Which two statements about the IS -IS routing protocol are true?()A. IS - IS is capable of supporting IPv4 and IPv6.B. IS - IS is only capable of supporting IPv4 and CLNS.C. IS - IS routers use ES - IS hellos (ESH) to establish and to maintain neighbor re

题目
Which two statements about the IS -IS routing protocol are true?()

A. IS - IS is capable of supporting IPv4 and IPv6.

B. IS - IS is only capable of supporting IPv4 and CLNS.

C. IS - IS routers use ES - IS hellos (ESH) to establish and to maintain neighbor relationships.

D. IS - IS routers run the Bellman - Ford algorithm against their LSDBs to pick the best paths.

E. Level 1 routers learn about paths within the area of which they are a part.

F. Level 2 routers learn about paths both within areas and between areas.


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  • 第1题:

    Which two statements are true about RSVP and the InServ QoS model?()

    • A、a drawback of implementing RSVP is the requirement to migrate to a supporting routing protocol
    • B、RSVP uses DSCP to signal QoS requirements to routers 
    • C、RSVP is a routing protocol
    • D、RSVP is an IP protocol that uses IP protocol ID 46, and TCP/UDP ports 3455
    • E、RSVP specifically provides a level of service for rate-sensitive and delay-sensitive traffic
    • F、the flow-based approach of RSVP is ideal for large, scalable implementations such as the public internet

    正确答案:D,E

  • 第2题:

    Which two statements are true about terms in a routing policy?()

    • A、A routing policy cannot have more than one term.
    • B、If a term does not contain a from statement, all routes match.
    • C、If a term does not contain a from statement, the Junos OS will not commit.
    • D、A then statement is not mandatory in a term.

    正确答案:B,D

  • 第3题:

    Which two statements are true about the role of split horizon?()

    • A、It is a function used by routing protocols to install routes into routing table
    • B、It is a function that prevents the advertising of routes over an interface that the router is usingto reach a route
    • C、Its function is to help avoid routing loops.
    • D、It is a redistribution technique used by routing protocols

    正确答案:B,C

  • 第4题:

    Which two statements about OSPF IPv6 routing are true?()

    • A、It requires OSPF version 3.
    • B、automatically detects neighbors over NHMA interfaces
    • C、It supports encryption using
    • D、It uses LSA type 9
    • E、It uses LSA type 8

    正确答案:A,E

  • 第5题:

    Which two statements are true about terms in a routing policy?()

    • A、A then statement is mandatory in a term
    • B、If a term does not contain a from statement, all routers match
    • C、If a term does not contain a from statement, the Junos OS will not commit
    • D、A then statement is not mandatory in a term

    正确答案:A,B

  • 第6题:

    Which two statements are true about the forwarding table?()

    • A、The forwarding table lists each source protocol and preference for each destination.
    • B、The forwarding table contains only active routes.
    • C、The forwarding table is used to process transit packets.
    • D、The forwarding table is stored in compact flash

    正确答案:B,C

  • 第7题:

    多选题
    Which two statements about route redistribution when implementing OSPF are true?()
    A

    Routes learned using any IP routing protocol can only be redistributed into non IP routing protocols.

    B

    OSPF can import routes learned using EIGRP, RIP, and IS - IS.

    C

    OSPF routes cannot be exported into EIGRP, RIP, an d IS - IS.

    D

    At the interdomain level, OSPF cannot import routes learned using BGP.

    E

    OSPF routes can be exported into BGP.


    正确答案: D,A
    解析: 暂无解析

  • 第8题:

    多选题
    Which two statements are true about static routes in the Junos OS?()
    A

    Static routes are defined at the [edit routing-instances] hierarchy.

    B

    Static routes must have a next hop defined.

    C

    Static routes remain in the routing table until you remove them or until they become inactive.

    D

    Static routes are learned by neighboring devices and added to their routing tables.


    正确答案: B,C
    解析: 暂无解析

  • 第9题:

    多选题
    Which two statements are true about the role of split horizon?()
    A

    It is a function used by routing protocols to install routes into routing table

    B

    It is a function that prevents the advertising of routes over an interface that the router is usingto reach a route

    C

    Its function is to help avoid routing loops.

    D

    It is a redistribution technique used by routing protocols


    正确答案: C,D
    解析: 暂无解析

  • 第10题:

    多选题
    By default, which two statements are true about export routing policies?()
    A

    Export policies can evaluate only active routes

    B

    Export policies can evaluate all routes

    C

    Export policies can be applied to the forwarding table

    D

    Export policies can be applied directly to interfaces


    正确答案: D,B
    解析: 暂无解析

  • 第11题:

    多选题
    Which three statements about EIGRP are true?()
    A

    EIGRP converges fast RIP because of DUAL and backup routes that are stored in the topology table.

    B

    EIGRP uses a hello protocol to establish neighbor relationships

    C

    EIGRP uses split horizon and reverse poisoning to avoid routing loops.

    D

    EIGRP uses periodic updates to exchange routing information

    E

    EIGRP allows routers of different manufacturers to interoperate

    F

    EIGRP supports VLSM and authentication for routing updates.

    G

    EIGRP use a broadcast address to send routing information.


    正确答案: D,A
    解析: 暂无解析

  • 第12题:

    多选题
    Which two statements are true about the forwarding table?()
    A

    The forwarding table lists each source protocol and preference for each destination

    B

    The forwarding table constains only active routes

    C

    The forwarding table is used to process transit packets

    D

    The forwarding table is stored in compact flash


    正确答案: B,C
    解析: 暂无解析

  • 第13题:

    Which two statements are true about L2TP tunnels?() (Choose two.)

    • A、Traffic is clear text
    • B、Traffic is encrypted 
    • C、They are initiated by the LNS
    • D、They are initiated by the LAC

    正确答案:A,D

  • 第14题:

    Which two statements about Layer 3 MPLS VPN are true?()

    • A、The virtual routing and forwarding table is separate from the global routing table that exists on PE routers. Routes are injected into the VRF from the CE-PE routing protocols for that VRF and any MP-BGP announcements that match the defined VRF RTs
    • B、Multiprotocol Border Gateway Protocol is run between PE and CE routers to exchange customer prefixes in a VPNv4 format
    • C、A customer edge router peers at Layer 3 to the provider edge. The PE-CE interface runs either a dynamic routing protocol (eBGP, RIPv2, EIGRP, OSPF) or a static routing protocol (Static, Connected)
    • D、VPNv4 address is the combination of the RT and customer IPv4 prefix. These VPNv4 prefixes are passed in MP-BGP

    正确答案:A,C

  • 第15题:

    Which two statements about the IS -IS routing protocol are true?()

    • A、IS - IS is capable of supporting IPv4 and IPv6.
    • B、IS - IS is only capable of supporting IPv4 and CLNS.
    • C、IS - IS routers use ES - IS hellos (ESH) to establish and to maintain neighbor relationships.
    • D、IS - IS routers run the Bellman - Ford algorithm against their LSDBs to pick the best paths.
    • E、Level 1 routers learn about paths within the area of which they are a part.
    • F、Level 2 routers learn about paths both within areas and between areas.

    正确答案:A,E

  • 第16题:

    Which two statements are true about the forwarding table?()

    • A、The forwarding table lists each source protocol and preference for each destination
    • B、The forwarding table constains only active routes
    • C、The forwarding table is used to process transit packets
    • D、The forwarding table is stored in compact flash

    正确答案:B,C

  • 第17题:

    Which two statements are true regarding routing policy processing?()

    • A、The Junos OS verifies the match criteria of each policy in order and performs the associated action when a match occurs.
    • B、Policies are evaluated from right to left as displayed in the Junos OS configuration file.
    • C、Polices are evaluated based on the order in which they are applied to a routing protocol.
    • D、Policy processing stops once the last statement in the policy is evaluated.

    正确答案:A,C

  • 第18题:

    多选题
    Which two statements are true about hierarchical architecture? ()(Choose two.)
    A

    You can assign a logical interface to multiple zones.

    B

    You cannot assign a logical interface to multiple zones.

    C

    You can assign a logical interface to multiple routing instances.

    D

    You cannot assign a logical interface to multiple routing instances.


    正确答案: B,C
    解析: 暂无解析

  • 第19题:

    多选题
    By default, which two statements are true about export routing polices?()
    A

    Export polices can evaluate only active routes

    B

    Export polices can evaluate all routes

    C

    Export polices can be applied to the forwarding table

    D

    Export polices can be applied to interfaces


    正确答案: B,A
    解析: 暂无解析

  • 第20题:

    多选题
    Which two statements are true about AH?() (Choose two.)
    A

    AH provides data integrity.

    B

    AH is identified by IP protocol 50.

    C

    AH is identified by IP protocol 51.

    D

    AH cannot work in conjunction with ESP


    正确答案: D,C
    解析: 暂无解析

  • 第21题:

    多选题
    Which of the following statements regarding routed and routing protocols are true?()
    A

    A routed protocol is assigned to an interface and determines the method of packet deliver.

    B

    A routing protocol determines the path of a packet through a network.

    C

    A routed protocol determines the path of a packet through a network.

    D

    A routing protocol operates at the transport layer of the OSI model.

    E

    A routed protocol updates the routing table of a router.


    正确答案: A,E
    解析: 暂无解析

  • 第22题:

    多选题
    Which two statements about OSPF IPv6 routing are true?()
    A

    It requires OSPF version 3.

    B

    automatically detects neighbors over NHMA interfaces

    C

    It supports encryption using

    D

    It uses LSA type 9

    E

    It uses LSA type 8


    正确答案: D,B
    解析: 暂无解析

  • 第23题:

    多选题
    Which two statements are true about terms in a routing policy?()
    A

    A routing policy cannot have more than one term.

    B

    If a term does not contain a from statement, all routes match.

    C

    If a term does not contain a from statement, the Junos OS will not commit.

    D

    A then statement is not mandatory in a term.


    正确答案: D,C
    解析: 暂无解析

  • 第24题:

    多选题
    Which two statements are true regarding routing policy processing?()
    A

    The Junos OS verifies the match criteria of each policy in order and performs the associated action when a match occurs.

    B

    Policies are evaluated from right to left as displayed in the Junos OS configuration file.

    C

    Polices are evaluated based on the order in which they are applied to a routing protocol.

    D

    Policy processing stops once the last statement in the policy is evaluated.


    正确答案: D,A
    解析: 暂无解析