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【单选题】

Which IP address and wildcard mask would you use in your ACL to block all the hosts in the subnet 192.168.16.43/28?()

A、192.168.16.32 0.0.0.16

B、192.168.16.43 0.0.0.212

C、192.168.16.0 0.0.0.15

D、192.168.16.32 0.0.0.15

E、192.168.16.0 0.0.0.31

F、192.168.16.16 0.0.0.31

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第2题

A、one primary and one secondary IP address  B、one IP address  C、as many IP addresses as you want  D、one primary and multiple secondary IP addresses  

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第3题

A、IP protocol  B、IP time-to-live  C、source and destination IP address  D、source and destination MAC address  E、source and destination TCP/UDP port  

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第4题

A、They provide dynamic IP addresses for DSIs.  B、They provide dynamic IP addresses for SRC applications.  C、They provide dynamic IP addresses from pools for PPPoE subscribers.  D、They provide dynamic IP addresses from pools for Routed IP subscribers.  

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第5题

A、IPaddressandIP label of each service and boot interface in the cluster  B、IPaddressandIP label of each service and boot interface in the cluster, loopback interface, and the hostname of the node  C、IPaddressandIP label of each service and boot interface in the cluster, the loopbackinterface, and the cluster gateway  D、IPaddressandIP label of each service and boot interface in the cluster, the loopbackinterface, the cluster gateway, and the subnet network addresses  

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第6题

A、one primary and one secondary IPaddress  B、one IPaddress  C、as many IPaddresses as you want  D、one primary and multiple secondary IPaddresses  

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第7题

A、IP protocol  B、IP time-to-live  C、source and destination IPaddress  D、source and destination MAC address  E、source and destination TCP/UDP port  

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第8题

A、A. IP address is classful.  B、B. IP address is a subnet broadcast address.  C、C. IP address is a subnet network address.  D、D. IP address is classless  

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第9题

A、source and destination MAC address  B、source MAC address and destination network address only  C、source and destination network address only  D、source network address and destination MAC address  E、source and destination MAC address and source and destination network address  

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第10题

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  

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