Updated JN0-348 Dumps PDF - JN0-348 Real Valid Brain Dumps With 95 Questions!
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What Is Juniper Networks Certified Internet Specialist - Enterprise Routing and Switching?
This certification is targeted towards seasoned networking specialists with advanced knowledge of routing and switching implementations within Junos. In general, such a certificate measures the basic knowledge of routing and switching concepts and how they relate to platform configuration and other relevant skills. The prerequisite training for attaining this designation is the mid-level Juniper Networks Certified Internet Associate - Junos certification. Of course, we can’t fail to mention the fact this Juniper certificate is part of the broader Juniper Enterprise Routing and Switching Certification Path which also includes the aforementioned JNCIA-Junos certification.
NEW QUESTION 21
Exhibit.
You manage the layer 2 network shown in the exhibit, You experience a failure on the ge-0/0/0 link between Swicth-1 and Switch-2.
Which statement is correct about expected behavior?
- A. Swicth-2's ge0/0/2 port role and state will transition to root and forwarding.
- B. Switch-2 will remove itself from the RSTP topology.
- C. Switch-2 will become the root bridge for a separate RSTP topology.
- D. Switch-2's ge0/0/2 port role and state will remain as designated and forwarding.
Answer: A
NEW QUESTION 22
Click the Exhibit button.
Based on the output shown in the exhibit, which statement is correct?
- A. This switch has been elected as the root bridge
- B. The ge-0/0/15 interface is using the default port cost
- C. This switch has a bridge priority of 32k
- D. The ge-0/0/9 interface is using the default priority value
Answer: A
NEW QUESTION 23
Exhibit.
Your switches are managed using Junos Space Network Director. You want to secure the switches using a Network Director filter profile. A filter profile containing one term shown In the exhibit is deployed to ports on managed devices.
Which traffic will be accepted by the filter?
- A. No traffic will be accepted.
- B. Traffic containing a source MAC of 02:85:05:00:00:00/24 will be accepted.
- C. Traffic containing a destination MAC of 02:85:05:00:00:00/24 will be accepted.
- D. All traffic will be accepted.
Answer: D
NEW QUESTION 24
Click the Exhibit button. The exhibit shows that Host-1 and Host-2 are attached to the switch and associated with IRB irb.1.
However, traffic sent from Host-1 to Host-2 is not blocked as expected.
Why is this problem occurring?
- A. The block-host filter is applied in the wrong direction on theirb.1interface.
- B. The Block-Host-2 term does not contain the MAC address of Host-2.
- C. Inter-VLAN traffic cannot be blocked by a router-based filter.
- D. Intra-VLAN traffic cannot be blocked by a router-based filter.
Answer: A
Explanation:
The block-host filter blocks traffic with source address of 10.10.12.102, which is traffic sent from Host-2. It should block traffic from Host-1, with the source address of 10.10.12.101.
NEW QUESTION 25
Click the Exhibit button.
Referring to the exhibit, which statement is correct?
- A. Next hops 10.20.20.1 and 10.30.30.1 will both be active.
- B. 10.20.20.1 will be the active next hop.
- C. Packets will be load balanced.
- D. 10.30.30.1 will be the active next hop.
Answer: B
NEW QUESTION 26
Which two statements are true about STP port states? (Choose two.)
- A. In the listening state, the port forwards all data packets.
- B. A port that has been administratively disabled under the STP protocol drops all BPDUs.
- C. A port that has been administratively disabled under the STP protocol floods all BPDUs.
- D. In the learning state, the port drops all data packets.
Answer: B,D
Explanation:
B: A port in the disabled state is manually isolated from the network. A port in the disabled state does not participate in frame forwarding or the operation of STP because a port in the disabled state is considered non-operational.
C: The learning state is a 15-second interval during which the bridge does not pass user data frames while the bridge is building its bridging table. As the bridge receives frames, it places the source MAC address and port of each frame into the bridging table. The learning state reduces the amount of flooding required when data forwarding begins.
NEW QUESTION 27
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 active.
- B. It indicates the interface is not active.
- C. It indicates the interface is a trunk port.
- D. It indicates the interface is an access port.
Answer: A
Explanation:
An asterisk (*) beside the interface indicates that the interface is UP.
http://www.juniper.net/documentation/en_US/junos14.1/topics/reference/command- summary/show-vlans-bridging-qfx-series.html
NEW QUESTION 28
Exhibit.
Referring to the output shown in the exhibit, which statement is correct?
- A. 11.0.0.108.32 is being per-flow load-balanced.
- B. 11.0.0.108 is being per-packet load-balanced.
- C. 11.0.0.102/32 is being per-flow load-balanced.
- D. 11.0.0.102/32 is being per-packet load-balanced.
Answer: D
NEW QUESTION 29
Exhibit.
Referring to the exhibit, the local router should have an IS-IS adjacency with a neighboring router, but the adjacency never establishes correctly.
What should you do to solve the problem?
- A. Disable level 2 for the interfaces.
- B. Disable wide metrics.
- C. Change the local IS-IS area ID to 49.0002.
- D. Disable level 1 for the interfaces.
Answer: D
NEW QUESTION 30
Which two statements are true about the IRB interface? (Choose two.)
- A. An IRB interface is a Layer 2 VLAN interface.
- B. An IRB interface is used to route traffic between VLANs.
- C. An IRB interface cannot be associated with any VLAN.
- D. An IRB interface is a Layer 3 VLAN interface.
Answer: B,D
NEW QUESTION 31
Exhibit.
Referring to the exhibit, which statement is correct?
- A. The ge-0/0/9 interface is using the default interface priority value.
- B. This switch has a bridge priority of 8k.
- C. The ge-0/0/15 interface is using the default port cost.
- D. This switch is currently blocking all traffic.
Answer: B
NEW QUESTION 32
Click the Exhibit button.
A recent security audit indicates that peer-to-peer applications are allowed on the guest VLAN and employees may have been using the guest VLAN for this purpose. You deploy the configuration shown in the exhibit, but it does not stop the peer-to-peer traffic.
In this scenario, what must you do to implement the security policy?
- A. Use persistent MAC learning
- B. Implement 802.1X on the guest VLAN
- C. Deploy storm control to block unknown unicast traffic
- D. Attach the filter to the VLAN
Answer: D
NEW QUESTION 33
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 34
Click the Exhibit button. Referring to the exhibit, which statement is correct?
- A. The bridge priority on the root device is set to 8k.
- B. The local bridge priority is set to 8k.
- C. The spanning tree session has timed out.
- D. This device is the root bridge.
Answer: A
Explanation:
The Root ID field is the Bridge ID of the elected spanning tree root bridge.
The bridge ID consists of a configurable bridge priority and the MAC address of the bridge. Here the bridige priority is 8192, which is 8k.
NEW QUESTION 35
What are three RSTP port states? (Choose three.)
- A. listening
- B. learning
- C. discarding
- D. blocking
- E. forwarding
Answer: B,C,E
Explanation:
Port States in STP and RSTP
ttps://www.juniper.net/documentation/en_US/junos12.3/topics/concept/mx-series-rstp-port-states- roles.html
NEW QUESTION 36
Click the Exhibit button.
You are performing network tests and notice that the Layer 3 interface in the Finance VLAN on an EX Series switch is not responding to pings. You review the device status from the console.
What is causing the problem, as shown in the exhibit?
- A. There are no active physical ports in the Finance VLAN.
- B. There are no interfaces configured in the Finance VLAN.
- C. There is no route in the routing table for the Finance VLAN Layer 3 interface.
- D. The Layer 3 interface in the Finance VLAN is administratively disabled.
Answer: C
NEW QUESTION 37
You want to advertise only a default route into a new area, which will be called area7.
In this scenario, which configuration statement would solve this problem?
- A. User@host # set protocols ospf area 0.0.0.7 stub no-summaries
- B. User@host t# set protocols ospf area 0.0.0.7 nssa default-lsa default-metric 10
- C. user@host # set protocols ospf area 0.0.0.7 stub
- D. user@host # set protocols ospf area 0.0.0.7 stub default-metric 10
Answer: D
NEW QUESTION 38
Click the Exhibit button.
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 misconfigured interior gateway protocol (IGP).
- B. A lack of a loop-prevention mechanism or protocol.
- C. A lack of port-based ACLs filtering the traffic flows.
- D. A malformed route-based ACL improperly filtering traffic flows.
Answer: B
NEW QUESTION 39
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What to Know about Exam
The Juniper JN0-348, like many Juniper tests, lasts 90 minutes with a maximum of 65 multiple-choice items. It is an exam that’s offered through the Pearson VUE website and candidates are usually graded based on pass/fail status. Juniper recommends that the willing exam-takers must be well-conversant with the Junos Space Network Director 3.1 and Junos 18.4 before registering for this test.
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