题目内容（请给出正确答案）

[主观题]

群落的结构特征决定于优势种植物。[]A．正确B．错误

群落的结构特征决定于优势种植物。 [ ]

A．正确

B．错误

查看答案

如搜索结果不匹配，请联系老师获取答案

您可能会需要：

重置密码查看订单联系客服

安装上学吧APP，拍照搜题省时又省心！

更多“群落的结构特征决定于优势种植物。[]A．正确B．错误”相关的问题

第1题

Refer to the exhibit. Given the output shown from this Cisco Catalyst 2950, what is the most likely reason that interface FastEthernet 0/10 is not the root port for VLAN 2？（）

A.This switch has more than one interface connected to the root network segment in VLAN 2.

B.This switch is running RSTP while the elected designated switch is running 802.1d Spanning Tree.

C.This switch interface has a higher path cost to the root bridge than another in the topology.

D.This switch has a lower bridge ID for VLAN 2 than the elected designated switch.

点击查看答案

第2题

Refer to the exhibit. At the end of an RSTP election process, which access layer switch port will assume the discarding role？（）

A.Switch3, port fa0/1

B.Switch3, port fa0/12

C.Switch4, port fa0/11

D.Switch4, port fa0/2

E.Switch3, port Gi0/1

F.Switch3, port Gi0/2

点击查看答案

第3题

Which two commands correctly verify whether port security has been configured on port FastEthernet 0/12 on a switch？（）

A. SW1#show swithport port-security interface FastEthernet 0/12

B. SW1# show swithport port-secure interface FastEthernet 0/12

C. SW1# show port-secure interface FastEthernet 0/12

D. SW1#show running-config

E. SW1#show port-security interface FastEthernet 0/12

点击查看答案

第4题

A．Switch1

B．Switch2

C．Switch3

D．Switch4

点击查看答案

第5题

Refer to the exhibit. Which two statements are true about the partial configuration that is shown？（）

A. The first DHCP client to connect to the FastEthernet 0/1 interface will receive the IP address 10.10.0.1.

B. DHCP requests received on the FastEthernet 0/1 interface will be forwarded to 10.0.0.2.

C. The first DHCP client to connect to the FastEthernet 0/0 interface will receive the IP a ddress 10.0.0.1

D. The first DHCP client to connect to the FastEthernet 0/0 interface will receive the IP address 10.0.0.6.

E. Hosts connected to the FastEthernet0/1 interface will not receive DHCP replies from the router.

点击查看答案

第6题

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 0/1S1(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

点击查看答案

第7题

在一台Cisco Catalyst 2950交换机上作如下配置：Switch # config terminalSwitch （config) # i

在一台Cisco Catalyst 2950交换机上作如下配置：

Switch # config terminal

Switch (config) # interface fastethernet 0/1

Switch (config-if) # switchport mode access

Switch (config-if) # switchport access vlan2

若要将fastethernet 0/1端口还原到默认配置状态，可以使用()命令。

A、Switch (config) # default fastethernet 0/1

B、Switch (config) # default interface fastethernet 0/1

C、Switch (config) # no fastethernet 0/1

D、Switch (config) # erase interface fastethernet 0/1

点击查看答案

第8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.

点击查看答案

第9题

Refer to the exhibit. For the given configuration, on packets leaving the router on interface FastEthernet0/0 that matches the high traffic class, what will the MPLS experimental bit be set to？（）

A. 0

B. 1

C. 2

D. 3

E. 4

F. 5

点击查看答案

第10题

Refer to the exhibit. Which of these statements correctly describes the state of the switch once the boot process has been completed？（）

A.As FastEthernet0/12 will be the last to come up, it will not be blocked by STP.

B.Remote access management of this switch will not be possible without configuration change.

C.More VLANs will need to be created for this switch.

D.The switch will need a different IOS code in order to support VLANs and STP.

点击查看答案