[2021] JN0-103 All-in-One Exam Guide Practice To your JN0-103 Exam!
Preparations of JN0-103 Exam 2021 JNCIA Unlimited 145 Questions
NEW QUESTION 17 
Referring to the exhibit, which command will change the 172.16.10.1/24 IP address to 172.16.100.1/24 IP address?
- A. set interfaces ge-0/0/2 unit 0 family inet address 172.16.100.1/24
- B. copy interfaces ge-0/0/2 unit 0 family inet address 172.16.10.1/24 to address 172.16.100.1/24
- C. rename interfaces ge-0/0/2 unit 0 family inet address 172.16.10.1/24 to address
172.16.100.1/24 - D. insert interface ge-0/0/2 unit 0 family inet address 172.16.10.1/24 before address
172.16.100.1/24
Answer: C
Explanation:
Explanation
https://www.juniper.net/documentation/en_US/junos/topics/reference/command-summary/rename.html
NEW QUESTION 18 
While working on a Junos device, you receive the message shown in the exhibit.
In this scenario, what should you do to stop the shutdown process?
In this scenario, what should you do to stop the shutdown process?
- A. Issue the request system halt in 0 command
- B. Issue the request system power-off in 0 command
- C. Issue the clear system commit command
- D. Issue the clear system reboot command
Answer: D
Explanation:
Explanation
https://www.juniper.net/documentation/en_US/junos/topics/reference/command-summary/clear-system-reboot.h
NEW QUESTION 19
Which command is used to validate the syntax of a configuration without applying the configuration?
- A. commit confirmed
- B. commit and-quit
- C. commit check
- D. commit synchronize
Answer: C
NEW QUESTION 20
Depending on the device type, Junos is built upon which two OS kernels? (Choose two.)
- A. FreeBSD
- B. NetBSD
- C. Linux
- D. OpenBSD
Answer: A,C
NEW QUESTION 21
What are two examples of transit traffic? (Choose two.)
- A. SFTP traffic that enters one interface and is destined for another interface on the local router
- B. SCP traffic that is destined for the router's loopback interface.
- C. SFTP traffic that enters and exits the same interface on the local router.
- D. SCP traffic that enters one interface and exits another interface on the local router.
Answer: A,B
NEW QUESTION 22
What does the output of the show route forwarding-table command display?
- A. The inactive entries in the Routing Engine's routing table
- B. The Routing Engine's forwarding table
- C. The Packet Forwarding Engine routing table
- D. The routing protocol databases in the Routing Engine
Answer: B
NEW QUESTION 23
You are considering to upgrade from 19.1R1 and want to ensure that only bug fixes are included. Which two software versions should you use in the current situation? Choose Two
- A. 19.1R1-S2
- B. 19.1R3
- C. 19.3R1-S1
- D. 19.3R2
Answer: A,C
NEW QUESTION 24
Which two statements describe the connection between control plane and the forwarding plane?
Choose Two
- A. A rate limiter is configured by default
- B. No rate limiter is configured by default
- C. Control traffic is preferred over the exception traffic during congestion
- D. Exception traffic is preferred over the control traffic during congestion
Answer: B,C
NEW QUESTION 25
Referring to the exhibit,
what happens when ping packets are sent to management interface address of the local router?
- A. The Ping packets are accepted
- B. The ping packets are silently discarded
- C. An ICMP unreachable message is returned
- D. An ICMP redirect message is returned
Answer: D
NEW QUESTION 26
Given the following configuration,
set system authentication-order [ tacplus ]
Which two statements are correct? (Choose two.)
- A. If the TACACS+ server is not available, the local user database is checked.
- B. If the TACACS+ server is available and rejects the username/password provided, the local password database is checked.
- C. If the TACACS+ server is available and rejects the username/password provided, the user is not allowed to access the device.
- D. If the TACACS+ server is not available, the user is not allowed to access the device.
Answer: A,D
NEW QUESTION 27
Which two types of traffic are processed by the Routing Engine (RE)?
- A. OSPF update messages
- B. time-to-live (TTL) expired messages
- C. IP packet with the IP Options field
- D. ICMP destination unreachable messages
Answer: B,D
NEW QUESTION 28 
Referring to the exhibit, what information is provided about the route to 192.168.47.0/24? (Choose two.)
- A. There are two next hops available to 192.168.47.0/24.
- B. There is a single next hop available to 192.168.47.0/24.
- C. There are two active routes to 192.168.47.0/24.
- D. There is a single active route to 192.168.47.0/24.
Answer: A,D
NEW QUESTION 29
Which command is used to replace the entire current configuration?
- A. load replace
- B. load override
- C. load patch
- D. load set
Answer: B
NEW QUESTION 30
Click the Exhibit button.
You configured the route filter shown in the exhibit.
In this scenario, which IP addresses would term-One accept?
- A. IP addresses that are part of the 172.35.0.0/16 network, but not IP addresses that are part of the
172.35.0.0/16 network itself. - B. IP addresses that are part of the 172.35.0.0/16 network only.
- C. IP addresses that are part of the 172.35.0.0/16 network and IP addresses that are in the subnets of 172.35.0.0/16 network.
- D. IP addresses that are part of the 172.35.0.0/16 network and IP addresses that are in the 172.35.0.0/16 and 172.36.0.0/16 subnets.
Answer: B
NEW QUESTION 31
What are two default password requirements on devices running Junos OS? (Choose two.)
- A. Passwords must be at least six characters in length.
- B. Passwords must contain at least one special character.
- C. An expiration date must be set.
- D. Alphanumeric characters classes must be used.
Answer: A,D
NEW QUESTION 32
Which two statements are true about the default behavior of Junos routing policies? (Choose two.)
- A. Routing policies can export active and inactive routes.
- B. Routing policies control the flow of routing information going to and from the routing table.
- C. Routing policies control the flow of routing information going to and from the forwarding table.
- D. Routing policies can export only active routes.
Answer: B,D
NEW QUESTION 33
Click the Exhibit button.
Referring to the exhibit, which action would synchronize the local router's clock with the NTP server?
- A. Configure the correct NTP trusted key using the net trusted-key <key-value> configuration command under the [edit system ntp] hierarchy.
- B. Issue the set date ntp operational command.
- C. Reboot the router.
- D. Configure the NTP server using the set boot-server 172.25.11.254 configuration command under the [edit system ntp] hierarchy.
Answer: D
NEW QUESTION 34
Click the Exhibit button.
You configured the route filter shown in the exhibit.
In this scenario, which IP addresses would term-One accept?
- A. IP addresses that are part of the 172.35.0.0/16 network and IP addresses that are in the subnets of 172.35.0.0/16 network.
- B. IP addresses that are part of the 172.35.0.0/16 network, but not IP addresses that are part of the
172.35.0.0/16 network itself. - C. IP addresses that are part of the 172.35.0.0/16 network only.
- D. IP addresses that are part of the 172.35.0.0/16 network and IP addresses that are in the 172.35.0.0/16 and 172.36.0.0/16 subnets.
Answer: A
NEW QUESTION 35
Exhibit:
Referring to the exhibit, which statement is true?
- A. Traps are allowed from 10.21.15.16
- B. Traps are allowed from 10.21.15.180
- C. Traps are sent to 10.21.15.16
- D. Traps are sent to 10.21.15.180
Answer: A
NEW QUESTION 36
Which statement is true about the orlongerroute-filter match type?
- A. All routes within the specified prefix that are longer or equal to the given prefix up to a defined acceptable prefix length are considered a match.
- B. All routes within the specified prefix that are longer than the given prefix up to a defined acceptable prefix length are considered a match.
- C. All routes within the specified prefix that are longer than the given prefix are considered a match.
- D. All routes within the specified prefix that are longer than or equal to the given prefix are considered a match.
Answer: D
NEW QUESTION 37
Referring to the exhibit,
which dynamic routing protocol would be used for this topology?
- A. OSPFv2
- B. RIPng
- C. IGMPv3
- D. RIP
Answer: B
NEW QUESTION 38
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