are two characteristics of OSPF ABRs? (Choose two.)

A. ABRs transmit routing information between the backbone and other areas.

B. ABRs cannot be part of the backbone and another area at the same time.

C. ABRs inject routing information from outside the OSPF domain.

D. ABRs link two OSPF areas.

Your network is configured with dynamic ARP inspection (DAI) using the default parameters for all the DHCP and ARP related configurations. You just added a new device connected to a trunk port and configured it to obtain an IP address using DHCP.
Which two statements are correct in this scenario? (Choose two.)

A. The DHCP server assigns the IP addressing information to the new device.

B. DAI validates the ARP packets for the new device against the DHCP snooping database.

C. The ARP request and response packets for the new device will bypass DAI.

D. DHCP snooping adds the DHCP assigned IP address for the new device to its database.

Referring to the exhibit, which configuration will force traffic to always use ae0.0 as long as it is active?
A.
 
B.
 
C.
 
D.
 

Which area is reserved for the OSPF backbone?

A. Area 0.0.0.0

B. Area 1.1.1.1

C. Area 2.2.2.2

D. Area 3.3.3.3

Which two statements are correct regarding the root bridge election process when using STP? (Choose two.)

A. A lower system MAC address is preferred.

B. A higher bridge priority is preferred.

C. A lower bridge priority is preferred.

D. A higher system MAC address is preferred.

You want to configure your Junos device so that routing information from certain prefixes on a neighboring router are ignored.
What should you configure on your device?

A. It interface

B. firewall rule

C. martian address

D. vt interface

What are two reasons for configuring more than one VLAN on a switch? (Choose two.)

A. A group of clients requires that security be applied to traffic entering or exiting the group’s devices.

B. A group of devices must forward traffic across a WAN.

C. A group of devices are connected to the same Layer 3 network.

D. A group of clients requires that the group’s devices receive less broadcast traffic than they are currently receiving.

Which three mechanisms are associated with the bridging process? (Choose three.)

A. blocking

B. flooding

C. aging

D. filtering

E. listening

Which two routes belong to the 172.16.0.0/22 aggregate route? (Choose two.)

A. 172.16.4.0/24

B. 172.16.0.0/24

C. 172.16.5.0/24

D. 172.16.3.0/24

Click the Exhibit button.
 
Your router is configured to peer with your ISP's router using BGP. You can only control your BGP configuration.
Which address families are negotiated between the two BGP peers shown in the exhibit?

A. inet-unicast inet-vpn-unicast 12vpn-signaling

B. inet-unicast

C. inet-vpn-unicast

D. inet-unicast inet-vpn-unicast 12vpn

Click the Exhibit button.
 
Referring to the exhibit, Router-1 is attempting to form an EBGP session with Router-2. However, BGP routes are never exchanged between Router-1 and
Router-2.
What is causing the problem?

A. The TCP-MSS value is set too low

B. The EXT group is not configured as an external type BGP peering session

C. The EBGP session is configured to use the wrong AS

D. The keep all statement is preventing the session from establishing

Click the Exhibit button.
 
Referring to the exhibit, which router becomes the OSPF DR when all routers are powered on at the same time?

A. R3

B. R4

C. R1

D. R2

What are two methods for reducing the size of an OSPF link-state database? (Choose two.)

A. Use unique router IDs where possible.

B. Use identical link metrics where possible.

C. Use point-to-point interface types where possible.

D. Use stub areas where possible.

You are adding a new EX4300 member switch to your existing EX4300 Virtual Chassis. However, the new member is not running the same Junos version as the other members.
By default, what is the expected behavior in this scenario?

A. the Virtual Chassis will transition into a split brain situation between the existing master Routing Engine and the switch running the different version.

B. The new switch will automatically pull the correct version from the master Routing Engine and perform the necessary upgrade.

C. The new switch will be assigned a member ID and then placed in an inactive state.

D. The new switch is not recognized by the Virtual Chassis.

What are the three possible port states when using RSTP? (Choose three.)

A. forwarding

B. learning

C. discarding

D. listening

E. tagging

What are two characteristics of IS-IS CSNPs? (Choose two.)

A. IS-IS CSNPs contain header information for all link-state PDUs.

B. IS-IS CSNPs are used to request a copy of a missing link state PDU.

C. IS-IS CSNPs are used to maintain the link-state database synchronization.

D. IS-IS CSNPs contain header information for specific requested link-state PDUs.

You added a new ESXi host connected to port ge-0/0/1. One of the VMs configured with VLAN 10 is not reachable from any other device on the switch. To troubleshoot, you decide to verify if the VM's MAC address is learned properly under VLAN 10.
Which command would you use in this scenario?

A. show ethernet-switching table vlan-id 10

B. show interfaces ge-0/0/1 detail

C. show vlans 10

D. monitor interface ge-0/0/1

How many bytes of overhead are added to a packet traversing a GRE tunnel?

A. 20

B. 24

C. 12

D. 16

Click the Exhibit button.
 
Referring to the exhibit, which configuration change is needed for an IS-IS Level 1 adjacency between R1 and R2?

A. Configure the lo0 family ISO address 49.0002.0010.0042.0002.00 on R2

B. Configure the lo0 family ISO address 49.0002.0010.0042.0002.00 on R1

C. Enable Level 2 on R1’s ge-0/0/1 interface

D. Disable Level 2 on R2’s ge-0/0/1 interface

Which two sequences correctly describe the processing order of firewall filters on an EX Series switch? (Choose two.)

A. router filter > VLAN filter > port filter > transmit packet

B. port filter > VLAN filter > router filter > transmit packet

C. receive packet > port filter > VLAN filter > router filter

D. receive packet > router filter > VLAN filter > port filter

Click the Exhibit button.
 
Which statement is true about the configuration shown in the exhibit?

A. Only the local-pref import policy will be evaluated when routes are learned from neighbor 172.30.1.1

B. Only the add-community import policy will be evaluated when routes are learned from neighbor 172.30.1.1

C. No import policy will be evaluated when routes are learned from neighbor 172.30.2.1

D. Both the add-community and local-pref import policies will be evaluated when routes are learned from neighbor 172.30.2.1

Which statement is true when using LAGs with an EX4300?

A. Speeds on member links can differ.

B. Member links must be contiguous.

C. Half duplex is supported on the LAG.

D. You can have up to 16 member links per LAG.

Click the Exhibit button.
 
Referring to the output shown in the exhibit, which two statements are true?

A. The route is active

B. The route is not active

C. The route is a generate route

D. The route is an aggregate route

What is the default BGP group type on a Junos device?

A. internal

B. external

C. multihop

D. null

Click the Exhibit button.
 
In the exhibit, each IP subnet in the network is associated with a unique VLAN ID.
Which action will ensure that Host C will communicate with Host A and Host B?

A. Configure an IRB interface for each VLAN and associate it with its corresponding VLAN

B. Configure a port-based ACL that permits inter-VLAN routing for all configured VLANs

C. Configure all switch ports connecting to the host devices as trunk ports associated with all VLANs

D. Configure all switch ports connecting to the host devices as access ports associated with a common VLAN

Which two situations would cause dynamic ARP inspection to drop traffic? (Choose two.)

A. if no IP-to-MAC address entry exists in the DHCP snooping database

B. if the IP address in the ARP packet is deemed invalid

C. if the requested MAC address exceeds the configured limit on the port

D. if the ARP packet comes from a port that has been configured as trusted

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

A. Router A does not send routes learned from Router E to Router B, Router C, and Router D

B. Router A sends routes learned from Router E to Router B, Router C, and Router D

C. Router A sends routes learned from Router D to Router B and Router C

D. Router A does not send routes learned from Router D to Router B and Router C

Click the Exhibit button.
 
Referring to the exhibit, what is the problem?

A. The LAG member interfaces are configured across different line cards

B. LAG requires more than two member links

C. LACP is required for LAG to work

D. Aggregated interfaces must be defined under the chassis stanza

Click the Exhibit button.
 
Given the route shown in the exhibit, which two prefixes contribute to the aggregate route? (Choose two.)

A. 172.12.31.0/24

B. 172.12.33.0/24

C. 172.12.30.0/24

D. 172.12.32.0/24

You want to use filter-based forwarding (FBF) to forward traffic sourced from subnet 10.0.0.0/24 to a specific destination.
Which two routing instance types would enable you to accomplish this task? (Choose two.)

A. virtual switch

B. virtual routing and forwarding

C. virtual router

D. forwarding