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Which statement is true about using an OSPF import policy?

Which statement is true about using an OSPF import policy?

PrepAway - Latest Free Exam Questions & Answers

A.
Applying this policy will cause a commit failure.

B.
Import policies are not allowed in OSPF, applying the policy will do nothing.

C.
Applying an import policy to OSPF may block normal LSA flooding.

D.
Import policies are allowed only for external route types.

5 Comments on “Which statement is true about using an OSPF import policy?

  1. xeo says:

    D
    OSPF does offer a limited import-policy functionality. You can use the import statement at the [edit protocols ospf] configuration hierarchy to block external routes—those learned from Type 5 and Type 7 LSAs—from being installed in the routing table. This import policy does not, however, prevent LSAs from being flooded. We strongly discourage the use of OSPF import policy because of the potential for unknowingly discarding traffic.




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  2. Laszlo Demcsak says:

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    New JNCIP-ENT JN0-647 Exam Questions Updated Recently (15/Nov/2017):

    NEW QUESTION 3
    Which two statements are true about PIM source-specific multicast (SSM)? (Choose two.)

    A. The receiver DR builds a source-base tree to the RP.
    B. S,G is always used.
    C. A Different group address must be used by each source.
    D. IGMPv3 is required.

    Answer: BD

    NEW QUESTION 4
    Which two statements about MVRP are correct? (Choose two.)

    A. MVRP monitors interfaces using VSTP and dynamically creates VLANs as necessary.
    B. MVRP PDUs are sent to other switches as periodic intervals.
    C. MVRP can propagate dynamic VLANs created on one switch to another switch.
    D. MVRP is enabled by adding trunk ports under the [edit protocols mvrp] hierarchy.

    Answer: BD

    NEW QUESTION 5
    Which three databases are used by the Dijkstra algorithm? (Choose three.)

    A. Tree database
    B. Link State database
    C. Candidate database
    D. MAC database
    E. Configuration database

    Answer: ABC

    NEW QUESTION 6
    A customer needs to pass Layer 2 protocols between sites. Which protocol or standard would be required to implement connectivity on EX4300, EX3400, and EX2300 devices?

    A. Q-in-Q
    B. IGMP
    C. VPLS
    D. OSPF

    Answer: A

    NEW QUESTION 7
    Which statement is correct about MSTP?

    A. MSTP enables mapping multiple independent spanning-tree instances onto one physical topology.
    B. MSTP enables dynamic discovery of Layer 2 neighbors.
    C. MSTP dynamically manages VLAN registration in a LAN.
    D. MSTP uses stacked VLAN tags to extend a Layer 2 Ethernet connection between multiple sites.

    Answer: A

    NEW QUESTION 8
    You configured static mode power management on an EX4300 to provide PoE power to telephone and access point equipment. Which statement is correct regarding the PoE power budget?

    A. Power is budgeted to devices on a first come, first served basis as devices are connected.
    B. The power budgeted will be based on the device class connected to each port.
    C. Power is budgeted to a port even if no device is connected to the port.
    D. The power budgeted to ports will adjust to how much power a device actually uses.

    Answer: C

    NEW QUESTION 9
    What information must you gather from the satellite device to provision a Junos Fusion Enterprise deployment on the aggregation device? (Choose two.)

    A. MAS address
    B. Serial number
    C. Software version
    D. Model number

    Answer: AB

    NEW QUESTION 10
    You are asked to merge a RIP network with your OSPF network. As a first step, you establish connectivity between the RIP network and the OSPF network. The RIP network connects to an NSSA area. Which two statements are true in this scenario? (Choose two.)

    A. To share RIP routes with the OSPF network, an export policy will be required on the ABR.
    B. To share RIP routes with the OSPF network, an export policy will be required on the ASBR.
    C. By default, external OSPF routes have a higher route preference than RIP routes.
    D. Be default, RIP routes have a higher route preference than external OSPF routes.

    Answer: BD

    NEW QUESTION 11
    You created a firewall rule to protect the Routing Engine. After applying the rule, your OSPF adjacencies dropped. How would you solve this problem?

    A. Create a firewall term that allows IP protocol 89.
    B. Define a router ID under the [edit routing-options] hierarchy.
    C. Configure the loopback interface under the [edit protocols ospf] hierarchy.
    D. Apply the firewall filter to the physical ports.

    Answer: A

    NEW QUESTION 12
    What are two OSPF LSA types? (Choose two.)

    A. Stub
    B. Router
    C. Transit
    D. Network

    Answer: BD

    NEW QUESTION 13
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