JN0-690 試験問題を無料オンラインアクセス

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 io-statistics
• C.show ospf statistics
• D.show ospf log

Click the Exhibit button.
-- Exhibit -user@R1> show route 2.2.2.2
user@R1> show route forwarding-table destination 2.2.2.2
Routing table: default.inet Internet: Destination Type RtRef Next hop Type Index NhRef Netif 2.2.2.2/32 user 1 17.1.1.2 ucst 642 9 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 redirect the packet to the Routing Engine.
• B.R1 will forward the packet.
• C.R1 will discard the packet.
• D.R1 will reject the packet.

In the Junos OS, which type of file dumps the program's environment in the form of memory pointers, instructions, and register data to a file in the event of a panic or other serious malfunction?

• A.log file
• B.backup file
• C.configuration file
• D.core file

Which two statements are true about firewall filters and policers? (Choose two.)

• A.If an input firewall filter is configured on the same logical interface as a policer, the firewall filter is executed first.
• B.If an input firewall filter is configured on the same logical interface as a policer, the policer is executed first.
• C.If an output firewall filter is configured on the same logical interface as a policer, the firewall filter is executed first.
• D.If an output firewall filter is configured on the same logical interface as a policer, the policer is executed first.

Which three statements are correct about ARP related troubleshooting? (Choose three.)

• A.An individual ARP entry can be cleared using the clear arp hostname command.
• B.The monitor traffic interface <interface-name> command can be used to watch ARP packets.
• C.There are no default ARP policers on any devices running the Junos OS.
• D.Most devices that run the Junos OS allow you to specify a manual ARP entry.
• E.The clear arp command also clears the IPv6 neighbor cache.