[PDF and VCE] Free JN0-102 PDF Real Exam Questions and Answers Free Download
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Question 1:
Which simplified IPv6 address is the same as the IP address 2001:0000:1000:0000:0000:cbff:0020:0001/64?
A. 2001::1::cbff:2:0001/64
B. 2001::1000::cbff:20:1/64
C. 2001:0:1000::cbff:20:1/64
D. 2001:0:1:0:0:cbff:2:1/64
Correct Answer: C
Question 2:
Which layer in the OSI model is responsible for translating frames into bits?
A. Application Layer
B. Presentation Layer
C. Data Link Layer
D. Physical Layer
Correct Answer: C
Question 3:
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.
Correct Answer: AD
Question 4:
Which statement describes exception traffic?
A. Exception traffic must be sent to the PFE for processing.
B. Exception traffic enters one ingress port and is sent out multiple egress ports.
C. Exception traffic is rate-limited on the internal link to prevent DoS attacks.
D. Exception traffic is processed after forwarding traffic when congestion exists.
Correct Answer: C
Question 5:
What are two benefits of the modular design of the Junos OS? (Choose two.)
A. Each module uses application-specific integrated circuits (ASICs).
B. Each module runs in its own protected memory space.
C. Each module can be individually restarted.
D. Each module is supported across all Junos platforms.
Correct Answer: BC
Question 6:
What is the central processing component of the forwarding plane?
A. PFE
B. RE
C. Junos OS
D. forwarding table
Correct Answer: A
Question 7:
Which command is used to load the rescue configuration?
A. load override rescue
B. rollback rescue
C. load replace rescue-configuration
D. rollback 49
Correct Answer: B
Question 8:
Which two external authentication servers are supported for administrative access to a Junos device? (Choose two.)
A. RADIUS
B. LDAP
C. ACE
D. TACACS
Correct Answer: AD
Question 9:
Which command displays only the interfaces that are operationally and administratively up?
A. show interfaces terse | match up
B. show interfaces terse | match down
C. show interfaces terse | except up
D. show interfaces terse | except down
Correct Answer: D
Question 10:
To which directory does the Junos OS write traceoptions files?
A. /var/tmp/
B. /var/
C. /var/log/
D. /var/home//
Correct Answer: C
Question 11:
Which command would you use to view interface usage details in real time?
A. show interfaces terse
B. show interfaces extensive
C. monitor interface traffic
D. monitor traffic interface
Correct Answer: C
Question 12:
What are two default routing policies on Junos devices? (Choose two.)
A. The BGP import policy accepts all BGP routes.
B. The BGP export policy rejects all active BGP routes.
C. The OSPF import policy accepts all OSPF routes.
D. The OSPF export policy accepts all active OSPF routes.
Correct Answer: AC
Question 13:
What is the purpose of unicast reverse path forwarding?
A. to validate packet receipt on interfaces where the traffic should be received
B. to forward packets out the interfaces where the traffic should be received
C. to forward packets out the interfaces where the traffic should be sent
D. to validate packet receipt on interfaces where the traffic should be sent
Correct Answer: A
Question 14:
Which command will apply a policy to redistribute static routes into OSPF?
A. set protocols ospf import static-routes
B. set protocols ospf export static-routes
C. set routing-options static defaults readvertise
D. set routing-options static route 0.0.0.0/0 readvertise
Correct Answer: B
Question 15:
Which command do you use to navigate to [edit interfaces]?
A. cd interfaces
B. dir edit interfaces
C. edit interfaces
D. interfaces
Correct Answer: C
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