Which operational CLI command would you use to troubleshoot hardware-related problems?
A. show system
B. show chassis
C. show route
D. show cli
Which operational command would be used to display diagnostic data and alarms for 1/10/100 Gigabit Ethernet optical transceivers?
A. show interfaces extensive
B. show interfaces diagnostics optics
C. show chassis alarms
D. show interfaces controller
Given the example shown below:
Emergency boot media > flash disk > _____
What is missing from the default boot list?
A. LAN
B. USB
C. PCMCIA card
D. hard disk
You are notified about a router reboot event.
Which command would be helpful in determining the reason for the last reboot?
A. show chassis craft-interface
B. show system reboot
C. show chassis routing-engine
D. show system snapshot
Which CLI command would be used to verify the routing protocol daemon memory usage?
A. show route summary
B. show route detail
C. show system processes extensive
D. show chassis routing-engine
Which two features would be deployed to prevent DoS attacks? (Choose two.)
A. Bidirectional Forward Detection (BFD)
B. ARP policer
C. loopback filter
D. periodic packet management (PPM)
Two neighboring routers running OSPF were configured with the same router ID by mistake. Which OSPF operational mode command would report the number of hello packets received with the local router's router ID?
A. show ospf route
B. show ospf log
C. show ospf statistics
D. show ospf io-statistics
Click the Exhibit button.
-- Exhibit -=================== Bootstrap installer starting =================== Initialized the environment Routing engine model is RE-S-1800x4 Discovered that flash disk = ad0 , hard disk = ad1 mount: /dev/ad1s1f : Invalid argument ERROR: mount_partition: Mount /dev/ad1s1a /mnt failed You are now in a debugging subshell (you may not see a prompt)... # -- Exhibit -
During the boot of your MX480, you see the output shown in the exhibit. Which three statements are true? (Choose three.)
A. The Routing Engine cannot mount the partition to complete booting.
B. Running fsck on the partition might resolve the boot problem.
C. You must swap the Routing Engine over to the backup slot to get it to boot properly.
D. The boot failed because one of the file systems is in an inconsistent state.
E. The boot failed because a USB drive has been inserted into the device.
Click the Exhibit button. -- Exhibit -user@R1> show route forwarding-table destination 2.2.2.2
user@R1> show route 2.2.2.2
inet.0: 10 destinations, 10 routes (10 active, 0 holddown, 0 hidden) + = Active Route, - = Last Active, * = Both
2.2.2.2/32 *[OSPF/10] 2w3d 22:19:41, metric 1 > to 17.1.1.2 via xe-1/1/0.0
-- Exhibit -
Referring to the exhibit, which statement is true about transit traffic sent to 2.2.2.2?
A. R1 will discard the packet.
B. R1 will forward the packet.
C. R1 will redirect the packet to the Routing Engine.
D. R1 will reject the packet.
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.
