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Question No.1
Which two statements are true about optical networks? (Choose two.)
-
SONET and SDH both use time-division multiplexing.
-
An optical transport network system uses time-division multiplexing.
-
SONET and SDH both use wavelength-division multiplexing.
-
An optical transport network system uses wavelength-division multiplexing.
Correct Answer: AD
Question No.2
Why is IPv6 packet processing more effective than IPv4 packet processing?
-
fixed header size
-
smaller header size
-
fewer header fields
-
variable header size
Correct Answer: A
Question No.3
What is the central processing component of the forwarding plane?
-
PFE
-
RE
-
Junos OS
-
forwarding table
Correct Answer: A
Question No.4
You are asked to change the cable on interface ge-0/2/1. Which statement is correct?
-
The cable is found on slot 2, port 0, and FPC 1.
-
The cable is found on FPC 0, slot 1, and port 2.
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The cable is found on port 1, slot 0, and FPC 2.
-
The cable is found on slot 2, port 1, and FPC 0.
Correct Answer: D
Question No.5
What are two functions of the RE? (Choose two).
-
to maintain routing tables
-
to forward traffic toward its destination
-
to manage the PFE
-
to implement various services such as policing, stateless firewall filtering, and class of service
Correct Answer: AC
Question No.6
Exhibit
[edit]
user@router# show | compare [edit protocols ospf area 0.0.0.0]
interface ge-0/0/0.0 { disable;
}
[edit protocols ospf] area 0.0.0.0 { … }
area 0.0.0.1 {
interface ge-0/0/0.0;
}
Exhibit
Referring to the exhibit, what are two differences between the active and candidate configurations? (Choose two.)
-
The ge-0/0/0 interface was added to the candidate configuration.
-
Area 0 was added to the active configuration.
-
Area 1 was added to the candidate configuration.
-
The ge-0/0/0 interface was added to the active configuration.
Correct Answer: AC
Question No.7
Which statement is correct regarding IPv6 addresses?
-
An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.
-
An IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections.
-
An IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections.
-
An IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.
Correct Answer: A
Question No.8
What are three characteristics of UDP? (Choose three.)
-
UDP is faster than TCP.
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UDP operates at the Transport Layer.
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UDP is connection-oriented.
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UDP data is sent best-effort.
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UDP is more reliable than TCP.
Correct Answer: ABD
Question No.9
Exhibit
[edit system syslog] user@router# show host 152.170.10.10 {
any warning;
}
file changes { change-log info;
}
Exhibit
Referring to the exhibit, which two statements are true? (Choose two.)
-
Any warning message will be sent to the 152.170.10.10 host.
-
A warning message will be logged when the 152.170.10.10 host logs in.
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Changes to the device#39;s internal temperatures will be logged.
-
Changes to the configuration will be logged.
Correct Answer: AD
Question No.10
At which layer of the OSI model does error checking occur with IPv6?
-
Layer 2
-
Layer 3
-
Layer 4
-
Layer 7
Correct Answer: C
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