Juniper
Exam Name: Juniper DX, Specialist (JNCIS-DX)
Exam code: JN0-730
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Question:
1
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What is the initial default username and password for
all ScreenOS devices?
A. administrator/password
B. root/password
C. netscreen/netscreen
D. admin/netscreen1
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Answer: D
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Question:
2
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Which operating system is used on a NetScreen device?
A. IOS
B. Junos
C. FreeBSD
D. ScreenOS
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Answer: A
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Question:
3
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When is NAT used?
A. for Layer 2 switching
B. for MPLS VPNs
C. to translate between IP addresses
D. for secure tunnels
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Answer: B
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Question:
4
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What is a zone used for?
A. to bundle interfaces together for redundancy
B. to bundle interfaces sharing identical security
requirements
C. to provide a tunneled connection across a network
D. to protect against spam attacks
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Answer: D
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Question:
5
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Which two devices run ScreenOS software? (Choose two.)
A. NetScreen-5200
B. NetScreen-5400
C. SRX240
D. MX480
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Answer: C, D
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Question:
6
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Which security feature provides secure tunnels across
a public network?
A. dynamic routing
B. Web filtering
C. IPsec
D. firewall filters
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Answer: A
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Question:
7
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By default, from which hardware component is the
startup copy of the ScreenOS loaded?
A. ROM
B. NVRAM
C. TFTP server
D. Internal Flash
E. PCMCIA Card
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Answer: D
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Question:
8
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Using the CLI, if the startup copy of the ScreenOS on
a NS-204 is corrupted, from which two (2) alternate locations can an image be
loaded?
A. ROM
B. TFTP server
C. Internal Flash
D. PCMCIA Card
E. Compact Flash Card
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Answer: B, E
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Question:
9
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By default, from which hardware component is the
startup copy of the ScreenOS loaded?
A. NVRAM
B. TFTP server
C. internal flash
D. PCMCIA card
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Answer: C
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Question:
10
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Using the CLI, if the startup copy of the ScreenOS is
corrupted, from which location can an image be loaded?
A. TFTP server
B. internal flash
C. PCMCIA card
D. Compact Flash Card
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Answer: A
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Question:
11
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In the packet flow decision process, which pair
identifies interzone traffic?
A. source and destination MAC
B. source and destination interface
C. source and destination TCP port
D. source and destination IP address
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Answer: B
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Question:
12
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A ScreenOS firewall has one interface in the user zone
and one interface in the servers zone. Both interfaces are addressed and
active. The configured policy allows user traffic from the user zone to the FTP
server in the servers zone, but the traffic does not cross the firewall from
the client to the server. What is the most likely problem with the firewall?
A. The ScreenOS firewall has no physical connection to
the FTP server.
B. The ALG option on the ScreenOS firewall has not
been enabled for FTP traffic.
C. The ScreenOS firewall does not have a route defined
to the FTP server's subnet.
D. The ScreenOS firewall does not have a route defined
to the FTP client's subnet.
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Answer: C
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