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NEW QUESTION 1
You will to route Layer 3 PVLAN traffic within the secondary VLAN. What is required to accomplish this task?
A. a community VIAN
B. an IRB
C. an FBF policy
D. an isolated VLAN
Answer: B
NEW QUESTION 2
You want to view the VLANs that have been created dynamically using MVRP. Which operational mode command will display this information?
A. show mvrp dynamic-vlan memberships
B. show mvrp interface
C. show mvrp registration-state
D. show mvrp applicant-state
Answer: A
NEW QUESTION 3
Your network has Junos Fusion configured with MX960 routers as aggregation devices (AD) and QFX5100 switches as satellite devices (SD). Which two statements are correct in this scenario? (Choose two.)
A. The AD runs the Junos software for all its connected SDs.
B. The Fusion extended ports are configured on the SDs.
C. SDs are added to the AD by configuring the cascade port on the AD.
D. All SDs connected to a single AD must use the same software version.
Answer: BC
NEW QUESTION 4
Which two statements are true regarding bidirectional PIM? (Choose two.)
A. It eliminates the need for an RP.
B. Devices only store group specific entries.
C. It uses multicast tunneling to forward traffic.
D. Forwarding paths can be suboptimal.
Answer: BD
NEW QUESTION 5
Which protocol is used for port-level access control and authentication?
A. MD5
B. IPsec
C. 802.1x
D. AES
Answer: C
NEW QUESTION 6
Which three types of ports are used for Junos Fusion Enterprise? (Choose three.)
A. extended port
B. authenticated port
C. cascade port
D. uplink port
E. designated port
Answer: ADC
NEW QUESTION 7
What are three well-known mandatory BGP attributes? (Choose three.)
A. AS-path
B. community
C. origin
D. MED
E. next-hop
Answer: ACE
NEW QUESTION 8
A BA classifier, input policer, and a multifield classifier are applied to an interface, in which order are these features processed?
A. policer -> BA classifier -> multifield classifier
B. BA classifier -> multifield classifier -> policer
C. multifield classifier -> BA classifier -> policer
D. policer -> multifield classifier -> BA classifier
Answer: A
NEW QUESTION 9
Which EVPN route type is used for fast convergence and for advertising the split horizon label?
A. Type 4
B. Type 2
C. Type 1
D. Type 5
Answer: C
NEW QUESTION 10
What are two supported PoE management modes? (Choose two.)
A. mixed
B. standalone
C. class
D. static
Answer: CD
NEW QUESTION 11
When redistributing IGP routes into BGP. what information is used by default on Junos platforms to determine the BGP route’s MED attribute value?
A. routing information base
B. the IGP route preference
C. the IGP Metric
D. route protocol source
Answer: C
NEW QUESTION 12
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. Implement PIM-SM and SSM with SSM maps to support IGMPv2 clients.
B. Implement bidirectional PIM.
C. Assign group addresses in the 224/4 range and implement PIM-DM.
D. Implement MLD.
Answer: C
NEW QUESTION 13
You are enabling MSTP in your Layer 2 network to prevent loops. In this scenario, which three parameters must match on all switches in the network? (Choose three.)
A. configuration name
B. bridge priority
C. MSTI-to-VLAN mapping
D. max age
E. revision level
Answer: ACE
NEW QUESTION 14
Which two statements are correct about a functional ESI LAG interface? (Choose two.)
A. The LACP system ID must be different.
B. The LACP system ID must be the same.
C. The ESI values must be the same.
D. The ESI values must be different.
Answer: BC
NEW QUESTION 15
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 input traffic control profile with the shape-rate 5G parameter and apply it to all interfaces.
C. Define a CoS output traffic control profile with the shape-rate 5G parameter and apply it to all interfaces.
D. Apply the shape-rate 5G parameter to all interfaces under the [edit class-of service] hierarchy.
Answer: C
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/cos-shaping-rate-on-physical-interfaces-configuring.html
NEW QUESTION 16
Which two statements are true about PIM source-specific multicast (SSM)? (Choose two.)
A. The receiver DR builds a source-base tree to the RP.
B. S, G is always used.
C. A Different group address must be used by each source.
D. IGMPv3 is required.
Answer: BD
NEW QUESTION 17
Which two statements about MVRP are correct? (Choose two.)
A. MVRP monitors interfaces using VSTP and dynamically creates VLANs as necessary.
B. MVRP PDUs are sent to other switches as periodic intervals.
C. MVRP can propagate dynamic VLANs created on one switch to another switch.
D. MVRP is enabled by adding trunk ports under the [edit protocols mvrp] hierarchy.
Answer: BD
NEW QUESTION 18
Which three databases are used by the Dijkstra’s algorithm? (Choose three.)
A. Tree Database
B. Link State Database
C. Candidate Database
D. MAC Database
E. Configuration Database
Answer: ABC
NEW QUESTION 19
What information must you gather from the satellite device to provision a Junos Fusion Enterprise deployment on the aggregation device? (Choose two.)
A. MAC address.
B. Serial number.
C. Software version.
D. Model number.
Answer: AB
NEW QUESTION 20
You created a firewall rule to protect the Routing Engine. After applying the rule, your OSPF adjacencies dropped. How would you solve this problem?
A. Create a firewall term that allows IP protocol 89.
B. Define a router ID under the [edit routing-options] hierarchy.
C. Configure the loopback interface under the [edit protocols ospf] hierarchy.
D. Apply the firewall filter to the physical ports.
Answer: A
NEW QUESTION 21
You want to implement an RP in your PIM sparse mode environment, you are considering the advantages and disadvantages of the various RP election methods. In this scenario, which three implementation guidelines are correct? (Choose three.)
A. The auto-RP method requires using two PIM dense mode groups from the 323/8 range.
B. The auto-RP method includes the ability to maintain a backup RP.
C. With the bootstrap method, the primary criterion for electing a BSR is priority value.
D. When multiple election methods are implemented on a device, the static method is preferred.
E. The static method requires configuration on all devices in the PIM domain.
Answer: ABC
NEW QUESTION 22
What are two OSPF LSA types? (Choose two.)
A. Stub
B. Router
C. Transit
D. Network
Answer: BD
NEW QUESTION 23
You are implementing a single spanning tree instance in your network and want to use the protocol that will give you the best convergence time in the event of a physical network failure of the root bridge. Which spanning tree protocol will satisfy this requirement?
A. RSTP
B. STP
C. MSTP
D. VSTP
Answer: A
Explanation:
STP and RSTP are limited to a single instance on any physical interface. Use the interface (Spanning Tree) statement to configure interfaces to participate in the STP or RSTP instance.
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/spanning-tree-instances-interfaces.html
NEW QUESTION 24
You have configured CoS on a Junos device. A packet is classified as best effort by a behavior aggregate (BA) classifier, and as expedited forwarding by a multifield (MF) classifier. Which statement is true in this scenario?
A. The packet will be placed in a queue associated with the BA classifier.
B. The packet will be placed into the queue which is least congested.
C. The packet will be placed into the queue that has the most bandwidth assigned to it.
D. The packet will be placed in a queue associated with the MF classifier.
Answer: D
Explanation:
If you configure both a behavior aggregate (BA) classifier and a multifield classifier, BA classification is performed first; then multifield classification is performed. If they conflict, any BA classification result is overridden by the multifield classifier.
https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/cos-configuring-multifield-classifiers.html
NEW QUESTION 25
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 the [edit class-of-service interface lo0.0] hierarchy.
C. Apply the DSCP code-point in an egress policer.
D. Apply the DSCP code-point to a rewrite rule.
Answer: A
Explanation:
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.
https://www.juniper.net/documentation/en_US/junos/topics/concept/cos-host-outbound-traffic-default-classification-and-dscp-remarking.html
NEW QUESTION 26
You notice a mass withdrawal of routes for some of the network hosts. You determine that the link on the ESI interface is down. Which route type is used in this scenario?
A. Type 2
B. Type 3
C. Type 1
D. Type 5
Answer: C
Explanation:
This is a Type 1 mandatory route, used for fast convergence and for advertising the split horizon label. It is also known as the mass withdraw route.
https://www.juniper.net/documentation/en_US/junos/topics/concept/evpn-bgp-multihoming-overview.html#jd0e270
NEW QUESTION 27
You have configured class mode power management on an EX4300 to provide PoE power to telephone and security camera equipment. You want to ensure that security camera power takes priority over telephone power. Which two actions would solve this problem? (Choose two.)
A. Connect the security cameras to the lowest port numbers on the switch.
B. Set the power priority to high on ports connected to security cameras.
C. Set the maximum power settings on ports connected to security cameras.
D. Set the power priority to low on ports connected to security cameras.
Answer: AB
Explanation:
Thus you must set interfaces that connect to critical powered devices, such as security cameras and emergency phones, to high priority. Among PoE interfaces that have the same assigned priority, power priority is determined by the port number, with lower-numbered ports having higher priority.
https://www.juniper.net/documentation//en_US/junos/topics/concept/poe-overview.html#jd0e1522
NEW QUESTION 28
You have multiple BGP routes to the same prefix with equal local-preference values and AS-path lengths. In this scenario, which route will be preferred in the route selection process?
A. The route with the least preferred origin value.
B. The route with the lowest MED value.
C. The route with the most preferred origin value.
D. The route with the highest MED value.
Answer: C
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/reference/general/routing-protocols-address-representation.html
NEW QUESTION 29
You have an IPv4 multicast network configured as PIM-SM. What must be done before replacing your static RP with auto-RP?
A. Enable sparse-dense mode on each of the routers in the network.
B. Configure auto-RP domains on each router in the network.
C. Configure each router in the network as a candidate BSR.
D. Enable each router in the network to forward multicast packets.
Answer: A
Explanation:
Because PIM dense mode is necessary to enable auto-RP to work, which in turns enables PIM sparse mode to work, you must configure PIM sparse-dense mode in the PIM domains that use auto-RP.
https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/mcast-pim-auto-rp.html
NEW QUESTION 30
Your company has expanded into office space across the street. The new office space has a single Ethernet connection connected to an unmanaged switch. You must sort traffic based on the IP address into different VLANs once the traffic arrives on your EX Series switches. Which mechanism would you use to accomplish this task?
A. MVRP
B. filter-based VLANs
C. Q-in-Q tunneling
D. dynamic VLANs
Answer: B
Explanation:
https://next-hop-self.com/juniper-filter-based-vlan-assignment.html
https://www.juniper.net/documentation/us/en/software/junos/routing-policy/topics/example/firewall-filter-ex-series-configuring.html
NEW QUESTION 31
When configuring 802.1X authentication, what are three server fail fallback settings? (Choose three.)
A. log
B. sustain
C. permit
D. count
E. move
Answer: BCE
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/radius-server-configuration-ex-series-cli.html#id-configuring-radius-server-fail-fallback-cli-procedure
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/radius-server-configuration-ex-series-cli.html
NEW QUESTION 32
Which two statements about OSPF routing policies are correct? (Choose two.)
A. By default, OSPF export policies reject network-summary LSAs.
B. By default, OSPF export policies accept network-summary LSAs.
C. By default, OSPF import policies accept network-summary LSAs.
D. By default, OSPF import policies reject network-summary LSAs.
Answer: AC
NEW QUESTION 33
You are asked to deploy 802.1X on your EX Series switches. You need to ensure authenticated devices continue to have access to the network even if the authentication server fails. Which action meets this configuration objective?
A. Configure the server fail fallback with a value of sustain.
B. Set the reauthentication interval to a value of 0.
C. Configure the static MAC bypass for the authentication server.
D. Set the reauthentication interval to a value of disable.
Answer: A
Explanation:
https://www.juniper.net/documentation/us/en/software/junos/user-access/topics/concept/802-1x-pnac-divert-authentication-understanding-mx-series.html
NEW QUESTION 34
Which two authentication methods are available for OSPF on Juniper devices? (Choose two.)
A. RSA
B. MD5 Authentication
C. None
D. Certificate
Answer: BC
NEW QUESTION 35
When configuring connectivity to a VoIP enabled phone, which two statements are correct? (Choose two.)
A. The telephone device can signal to the switch which VLAN tag it will place on voice traffic.
B. The switch can signal to the phone device which VLAN tag it should use for voice traffic.
C. The switch places voice traffic in the expedited forwarding class by default.
D. The switch places voice traffic in the best-effort forwarding class by default.
Answer: BC
NEW QUESTION 36
You are configuring MVRP for automatic VLAN registration. Which two statements are true? (Choose two.)
A. the trunk port must not be configured with vlan members
B. the trunk port must be configured with “vlan all”
C. MVRP must be configured on all trunk ports
D. MVRP must be configured on all access ports
Answer: AC
NEW QUESTION 37
Which two port modes are associated with STP? (Choose two.)
A. alternate port
B. backup port
C. designated
D. root
Answer: CD
NEW QUESTION 38
Which two statements are true regarding BGP load balancing? (Choose two.)
A. Multipath provides per-flow load balancing.
B. Multipath provides per-prefix load balancing.
C. Multipath places multiple next-hops in the forwarding table for each destination.
D. Multipath places a single next-hop in the forwarding table for each destination.
Answer: BC
NEW QUESTION 39
You have a workstation and an IP phone that connect to the same physical port on your Juniper switch. Which statement is true?
A. You must configure two logical interfaces on the switch port.
B. The workstation and the phone both must send tagged traffic to the switch.
C. The switch port must be configured as a trunk port.
D. The access port can be configured to accept tagged and untagged traffic.
Answer: D
NEW QUESTION 40
Juniper devices use the token bucket algorithm for policing. Which two statements are true regarding the token bucket algorithm? (Choose two.)
A. Policers transmit streams of traffic at the maximum interface speed until the burst rate is reached.
B. Policers do not reduce the speed of an interface.
C. Policers reduce the speed of an interface.
D. Policers enforce gaps between transmitted packets.
Answer: BD
NEW QUESTION 41
……
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