多项选择题
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 receive 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 multicast group will rece ive it.
F. A router must be a member of a multicast group to receive multicast data.
相关考题
-
多项选择题
Refer to the exhibit. What two statements are true?（）
A. This is the designated router (DR) on the FastEthernet 0/0 link.
B. The output was generated by the show ip interface c ommand.
C. The router was configured with the commands:r outer ospf 1 network 172.16.6.0 0.0.0.255 area 1
D. The IP address of the backup designated router (BDR) is FE80::205:5FFF:FED3:5808.
E. Interface FastEthernet 0/0 was configured with the ipv6 o spf 1 area 1 command.
F. OSPF version 2 has been enabled to support IPv6. -
单项选择题
Which IPv6 address correctly compresses the IPv6 unicast address 2001:0:0:0:0DB8:0:0:417A?（）
A. 2001:0DB8:417A
B. 2001::0DB8::417A
C. 2001:::0DB8::417A
D. 2001:0D B8:0:0:417A
E. 2001::DB8:0:0:417A
F. 2001:::0DB8:0:0:417A -
多项选择题
Which three are characteristics of IPv6?（）
A. An IPv6 address is 128 bits long.
B. An IPv6 header contains the header checksum field.
C. An IPv6 header is 20 bits long.
D. An IPv6 header contains the next header field.
E. IPv6 route rs send RA messages.
F. An IPv6 header contains the protocol field.
