Latest Juniper JN0-649 First Attempt, Exam real Dumps Updated [Jul-2024]
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NEW QUESTION # 29
Your campus EX9200 core devices are highly oversubscribed on bandwidth ans reporting massive dropped packets.
To immediately address the issue, you decide to implement shaping on all interfaces.
Which action will accomplish?
- A. Apply the input-shape-rate 5G parameter to all interfaces under the [edit class-of service] hierarchy.
- B. Define a CoS output traffic control profile with the shape-rate 5G parameter and apply it to all interfaces.
- C. Apply the shape-rate 5G parameter to all interfaces under the [edit class-of service] hierarchy.
- D. Define a CoS input traffic control profile with the shape-rate 5G parameter and apply it to all interfaces.
Answer: B
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/cos-shaping-rate- on-physical-interfaces-configuring.html
NEW QUESTION # 30
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. DS-1 is the root bridge for VLAN 10.
- B. BPDUs from the root bridge for VLAN 10 have been received on the ge-0/0/7.0 interface.
- C. BPDUs from the root bridge for VLAN 20 have been received on the ge-0/0/7.0 interface.
- D. Default VSTP bridge priority values are configured.
Answer: B,C
NEW QUESTION # 31
Click the Exhibit.
The Receiver is attempting to join two different groups, one from each source. You want to endure that load balancing is taking place.
Referring to the exhibit, which statement is true?
- A. R4 must have join-load-balance configured under protocol PIM.
- B. R2 must have join-load-balance configured under protocol PIM.
- C. R1 must have join-load-balance configured under protocol PIM.
- D. R3 must have join-load-balance configured under protocol PIM.
Answer: A
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/mcast-pim-join- load-balance.html
NEW QUESTION # 32
You are troubleshooting a BGP connection.
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. The 192.168.1.5 peer has a misconfigured MD5 key.
- B. The ge-0/0/1 interface is disabled.
- C. The 192.168.1.4 peer has a misconfigured autonomous system number.
- D. Packet fragmentation is preventing the session from establishing.
Answer: A,C
NEW QUESTION # 33
You are configuring, the PVLAN feature on your switches. The PVLAN will span the two EX Series switches shown in the exhibit.
Which three configuration parameters must be enabled on the ports connecting the two switches?
(Choose three. )
- A. interface-mode trunk
- B. family inet
- C. interface-mode access
- D. family Ethernet-switching
- E. inter-switch-link
Answer: A,D,E
NEW QUESTION # 34
Which three MSTP parameters must match on all switches in the same MST region? (Choose three.)
- A. forwarding delay
- B. bridge priority
- C. configuration name
- D. revision number
- E. MSTI-to-VLAN mapping
Answer: B,C,D
NEW QUESTION # 35
Click the Exhibit button.
You have configured and applied the policer shown in the exhibit to your Junos device.
Which statement is true in this scenario?
- A. Traffic exceeding the committed-information-rate will be rate limited.
- B. Traffic exceeding the committed-burst size will be discarded.
- C. Traffic exceeding the excess-burst size will be discarded.
- D. Traffic exceeding the committed-burst size will be marked with a loss priority of high.
Answer: C
Explanation:
Red--Traffic that exceeds the burst size for peak traffic (EBS), single-rate marks packets with an implicit loss priority of high and, optionally, discards the packets.
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/policer-single-rate-three- color.html
https://www.juniper.net/documentation/us/en/software/junos/routing-policy/topics/topic- map/policer-single-rate-three-color.html
NEW QUESTION # 36
You are implementing 802.1x access control in your network of EX Series switches. You have some older client devices connecting to your network which do not support 802.1x.
Which statement is true regarding the older devices?
- A. By default, the authenticator will send EAP messages until it reaches a predefined, after which it begins to forward traffic.
- B. By default, the supplicant will send EAP messages until it reaches a predefined limit, after which it begins to forward traffic.
- C. By default, the supplicant will send EAP messages and keep the port in an unauthorized state.
- D. By default, the authenticator will send EAP messages and keep the port in an unauthorized state.
Answer: B
NEW QUESTION # 37
What allows non-Web enabled devices to access the network on a port configured for captive portal?
- A. LLDP can be used to query the type of device that is attempting to access the network, and predefined device types can be allowed to bypass the captive portal process.
- B. Captive portal can be configured to only prompt for credentials when HTTP or HTTPS traffic is requested on a port to allow on-HTTP enabled devices access to the network.
- C. Authentication credentials for specific devices can be preconfigured on the switch for automatic authentication.
- D. A MAC address white list can be configured on the switch to allow specific MAC addresses to bypass the captive portal process.
Answer: D
NEW QUESTION # 38
You must ensure that all management traffic sourced from your Junos devices is set with a specific DSCP code-point value.
Which action will accomplish this task?
- A. Apply the DSCP code-point to the [edit class-of-service host-outbound-traffic] hierarchy.
- B. Apply the DSCP code-point to a rewrite rule.
- C. Apply the DSCP code-point in an egress policer.
- D. Apply the DSCP code-point to the [edit class-of-service interface lo0.0] hierarchy
Answer: A
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/concept/cos-host-outbound-traffic- default-classification-and-dscp-remarking.html To change these default settings, include the forwarding-class class-name statement and the dscp-code-point value statement at the [edit class-of-service host-outbound-traffic] hierarchy level. This feature does not affect transit traffic or incoming traffic.
NEW QUESTION # 39
Click the Exhibit.
The ping command shows that connectivity of the 200.0.1/24 network to the 200.0.200.0/24 network exists. You notice that all the ping test results from various devices on 200.0.1.0/24 follow the same path even through equal cost paths exist to the 200.0.200.0/24 network.
Referring to the exhibit, what is happening?
- A. RIPv2 does not support load balancing static routes.
- B. Load balancing needs to be enabled for equal cost pathing to work.
- C. The RIP group must include the preference statement.
- D. The rip-exp policy needs to be modified to advertise RIP routes
Answer: B
NEW QUESTION # 40
Your EX Series switch has IP telephones and computers connected to a single switch port. You are considering implementing the voice VLAN feature to help with this setup. In this scenario, which two statements are correct? (Choose two.)
- A. The interfaces must be configured as access ports.
- B. The voice VLAN feature must be used with LLDP-MED to associate VLAN ID and 802.1p values with the traffic.
- C. The voice VLAN feature will enable incoming tagged data and voice traffic to be associated with separate VLANs.
- D. Assigning the incoming voice and data traffic to separate VLANs enables the ability to prioritize the traffic using CoS.
Answer: A,D
NEW QUESTION # 41
You have deployed the access control configuration to the distribution switch.
Referring to the exhibit, which statement is true?
- A. All hosts connected to the access switch require authentication to access the network.
- B. All hosts connected to the access switch will have access to the work after one device authenticates.
- C. All hosts connected to the access switch will have access to the network without authentication.
- D. Only the first host to authenticate will have access to the network; other hosts will be blocked.
Answer: D
NEW QUESTION # 42
Your network is configured for EVPN load balancing on three different access switches During an outage, you notice that not all interfaces are receiving traffic as expected Which two requirements would you validate to identify this problem? (Choose two )
- A. Validate that the all-active flag configured for multiple interfaces on each switch
- B. Validate that the same esi value is only configured on one interface per switch
- C. Validate that the same esi value is configured on multiple interfaces on all switches.
- D. Validate that all-active is configured for only interface per switch
Answer: A,D
NEW QUESTION # 43
What are two OSPF LSA types? (Choose two.)
- A. Transit
- B. Router
- C. Network
- D. Stub
Answer: B,C
NEW QUESTION # 44
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. The DS-2 switch will be root bridge for MSTI 1.
- B. The DS-1 switch will be root bridge for MSTI 1.
- C. The DS-2 switch will be root bridge for MSTI 2.
- D. The DS-1 switch will be root bridge for MSTI 2.
Answer: A,D
Explanation:
Bridge priority is to determine which bridge becomes the designated bridge.
NEW QUESTION # 45
You are designing a multicast topology to support IPv4 IPTV broadcasts in your organization. The design should support multiple multicast senders with overlapping group addresses while preventing interference between them. Client devices currently do not support IGMPv3.
Which approach would fulfill these requirements?
- A. Assign group addresses in the 224/4 range and implement PIM-DM
- B. Implement PIM-SM and SSM with SSM maps to support IGMPv2 clients
- C. Implement MLD
- D. Implement bidirectional PIM
Answer: A
NEW QUESTION # 46
You are implementing the route summarization feature of OSPF. Which two results do you achieve in this scenario? (Choose two.)
- A. It helps in migrating to future multi-area OSPF network designs.
- B. It reduces the impact of topology changes on a device.
- C. It reduced the routing table size, enabling devices to store and process less information.
- D. It provides optimal routing in the network.
Answer: B,C
NEW QUESTION # 47
Referring to the exhibit, traffic ingresses on interface ge-0/0/3 and egresses on interface ge-0/0/4.
Which queue does traffic with the IP precedence value of 100 use?
- A. assured-forwarding
- B. best-effort
- C. expedited-forwarding
- D. network-control
Answer: C
NEW QUESTION # 48
Click the exhibit.
Where is the policy shown in the exhibit enforced?
- A. Between the RIB-LOCAL and the RIB-OUT tables
- B. Between the RIB-IN and the RIB-LOCAL tables
- C. Between the BGP peer and the RIB-In table
- D. Between the RIB-OUT table and the BGP peer
Answer: B
NEW QUESTION # 49
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