Regenerate JN0-102 Testing Bible 2021
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NEW QUESTION 1
Which three statements are true regarding the candidate configuration? (Choose three.)
- A. The candidate configuration is a temporary configuration that might become the active configuration.
- B. A candidate configuration is initially populated with the configuration currently active on the system.
- C. Changes to the candidate configuration take effect immediately.
- D. The candidate configuration becomes the active configuration after a system reboot.
- E. The configure private command allows concurrent editing of a candidate configuration by multiple users.
Answer: ABE
NEW QUESTION 2
You are modifying the default route preference under the [edit protocols] hierarchy.
In which two routing information sources can you change the default preference value? (Choose two.)
- A. local
- B. OSPF
- C. direct
- D. BGP
Answer: BD
NEW QUESTION 3
Which three protocols use UDP as a transport protocol by default? (Choose three.)
- A. HTTP
- B. TFTP
- C. DNS
- D. SNMP
- E. SMTP
Answer: BCD
NEW QUESTION 4
-- Exhibit --
user@router> show route protocol static
inet.0: 12 destinations, 12 routes (12 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
192.168.1.128/27 *[Static/5] 00:03:13
>to 10.20.106.10 via fe-0/0/5.1 192.168.1.144/29 *[Static/5] 00:03:13
>to 10.20.14.131 via ge-0/0/0.0 192.168.1.192/27 *[Static/5] 00:03:13
>to 10.18.1.1 via ge-0/0/1.0
192.168.1.128/28 *[Static/5] 00:01:06
>to 10.20.14.130 via ge-0/0/0.0
-- Exhibit --
Given the routing entries shown in the exhibit, which next-hop IP address will be used for the destination IP address 192.168.1.159? (Assume that only static routes are available for the destination.)
- A. 10.20.14.130
- B. 10.18.1.1
- C. 10.20.14.131
- D. 10.20.106.10
Answer: D
NEW QUESTION 5
What is an advantage of dynamic routing?
- A. Unlike static routing, dynamic routing provides redundant IP addresses for end-user devices.
- B. Unlike static routing, dynamic routing requires no initial user configuration.
- C. Dynamic routing can provide increased network availability when compared to static routing.
- D. Dynamic routing provides DNS services along with IP connectivity; static routing does not.
Answer: C
NEW QUESTION 6
You suspect a duplicate MAC address on a subnet. You want to display the MAC, errors, and statistics of the ge-0/0/0 interface.
Which command will accomplish this task?
- A. show arp
- B. show Ethernet-switching table
- C. show interface ge-0/0/0 extensive
- D. show interface terse
Answer: C
NEW QUESTION 7
Which information would you find using the CLI help function? (Choose two.)
- A. message of the day
- B. tip of the day
- C. explanation for specific system log error messages
- D. explanation for specific traceoptions log messages
Answer: BC
NEW QUESTION 8
Which statement is true about the forwarding plane?
- A. It uses ASICs for increased performance.
- B. It is the intelligence of the platform.
- C. It maintains the routing tables.
- D. It is based on an x86 architecture.
Answer: A
NEW QUESTION 9
Which directory does the Junos OS use to store syslog information by default?
- A. /var/messages
- B. /var/syslog
- C. /var/tmp
- D. /var/log
Answer: D
NEW QUESTION 10
Which command do you use as a valid way to view the PICs within a router as well as the PICs' serial numbers?
- A. show chassis hardware
- B. show chassis interfaces
- C. show chassis pic
- D. show chassis inventory
Answer: A
NEW QUESTION 11
You are asked to change the cable on interface ge-2/1/3. Which statement is correct?
- A. The cable is found on FPC 1, slot 3, and port 2.
- B. The cable is found on slot 1, port 2, and FPC 3.
- C. The cable is found on port 3, FPC 2, and slot 1.
- D. The cable is found on FPC 1, slot 2, and port 3.
Answer: C
NEW QUESTION 12
Which CLI mode allows you to make configuration changes?
- A. enable mode
- B. configuration mode
- C. operational mode
- D. active mode
Answer: B
NEW QUESTION 13
Which command would initiate a loopback on a Gigabit Ethernet interface ge-0/0/0?
- A. # set interfaces ge-0/0/0 unit 0 loopback
- B. # set interfaces ge-0/0/0 gigether-options loopback
- C. > set interfaces ge-0/0/0 loopback
- D. > loopback ge-0/0/0
Answer: B
NEW QUESTION 14
What represents the decimal equivalence of 10101100 00011111 11001001 11000101?
- A. 172.28.187.189
- B. 172.31.201.197
- C. 172.30.231.182
- D. 172.19.151.107
Answer: B
NEW QUESTION 15
Which keystroke combination allows users to move the cursor to the beginning of the command line without deleting text?
- A. Ctrl + w
- B. Ctrl + a
- C. Ctrl + b
- D. Ctrl + u
Answer: B
NEW QUESTION 16
-- Exhibit --
user@router# run show route /24
inet.0: 142 destinations, 142 routes (141 active, 0 holddown, 1 hidden)
+ = Active Route, - = Last Active, * = Both
/24 *[OSPF/10] 04:10:20
>to 172.25.213.11 via ge-1/0/1.0 to 172.25.213.23 via ge-1/0/2.0
-- Exhibit --
In the exhibit, what does the (>) symbol indicate?
- A. There is a software issue with ge-1/0/1.0 interface.
- B. There is a hardware issue with ge-1/0/1.0 interface.
- C. The next hop of 172.25.213.11 is selected.
- D. The next hop of 172.25.213.11 is not resolvable.
Answer: C
NEW QUESTION 17
What are two purposes of a forwarding class? (Choose two.)
- A. to identify traffic that should be dropped
- B. to classify traffic
- C. to identify traffic that should receive common treatment
- D. to assign traffic to output queues
Answer: CD
NEW QUESTION 18
Which two statements are true about optical networks? (Choose two.)
- A. SONET and SDH both use time-division multiplexing.
- B. An optical transport network system uses time-division multiplexing.
- C. SONET and SDH both use wavelength-division multiplexing.
- D. An optical transport network system uses wavelength-division multiplexing.
Answer: AD
NEW QUESTION 19
Which user authentication method is supported by the Junos OS as a last resort alternative?
- A. TACACS+
- B. RADIUS
- C. local user database
- D. enable password
Answer: C
NEW QUESTION 20
-- Exhibit --
[edit policy-options policy-statement my-policy] user@router# show
term reject { then reject;
}
term match { from { protocolbgp;
route-filter 10.10.10.0/24 exact;
}
}
-- Exhibit --
Referring to the exhibit, you must move the match term above the reject term.
Which command would accomplish this task?
- A. set term match from policy reject
- B. up 1 copy policy-statement my-policy term match to term before-reject
- C. activate term match to policy
- D. insert term match before term reject
Answer: D
NEW QUESTION 21
How can you verify that you have correctly configured SSH access to your Junos device?
- A. user@router# show system services
- B. user@router> show configuration services
- C. user@router# show configuration system services
- D. user@router# show system login
Answer: A
NEW QUESTION 22
You are configuring a new BGP neighbor and want to view the configuration of interface ge-0/0/0.42.
Which command do you use to achieve this result?
- A. [edit protocols bgp group external]user@router# set interfaces ge-0/0/0.42
- B. [edit protocols bgp group external]user@router# edit show interfaces ge-0/0/0.42
- C. [edit protocols bgp group external]user@router# top show interfaces ge-0/0/0.42
- D. [edit protocols bgp group external]user@router# show interfaces ge-0/0/0.42
Answer: C
NEW QUESTION 23
-- Exhibit --
[edit firewall family inet filter input-filter] user@router# show
term my-policy { from {
source-address { 151.43.62.0/24;
}
}
then { count;
}
}
term else { then { discard;
}
}
-- Exhibit --
Which two tasks are accomplished by the firewall filter shown in the exhibit? (Choose two.)
- A. Traffic matching the my-policy term will be counted and accepted.
- B. Traffic matching the my-policy term will be counted and discarded.
- C. Traffic not matching the my-policy term will be discarded.
- D. Traffic not matching the my-policy term will be accepted.
Answer: AC
NEW QUESTION 24
Which two loopback types are supported for serial interfaces on Juniper devices? (Choose two.)
- A. Local
- B. Far End
- C. Remote
- D. Bidirectional
Answer: AC
Explanation:
For serial interfaces Juniper devices support the local and the remote loopback types.
References: http://www.juniper.net/documentation/en_US/junos12.3/topics/usage-guidelines/interfaces-interface-diagnostics.html
NEW QUESTION 25
After factory-defaults have been loaded, which two syslog files will be present in the configuration?
- A. system and chassis
- B. syslog-messages and NVRAM
- C. messages and interactive-commands
- D. authorization and events
Answer: C
Explanation:
Factory default syslog files include messages and interactive-commands.
Example: The following factory default configuration file is for a Juniper EX3200 switch: system {
syslog { user * {
any emergency;
}
file messages { any notice; authorization info;
}
file interactive-commands { interactive-commands any;
}
}
etc,
References: http://www.juniper.net/documentation/en_US/junos14.1/topics/reference/general/ex3200- default-configuration.html
NEW QUESTION 26
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