單項(xiàng)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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1.多項(xiàng)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.

2.多項(xiàng)選擇題Which three IP multicast address related statements are true?()

A.Multicast addresses 224.0.0.13 and 224.0.0.22 are reserved link - local addresses used by PIMv2 and IGMPv3
B.Because they would map to overlapping IP multicast MAC addresses, multicast addresses 224.0.1.1 and 238.1.1.1 could not be used toget her
C.Multicast addresses 224.0.0.0 through 224.0.0.255 are always forwarded because they are transmitted with Time to Live (TTL) greater than 1
D.Multicast addresses 224.0.0.5 and 224.0.0.6 are source multicast addresses for OSPF routers
E.The a dministratively scoped multicast addresses 239.0.0.0 through 239.255.255.255 are similar in purpose to RFC 1918 private unicast addresses
F.Multicast address 224.0.1.1 has been reserved for the Network Time Protocol (NTP) by the IANA

3.多項(xiàng)選擇題Which three restrictions apply to OSPF stub areas?()

A. The area cannot be a backbone area.
B. Inter area routes are suppressed.
C. The area has no more than 10 routers.
D. No virtual links are allowed.
E. No autonomous system border routers are allowed.
F. Redistribution is not allowed unless the packet is changed to a type 7 packet.

4.多項(xiàng)選擇題

Refer to the exhibit. Which three statements accurately describe the result of applying the exhibited route map?()

A. The map prohibits th e redistribution of all type 2 external OSPF routes.
B. All routes that do no match clauses 10 and 20 of the route map are redistributed with their tags set to 8.
C. The map prohibits the redistribution of all external OSPF routes with tag 6 set.
D. Th e map permits the redistribution of all type 1 external OSPF routes.
E. The map redistributes into EIGRP all routes that match the pfx prefix list and the five metric values?0000, 1000, 255, 1, and 1500.
F. The map prohibits the redistribution of all ty pe 2 external OSPF routes with tag 6 set.

最新試題

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Router R1 lists the following output from a show command. Which of the following is true about R1?()R1# show ip v6 interface f0/0FastEthernet0/0 is up, line protocol is upIPv6 is enabled, link - local address is FE80::213:19FF:FE12:3456No Virtual link - local address(es):Global unicast address(es):2000::4:213:19FF:FE12:3456, subnet is 2000:0:0:4::/64 [EUI]Jo ined group address(es):FF02::1FF02::2FF02::1:FF:12:3456

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An engineer is reviewing another engineer's sample configuration for a GRE tunnel used to pass IPv6 traffiC. The tunnel ha s not yet been configured on the router.Which of the following commands is not required for the configuration to pass IPv6 traffic?()

題型:?jiǎn)雾?xiàng)選擇題

The following output occurs on Router R1 , which runs both EIGRP for IPv6 and OSPFv3, with redistribution from EIGRP into OSPF configured with the redistribute eigrp 1 metric 25 command. Interface S0/0/1 has been enabled for EIGRP ASN 1. Which of the following should be true of redistribution in  this case?()D 2000::/64 [90/1422516]via FE80::213:19FF:FE7B:5026, Serial0/0/1C 2000:0:0:1::/64 [0/0]via Serial0/0/1, directly connectedL 2000::1:213:19FF:FE7B:5004/128 [0/0]via Serial0/0/1, receive

題型:?jiǎn)雾?xiàng)選擇題