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多項選擇題Which three options are supported as address allocation mechanisms for DHCP on Cisco routers?（）

A. The IP address can be automatically assigned to a host.
B. The IP address can be assigned as a random hash value of the burned - in - address of the lowest - numbered LAN interface on the router.
C. The network administrator can assign a speci fic IP address to a specific host MAC address.
D. The IP address can be assigned from configured pools in a reverse lexicographical order.
E. The IP address can be assigned to a host for a limited time or until the host explicitly releases the address.
F. The IP address can be assigned to a host until the host usurps the assigned value using its own dynamic override mechanism.

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1.多項選擇題 Refer to the exhibit. On the basis of the output, what two conclusions can be reached?（）

A. The default administrative distance has been changed.
B. IS - IS is not enabled.
C. Three physical interfaces are taking part in integrated IS - IS.
D. IS - IS is not redistributing any oth er routing protocols.
E. There are two neighboring routers sending IS - IS routing information.
F. Address summarization is configured.

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2.多項選擇題 Refer to the exhibit. What three statements are true about the IS - IS configuration?（）

A.The router is in area 49.0001.0002
B.The router acts as a Level 1 - 2 router
C.CLNS routing is enable d for the router
D.The router has a system ID of 0003.0004
E.The interfaces have a functional IS - IS configuration
F.The network service access point selector (NSEL) byte has a value of 0

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3.多項選擇題 Refer to the exhibit. This network is running IS - IS. Router RTC is inside Cloud#1. From the output on RTD, which two statement s are true?（）

A.Because it is running IS - IS in IP - only mode, RTD will not transmit CLNS packets
B.IP routing updates between RTC and RTD will be IP datagrams that are encapsulated by HDLC
C.The SNPA for RTE is the source data link address that is used to transmit frames to RTD
D.IP routing updates between RTC and RTD will be CLNS datagrams that are encapsulated by HDLC
E.The NET for RTE will be 49.0150.0019.06b7.fd5f.00
F.IP routing updates between RTC and RTD will be IP datagrams that a re encapsulated by CLNS

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4.單項選擇題 Refer to the exhibit. Router R1 is being used as a relay device for autoconfiguration of switch S1.Which configuration will acc omplish this? （）

A.S1(config)# interface fastethernet 0/1   S1(config - if)# ip helper - address 10.0.0.2
B.S1(config)# interface fastethernet 0/1   S1(config - if)# ip helper - address 20.0.0.1
C.R1(config)# interface fastethernet 0/0   R1(config - if)# ip help er - address 20.0.0.2R   1(config - if)# ip helper - address 20.0.0.3   R1(config - if)# ip helper - address 20.0.0.4   R1(config - if)# exit   R1(config)# interface fastethernet 0/1   R1(config - if)# ip helper - address 10.0.0.1
D.R1(config)# interface fastethernet 0/0   R1 (config - if)# ip helper - address 20.0.0.1   R2(config)# interface fastethernet 0/0   R2(config - if)# ip helper - address 20.0.0.1   R3(config)# interface fastethernet 0/0   R3(config - if)# ip helper - address 20.0.0.1   R4(config)# interface fastethernet 0/0   R4(config - if)# ip helper - address 20.0.0.1
E.S1(config)# interface fastethernet 0/1   S1(config - if)# ip helper - address 10.0.0.2   R2(config)# interface fastethernet 0/0   R2(config - if)# ip helper - address 20.0.0.1   R3(config)# interface fastethernet 0/0   R3(config - if) # ip helper - address 20.0.0.1   R4(config)# interface fastethernet 0/0   R4(config - if)# ip helper - address 20.0.0.1

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5.多項選擇題Which three IP multicast group concepts are true?（）

A. If a packet is sent to a multicast group address, the multicast frame contains the source multicast address.
B. A router does not have to be a member of a multicast group to recei ve multicast data.
C. A router must be a member of a multicast group to send to the group.
D. A router does not have to be a member of a multicast group to send to the group.
E. If a packet is sent to a multicast group address, all members of the multic ast group will receive it.
F. A router must be a member of a multicast group to receive multicast data.

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