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Juniper JN0-360 Exam Practice Questions (P. 4)

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Question #31
You are asked to redistribute routes into OSPF.
Which action accomplishes this task?
  1. A
    Create a redistribution policy and apply it as an export policy under the [edit protocols ospf area] hierarchy.
  2. B
    Create a redistribution policy and apply it as an import policy in the [edit protocols ospf] hierarchy.
  3. C
    Create a redistribution policy and apply it as an import or an export policy in the [edit protocols ospf] hierarchy.
  4. D
    Create a redistribution policy and apply it as an export policy in the [edit protocols ospf] hierarchy.

Correct Answer:
D

Question #32
You are configuring OSPF on a Junos device; however, you have not configured a router ID.
What is the default behavior in this situation?
  1. A
    If the loopback is configured with a 127/8 address, it will be used.
  2. B
    If the loopback is not configured, it will use the interface with the highest IP address.
  3. C
    If the loopback is configured and does not have a usable address, the IP address associated with the first hardware interface is used.
  4. D
    If you configure a dedicated management address and include that interface in OSPF, it will be used as the router ID.

Correct Answer:
C

Question #33
Which two statements correctly describe IS-IS adjacencies? (Choose two.)
  1. A
    Level 1 adjacencies can form in the same (intra) area only.
  2. B
    Level 2 adjacencies are formed between (inter) areas only.
  3. C
    Level 2 adjacencies can be established either interarea or intra-area.
  4. D
    Level 2 adjacencies can form within the same (intra) area only.

Correct Answer:
AC

Question #34
Which IS-IS PDU is used to request a retransmission of a missing link-state packet?
  1. A
    the complete sequence number PDU
  2. B
    the partial sequence number PDU
  3. C
    a hello PDU with a request PDU TLV specifying the missing LSP
  4. D
    a hello PDU with a refresh PDU TLV requesting all LSPs

Correct Answer:
B

Question #35
Which statement is true regarding the IS-IS designated intermediate system (DIS)?
  1. A
    The DIS function is used only on broadcast or multi-access networks.
  2. B
    The DIS function is used on both broadcast and point-to-point link types.
  3. C
    On a broadcast network, adjacencies are formed only between the non-DIS nodes and the DIS to help reduce adjacency overhead.
  4. D
    IS-IS supports a backup DIS mechanism to provide rapid failover in the event of a DIS failure.

Correct Answer:
A

Question #36
Which three reasons would account for this issue? (Choose three.)
  1. A
    A lack of or a malformed ISO network entity title (NET) on the loopback interface would cause this issue.
  2. B
    The interface MTU might be less than 1492.
  3. C
    The IS-IS protocol on the loopback interface has not been enabled.
  4. D
    The area IDs might be matched and should be set differently.
  5. E
    An ISO NET might not be configured on the physical interface.

Correct Answer:
ABC

Question #37
Which three statements are true regarding the IS-IS link-state database (LSDB)? (Choose three.)
  1. A
    An L1 router has a single database reflecting the connectivity of its area.
  2. B
    An L1 router often relies on a default route generated by attached routers to reach interarea destinations.
  3. C
    The Level 2 database contains only backbone area routes unless route leaking is configured.
  4. D
    Route leaking can be used to optimize Level 2 to Level 1 routing.
  5. E
    An attached router has at least two LSDBs: one for each Level 1 area and a single LSDB for the Level 2 backbone.

Correct Answer:
ABE

Question #38
Which PDU type is sent by an IS-IS router when it detects that its link-state database is out of date?
  1. A
    hello
  2. B
    link state
  3. C
    complete sequence number
  4. D
    partial sequence number

Correct Answer:
D

Question #39
What are two similarities between OSPF and IS-IS? (Choose two.)
  1. A
    Both use hello packets to form and maintain adjacencies.
  2. B
    Both use the Dijkstra algorithm to construct a shortest-path tree.
  3. C
    Both elect a designated router and a backup designated router.
  4. D
    Both have a built-in mechanism to provide address summarization between areas.

Correct Answer:
AB

Question #40
Which three statements correctly describe IBGP and EBGP interaction? (Choose three.)
  1. A
    IBGP is used within an AS, whereas EBGP is used between two different ASs.
  2. B
    EBGP peering is normally loopback-based to provide tolerance for interface or link failures.
  3. C
    By default, EBGP updates the next-hop attribute, whereas IBGP does not.
  4. D
    IBGP speakers can re-advertise IBGP-learned or EBGP-learned routes to other IBGP speakers.
  5. E
    EBGP speakers can re-advertise IBGP-learned or EBGP-learned routes to other EBGP speakers.

Correct Answer:
ACE

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