A Juniper JN0-643 assessment could possibly be taken on in Speech. One would have the capacity to restore ones destiny right after growing this specific evaluation. Quality contains a higher level with issue and therefore test takers really need to spend ample amount of time in assessment preparing. There are many JN0-643 study books that creates your current assessment preparing a lot easier. These kind of would likely include lots of JN0-643 answers and questions that could consist of specific explanation for the questions. Therefore the candidates could be granted a good illustration showing the patient really make a difference. There are many Juniper JN0-643 study products out there and therefore the candidates must be cautious plenty of to find the perfect study product.
2021 Oct JN0-643 exam prep
Q81. Click the Exhibit button.
You are implementing Q-in-Q tunneling to connect R1 and R2 using the configurations shown in the exhibit.
What must be changed on Switch_A to allow both Dot1q-tunneling VLANs and non-Dot1q-tunneling VLANs on the same trunk interface?
A. Change the Dot1q-tunneling Ethertype to 0x9100.
B. Change the Dot1q-tunneling Ethertype to 0x88a8.
C. Change the Dot1q-tunneling Ethertype to 0x8100.
D. Change the Dot1q-tunneling Ethertype to 0x98a8.
Answer: C
Q82. Which configuration parameter causes a router to ignore router ID and peer ID from the BGP route selection algorithm?
A. multihop
B. as-path loops
C. multipath
D. next-hop self
Answer: C
Q83. You are asked to set up 802.1X port authentication for all access ports on your EX Series switch. You have a device that does not support 802.1X supplicants and you must ensure this device is authenticated. You must also ensure that no unnecessary delay occurs when authenticating this device.
Which statement is correct?
A. You should enable MAC RADIUS on the interface and use 802.1X multiple mode.
B. You should enable MAC RADIUS on the interface and statically add the MAC address to the 802.1x configuration.
C. You should enable MAC RADIUS on the interface and include the restrict parameter.
D. You should enable MAC RADIUS on the interface and include the disable parameter.
Answer: C
Q84. Click the Exhibit button.
In the exhibit, R5 is receiving five 200.1.1.x routes from the RIP router, and is advertising them into
Area 1 using an export policy. You do not want any of the RIP routes to be in the routing table of R1.
Which two solutions meet this requirement? (Choose two.)
A. On R1, configure an export policy to reject the routes.
B. On R1, configure an import policy to reject the routes.
C. On R1, configure each address as a martian route.
D. On R1, configure the no-nssa-abr option.
Answer: B,C
Q85. -- Exhibit --
user@router> show interfaces ge-0/0/0 extensive | find "Queue counters"
Queue counters: Queued packets Transmitted packets Dropped packets
0 best-effort 35244 35244 0
1 expedited-fo 258963 59852 199111
2 assured-forw 0 0 0
3 network-cont 1625847 1625847 0
… -- Exhibit --
Click the Exhibit button.
You recently deployed an SRX Series Gateway in your network. It uses the default class of service configuration.
Based on the output in the exhibit, what reason explains the packet drops in Queue 1?
A. Interface ge-0/0/0 should be used only for management network operations.
B. Queue 0 has higher priority than Queue 1.
C. A policer is reclassifying all traffic into Queue 1.
D. No bandwidth reservation exists on Queue 1.
Answer: D
Latest JN0-643 test:
Q86. You must prioritize VoIP packets on your network.
Which feature will accomplish this goal?
A. RSVP
B. Multicast Routing
C. VPLS
D. Class of Service
Answer: C
Q87. NetBIOS snooping information is stored in which database on EX Series switches?
A. RADIUS database
B. LLDP neighbor database
C. MAC table database
D. routing table database
Answer: B
Q88. -- Exhibit –
user@router> show class-of-service scheduler-map two
Scheduler map: two, Index: 56974
Scheduler: sch-best-effort, Forwarding class: best-effort, Index: 26057
Transmit ratE. 1 percent, Rate Limit: exact, Buffer sizE. remainder, Buffer Limit: exact, Priority: low
Excess Priority: unspecified
Drop profiles:
Loss priority Protocol Index Name
Low any 1 <default-drop-profile>
Medium low any 1 <default-drop-profile>
Medium high any 1 <default-drop-profile>
High any 1 <default-drop-profile>
Scheduler: sch-expedited-forwarding, Forwarding class: expedited-forwarding, Index: 10026
Transmit ratE. 1 percent, Rate Limit: none, Buffer sizE. 1 percent, Buffer Limit: none, Priority: high
Excess Priority: unspecified
Drop profiles:
Loss priority Protocol Index Name
Low any 1 <default-drop-profile>
Medium low any 1 <default-drop-profile>
Medium high any 1 <default-drop-profile>
High any 1 <default-drop-profile>
user@router> show interfaces ge-0/0/1 extensive | find "CoS Information"
CoS information:
Direction : Output
CoS transmit queue Bandwidth Buffer
Priority Limit
bps % usec
0 best-effort 1 10000000 r 0
low exact
1 expedited-forwarding 1 10000000 1 0
high none
Logical interface ge-0/0/1.823 (Index 74) (SNMP ifIndex 506) (Generation 139)
Flags: SNMP-Traps 0x4000 VLAN-Tag [ 0x8100.823 ] Encapsulation: ENET2
Traffic statistics:
Input bytes : 1820224529
Output bytes : 6505980
Input packets: 1436371
Output packets: 75905
(... output truncated ...)
user@router> show interfaces ge-0/0/1 extensive | find "Queue Counters"
Queue counters: Queued packets Transmitted packets Dropped packets
0 best-effort 1343970 1343970 7105
1 expedited-fo 53987 53987
0
2 assured-forw 0 0
0
3 network-cont 0
0
Queue number: Mapped forwarding classes
0 best-effort
1 expedited-forwarding
2 assured-forwarding
3 network-control
Active alarms : None
Active defects : None
(... output truncated ...)
-- Exhibit --
Click the Exhibit button.
Based on the configuration in the exhibit, why are you seeing drops in the best-effort queue on the SRX Series platform?
A. The drop-profile fill level is set too low.
B. Packets are dropped by a firewall policy.
C. The best-effort queue is being shaped.
D. The scheduler is not being applied correctly.
Answer: C
Q89. What is the significance of the multicast address range 224.0.0.1 through 224.0.0.254?
A. They have link-local scope.
B. They have administrative region scope.
C. They are reserved for future use.
D. They have a scope of two or more hops from a router.
Answer: A
Q90. During the BGP route-resolution process, the Junos OS must calculate the appropriate next-hop based on the BGP protocol next-hop attribute.
Which two routing tables are checked during this process in a default Junos configuration? (Choose two.)
A. inet.0
B. inet.1
C. inet.2
D. inet.3
Answer: A,D