JN0-691 Exam Questions
134 real JN0-691 exam questions with expert-verified answers and explanations. Page 1 of 3.
- Question #1
You must view the /var/log/messages file from the operational mode and filter only information related to the ae0 interface. The ge-0/0/0 and ge-0/0/1 interfaces are member links o...
- Question #2
When using change-control processes, which three actions must be considered? (Choose three.)
- Question #3
Referring to the exhibit, what happens to traffic sent to unknown destinations?
- Question #4
An engineer upgraded a router to an incorrect version of the Junos OS and performed the system snapshot function. Which two actions would return the system to the original version?...
- Question #5
To protect the Routing Engine of your Junos device from denial-of-service attacks, you created a firewall filter. Where do you apply the firewall filter?
- Question #6
Which monitoring protocol allows you to securely monitor Junos devices?
- Question #7
Which statement is true about an operational interface that has been deactivated?
- Question #8
Which two statements are true about nonstop active routing? (Choose two.)
- Question #9
Referring to the exhibit, you must clear a user session that is not responding. The user is logged in using the console. Which session must be cleared?
- Question #10
You are asked to configure your MX480 device to flag a remote DTE into loopback mode. In which hierarchy would this capability be configured?
- Question #11
Which statement is correct about Layer 2 interfaces and their default behaviors?
- Question #12
What are two configuration steps required when performing a local loopback on an Ethernet interface? (Choose two.)
- Question #13
You have noticed a number of recent scheduler slips on your Junos device and must identify the cause. Which tool would you use for this task?
- Question #14
You are asked to troubleshoot a problem with control traffic on the ge-0/0/0 interface on an SRX240 device. Which command will accomplish this task?
- Question #15
Your router is not advertising all known BGP routes to its EBGP neighbor. Which statement is correct in this scenario?
- Question #16
Which Junos OS feature facilitates Routing Engine redundancy?
- Question #17
Which outcome is expected when you configure BGP graceful restart after the BGP session is established?
- Question #18
Which process is responsible for replicating information between Routing Engines running GRES?
- Question #19
You cannot complete a Junos OS software upgrade because there is not enough disk space on your router. Which two parameters would you add to the request system software add command...
- Question #20
Which protocol is used to provide dynamic routing between routers?
- Question #21
You are troubleshooting a connection problem with an EBGP neighbor. You do not have access to this neighbor device. What would you use to view the neighbor's parameters?
- Question #22
Which two actions should you perform prior to troubleshooting a problem? (Choose two.)
- Question #23
You are troubleshooting an EBGP peering that is not establishing between loopback addresses. In this scenario, which two statements are correct? (Choose two.)
- Question #24
You have configured an OSPF adjacency, but when viewing the OSPF neighbors, there is no adjacency in the output. What are three reasons for this problem? (Choose three.)
- Question #25
What is a common cause for an OSPF peering session stuck in Exstart?
- Question #26
Which command is used to determine a serial number of a previously installed FRU?
- Question #27
Which two statements are true regarding the routing process on a Junos device? (Choose two.)
- Question #28
Which command allows you to view real-time packet header information of the ge-0/0/0 interface?
- Question #29
Which two commands would be used to troubleshoot control plane CPU problems? (Choose two.)
- Question #30
A hardware component has failed on a Junos device. You must determine the time that the component failed and you need more information about the problem. Which command would you us...
- Question #31
On which system component does the Junos OS reside?
- Question #32
Which chassis component on a Junos device serves as the brain of the device and maintains routing tables?
- Question #33
Which statement is true regarding the diagram shown in the exhibit?
- Question #34
Which CLI command is used to restart a software process?
- Question #35
Which three commands are useful in identifying and addressing the cause of the lack of disk space? (Choose three.) user@host> request system software add ... WARNING: The /var file...
- Question #37
Referring to the exhibit, why does only the loopback interface appear in the show ospf interface output? [edit] user@router# show interfaces ge-1/1/2 { vlan-tagging; unit 100 { vla...
- Question #38
By default, in which table are OSPF routes stored on a Junos device?
- Question #39
An interface on your Junos device reports a device-level flag of Loopback-detected. What is causing this flag to be reported?
- Question #40
Which two statements are true about firewall filters and policers? (Choose two.)
- Question #41
A client has reported that they cannot establish an FTP connection to your Junos device. Which command would you use to diagnose the problem?
- Question #42
You have configured graceful Routing Engine switchover (GRES) on your device running the Junos OS. Which command would you run to ensure that GRES is functioning properly?
- Question #43
Which command would be helpful in determining the time at which the protocols started?
- Question #44
What controls the CLI process?
- Question #45
You have been asked to troubleshoot an interface that is flapping. Which three tools would you use to isolate the cause? (Choose three.)
- Question #46
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 ar...
- Question #47
Given the example shown below: Emergency boot media > flash disk > _____ What is missing from the default boot list?
- Question #48
Referring to the exhibit, router r2 does not advertise the static route to peer 10.1.2.1. user@r2# run show route 100.1.1.0/24 detail inet.0: 5 destinations, 5 routes (5 active, 0...
- Question #49
Which CLI command would be used to verify the routing protocol daemon memory usage?
- Question #50
Referring to the exhibit, which two statements are true? (Choose two.) user@router> show configuration system services | display inheritance ssh; telnet;
- Question #51
Referring to the exhibit, which statement is true about transit traffic sent to 2.2.2.2? user@R1> show route forwarding-table destination 2.2.2.2 user@R1> show route 2.2.2.2 inet.0...