Updated JN0-348 Dumps PDF - JN0-348 Real Valid Brain Dumps With 95 Questions! [Q45-Q68]

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Updated JN0-348 Dumps PDF - JN0-348 Real Valid Brain Dumps With 95 Questions!

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Juniper JN0-348 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Demonstrate knowledge of how to configure, monitor or troubleshoot IP tunnels
  • Native VLANs and voice VLANs
Topic 2
  • Describe the concepts, operation or functionality of BGP
  • Demonstrate knowledge how to configure, monitor, or troubleshoot Layer 2 security
Topic 3
  • Describe the concepts, operation or functionality of OSPF
  • Demonstrate knowledge how to configure, monitor or troubleshoot OSPF
Topic 4
  • Demonstrate knowledge of how to configure, monitor or troubleshoot IS-IS
  • Describe the concepts, operation or functionality of IS-IS
Topic 5
  • Identify the concepts, benefits or operation of Layer 2 firewall filters
  • Layer 2 Switching or VLANs
  • Inter-VLAN Routing
Topic 6
  • Describe the concepts, benefits, or functionality of VLANs
  • Firewall filter configuration and application
Topic 7
  • Demonstrate knowledge how to configure, monitor or troubleshoot Layer 2 switching or VLANs
  • Junos Network Director
Topic 8
  • Identify the concepts, operation, or functionality of Layer 2 switching for the Junos OS
  • Identify the concepts, benefits or operation of various Layer 2 protection or security features
Topic 9
  • Demonstrate knowledge of how to configure, monitor, or troubleshoot BGP
  • IBGP and EBGP functionality and interaction
Topic 10
  • Identify the concepts, requirements or functionality of IP tunneling
  • Demonstrate knowledge how to configure, monitor, or troubleshoot STP and RSTP

 

NEW QUESTION 45
Exhibit.

A number of reports from end users indicate that internal and external communications are intermittent and not reliable. You verified the status of the switch ports and have determined that they are up and operational. You also noticed a very high level of link bandwidth utilization on those same ports. The current topology of the affected environment is shown in the exhibit.
What would be the cause of the reported issues?

  • A. A lack of port-based ACLs filtering the traffic flows.
  • B. A malformed route-based ACL Improperly filtering traffic flows.
  • C. A misconfigured interior gateway protocol (IGP).
  • D. A lack of a loop-prevention mechanism or protocol.

Answer: A

 

NEW QUESTION 46
Exhibit.
***Exhibit is Missing***
Which configuration change Is needed for an IS-IS level adjacency between R1 and R2?

  • A. Enable level 2 on R1's ge-0/01 interface.
  • B. Disable Level 2 on R2's ge-0/01 interface.
  • C. Configure the Io0 family ISO address 49.0010.0042.00 on R2.
  • D. Configure the Io0 family address 49.0002.0010.0042.0002.00 on R1.

Answer: D

 

NEW QUESTION 47
Which mechanism is used to share routes between routing tables?

  • A. RIB groups
  • B. routing instances
  • C. filter-based forwarding
  • D. forwarding instances

Answer: A

 

NEW QUESTION 48
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 is not recognized by the Virtual Chassis.
  • D. The new switch will be assigned a member ID and then placed in an inactive state.

Answer: D

 

NEW QUESTION 49
How many bytes of overhead are added to packet traversing a GRE tunnel?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: D

 

NEW QUESTION 50
Referring to the exhibit.

Which three actions would summarize these routes to a BGP peer? (Choose three.)

  • A. Create a policy that accepts the more specific contributing routes.
  • B. Create a route to 10.200.16.0/21 with a next hop of 172.16.36.1 under the [edit routing- options static] hierarchy.
  • C. Create a policy that rejects the more specific contributing routes.
  • D. Create a policy to accept aggregate routes.
  • E. Create a 10.200.16.0/22 route under the [edit routing-options aggregate] hierarchy.

Answer: C,D,E

 

NEW QUESTION 51
Which statement is true about IP-IP tunnels?

  • A. The time-to-live value of the original packet Is decremented.
  • B. IP-IP tunnels are protocol agnostic.
  • C. The packet is encapsulated unchanged before entering the tunnel
  • D. The packet header is replaced before entering the tunnel

Answer: C

 

NEW QUESTION 52
Exhibit.

Click the Exhibit button Referring to the exhibit, what will be the IS-IS adjacency result of the configurations?

  • A. A level 2 IS4S adjacency will form
  • B. A level 1 IS-IS adjacency will form
  • C. A level 1 and level 2 IS-IS adjacency will form
  • D. No IS-IS adjacencies will form

Answer: D

 

NEW QUESTION 53
What are two OSPF packet types that use multicast for communication on a multicast segment? (Choose two.)

  • A. link-state request
  • B. hello
  • C. database description
  • D. link-state update

Answer: B,D

 

NEW QUESTION 54
Referring to the exhibit, which three statements are true? (Choose three.)

  • A. Frames on interface ge-0/0/2 can be tagged with VLAN ID 101 or VLAN 1.
  • B. The switch cannot be managed through the production network.
  • C. Interface ge-0/0/1 is an access port.
  • D. There are no active ports in the default VLAN.
  • E. Frames on interface ge-0/0/0 can be tagged with VLAN ID 101.

Answer: B,C,E

 

NEW QUESTION 55
Which two OSPF header fields must match to form an adjacency over a broadcast connection? (Choose two.)

  • A. Options
  • B. Router priority
  • C. Hello interval
  • D. neighbor

Answer: A,C

 

NEW QUESTION 56
***Exhibit is Missing***
You want to prevent rogue BPDUs from lab devices reaching the internal network through the lab_Switch device.
Referring to the exhibit, what should be done to accomplish this task?

  • A. Configure the three lab ports as edge ports
  • B. Configure protocols rstp with the bpdu-block-on-edge parameter for interface xe-0/2/0
  • C. Configure the three lab ports under the protocols layer2-control bpdu-block hierarchy on the switch
  • D. Configure an input filter on interface xe-0/2/0 to discard the RSTP packets.

Answer: C

 

NEW QUESTION 57
Click the Exhibit button.

You are troubleshooting an IS-IS adjacency problem as shown in the exhibit.
Which action would solve the problem?

  • A. Configure the INET6 family for the loopback interface.
  • B. Configure matching authentication keys.
  • C. Configure the ISO family for the loopback interface.
  • D. Configure matching area IDs.

Answer: D

 

NEW QUESTION 58
Which two statements are correct about redundant trunk groups on EX Series switches? (Choose two.)

  • A. Redundant trunk groups load balance traffic across two designated uplink interfaces.
  • B. Layer 2 control traffic is permitted on the secondary link.
  • C. If the active link fails, then the secondary link automatically takes over.
  • D. Redundant trunk groups use spanning tree to provide loop-free redundant uplinks.

Answer: B

Explanation:
A: While data traffic is blocked on the secondary link, Layer 2 control traffic is still permitted. For example, an LLDP session can be run between two switches on the secondary link.
B: The redundant trunk group is configured on the access switch and contains two links: a primary or active link, and a secondary link. If the active link fails, the secondary link automatically starts forwarding data traffic without waiting for normal spanning-tree protocol convergence.
http://www.juniper.net/documentation/en_US/junos13.2/topics/concept/cfm-redundant-trunk- groups-understanding.html

 

NEW QUESTION 59
Click the Exhibit button.

Referring to the exhibit, which policy will export routes to IBGP peers?

  • A. static-3
  • B. static-4
  • C. static-2
  • D. tatic-1

Answer: B

 

NEW QUESTION 60
Which three mechanisms are associated with the bridging process? (Choose three.)

  • A. filtering
  • B. listening
  • C. flooding
  • D. blocking
  • E. aging

Answer: A,C,E

Explanation:
Explanation
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/bridging-and-vlans.html

 

NEW QUESTION 61
You created a policy to reject all incoming routes from peer 2.2.2.2.
You notice that despite applying the policy, you are still receiving routes from this peer.

Referring to the exhibit, why are you still receiving the routes?

  • A. You cannot block incoming IBGP routes.
  • B. The policy should have a form statement.
  • C. You can only block active prefixes.
  • D. The policy should be an import policy.

Answer: D

 

NEW QUESTION 62
Which three statements are correct about the voice VLAN feature? (Choose three.)

  • A. It allows trunk ports to accept tagged voice and untagged data packets.
  • B. It can be used with LLDP-MED to dynamically assign the VLAN ID value to IP phones.
  • C. It must use the same VLAN ID as data traffic on a defined interface.
  • D. It allows you to apply independent CoS actions to data and voice packets.
  • E. It allows the access port to accept tagged voice and untagged data packets.

Answer: B,D,E

Explanation:
A (not D): The Voice VLAN feature in EX-series switches enables access ports to accept both data (untagged) and voice (tagged) traffic and separate that traffic into different VLANs.
B: To assign differentiated priority to Voice traffic, it is recommended that class of service (CoS) is configured prior to enabling the voice VLAN feature. Typically, voice traffic is treated with a higher priority than common user traffic. Without differentiated treatment through CoS, all traffic, regardless of the type, is subject to the same delay during times of congestion.
C: In conjunction with Voice VLAN, you can utilize Link Layer Discovery Protocol Media Endpoint Discovery (LLDP-MED) to provide the voice VLAN ID and 802.1p values to the attached IP phones. This dynamic method associates each IP phone with the appropriate voice VLAN and assigns the necessary802.1p values, which are used by CoS, to differentiate service for voice traffic within a network.
https://kb.juniper.net/InfoCenter/index?page=content&id=KB11062&actp=search

 

NEW QUESTION 63
Click the Exhibit button.

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

  • A. generate
  • B. static
  • C. martian
  • D. aggregate

Answer: D

 

NEW QUESTION 64
Click the Exhibit button.

Based on the output shown in the exhibit, which statement is correct?

  • A. This switch has a bridge priority of 8k.
  • B. The ge-0/0/15 interface is using the default port cost.
  • C. This switch is currently blocking all traffic.
  • D. The ge-0/0/9 interface is using the default priority value.

Answer: A

 

NEW QUESTION 65
Click the Exhibit button.

Referring to the exhibit, what will be the IS-IS adjacency result of the configurations?

  • A. A level 1 IS-IS adjacency will form.
  • B. A level 1 and level 2 IS-IS adjacency will form.
  • C. No IS-IS adjacencies will form.
  • D. A level 2 IS-IS adjacency will form.

Answer: C

 

NEW QUESTION 66
Click the Exhibit button.

Referring to the exhibit, you are asked to ensure that host-1 can communicate with host-3 while also allowing host-2 to communicate with host-4.
What should you do to enable this behavior?

  • A. Use the all keyword when defining the member VLANs for the ge-0/0/1 interface on Switch-1.
  • B. Configure the native-vlan-id default statement under the ge-0/0/1 port settings on both Switch-1 and Switch-2
  • C. Use the all keyword when defining the member VLANs for the ge-0/0/1 interface on both Switch-1 and Switch-2.
  • D. Configure the native-vlan-id default statement under the ge-0/0/1 port settings on Switch-1.

Answer: B

 

NEW QUESTION 67
Which area is reserved for the OSPF backbone?

  • A. Area 1.1.1.1
  • B. Area 3.3.3.3
  • C. Area 2.2.2.2
  • D. Area 0.0.0.0

Answer: D

 

NEW QUESTION 68
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