Juniper JN0-648 Exam Dumps - Updated Aug 2022

Question 1

Exhibit.

You have applied the CoS configuration shown in the exhibit to an EX4300 switch.

Which two statements are true? (Choose two. )

AAll strict-high priority queues are serviced in a round-robin fashion as long as they have remaining credits

BAll strict-high priority queues are serviced in a round-robin fashion regardless of available credits.

CPackets in low priority queues transmit only when start-high priority queues are empty

DPackets in low priority queues are serviced when strict-high priority queues have no available credits

Question 2

Which two statements are true about IS-IS levels? (Choose two.)

ALevel 2 systems do not advertise Level 2 routes into a Level area by default.

BLevel 2 systems must use the loopback address as a part of the ISO network address.

CLevel 1 system only from adjacencies with other systems that have different area IDs.

DLevel 1 systems use a default route to reach AS external routes located in other areas.

Question 3

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?

ABy default, the supplicant will send EAP messages and keep the port in an unauthorized state.

BBy default, the authenticator will send EAP messages and keep the port in an unauthorized state.

CBy default, the supplicant will send EAP messages until it reaches a predefined limit, after which it begins to forward traffic.

DBy default, the authenticator will send EAP messages until it reaches a predefined, after which it begins to forward traffic.

Question 4

Exhibit.

You are implementing CoS for a custom application that is labeling its packets with DSCP code-point 101111. You have applied the configuration shown in the exhibit, but not that while some custom application traffic ingressin on ge-0/0/1 transits the SRX Series device successfully, packets ingressing all other ge-* interfaces are being dropped.

Which action should you take to solve this problem?

AConfigure a scheduler and scheduler map for expedited-forwarding and apply to all interfaces.

BModify the BA classifier to assign code point 101111 to loss priority low.

CRemove the BA classifier from all ge-interfaces.

DApply the rate-limit-ef policer to all ge-interfaces.

Question 5

What are two supported PoE management modes? (Choose two.)

Amixed

Bstandalone

Cclass

Dstatic

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