Junos Associate (JNCIA-Junos) Topic 1
Question #: 45
Topic #: 1
Click the Exhibit button.
Referring the exhibit, what does the highlighted number indicate?
A. hop count is 5
B. cost is 5
C. metric is 5
D. route preference is 5
Selected Answer: D
Question #: 34
Topic #: 1
Click the Exhibit button.
Referring to the exhibit, where are the configuration backup files stored?
A. Files are stored to the SCP site and the FTP site in a round-robin manner.
B. Files are stored to the SCP site and the FTP site simultaneously.
C. Files are stored to any site as selected by Junos internally.
D. Files are stored to the SCP site but if the transfer fails, then to the FTP site.
Selected Answer: D
Question #: 33
Topic #: 1
Your router has a route to the 10.1.1.0/24 network with a next hop of rjct.
In this scenario, which action will your router perform when traffic destined to the 10.1.1.0/24 network is received?
A. The traffic will be discarded and an ICMP unreachable message will be sent to the destination of the traffic.
B. The traffic will be silently discarded.
C. The traffic will be redirected using a default route.
D. The traffic will be discarded and an ICMP unreachable message will be sent to the source of the traffic.
Selected Answer: D
Question #: 32
Topic #: 1
How many login classes are assignable to a user account?
A. 2
B. 1
C. 4
D. 3
Selected Answer: B
Question #: 9
Topic #: 1
In the Junos OS, which keyboard shortcut allows you to move to the start of the line?
A. Ctrl+e
B. Ctrl+a
C. Ctrl+k
D. Ctrl+w
Selected Answer: C
Question #: 67
Topic #: 1
You issue the monitor traffic interface ge-0/0/0 command.
What will this command accomplish?
A. It displays a packet capture on interface ge-0/0/0.
B. It displays the MTU and MAC address for ge-0/0/0.
C. It displays real-time statistics for interface ge-0/0/0.
D. It displays an operational summary of ge-0/0/0.
Selected Answer: C
Question #: 42
Topic #: 1
You have completed the initial configuration of your new Junos device. You want to be able to load this configuration at a later time.
Which action enables you to perform this task?
A. Enter the request system reboot command.
B. Enter the load factory-default command.
C. Enter the request system configuration rescue save command.
D. Enter the request system zeroize command.
Selected Answer: C
Question #: 31
Topic #: 1
Which process in the Junos OS is responsible for maintaining routing protocols and tables?
A. mgd
B. chassisd
C. dcd
D. rpd
Selected Answer: D
Question #: 22
Topic #: 1
Click the Exhibit button.
How is traffic, sourced from 10.0.0.0/8, treated by the firewall filter shown in the exhibit?
A. logged with no further action
B. logged and accepted
C. logged and rejected
D. logged and discarded
Selected Answer: C
Question #: 19
Topic #: 1
Which two statements about route preference in Junos are correct? (Choose two.)
A. Both direct and static routes have the same preference.
B. Both direct and local routes have the same preference.
C. Both OSPF internal and OSPF AS external routes have the same preference.
D. Both EBGP and IBGP routes have the same preference.
Selected Answer: BD
Question #: 15
Topic #: 1
Which two statements are correct about firewall filters? (Choose two.)
A. “Discard” is the default action of packets that are not explicitly allowed.
B. There can be only one firewall filter.
C. There can be multiple firewall filters.
D. “Accept” is the default action of packets that are not explicitly allowed.
Selected Answer: AC
Question #: 14
Topic #: 1
Which protocol is responsible for learning an IPv4 neighbor’s MAC address?
A. Neighbor Discovery Protocol (NDP)
B. Address Resolution Protocol (ARP)
C. Media Access Control Security (MACsec)
D. Network Address Translation (NAT)
Selected Answer: B
Question #: 88
Topic #: 1
Click the Exhibit button.
You need to configure interface ge-0/1/2 with an IP address of 172.16.100.1/24. You have accidentally entered 172.16.101.1/24 as shown in the exhibit.
Which command should you issue to solve the problem?
A. [edit]
user@router# rollback rescue
B. [edit]
user@router# rollback 1
C. [edit]
user@router# rollback 0
D. [edit]
user@router# rollback 2
Selected Answer: A
Question #: 20
Topic #: 1
What are two link-state routing protocols? (Choose two.)
A. RIP
B. IS-IS
C. BGP
D. OSPF
Selected Answer: B
Question #: 17
Topic #: 1
What information does the forwarding table require so that the device forwards traffic? (Choose three.)
A. BGP local preference value
B. next hop IP address
C. outgoing interface name
D. OSPF metric value
E. next hop MAC address
Selected Answer: B
Question #: 16
Topic #: 1
Which Junos OS component is responsible for maintaining the forwarding table?
A. Packet Forwarding Engine
B. chassis control daemon
C. Routing Engine
D. management daemon
Selected Answer: C
Question #: 52
Topic #: 1
Which two actions happen when multiple users issue the configure exclusive command to enter configuration mode on a Junos device? (Choose two.)
A. Other users can enter configuration mode.
B. The candidate configuration is locked.
C. Other users cannot enter configuration mode.
D. The candidate configuration is unlocked.
Selected Answer: AB
Question #: 1
Topic #: 1
Which two statements are correct regarding Layer 2 network switches? (Choose two.)
A. Switches flood broadcast traffic.
B. Switches are susceptible to traffic loops.
C. Switches do not learn MAC addresses.
D. Switches create a single collision domain.
Selected Answer: AB
Question #: 62
Topic #: 1
Which two statements are correct about MAC addresses? (Choose two.)
A. Switches use the Address Resolution Protocol table to assign MAC addresses to network interface cards in the forwarding frame.
B. Switches use the destination MAC address to identify the next-hop destination and to change the destination MAC address in the frame.
C. The source and destination MAC addresses always remains static to the final destination.
D. The MAC address identifies the physical hardware.
Selected Answer: CD
Question #: 74
Topic #: 1
Click the Exhibit button.
Referring to the exhibit, which routing configuration is required for these two users to access the remote server?
A. Users and the server require a default gateway.
B. Trunk ports must be enabled on the switch.
C. A routing protocol must be enabled on the router.
D. Users must connect directly to the router.
Selected Answer: A
Question #: 55
Topic #: 1
Which two statements are true about the candidate configuration? (Choose two.)
A. You can discard changes before committing them.
B. You can deploy multiple changes at the same time.
C. Multiple users cannot modify the same candidate configuration.
D. Candidate configuration changes are automatically applied.
Selected Answer: AB
Question #: 12
Topic #: 1
Which two statements describe the result when you enter ? at the command-line prompt? (Choose two.)
A. It displays help about a text string contained in a statement.
B. It lists the available commands and options.
C. It displays summary information about the commands and options.
D. It lists tips for the help menu.
Selected Answer: B
Question #: 7
Topic #: 1
What are two methods for navigating to configuration mode from an operational mode prompt? (Choose two.)
A. Use the quit command.
B. Use the configure command.
C. Use the exit command.
D. Use the edit command.
Selected Answer: BD
Question #: 92
Topic #: 1
Which two fields are you required to enter when you create a new user account? (Choose two.)
A. login class
B. username
C. user ID
D. full name
Selected Answer: D
Question #: 84
Topic #: 1
What is the maximum number of rollback configuration files that the Junos OS will store?
A. 25
B. 65
C. 50
D. 19
Selected Answer: C
Question #: 4
Topic #: 1
You are trying to diagnose packet loss at interface ge-0/0/3.
In this scenario, which command would help you view error statistics in real time?
A. monitor interface ge-0/0/3
B. show interface ge-0/0/3
C. show interface terse
D. monitor interface traffic
Selected Answer: C
Question #: 3
Topic #: 1
Click the Exhibit button.
You are unable to remotely access your Juniper device using the CLI.
Referring to the exhibit, which command would you add to the existing configuration to enable remote CLI access?
A. set system services ssh
B. load factory-default
C. set system login idle-timeout 20
D. set system root-authentication plain-text-password
Selected Answer: C
Question #: 2
Topic #: 1
What are two attributes of the UDP protocol? (Choose two.)
A. UDP is best effort.
B. UDP is always slower than TCP.
C. UDP is connectionless.
D. UDP is more reliable than TCP.
Selected Answer: A
Question #: 26
Topic #: 1
You configured your system authentication order using the set authentication-order tacplus radius password command.
Which statement is correct in this scenario?
A. A rejection by TACACS+ will prevent a login and bypass the other two authentication methods.
B. The password authentication will only be used if the TACACS+ and RADIUS servers fail to respond.
C. All authentication methods are used with the most restrictive permission set used.
D. The password authentication method is evaluated if the TACACS+ and RADIUS servers respond with a reject message.
Selected Answer: B
Question #: 46
Topic #: 1
Click the Exhibit button.
Referring to the exhibit, OSPF has three export policies that match different static route prefixes. The 10.10.10.0/24 static route does not match any terms in the policy1 routing policy.
What happens next in this scenario?
A. The static route is rejected by the default routing policy.
B. The static route is rejected by the policy1 routing policy.
C. The static route is evaluated by the policy2 routing policy.
D. The static route is evaluated by the policy3 routing policy.
Selected Answer: C
Question #: 28
Topic #: 1
You have just increased the MTU size of interface ge-0/0/0 and committed the configuration.
Which command would help you identify the applied MTU change?
A. monitor traffic interface ge-0/0/0
B. show interfaces ge-0/0/0
C. show interfaces ge-0/0/0 terse
D. monitor interface ge-0/0/0
Selected Answer: B
Question #: 5
Topic #: 1
Which prompt indicates that you are using configuration mode?
A. >
B. $
C. #
D. %
Selected Answer: C
