主机ID规则中，错误的是（）。

A:主机ID对网络ID必须是唯一的 B:主机ID各个位不能都为1 C:主机ID各个为不能都为0 D:主机ID的第一个8位位组不能是0

在OSPF中，Link State ID是LSA所描述的那部分链路的标识，下列对于不同类型LSA的Link State ID描述正确的是（）。

A:Router LSA的Link State ID是该路由器所连接的网段 B:Network LSA的Link State ID是所描述网段上DR的端口IP地址 C:Network Summary LSA的Link State ID是所描述的目的网段地址 D:ASExternal LSA的Link State ID是所描述的ASBR的Router ID

OSPF协议使用Network-LSA描述Transit网段，为了正确描述此网段，Network-LSA需要标识此网段的IP网络地址，以下关于标识方法的说法正确的是？（）

A:Network-LSA使用LSA头部中的Link State ID字段标识所描述网段的IP网络地址 B:Network-LSA使用Network Address字段标识所描述网段的IP网络地址 C:Network-LSA使用Link State ID字段和Network Mask字段共同标识所描述网段的IP网络地址 D:Network-LSA使用Network Address字段和Network Mask字段共同标识所描述网段的IP网络地址

OSPF协议使用Network-Summary-LSA描述区域间路由信息，以下关于Network-Summary-LSA标识所描述网段的IP网络地址的说法正确的是（）。

A:Network-Summary-LSA使用LSA头部中的Link State ID字段标识所描述网段的IP网络地址 B:Network-Summary-LSA使用Network Address字段标识所描述网段的IP网络地址 C:Network-Summary-LSA使用Link State ID字段和Network Mask字段共同标识所描述网段的IP网络地址 D:Network-Summary-LSA使用Network Address字段和Network Mask字段共同标识所描述网段的IP网络地址

The Simple Network Management Protocol (SNMP)is an  （）protocol that facilitates the exchange of management information between  （） . It is part of the Transmission Control Protocol/Internet Protocol (TCP/IP) protocol suite. SNMP enables network  （） to manage network performance, find and sole network problems, and plan for  （） . An SNMP-man-aged network consists of three key components: managed devices, （） , and network-management systems.

the exchange of management information between（）

A:network stations B:network clients C:network devices D:network servers

The Simple Network Management Protocol (SNMP)is an  （）protocol that facilitates the exchange of management information between  （） . It is part of the Transmission Control Protocol/Internet Protocol (TCP/IP) protocol suite. SNMP enables network  （） to manage network performance, find and sole network problems, and plan for  （） . An SNMP-man-aged network consists of three key components: managed devices, （） , and network-management systems.

and plan for （）

A:network growth B:network structure C:network architecture D:network servers

The Simple Network Management Protocol (SNMP)is an （） protocol that facilitates the exchange of management information between （） . It is part of the Transmission Control Protocol/Internet Protocol(TCP/IP) protocol suite. SNMP enables network （） to manage network performance, find and sole network problems, and plan for （） An SNMP -managed network consists of three key components: managed devices , （） ,and network -management systems .

protocol that facilitates the exchange of management information between （）

A:network stations B:network clients C:network devices D:network servers

The Simple Network Management Protocol (SNMP)is an （） protocol that facilitates the exchange of management information between （） . It is part of the Transmission Control Protocol/Internet Protocol(TCP/IP) protocol suite. SNMP enables network （） to manage network performance, find and sole network problems, and plan for （） An SNMP -managed network consists of three key components: managed devices , （） ,and network -management systems .

and plan for （） An SNMP -managed network consists of three key components: managed devices.

A:network growth B:network structure C:network architecture D:network servers

The Simple Network Management Protocol (SNMP)is an （） protocol that facilitates the exchange of management information between （） . It is part of the Transmission Control Protocol/Internet Protocol(TCP/IP) protocol suite. SNMP enables network （） to manage network performance, find and sole network problems, and plan for （） An SNMP -managed network consists of three key components: managed devices , （） ,and network -management systems .

the exchange of management information between （）

A:network stations B:network clients C:network devices D:network servers

The Simple Network Management Protocol (SNMP)is an （） protocol that facilitates the exchange of management information between （） . It is part of the Transmission Control Protocol/Internet Protocol(TCP/IP) protocol suite. SNMP enables network （） to manage network performance, find and sole network problems, and plan for （） An SNMP -managed network consists of three key components: managed devices , （） ,and network -management systems .

find and sole network problems, and plan for （）

A:network growth B:network structure C:network architecture D:network servers