单项选择题Which OSPF LSA is used to support MPLS traffic engineering?()

A.opaque LSA (Type 8)
B.opaque LSA (Type 9)
C.link LSA (Type 1)
D.network LSA (Type 2)
E.opaque LSA (Type 10)


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1.多项选择题Option 10A (back-to-back VRF) is an implementation of inter-AS MPLS VPN. Which of four statementsabout option 10A are not true?()

A.MPLS is required between the ASBRs.
B.ASBR must hold all routing information.
C.It is a scalable solution.
D.It is a simple solution.
E.MP-EBGP is used to exchange routes between ASBRs.

2.多项选择题Which three of these are optical channel data unit (ODU) overhead fields? ()

A.general communication channel 0 (GCC0)
B.section monitoring
C.reserved (RES)
D.general communication channels 1 and 2 (GCC1 GCC2)
E.tandem connection monitoring activation deactivation (TCM ACT)

3.单项选择题Which statement about OSPF ASBR summary LSA is true?()

A.It is generated by an ASBR and indicates the reachability to an ABR located in another area.
B.It is generated by ABR and indicates the reachability to an ASBR located in another AS.
C.It is generated by ABR and indicates reachability to itself.
D.It is generated by ABR and indicates the reachability to an ASBR located in another area.
E.It is generated by ASBR and indicates the reachability to an ABR.

4.多项选择题Which two models are the models of DiffServ-Award traffic Engineering?()

A.Class-based Model
B.Maximum Allocation Model
C.Russian Doll Model
D.Global Tunnel Model
E.Policy-based Model

5.单项选择题What are the address Family Identifier (AFI) and subsequent Address family Identifier ASAFI) values from VPNv6?()

A.AFI is 2, SAFI is 128
B.AFI is 1, SAFI is 64
C.AFI is 2, SAFI is 64
D.AFI is 1, SAFI is 96
E.AFI is 2, SAFI is 96
F.AFI is 1, SAFI is 128

6.多项选择题Which three modes are the operating modes of HDLC? ()

A.asynchronous response mode (ARM)
B.normal peer mode (NPM)
C.asynchronous balanced mode (ABM)
D.normal response mode (NRM)
E.asynchronous client mode (ACM)

8.单项选择题Which statement about the Cisco MPLS Traffic Engineering class-based tunnel selection (CBTS) is nottrue?()

A.Local mechanism is at the middle-point router.
B.EXP selection is between multiple tunnels to the same destination
C.Bundle members are configured with EXP values to carry.
D.The tunnel selection is configured on the tunnel master.
E.The tunnel master bundles the tunnel members

9.多项选择题Which two statements about MPLS Label Distribution Protocol (LDP) are true? ()

A.LDP hello packets are sent to TCP 646.
B.LDP session packets are sent to TCP 646.
C.LDP session packets are sent to TCP 711.
D.LDP hello packets are sent to TCP 711.
E.LDP hello packets are sent to UDP 711.
F.LDP hello packets are sent to UDP 646.

10.多项选择题Which three statements about the secure domain router are true?()

A.The logical router can span across chassis.
B.The fabric and system controller module are shared by all logical routers.
C.Each logical router has a distinct fabric and system controller module
D.The logical router can share a route processor
E.The logical router cannot share a route processor