Which multicast address is reserved for cisco-rp-discovery？（）

A .  Fa7/28 B .  Fa7/20 C .  Gi3/7 D .  Fa4/2 E .  Fa4/14 F .  Fa4/38 G .  Fa6/28 H .  Fa5/7

A . 172.31.128.255./18 B . 255.255.255.255 C . 192.168.24.59/30 D . 224.0.0.5 E . All of the above

A . Fa6/28 B . Fa7/20 C . Gi3/7 D . Fa4/2 E . Fa4/14 F . Fa4/38 G . Fa6/38 H . Fa5/7

A . 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. B . Multicast addresses 224.0.0.5 and 224.0.0.6 are source multicast addresses for OSPF routers. C . Multicast addresses 224.0.0.13 and 224.0.0.22 are reserved link-local addresses used by PIMv2 and  IGMPv3. D . 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 together. E . Multicast address 224.0.1.1 has been reserved for the Network Time Protocol （NTP） by the IANA F . The administratively scoped multicast addresses 239.0.0.0 through 239.255.255.255 are similar in  purpose to RFC 1918 private unicast addresses.

A . 169.254.23.59 B . 223.254.255.254 C . 225.1.1.1 D . 227.43.34.2 E . 238.3.3.3 F . 249.1.2.3

A . 2031：0：130F：：9C0：876A：130B B . 2001：0DB8：0000：130F：0000：0000：08G C . 140BC.2001：0DB8：0：130H：：87C：140B D . 2031：：130F：：9C0：876A：130B

A . only the low-order 23 bits of the MAC address are used to map IP addresses B . only the low-order 24 bits of the MAC address are used to map IP addresses C . only the high-order 23 bits of the MAC address are used to map IP addresses D . only the low-order 23 bits of the IP address are used to map MAC addresses E . the 0x01004f MAC address prefix is used for mapping IP addresses to MAC addresses F . the 0x01005e MAC address prefix is used for mapping IP addresses to MAC addresse

A . 00-00-0c-c0-05-0a B . 00-00-0c-cl-05-0a C . 01-00-5e-00-00-0c D . 01-00-5e-41-05-0a E . 00-00-0c-01-00-5e F . 01-00-5e-cl-05-0a

A .  224.21.106.44 B .  224.25.106.44 C .  233.149.106.44 D .  236.25.106.44 E .  239.153.106.44

A . 232.0.0.0/8 B . 239.0.0.0/8 C . 232.0.0.0/4 D . FF3x：：/32 E . FF2x：：/32 F . FF3x：：/16

A . The MDT group address should be the same for both address families in the same VRF B . The MDT group address should be the same for both address families in the different VRFs C . Configuration of the MDT source on a pre-VRF basis is supported only on IPv6 D . The MDT group address should be different for both address families in the same VRF

A .  Class A B .  Class B C .  Class C D .  Class D

A . 2031:0:130F::9C0:876A:130B B . 2001:0DB8:0000:130F:0000:0000:08GC:140B C . 2001:0DB8:0:130H::87C:140B D . 2031::130F::9C0:876A:130B

A . LSP B . PSNP C . ISH D . CSNP E . IIH

A .  224.0.0.100 B .  224.0.0.1 C .  224.0.0.102 D .  224.0.0.10 E .  224.0.0.101 F .  None of the other alternatives apply

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

A . 228.10.10.7 B . 229.11.10.7 C . 229.138.10.7 D . 229.138.10.8 E . 228.10.10.8 F . 228.10.138.7

A . 232.0.0.0/8 B . 239.0.0.0/8 C . 232.0.0.0/4 D . FF3x：：/32 E . FF2x：：/32 F . FF3x：：/16

A . globally scoped address range B . 239.0.0.X or 239.128.0.X address range C . administratively scoped address range that does not overlap with a link-local MAC address D . any Class D address range E . site-local scoped address range

A . Before sending traffic, it must first join  multicast group 239.1.1.1 by sending an IGMPv2 membership report to the default router on the local subnet. B . It must send an IGMPv2 Request to Send  packet and then wait for an IGMPv2 Clear to Send packet from the IGMPv2 querier router on the local subnet C . It may begin transmitting multicast traffic to the group only when there is no other host transmitting to the group on the local subnet. D . It may transmit multicast traffic to the group at any time.&e

A . only the low-order 23 bits of the MAC address are used to map IP addresses B . only the low-order 24 bits of the MAC address are used to map IP addresses C . only the high-order 23 bits of the MAC address are used to map IP addresses D . only the low-order 23 bits of the IP address are used to map MAC addresses E . the 0x01004f MAC address prefix is used for mapping IP addresses to MAC addresses F . the 0x01005e MAC address prefix is used for mapping IP addresses to MAC addresse

A . Fa6/28 B . Fa7/20 C . Gi3/7 D . Fa4/2 E . Fa4/14 F . Fa4/38

A . The VPNv6 address is a 96-bit route distinguisher and a 128-brt IPv6 address B . The VPNv6 address is a 64-bit route distinguisher and a 128-bit IPv6 address C . The VPNv6 address is a 64-brt route distinguisher and a 96-brt IPv6 address D . The VPMv6 address is a 96-brt route distinguisher and a 96-bit IPv6 address E . The VPNv6 address is a 128-bit route distinguisher and a 128-brt IPv6 addre

A . First （most significant ） octet is FF in hex B . Starts with a prefix of FE80 to FEBF in hex C . Starts with a prefix of FECO to FEFF in hex D . Second octet contains a 4-bit multicast scope field E . Last 64 bit contains the modified MAC address of the Ethernet interface F . Is allocated from the unicast address space