High efficiency

If you study on our test engine, your preparation time of the JN0-690 guide torrent will be greatly shortened. Firstly, the important knowledge has been picked out by our professional experts. You just need to spend about twenty to thirty hours before taking the real JN0-690 exam. Also, our workers have made many efforts on the design of the system. You will never feel bored when you study on our JN0-690 preparation materials. Every question is designed with heart. In addition, the relevant knowledge will be easy to memorize. Learning can also be a pleasant process. The saved time can be used to go sightseeing or have a rest. All in all, your purchasing of our JN0-690 real test is absolutely correct. We have solved all of your troubles. Come to buy our study materials.

The whole world of JN0-690 preparation materials has changed so fast in the recent years because of the development of internet technology. We have benefited a lot from those changes. In order to keep pace with the development of the society, we also need to widen our knowledge. If you are a diligent person, we strongly advise you to try our JN0-690 real test. You will be attracted greatly by our test engine. Life is too short, do not waste time. It is never too late to learn. Your choice of our study materials is completely correct.

Accurate predication

Normally, you will come across almost all of the real test questions on your usual practice. Maybe you are doubtful about our JN0-690 guide torrent. We have statistics to tell you the truth. The passing rate of our products is the highest according to the investigation. Many candidates can also certify for our study materials. It will be your loss if you miss our products. As long as you are willing to trust our JN0-690 preparation materials, you are bound to get the certificate. Life needs new challenge. Try to do some meaningful things.

Favorable comments from customers

Our company is trying to satisfy every customer's demand. Of course, we also attach great importance on the quality of our JN0-690 real test. Every product will undergo a strict inspection process. In addition, there will have random check among different kinds of study materials. The quality of our study materials deserves your trust. Never have our JN0-690 preparation materials complained by the customer in the past ten years. Most of them are willing to introduce their friends to purchase our study materials. Also, they will write favorable comments on our websites to express their thanks. Almost every customer is satisfied with our JN0-690 guide torrent. As we all know, it's hard to delight every customer. But we have successfully done that. Our study materials are really reliable. In a word, our products have built good reputation in the market. We sincerely hope that you can try our JN0-690 preparation materials. You will surely benefit from your correct choice. Learning never stops!

Juniper Junos Troubleshooting Sample Questions:

1. Click the Exhibit button.
-- Exhibit -user@R1> show pfe statistics traffic Packet Forwarding Engine traffic statistics:
Input packets: 47593914461368 2 pps Output packets: 28805646 3 pps Packet Forwarding Engine local traffic statistics: Local packets input : 36278104324
Local packets output : 2
Software input control plane drops : 0
Software input high drops : 0
Software input medium drops : 0
Software input low drops : 0
Software output drops : 0
Hardware input drops : 191367536738 Packet Forwarding Engine local protocol statistics:
HDLC keepalives : 0
ATM OAM : 0
Frame Relay LMI : 0
PPP LCP/NCP : 0
OSPF hello : 3883169
OSPF3 hello : 0
RSVP hello : 1440704
LDP hello : 4782297
BFD : 0
IS-IS IIH : 0
LACP : 0
ARP : 765512
ETHER OAM : 0
Unknown : 1897610 Packet Forwarding Engine hardware discard statistics:
Timeout : 0
Truncated key : 0
Bits to test : 0
Data error : 0 Stack underflow : 0 Stack overflow : 0 Normal discard : 191367536738 Extended discard : 0 Invalid interface : 0 Info cell drops : 191367536738 Fabric drops : 191367536738
Packet Forwarding Engine Input IPv4 Header Checksum Error and Output MTU Error statistics: Input Checksum : 0 Output MTU : 0
-- Exhibit -
Referring to the exhibit, which counter indicates a possible denial of service attack?

A) hardware input drops
B) normal discard
C) info cell drops
D) fabric drops

2. Click the Exhibit button.
-- Exhibit -user@R1> show configuration interfaces xe-1/1/0 {
unit 0 { family inet {
address 17.1.1.1/24;
}
family mpls;
}
}
user@R1> ping 17.1.1.2 size 1473 do-not-fragment
PING 17.1.1.2 (17.1.1.2): 1473 data bytes
ping: sendto: Message too long
ping: sendto: Message too long
ping: sendto: Message too long
user@R1> ping 17.1.1.2 logical-system R1 size 1472 do-not-fragment
PING 17.1.1.2 (17.1.1.2): 1472 data bytes
1480 bytes from 17.1.1.2: icmp_seq=0 ttl=64 time=0.933 ms
1480 bytes from 17.1.1.2: icmp_seq=1 ttl=64 time=0.838 ms
1480 bytes from 17.1.1.2: icmp_seq=2 ttl=64 time=4.688 ms
-- Exhibit --
You are using the ping command to troubleshoot a suspected MTU problem.

A) The first ping fails because the Junos OS takes into account ICMP and IP headers while calculating the MTU.
B) The first ping fails because the Junos OS takes into account the CRC header while calculating the MTU.
C) Referring to the exhibit, which two statements are true? (Choose two.) The first ping fails because the do-not-fragment option is set.
D) The first ping fails because the Junos OS takes into account Layer 2 headers while calculating the MTU.

3. You have been asked to troubleshoot an interface that is flapping.
Which three tools would you use to isolate the cause? (Choose three.)

A) PFE statistics
B) loopback interface testing
C) syslog messages
D) ping utility
E) show interfaces

4. Click the Exhibit button.
-- Exhibit -user@router> show system users
9:28PM up 2 days, 3:02, 2 users, load averages: 0.06, 0.13, 0.09 USER TTY FROM LOGIN@ IDLE WHAT lab u0 -9:13PM - -cli (cli) admin p0 10.210.15.30 9:45PM - -cli (cli) -- Exhibit -
Referring to the exhibit, which two statements are true? (Choose two.)

A) Both user sessions will be cleared after issuing the command request system logout terminal.
B) The admin user is connected through a Telnet or SSH session.
C) The lab user's session will be cleared after issuing the command request system logout user lab.
D) The admin user is connected through a console session.

5. Which three statements are true about performing an ISSU on a Junos device? (Choose three.)

A) The backup RE verifies disk space on both REs, unsupported configurations, and unsupported PICs.
B) ksyncd synchronizes the kernel on the backup RE with the master RE.
C) Every PFE on each FPC downloads the new software from the backup RE.
D) The master RE verifies disk space on both REs, unsupported configurations, and unsupported PICs.
E) Any unsupported PICs will cause the ISSU process to fail with "Error: incompatible hardware detected."

Solutions: