Juniper Junos Troubleshooting - JN0-690 Exam Practice Test

In Junos, which process has its own internal task scheduler?

-- 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?

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?

-- 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 0
lo0.1 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.)

Given the example shown below:
Emergency boot media > flash disk > _____
What is missing from the default boot list?

Click the Exhibit button.
-- Exhibit --
user@R1> show configuration interfaces lo0
unit 5 {
family inet {
filter {
input JUNOS;
}
address 5.5.5.5/32;
}
}
user@R1> show configuration firewall family inet filter JUNOS
term term1 {
from {
protocol tcp;
port [ telnet ftp ftp-data snmp ssh syslog http tacacs 64644 1024-65535 ];
}
then {
log;
accept;
}
}
term default {
then {
discard;
} } -- Exhibit -
Referring to the exhibit, which three statements are true? (Choose three.)

Which two statements are true regarding BGP path MTU discovery? (Choose two.)