Latest Verified & Correct Juniper JN0-649 Questions & Answers Daily Updated [Q94-Q118]

Q94. Referring to the exhibit, how will router E quickly learn that the remote MAC addresses are no longer reachable through the router attached to the failed link?

Router E receives Type 2 withdrawal messages from router D.

Router E receives Type 1 withdrawal messages from router D.

Router E receives Type 1 withdrawal messages from router C.

Router E receives Type 2 withdrawal messages from router C.

Q95. Which statement is correct about MSTP?

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

MSTP enables dynamic discovery of Layer 2 neighbors.

MSTP dynamically manages VLAN registration in a LAN

MSTP uses slacked VLAN tags to extend a Layer 2 Ethernet connection between multiple sites

Q96. You are deploying IP phones in your enterprise networks. When plugged in, the IP phones must automatically negotiate the power requirements for the new connection with the EX Series switches.
In this scenario, which protocol should be used to enable this behavior?

CDP

MP-BGP

LLDP-MED

LLDP

Q97. You are asked to establish interface level authentication for users connecting to your network. You must ensure that only corporate devices, identified by MAC addresses, are allowed to connect and authenticate.
Authentication must be handled by a centralized server to increase scalability.
Which authentication method would satisfy this requirement?

MAC RADIUS

captive portal

802.1X with single-secure supplicant mode

802.1X with multiple supplicant mode

Q98. Which statement is correct about CoS policers on Junos devices?

Traffic that exceeds a policer’s traffic profile can be dropped or assigned to a specific drop profile.

A policer can assign in-profile traffic to a specific forwarding class.

A policer does not alter in-profile traffic.

Policers can be configured to buffer traffic that exceeds the policer’s traffic profile.

Q99. You are troubleshooting an EVPN-VXLAN IP fabric and observe the loop shown in the exhibit.
Which two steps would you take to further troubleshoot this problem? (Choose two.)

Verify that the same ESI is configured on the link from the host and that it matches the source.

Issue the show route table bgp.evpn.0 command on Leaf2 and verify that Type 4 routes are present.

Issue the show route table bgp.evpn.0 command on Leaf2 and verify that Type 3 routes are present.

Verify that the same ESI is configured on the two links from the source.

Q100. 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 )

The AD runs the Junos software for all its connected SDs.

The Fusion extended ports are configured on the SDs.

SDs are added to the AD by configuring the cascade port on the AD.

All SDs connected to a single AD must use the same software version.

Q101. You are troubleshooting a BGP connection.
Referring to the exhibit, which two statements are correct? (Choose two.)

Packet fragmentation is preventing the session from establishing.

The 192.168.1.5 peer has a misconfigured MD5 key.

The ge-0/0/1 interface is disabled.

The 192.168.1.4 peer has a misconfigured autonomous system number.

Q102. Click the Exhibit button.

During an outage, you review the status of the Q-in-Q implementation on VLAN 300.
Referring to the exhibit, what would be the cause of the outage?

The S-VLAN is disabled.

The VLAN range overlaps.

The C-VLANs are disabled.

There are no active ports.

Q103. When configuring 802.1X authentication, what are three server fail fallback settings? (Choose three.)

log

sustain

permit

count

move

Q104. Referring to the exhibit, which two statements are correct? (Choose two.)

BPDUs from the root bridge for VLAN 10 have been received on the ge-0/0/7.0 interface.

DS-1 is the root bridge for VLAN 10.

BPDUs from the root bridge for VLAN 20 have been received on the ge-0/0/7.0 interface.

Default VSTP bridge priority values are configured.

Q105. The connection between DC1 and DC2 is routed as shown in the exhibit.
In this scenario, which statement is correct?

The border devices must be able to perform Layer 3 routing and provide IRB functionality.

L3VPN must be enabled to advertise reachability.

An IP prefix route provides encoding for intra-subnet forwarding.

Type 2 and Type 5 routes will be exchanged between DC1 and DC2.

Q106. In OSPF, how does a router ensure that LSAs advertised to a neighboring router are received?

LSA flooding guarantees that all routers will receive them successfully.

LSAs are sent over a TCP connection.

LSAs are acknowledged by the neighboring router.

LSAs are advertised with an acknowledgement bit.

Q107. 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?

network-control

assured-forwarding

best-effort

expedited-forwarding

Q108. Which two multicast listener registration protocols are supported in the Junos operating system? (Choose two.)

MLD

DVMRP

IGMP

PIM

Q109. BGP multipath or multihop are not configured in your network.
In this scenario, what is the correct sequence for BGP active route selection?

higher local preference
shortest AS path
lowest peer address
lowest router ID
lower origin code

higher local preference
shortest AS path
lower origin code
lowest router ID
lowest peer address

higher local preference
lowest router ID
lowest peer address
lower origin code
shortest AS path

higher local preference
shortest AS path
lowest router ID
lowest peer address
lower origin code

Q110. Click the Exhibit.

Switch 4 is rebooted as shown in the exhibit.
Which statement is correct in this scenario?

CIST is reconverged.

MSTI-1 is reconverged.

CIST generates notification events.

MSTI-2 is reconverged.

Q111. You are investigating reports of increased latency and discover that some routes cause customer traffic to traverse a route reflector instead of the optimal path.
Referring to the exhibit, which configuration statement would solve the problem?

set protocols bgp group BGP-HESH import NHS

delete protocols bgp group BGP-MESH peer-as

set policy-option, policy-statement NHS term BGP_ROUTES from external

delete protocol bop group BGP-MESH export NH3

Q112. You have scheduled maintenance operations for one of the devices in your OSPF network.
Referring to the exhibit, which three statements are correct? (Choose three.)

R1 does not participate in OSPF routing.

Any traffic destined for networks that terminate on R1 will still be forwarded to R1.

The metrics for all transit interfaces on R1 is set to the maximum value of 65,535.

R1 participates in OSPF routing but does not send or receive transit traffic.

R1 does not send or receive transit traffic during the maintenance window even if no alternative paths exist to the given destination.

Q113. Your enterprise network uses routing instances to support multitenancy. Your Junos devices use BGP to peer to multiple BGP devices. You must ensure that load balancing is achieved within the routing instance.
Which two statements would accomplish this task? (Choose two.)

Configure the multipath option at the [edit protocols bgp group <group-name> neighbor] hierarchy.

Configure the multipath option at the [edit protocols bgp group] hierarchy.

Configure a load-balance per-packet policy and apply it at the [edit routing-options forwarding- table] hierarchy.

Configure the multipath option at the [edit routing-instances <instance-name> routing-options] hierarchy.

Q114. In IS-IS advertising POUs with the overload bit has which effect?

The local device will no longer be used for transit traffic

The local device’s POUs are marked with a metric of 65535

The ISIS adjacencies become passive

The IS-IS adjacencies enter the “new” state

Q115. A modified deficit round-robin scheduler is defined by which three variables? (Choose three.)

priority

WRED

transmit rate

Layer 3 fields

buffer size

Q116. Referring to the exhibit, which two statements are correct? (Choose two.)

The maximum wattage that this switch can allocate to attached Ethernet devices is 100 watts.

If the total power consumption exceeds 90 watts, the ge-0/0/11 interface will continue to receive power.

PoE is not enabled on the ge-0/0/0 interface.

The ge-0/0/10 interface supports PoE+.

Q117. Your organization has recently acquired another company. You must carry all of the company’s existing VLANs across the corporate backbone to the existing branch locations without changing addressing and with minimal configuration.
Which technology will accomplish this task?

Q-in-Q all-in-one bundling

PVLAN isolated VLAN

MVRP registration normal

EVPN-VXLAN anycast gateway

Q118. You are configuring an EVPN overlay to allow VLANs to be stretched between two campus sites, but EVPN routes are not being exchanged. Referring to the exhibit, which configuration statement would solve this problem?