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Juniper JN0-102 Exam Practice Questions (P. 3)

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Question #21
What is the binary equivalent of 242.168.94.124?
  1. A
    11110011 10101000 01011110 01111100
  2. B
    11110010 10101010 01011110 01111100
  3. C
    11110010 10101000 01011110 01111100
  4. D
    11110010 10101000 01010110 01111100

Correct Answer:
C

Question #22
What is the last usable IP address in the 218.6.0.0/17 network?
  1. A
    218.6.125.254
  2. B
    218.6.126.254
  3. C
    218.6.127.254
  4. D
    218.6.128.254

Correct Answer:
C

Question #23
What is the network address for the 10.13.147.100/19 host?
  1. A
    10.13.128.0
  2. B
    10.13.147.0
  3. C
    10.13.0.0
  4. D
    10.13.100.0

Correct Answer:
A

Question #24
Which two prefixes would summarize the networks shown below? (Choose two.)
192.168.1.0/24
192.168.2.0/24
192.168.3.0/24
  1. A
    192.168.0.0/23
  2. B
    192.168.0.0/22
  3. C
    192.168.0.0/24
  4. D
    192.168.0.0/21

Correct Answer:
BD

Question #25
How many host addresses are available in the 172.27.0.0/28 network?
  1. A
    6
  2. B
    14
  3. C
    28
  4. D
    30

Correct Answer:
B

Question #26
What are three benefits of using IPv6? (Choose three.)
  1. A
    IPv6 supports a greater level of security by integrating features that were optional add-ons in IPv4.
  2. B
    IPv6 reduces administrative overhead using stateless address autoconfiguration for hosts.
  3. C
    IPv6 eliminates the need for private to public NAT using a large address pool.
  4. D
    IPv6 provides backward compatibility with IPv4 using the Next Header field.
  5. E
    IPv6 represents large IP addresses using dotted decimal notation.

Correct Answer:
ABC

Question #27
Which statement is correct about the forwarding table?
  1. A
    The forwarding table is stored only on the PFE.
  2. B
    The forwarding table contains all known routes.
  3. C
    The forwarding table is stored on both the RE and PFE.
  4. D
    The forwarding table is stored only on the RE.

Correct Answer:
C

Question #28
Which statement describes exception traffic?
  1. A
    Exception traffic must be sent to the PFE for processing.
  2. B
    Exception traffic enters one ingress port and is sent out multiple egress ports.
  3. C
    Exception traffic is rate-limited on the internal link to prevent DoS attacks.
  4. D
    Exception traffic is processed after forwarding traffic when congestion exists.

Correct Answer:
C

Question #29
What are two benefits of the modular design of the Junos OS? (Choose two.)
  1. A
    Each module uses application-specific integrated circuits (ASICs).
  2. B
    Each module runs in its own protected memory space.
  3. C
    Each module can be individually restarted.
  4. D
    Each module is supported across all Junos platforms.

Correct Answer:
BC

Question #30
Which statement describes the PFE?
  1. A
    The PFE controls the RE by providing Layer 2 and Layer 3 forwarding tables.
  2. B
    The PFE implements advanced services such as policing, stateless firewall filtering, and class of service.
  3. C
    The PFE sends traffic to the RE for systematic packet forwarding.
  4. D
    The PFE receives hardware and environmental status messages from the RE.

Correct Answer:
B

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