Valid JN0-648 Test Answers & Juniper JN0-648 Exam PDF
Juniper JN0-648 Certification Real 2021 Mock Exam
NEW QUESTION 16
Your network has Junos Fusion configured with MX960 routers as aggregation devices (AD) and QFX5100 switches as satellite devices (SO) Which two statements are coned in this scenario? (Choose two )
- A. The Fusion extended ports are configured on the SDs.
- B. SDs are added to the AD by configuring the cascade port on the AD.
- C. The AD runs the Junos software for all its connected SDs.
- D. All SDs connected to a single AD must use the same software version.
Answer: A,B
NEW QUESTION 17
Exhibit.
Referring to the exhibit, you configured a new multicast classifier for the ge-1/2/0 interface ICMP traffic to the best-effort queue and traffic from 190.168.20.0/24 to the expedited forwarding queue. You received noticed that some application are not working after the change.
Which configuration change will remedy the problem?
- A. [edit firewall family inet filter ingress
User@host # set term 3 then next - B. [edit firewall family inet filter ingress
User@host # set term 3 then accept - C. [edit firewall familyinet filter ingress
User@host # set term 2 from protocol tcp - D. [edit firewall family inet filter ingress
User@host # set term 2 from service-filter hit
Answer: B
NEW QUESTION 18
Click the Exhibit button.
You are configuring BGP policies for a site with a dual-homed connection as shown in the exhibit. You must ensure that inbound traffic from Internet hosts flow through the ISP A connection.
Which statement is correct in this scenario?
- A. Apply a BGP export policy on R1 to assign a higher local preference value to routes advertised to ISP A
- B. Apply a BGP export policy onR2to assign a lower origin value to routes advertised to ISP B
- C. Apply a BGP export policy on R1 to assign a lower MED value to routes advertised to ISP A
- D. Apply a BGP export policy to R2 to prepend [65001 65001 65001 65001 65001] to the AS path of routes advertised to ISP B
Answer: D
NEW QUESTION 19
You are implementing 802.1x authentication in your Layer 2 network. Each user will have a computer and a phone and you must ensure that both device are authenticated individually.
In this scenario, which supplicant mode should be used?
- A. Captive-portal
- B. multiple
- C. Single
- D. Single-secure
Answer: C
NEW QUESTION 20
You receive the same 100.200.0/16 route from all four ISPs to which you are connected.
Referring to the exhibit, which ISP's route will be selected as active?
- A. ISP-C
- B. ISP-B
- C. ISP-A
- D. ISP-D
Answer: C
NEW QUESTION 21
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. Set the reauthentication interval to a value of disable.
- D. Configure the static MAC bypass for the authentication server.
Answer: A
NEW QUESTION 22
- A. Apply a BGP export policy on R1 to assign a higher local preference value to routes advertised to ISP
- B. Apply a BGP export policy on R1 to assign a lower MED value to routes advertised to ISP A.
- C. Apply a BGP export policy onR2to assign a lower origin value to routes advertised to ISP B.
- D.
- E. Apply a BGP export policy to R2 to prepend [65001 65001 65001 65001 65001] to the AS path of routes advertised to ISP B.
Answer: E
NEW QUESTION 23
Exhibit:
Referring to the log shown in the exhibit, what is the problem with the OSPF adjacency establishment?
- A. The OSPF database description packet is malformed.
- B. The interface IP addresses on the subnet are duplicates.
- C. There is an MDS authentication mismatch.
- D. The referenced IP address does not exist on the network segment.
Answer: B
NEW QUESTION 24
Click the Exhibit button.
You recently implemented the configuration shown in the exhibit. After committing these changes, the community devices connected to AS-1 are not able to communicate with the appropriate community devices connected to AS-2.
What must be done to allow these community devices to communicate?
- A. You must configure an isolation VLAN ID under the vlan-priVLAN on both switches.
- B. You must configure an isolation VLAN ID under the vlan-priVLAN on the AS-2 switch.
- C. You must configure the ge-0/0/1 interface on both switches as the inter-switch links.
- D. You must configure the ge-0/0/10 interface on AS-1 as the inter-switch link
Answer: C
NEW QUESTION 25
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-burst size will be marked with a loss priority of high.
- B. Traffic exceeding the excess-burst size will be discarded.
- C. Traffic exceeding the committed-burst size will be discarded.
- D. Traffic exceeding the committed-information-rate will be rate limited.
Answer: A
Explanation:
Explanation/Reference:
NEW QUESTION 26
Click the Exhibit button.
Which well-known community needs to be used to restrict 10.0.0.0/8 from being advertised to AS 2?
- A. no-advertise
- B. no-export-subconfed
- C. no-export
- D. no-publish
Answer: C
NEW QUESTION 27
Exhibit:
You are troubleshooting a route problem in the topology shown in the exhibit. The 10.30.0 0/24 route is not reachable from the R3 router. What would cause this problem?
- A. R4 is not advertising the 10.30.0.0/24 route to R3
- B. R3 does not have a route to the BGP next hop of 10.30.0.0/24
- C. R3 does not have an OSPF route for 10.30.0.0/24
- D. R3 does not have an established BGP session with R4.
Answer: B
NEW QUESTION 28
Exhibit:
You ate configuring BGP policies for a site with a dual-homed connection as shown in the exhibit. You must ensure that inbound traffic from Internet hosts flow through the ISP A connection.
Which statement is correct in this scenario?
- A. Apply a BGP export policy on R1 to assign a lower MED value to routes advertised to ISP A.
- B. Apply a BGP export policy onR2to assign a lower origin value to routes advertised to ISP B.
- C. Apply a BGP export policy on R1 to assign a higher local preference value to routes advertised to ISP A.
- D. Apply a BGP export policy to R2 to prepend [65001 65001 65001 65001 65001] to the AS path of routes advertised to ISP B.
Answer: D
NEW QUESTION 29
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-burst size will be marked with a loss priority of high.
- B. Traffic exceeding the excess-burst size will be discarded.
- C. Traffic exceeding the committed-burst size will be discarded.
- D. Traffic exceeding the committed-information-rate will be rate limited.
Answer: A
NEW QUESTION 30
Which protocol is used for port-level access control and authentication?
- A. 802.1x
- B. AES
- C. IPsec
- D. MD5
Answer: A
NEW QUESTION 31
Which two statements are true about IS-IS levels? (Choose two.)
- A. Level 1 system only from adjacencies with other systems that have different area IDs.
- B. Level 1 systems use a default route to reach AS external routes located in other areas.
- C. Level 2 systems must use the loopback address as a part of the ISO network address.
- D. Level 2 systems do not advertise Level 2 routes into a Level area by default.
Answer: B
NEW QUESTION 32
Exhibit:
You have applied the CoS configuration shown in the exhibit to an EX4300 switch.
Which two statements are true? (Choose two. )
- A. All strict-high priority queues are serviced in a round-robin fashion regardless of available credits.
- B. Packets in low priority queues are serviced when strict-high priority queues have no available credits
- C. Packets in low priority queues transmit only when start-high priority queues are empty
- D. All strict-high priority queues are serviced in a round-robin fashion as long as they have remaining credits
Answer: C,D
NEW QUESTION 33
You are deploying IP phones to a customer site. The IP phones will be installed to share a common access port with the user's desktop computer. You are required to provide a mechanism to place user data traffic and voice traffic in different VLANs for class-service application How would you implement this solution?
- A. Configure VLAN tagging on the IP phones and use the voice VLAN feature on the access ports to assign lagged frames to the voice VLAN and untagged frames to a data VLAN
- B. Configure the IP phones to label voice traffic with the DSCP of code point and apply a BA classifier to the access ports to classify voce traffic
- C. Configure flexible VLAN tagging on the user ports with the data and voice VLANs as members
- D. Apply a multifield classifier on the access ports that assigns voice packets to the assured forwarding class, based on the IP phone manufacturer's MAC QUI
Answer: A
NEW QUESTION 34
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 maximum power settings on ports connected to security cameras.
- C. Set the power priority to low on ports connected to security cameras.
- D. Set the power priority to high on ports connected to security cameras.
Answer: A,D
NEW QUESTION 35
Click the Exhibit button.
Referring to the exhibit, the source is currently sending multicast traffic using group 224.1.1.1, which is being received by R1. R2 is not receiving PIM register messages.
What would be the cause of this problem?
- A. R5 has not received an IGMP report of 224.1.1.1.
- B. A(*,G) tree has not been built yet.
- C. Tunnel services have not been enabled on R1.
- D. All routers have not been configured with the same Auto-RP discovery group.
Answer: A
Explanation:
Explanation
NEW QUESTION 36
Click the Exhibit button.
Referring to the exhibit, you must advertise the 100.0.0.0/16 routes from AS1 to AS2, but R2 is not advertising any BGP routes to R5.
Why is this happening in this scenario?
- A. The IBGP routes are not active and EBGP will advertise only active routes.
- B. The IBGP routes will not be advertised because the AS path shows as incomplete.
- C. The IBGP routes are not active because the next hop is not reachable.
- D. The IBGP routes will not be advertised because you must use a policy to advertise IBGP routes.
Answer: A
NEW QUESTION 37
You ate deploying P|M source-specific multicast (SSM) for a new multicast messaging service You have configured the multicast source to use 236.44.123.100 as the multicast address. You are not able to join the PIM SSM multicast teed Which two solutions would resolve this problem? (Choose two )
- A. Reconfigure the multicast source to use an address in the range of 232 0.0 0 through 232.255.255.255
- B. Add the multicast address to the [edit routing-options multicast ssm-groups] stanza.
- C. Add the multicast address to the (edit routing-options multicast ssm-map) stanza.
- D. Reconfigure the multicast source to use an address in the range of 224.0.0 0 through 224.255.255.255.
Answer: A,C
NEW QUESTION 38
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