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https://www.gratisexam.com/ JN0-647.juniper Number : JN0-647 Passing Score : 800 Time Limit : 120 min https://www.gratisexam.com/

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JN0-647.juniper

Number: JN0-647Passing Score: 800Time Limit: 120 min

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Exam A

QUESTION 1A new PoE+VoIP handset was added to an EX Series device. The handset is experiencing connectivity issues. The EX Series device’s committed configurationincludes the set poe interface all telemetry command. You look at the telemetry log in the device to review power consumption and you notice entries have not beenoccurring for days.

What would cause telemetry logging to stop?

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A. Telemetry logging only occurs for one hour by default.

B. Telemetry logging stops when all reserves power for PoE has been consumed.

C. Telemetry logging only works on Enhanced PoE VoIP handsets.

D. Telemetry logging stops when the logging file reaches 128 KB.

Correct Answer: ASection: (none)Explanation

Explanation/Reference:

QUESTION 2Click the Exhibit.

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A customer is concerned that the route damping policy on routes with prefixes greater than/17 is allowing too many flaps to occur. The customer does not want tochange the default timer.

Referring to the exhibit, which two actions would allow fewer flaps per route? (Choose two.)

A. Increase the suppress parameter to 3500.

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B. Increase the suppress parameter to 2000.

C. Increase the half-life parameter to 45.

D. Increase the half-life parameter to 15.

Correct Answer: ACSection: (none)Explanation

Explanation/Reference:

QUESTION 3Click the Exhibit.

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Referring to the exhibit, you have EBGP peerings with both ISP1 and ISP2. You are receiving the 172.25.12.0/24, 172.25.13.0/24, 172.25.14.0/24, and172.25.15.0/24 routes through both neighbors. You must ensure that traffic to these prefixes are load balances through both service providers. You have configureda load-balancing policy and have applied it to the forwarding table, but the prefixes are not being load balanced.

What is required to accomplish this task?

A. The multihop feature should be enabled between both neighbors.

B. The multipath multiple-as feature should be used between both neighbors.

C. The as-override feature should be used between both neighbors.

D. The include-mp-next-hop feature should be used between both neighbors.

Correct Answer: BSection: (none)Explanation

Explanation/Reference:

QUESTION 4Which protocol is used for port-level access control and authentication?

A. MD5

B. IPsec

C. 802.1X

D. AES

Correct Answer: CSection: (none)Explanation

Explanation/Reference:

QUESTION 5Click the Exhibit.

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Referring to the exhibit, you are receiving multiple routes from ISP3 through two EBGP neighbors. You must ensure that all traffic leaving R1 destined to thenetworks advertised by ISP3 go through ISP2.

What should you do on R1 to accomplish this task?

A. Create and apply an import policy to set the local preference on routes learned from ISP2 to be lower than those learned from ISP1.

B. Create and apply an import policy to set the route preference on routes learned from ISP2 to be lower than those learned from ISP1.

C. Create and apply an import policy to set the route preference on routes learned from ISP2 to be higher than those learned from ISP1.

D. Create and apply an import policy to set the local preference on routes learned from ISP2 to be higher than those learned from ISP1.

Correct Answer: DSection: (none)Explanation

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Explanation/Reference:

QUESTION 6Click the Exhibit.

Referring to the exhibit, which two statements are correct? (Choose two.)

A. The satellite device has two ports that are not online.

B. The satellite device has 14 network-facing ports available.

C. The satellite device is in a state of transition.

D. The satellite device can support up to 48 total ports.

Correct Answer: ADSection: (none)Explanation

Explanation/Reference:

QUESTION 7Which two statements are true about 802.1Z dynamic filters based on RADUIS attributes? (Choose two.)

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A. Filters can be defined on the network management system and deployed using vendor-specific attributes.

B. Filters can be defined on the switch and deployed upon authentication.

C. Filters can be defined on an automation framework and deployed when triggered by an authentication syslog message.

D. Filters can be defined on the authentication server and deployed using vendor-specific attributes.

Correct Answer: BDSection: (none)Explanation

Explanation/Reference:

QUESTION 8Which protocol is a multicast routing protocol?

A. OSPF

B. BGP

C. PIM

D. IS-IS

Correct Answer: CSection: (none)Explanation

Explanation/Reference:

QUESTION 9You are configuring a scheduler map on an EX9200 Series device. You want to ensure that traffic is dropped in a policing action once traffic exceeds the configuredtransit rate.

Which configuration parameter will meet this requirement?

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A. exact

B. rate-limit

C. remainder

D. percent

Correct Answer: BSection: (none)Explanation

Explanation/Reference:

QUESTION 10Click the Exhibit.

All of the clients attached to your EX4300 report that authentication to the network is abnormally slow. While troubleshooting, you individually test the RADIUSservers used for authentication and receive the information shown in the exhibit.

What happened to the RADIUS server 172.28.30.95?

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A. The server is no longer reachable.

B. The RADIUS daemon went offline.

C. There is a RADIUS version mismatch.

D. Someone changed the RADIUS secret.

Correct Answer: DSection: (none)Explanation

Explanation/Reference:

QUESTION 11You are enabling 802.1X authentication on an EX Series device. You are configuring the switch in the conference room where you will have non-employees withdevices that do not support 802.1X authentication connecting to your network. You must ensure that these users can connect to your network but are restricted toInternet access only.

What should you do to accomplish this task?

A. You must add a RADIUS account for each user and assign them to the appropriate VLAN.

B. You should ensure that the server-fail fallback feature is enabled and users are assigned to the appropriate VLAN.

C. You should assign a guest VLAN to the interfaces and isolate that VLAN to Internet access only.

D. You should configure a server-reject VLAN to the interfaces and isolate that VLAN to Internet access only.

Correct Answer: CSection: (none)Explanation

Explanation/Reference:

QUESTION 12Which two statements are true about OSPFv3? (Choose two.)

A. OSPFv3 packets are sent using local subnet addressing.

B. OSPFv3 packets are sent using link local addressing.

C. The authentication mechanisms in OSPFv3 are the same mechanisms used in OSPFv2.

D. The authentication mechanisms from OSPFv2 are not present in OSPFv3.

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Correct Answer: BDSection: (none)Explanation

Explanation/Reference:

QUESTION 13Computers on the network are assigned IP addresses from DHCP server based on the MAC address of the computer. The network administrator wants computesassigned to a VLAN using the computer’s IP addresses, regardless of where the computers are plugged into the network.

In this scenario, which two statements are true? (Choose two.)

A. The MAC RADIUS feature can query a RADIUS server to dynamically assign a VLAN to a host based on its MAC address.

B. DHCP snooping can be enabled to determine with which VLAN a device should be associated when it receives an IP address.

C. 802.1X authentication can query the DHCP server to identify the VLAN that a device should be assigned.

D. 802.1Xauthentication can assign a VLAN to a device based on the user that is logged into the device.

Correct Answer: ADSection: (none)Explanation

Explanation/Reference:

QUESTION 14Click the Exhibit.

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You have deployed sparce-mode multicast in your network using the IGP metrics shown in the exhibit.

Which path will (*, G) traffic follow form the source to the receiver before the (S, G) state is registered?

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A. Source, R1, R4, R5, R6, Receiver

B. Source, R1, R2, R5, R2, R3, R6 Receiver

C. Source, R1, R2, R3, R6, Receiver

D. Source, R1, R2, R5, R6, Receiver

Correct Answer: BSection: (none)Explanation

Explanation/Reference:

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QUESTION 15Click the Exhibit.

You are configuring dynamic rendezvous points for your PIM multicast domain. You have chosen to use auto-RP as the dynamic RP mechanism. You are notseeing the auto-RP announcements.

Referring to the exhibit, which two configurations will solve this problem? (Choose two.)

A. Configure the dense-groups for addresses 224.0.1.39 and 224.0.1.40.

B. Configure the interfaces for sparse-dense mode.

C. Configure the rp for the mapping function.

D. Configure the interfaces for sparse mode.

Correct Answer: ABSection: (none)Explanation

Explanation/Reference:

QUESTION 16OSFP is stuck in the ExStart state.

What is a common cause of this problem?

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A. The DR priority is configured incorrectly.

B. MTUs do not match.

C. IP addresses are not configured correctly.

D. Jumbo frames are not enabled.

Correct Answer: BSection: (none)Explanation

Explanation/Reference:

QUESTION 17Click the Exhibit.

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Referring to the exhibit, Area 1 is a stub area.

Which two statements are correct in this scenario? (Choose two.)

A. R2 will send traffic to unknown destinations using R1 and R4.

B. R1 will send traffic to unknown destinations using R3 and R4.

C. R1 will send traffic to unknown destinations using only R3.

D. R2 will send traffic to unknown destinations using only R4.

Correct Answer: CDSection: (none)Explanation

Explanation/Reference:

QUESTION 18Click the Exhibit.

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You have three switches, each with a trunk connection allowing all VLANs to the switches. CIST will coverage, however MSTP will not.

Referring to the exhibit, which statement is correct?

A. Switch1 is the CIST root bridge.

B. Switch2 is the MSTI root bridge.

C. Switch3’s contest identifier must be changed.

D. Switch3’s configuration digest is different than for switch1 and for switch2.

Correct Answer: DSection: (none)Explanation

Explanation/Reference:

QUESTION 19Which three statements are true about strict-high priority queues? (Choose three.)

A. In systems that support strict-high and high priority queues, traffic in the strict-high queue is completely emptied, and then high priority queue traffic isprocessed.

B. In systems that support strict-high and high priority queues, traffic in these two priorities is processed in a round-robin fashion.

C. When a strict-high queue goes into negative credits, it will maintain a strict DSCP marking.

D. When a strict-high queue can never go into negative credits and will always transmit the traffic in the queue.

E. In systems that support multiple strict-high priority queues, traffic in the strict-high queue is processed in a round-robin fashion.

Correct Answer: ADESection: (none)Explanation

Explanation/Reference:

QUESTION 20Click the Exhibit.

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You are troubleshooting an OSPF adjacency issue between R1 and R2.

What is the reason for the ExStart state shown in the exhibit?

A. R2 was elected as the designated router.

B. R1 was elected as the backup designated router.

C. R1 and R2 are using the same IP address.

D. The MTU is not the default on R1 and R2.

Correct Answer: CSection: (none)Explanation

Explanation/Reference:

QUESTION 21Click the Exhibit.

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Router R1, in peer AS 65001, advertises routes to R2 using EBGP. R2 advertises the routes learned from R1 to R3 using IBGP.

Referring to the exhibit, to which routers will R3 advertise the BGP routes received from R2?

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A. R6, R7

B. R4, R5, R6, R7

C. R4, R5

D. R2, R4, R5, R6, R7

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Correct Answer: CSection: (none)Explanation

Explanation/Reference:

QUESTION 22Click the Exhibit.

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Referring to the exhibit, which statement is true?

A. R1 is an ASBR.

B. R1 has the B bit set.

C. R1 is a backbone router.

D. R1 is an ABR.

Correct Answer: ASection: (none)Explanation

Explanation/Reference:

QUESTION 23Which 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.

Correct Answer: BDSection: (none)Explanation

Explanation/Reference:

QUESTION 24Click the Exhibit.

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You are configuring MSTP to prevent loops in your Layer 2 network. After applying the configuration, you notice that MSTO is not working correctly.

Referring to the exhibit, what is causing the problem?

A. Too many VLANs have been defined.

B. Context identifier must be specified.

C. MSTI-to-VLAN mappings must be the same.

D. Incorrect revision number is used.

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Correct Answer: CSection: (none)Explanation

Explanation/Reference:

QUESTION 25Click the Exhibit.

A customer on MSTI-2 was isolated due to a physical link outage on Switch 5’s ge-0/0/32 interface.

Referring to the exhibit, which corrective action would solve this problem?

A. replace the link between Switch 5 and 6 with a 10 Gbps link

B. Implement the CIST on all switches.

C. Move the root bridge for MSTI-2 to Switch 6.

D. Add MSTI-2 to all interfaces on Switch 5.

Correct Answer: DSection: (none)Explanation

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Explanation/Reference:

QUESTION 26Which 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.

Correct Answer: BDSection: (none)Explanation

Explanation/Reference:

QUESTION 27Which three databases are used by the Dijkstra algorithm? (Choose three.)

A. Tree database

B. Link State Database

C. Candidate database

D. MAC database

E. Configuration database

Correct Answer: ABCSection: (none)Explanation

Explanation/Reference:

QUESTION 28Click the Exhibit.

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A customer requires that the switch responds to an ARP request only if the source and target IP address are on different subnets.

Referring to the Exhibit, how would you accomplish this task?

A. Create a static ARP entry for the host.

B. Enable the no-gratuitous-arp request command under the interface hierarchy.

C. Remove the proxy ARP setting and clear the entry.

D. Change the proxy ARP parameter setting to restricted.

Correct Answer: DSection: (none)Explanation

Explanation/Reference:

QUESTION 29A customer needs to pass Layer 2 protocols between sites.

Which protocol or standard would be required to implement connectivity on EX4300, EX3400, and EX2300 devices?

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A. Q-in-Q

B. IGMP

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C. VPLS

D. OSPF

Correct Answer: ASection: (none)Explanation

Explanation/Reference:

QUESTION 30Click the Exhibit.

Referring to the exhibit, how is R1 learning the route from R2?

A. R2 has interface ge-0/0/2 configured in another area under OSPFv3.

B. R2 has an export policy with external type 1 configured.

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C. R2 has interface ge-0/0/2 configured as a passive interface under OSPFv3.

D. R2 has an export policy with external type 2 configured.

Correct Answer: BSection: (none)Explanation

Explanation/Reference:

QUESTION 31Click the Exhibit.

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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 will have access to the work after one device authenticates.

B. All hosts connected to the access switch require authentication to access the network.

C. Only the first host to authenticate will have access to the network; other hosts will be blocked.

D. All hosts connected to the access switch will have access to the network without authentication.

Correct Answer: CSection: (none)Explanation

Explanation/Reference:

QUESTION 32Which statement is correct about MSTP?

A. MSTP enables mapping multiple independent spanning-tree instances onto one physical topology.

B. MSTP enables dynamic discovery of Layer 2 neighbors.

C. MSTP dynamically manages VLAN registration in a LAN.

D. MSTP uses stacked VLAN tags to extend a Layer 2 Ethernet connection between multiple sites.

Correct Answer: ASection: (none)

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Explanation

Explanation/Reference:

QUESTION 33Click 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.

Correct Answer: CSection: (none)Explanation

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Explanation/Reference:

QUESTION 34Click the Exhibit.

Switch 4 is rebooted as shown in the exhibit.

Which statement is correct in this scenario?

A. CIST is reconverged.

B. MSTI-1 is reconverged.

C. CIST generates notification events.

D. MSTI-2 is reconverged.

Correct Answer: BSection: (none)Explanation

Explanation/Reference:

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