A Review Of Practical JN0-691 discount pack

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2017 Jan JN0-691 braindumps

Q11. Which statement is correct about troubleshooting? 

A. You must always have a complete understanding of the problem before you begin gathering any information. 

B. You must be sure the problem will be resolved before attempting a potential solution. 

C. The problem must be reproducible before attempting a potential solution. 

D. Establishing a network baseline is important to help understand when something is not working. 

Answer:


Q12. -- Exhibit --Local traffic capture on r1: 

Address resolution is OFF. 

Listening on ge-5/3/0.0, capture size 1514 bytes 

22:16:33.610374 Out IP (tos 0xc0, ttl 1, id 34562, offset 0, flags [none], proto: OSPF (89), 

length: 76) 10.1.2.1 > 224.0.0.5: OSPFv2, Hello, length 56 [len 44] Router-ID 1.1.1.1, 

Backbone Area, Authentication TypE.none (0) Options [External, LLS] 

Hello Timer 10s, Dead Timer 40s, Mask 255.255.255.252, Priority 128 LLS: checksum: 

0xfff6, length: 3 

Extended Options (1), length: 4 Options: 0x00000001 [LSDB resync] 

[edit] 

user@r1# run show ospf interface Interface State Area DR ID BDR ID Nbrs ge-5/3/0.0 

PtToPt 0.0.0.0 0.0.0.0 0.0.0.0 0lo0.1 DR 0.0.0.0 1.1.1.1 0.0.0.0 0 

[edit] 

user@r1# run show ospf neighbor 

Local traffic capture on r2: Address resolution is OFF. 

Listening on ge-5/3/1.0, capture size 1514 bytes 

22:16:42.238030 Out IP6 (class  0xc0, hlim 1, next-header:  OSPF  (89),  length:  36) 

fe80::6687:88ff:fe6c:6769 > ff02::5: OSPFv3, Hello, length 36 

Router-ID 2.2.2.2, Backbone Area Options [V6, External, Router] 

Hello Timer 10s, Dead Timer 40s, Interface-ID 0.0.0.1, Priority 128 Neighbor List: 

user@r2# run show ospf interface OSPF instance is not running 

-- Exhibit --Click the Exhibit button. 

Referring to the exhibit, routers r1 and r2 are connected to each other by interfaces ge- 

5/3/0 and ge-5/3/1 respectively. They do not become OSPF neighbors. 

Which two statements are true? (Choose two.) 

A. r1 is configured for OSPFv3. 

B. r1 is configured for OSPFv2. 

C. r2 is configured for OSPFv2. 

D. r2 is configured for OSPFv3. 

Answer: B, D 


Q13. Click the Exhibit button. -- Exhibit --user@router> show system processes extensive last piD.4160; load averages: 0.13, 0.08, 0.07 up 2+02:47:50 21:13:39 120 processes: 17 running, 90 sleeping, 1 zombie, 12 waiting Mem: 141M Active, 96M Inact, 517M Wired, 160M Cache, 112M Buf, 55M Free Swap: PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 1271 root 7 76 0 514M 63724K select 0 157.9H 280.42% flowd_octeon_hm 22 root 1 171 52 0K 16K RUN 0 43.3H 83.45% idlE.cpu0 4158 lab 1 78 0 49192K 16440K select 0 0:00 2.25% cli 1255 root 1 76 0 114M 17604K select 0 41:47 0.00% chassisd 24 root 1 -20 -139 0K 16K WAIT 0 18:50 0.00% swi7: clock 1293 root 1 76 0 12476K 6484K select 0 9:25 0.00% license-check 4159 root 1 76 0 38608K 5720K select 0 0:00 0.00% mgd ... 36 root 1 8 0 0K 16K usbevt 0 0:00 0.00% usb1 33 root 1 8 0 0K 16K usbevt 0 0:00 0.00% usb0 4160 root 1 77 0 24260K 1816K CPU0 0 0:00 0.00% top 1176 root 1 -8 0 0K 16K mdwait 0 0:00 0.00% md2 7 root 1 8 0 0K 16K - 0 0:00 0.00% thread taskq 1186 root 1 -8 0 0K 16K mdwait 0 0:00 0.00% md3 0 root 1 -8 0 0K 0K WAIT 0 0:00 0.00% swapper -- Exhibit --Referring to the exhibit, which Junos OS process was the last one to start? 

A. flowd_octeon_hm 

B. top 

C. swapper 

D. cli 

Answer:


Q14. Your supervisor asks you to use the unified in-service software upgrade (ISSU) process to upgrade a Junos device. What are two results upon execution? (Choose two.) 

A. The backup RE is upgraded with the new software and resynchronizes with the master RE. 

B. kmd synchronizes the kernel on the backup RE with the master RE. 

C. The master RE is upgraded with the new software and resynchronizes with the backup RE. 

D. ksyncd synchronizes the kernel on the backup RE with the master RE. 

Answer: A, D 


Q15. Click the Exhibit button. -- Exhibit --May 20 22:27:04.010297 OSPF rcvd Hello 192.168.0.2 -> 224.0.0.5 (ge-1/1/2.0 IFL 343 area 0.0.0.0) May 20 22:27:04.010320 Version 2, length 44, ID 10.10.10.1, area 0.0.0.1 May 20 22:27:04.010342 checksum 0x166d, authtype 0 May 20 22:27:04.010365 mask 255.255.255.252, hello_ivl 10, opts 0x12, prio 128 May 20 22:27:04.010387 dead_ivl 40, DR 192.168.0.2, BDR 0.0.0.0 May 20 22:27:07.891698 OSPF periodic xmit from 192.168.0.1 to 224.0.0.5 (IFL 2684276180 area 0.0.0.0) May 20 22:27:12.749988 OSPF packet ignored:area mismatch (0.0.0.1) from 192.168.0.2 on intf ge-1/1/2.0 area 0.0.0.0 May 20 22:27:12.750071 OSPF rcvd Hello 192.168.0.2 -> 224.0.0.5 (ge-1/1/2.0 IFL 343 area 0.0.0.0) May 20 22:27:12.750095 Version 2, length 44, ID 10.10.10.1, area 0.0.0.1 

May 20 22:27:12.750116 checksum 0x166d, authtype 0 May 20 22:27:12.750139 mask 255.255.255.252, hello_ivl 10, opts 0x12, prio 128 May 20 22:27:12.750161 dead_ivl 40, DR 192.168.0.2, BDR 0.0.0.0 May 20 22:27:14.393182 OSPF rcvd Hello 192.168.0.2 -> 224.0.0.5 (ge-1/1/2.0 IFL 343 area 0.0.0.0) May 20 22:27:14.393262 Version 2, length 44, ID 10.10.10.1, area 0.0.0.0 May 20 22:27:14.393284 checksum 0x0, authtype 0 May 20 22:27:14.393307 mask 255.255.255.252, hello_ivl 50, opts 0x12, prio 128 May 20 22:27:14.393368 dead_ivl 200, DR 0.0.0.0, BDR 0.0.0.0 May 20 22:27:14.393399 OSPF packet ignored:our router ID received from 192.168.0.2 on intf ge-1/1/2.0 area 0.0.0.0 -- Exhibit --Referring to the exhibit, which two OSPF adjacency problems are present? (Choose two.) 

A. hello interval mismatch 

B. duplicate router ID 

C. area type mismatch 

D. area number mismatch 

Answer: B, D 


Up to date JN0-691 download:

Q16. Click the Exhibit button. -- Exhibit --user@r2# run show route 100.1.1.0/24 detail inet.0: 5 destinations, 5 routes (5 active, 0 holddown, 0 hidden) 100.1.1.0/24 (1 entry, 1 announced) *Static PreferencE.5 Next hop typE.Reject Address: 0x8f7b5a4 Next-hop reference count: 2 StatE. Local AS: 65001 AgE.59 Task: RT Announcement bits (1): 2-KRT AS path: 65005 I user@r2# show protocols bgp group ibgp { type external; export to-bgp; neighbor 10.1.2.1 { local-address 10.1.2.2; family inet { unicast; } family inet6 { unicast; } peer-as 65005; } } user@r2# run show bgp summary Groups: 1 Peers: 1 Down peers: 0 Table Tot Paths Act Paths Suppressed History Damp State Pending inet6.0 0 0 0 0 0 0 inet.0 0 0 0 0 0 0 Peer AS InPkt OutPkt OutQ Flaps Last Up/Dwn State|#Active/Received/Accepted/Damped... 

10.1.2.1 65005 31 31 0 0 12:08 Establ 

inet6.0: 0/0/0/0 inet.0: 0/0/0/ 

user@r2# show policy-options policy-statement to-bgp { 

from protocol static; then accept; 

user@r2# run show route advertising-protocol bgp 10.1.2.1 [edit] 

user@r2# 

-- Exhibit --Referring to the exhibit, router r2 does not advertise the static route to peer 10.1.2.1. What 

is the problem? 

A. The export policy is incorrect. 

B. The static route has Next hop typE.Reject. 

C. The export policy should be applied under the [edit protocols bgp group ibgp neighbor 

10.1.2.1] hierarchy. 

D. An AS path loop is detected. 

Answer:


Q17. -- Exhibit –

user@router> show system switchover Graceful switchover: On Configuration databasE.Ready Kernel databasE.Version incompatible Peer statE.Steady State -- Exhibit --You have enabled graceful Routing Engine switchover (GRES). During verification, you switched mastership and all interfaces went down. Referring to the output shown in the exhibit, why did the interfaces go down? 

A. The synchronization failed because the Junos OS version on the backup is incompatible with the version running on the master. 

B. The synchronization failed because the Junos OS version on the backup does not support GRES. 

C. The synchronization failed because the Routing Engine models are different between the master and backup. 

D. The synchronization failed because the master Routing Engine cannot communicate with the backup Routing Engine. 

Answer:


Q18. When using change-control processes, which three actions must be considered? (Choose three.) 

A. Coordinate scheduling that will be least impactful to production. 

B. Coordinate scheduling that works best with the individuals involved. 

C. Perform testing in a production environment prior to change-control. 

D. Formalize the request based on company policies. 

E. Balance troubleshooting needs with productions risks. 

Answer: A, D, E 


Q19. To protect theRouting Engine of your Junos device from denial-of-service attacks, you created a firewall filter. Where do you apply the firewall filter? 

A. input on the fxp0 interface 

B. output on the fxp0 interface 

C. input on the lo0 interface 

D. output on the lo0 interface 

Answer:


Q20. What are two configuration steps required when performing a local loopback on an Ethernet interface? (Choose two.) 

A. Use theset interfaces <interface-name> mtucommand. 

B. Use theinterfaces <interface-name> ether-options loopbackcommand. 

C. Use theset interfaces <interface-name> clocking internalcommand. 

D. Use theset interfaces <interface-name> unit <logical-unit-number> family inet address <address> arp <ip-address><mac-address>command. 

Answer: B, D 



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