(2022) JN0-349 Dumps and Practice Test (112 Questions)
Guide (New 2022) Actual Juniper JN0-349 Exam Questions
Juniper JN0-349 Exam Certification Details:
| Exam Name | Enterprise Routing and Switching Specialist |
| Passing Score | Variable (60-70% Approx.) |
| Exam Code | JN0-349 JNCIS-ENT |
| Sample Questions | Juniper JN0-349 Sample Questions |
| Duration | 90 minutes |
| Exam Price | $300 USD |
| Exam Registration | PEARSON VUE |
Juniper JN0-349 Exam Topics:
| Section | Objectives |
|---|---|
| Protocol Independent Routing | Identify the concepts, operation or functionality of various protocol-independent routing components
Demonstrate knowledge how to configure, monitor, or troubleshoot various protocol-independent routing components
|
| Layer 2 Switching or VLANs | Identify the concepts, operation, or functionality of Layer 2 switching for the Junos OS
Describe the concepts, benefits, or functionality of VLANs
Demonstrate knowledge how to configure, monitor or troubleshoot Layer 2 switching or VLANs
|
| Spanning Tree | Describe the concepts, benefits, operation, or functionality of the Spanning Tree Protocol
Demonstrate knowledge how to configure, monitor, or troubleshoot Spanning Tree
|
| BGP | Describe the concepts, operation or functionality of BGP
Demonstrate knowledge of how to configure, monitor, or troubleshoot BGP
|
| OSPF | Describe the concepts, operation or functionality of OSPF
Demonstrate knowledge how to configure, monitor or troubleshoot OSPF
|
NEW QUESTION 45
Which two statements are correct? (Choose two.)
- A. The ge-0/010 interface will not participate in the RSTP topology.
- B. This device must be selected as the root bridge.
- C. The ge-0/0/13 interface will be selected as the forwarding interface.
- D. The ge-0/0/10 interface will be part of the RSTP topology but will block incoming BPDUs.
Answer: A,C
NEW QUESTION 46
Which two statements about DHCP snooping are correct? (Choose two.)
- A. DHCP snooping uses ARP to add statically defined IP addresses to its database.
- B. By default, the Junos OS treats access ports as trusted and trunk ports as untrusted.
- C. DHCP snooping inspects all DHCP packets on untrusted ports.
- D. The DHCP database maps IP addresses, MAC addresses, and the associated VLAN.
Answer: C,D
NEW QUESTION 47
Referring to the exhibit, what will be the IS-IS adjacency result of the configurations?
- A. No IS-IS adjacencies will form
- B. A level 2 IS4S adjacency will form
- C. A level 1 and level 2 IS-IS adjacency will form
- D. A level 1 IS-IS adjacency will form
Answer: A
NEW QUESTION 48
Your network connect 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 assign a higher local preference on routers that you are sending to ISP1.
- B. You should your local AS number three times on routes that you are sending to ISP2.
- C. You should use a lower MED value on routes sent to ISP1.
- D. You should change the next hop for all routes sent to ISP2.
Answer: B
NEW QUESTION 49
Click the Exhibit button.
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. 11.0.0.108/32 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: B
NEW QUESTION 50
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. Attach the filter to the VLAN
- B. Use persistent MAC learning
- C. Implement 802.1X on the guest VLAN
- D. Deploy storm control to block unknown unicast traffic
Answer: A
NEW QUESTION 51
Exhibit.
In the exhibit, each IP subnet in the network is associated with a unique VLAN ID Which action wilt ensure that Host C will communicate with host A and Host B?
- A. Configure all switch ports connecting to the host devices as access ports associated with a common 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 an IRB interface for each VLAN and associate it with its corresponding VLAN
Answer: A
NEW QUESTION 52
Given the route shown in the exhibit, which two prefixes contribute to the aggregate route?
(Choose two.)
- A. 172.12.33.0/24
- B. 172.12.32.0/24
- C. 172.12.31.0/24
- D. 172.12.30.0/24
Answer: C,D
NEW QUESTION 53
Click the Exhibit button.
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 level 1 for the interfaces.
- C. Change the local IS-IS area ID to 49.0002.
- D. Disable wide metrics.
Answer: C
NEW QUESTION 54
Exhibit.
Referring to the exhibit, which configuration will force traffic to always use ae0.0 as long as it is active?
- A. Option C
- B. Option A
- C. Option B
- D. Option D
Answer: A
Explanation:
Explanation
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/redundant-trunk-groups.html
1. set protocols rstp disable
2. set redundant-trunk-group group name interface interface-name primary
3. set redundant-trunk-group group name interface interface-name
4. option: set redundant-trunk-group group name preempt-cutover-timer seconds Rapid Spanning Tree Protocol (RSTP) is enabled by default on EX Series switches to create a loop-free topology, but an interface is not allowed to be in both a redundant trunk group and in a spanning-tree protocol topology at the same time.
NEW QUESTION 55
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 ip-0/0/0.0 family bridge
- B. set interfaces gr-0/0/0.0 encapsulation vlan-bridge
- C. set interfaces ip-0/0/0.0 encapsulation vlan-bridge
- D. set interfaces gr-0/0/0.0 family bridge
Answer: D
NEW QUESTION 56
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. No IS-IS adjacencies will form.
- C. A level 1 and level 2 IS-IS adjacency will form.
- D. A level 2 IS-IS adjacency will form.
Answer: B
NEW QUESTION 57
Exhibit.
Click the Exhibit button Referring to the exhibit, what will be the IS-IS adjacency result of the configurations?
- A. No IS-IS adjacencies will form
- B. A level 2 IS4S adjacency will form
- C. A level 1 and level 2 IS-IS adjacency will form
- D. A level 1 IS-IS adjacency will form
Answer: A
NEW QUESTION 58
Which OSPF packet type is sent when an OSPF router detects its database is stale?
- A. hello
- B. link-state request
- C. link-state acknowledgment
- D. database description
Answer: B
NEW QUESTION 59
Referring to the exhibit, all users connected to the same VLAN can communicate with each other,
but not with users on other VLANs in this network.
What must be configured to enable communication between the VLANs?
- A. A logical IRB interface must be created and assigned to each VLAN.
- B. The switch ports to which the users are connected should be configured as trunk ports.
- C. A separate routing device is required to forward traffic between the configured VLANs.
- D. A single logical IRB interface must be created and assigned to all three VLANs
Answer: A
NEW QUESTION 60
Referring to the exhibit, Router-1 and Router-2 are failing to form an IS-IS adjacency.
What should you do to solve the problem?
- A. Change the ISO areas on the Io0 interfaces to match on both routers.
- B. Remove the overloaded statement from Router-1.
- C. Change the IP subnet masks to match on the ge-0/0/2 interfaces of both routers.
- D. Remove the ISO address from ge-0/0/2 on Router-1.
Answer: C
NEW QUESTION 61
Exhibit.
Referring to the exhibit, which statement is correct?
- A. The ge-0/0/9 interface is using the default interface priority value.
- B. The ge-0/0/15 interface is using the default port cost.
- C. This switch is currently blocking all traffic.
- D. This switch has a bridge priority of 8k.
Answer: D
NEW QUESTION 62
What are two advantages of a point-to-point OSPF adjacency? (Choose two.)
- A. Only a DR is elected.
- B. No type 2 LSAs are generated.
- C. No type 1 LSAs are generated.
- D. There is quicker neighbor establishment.
Answer: B,D
NEW QUESTION 63
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