外国一级黄色录像,日本免费一级

單項(xiàng)選擇題What will happen if a private IP address is assigned to a public interface connected to an ISP?（）

A.Addresses in a private range will be not routed on the Internet backbone.
B.Only the ISP router will have the capability to access the public network.
C.The NAT process will be used to translate this address in a valid IP address.
D.Several automated methods will be necessary on the private network.
E.A conflict of IP addresses happens, because other public routers can use the same range.

點(diǎn)擊查看答案

您可能感興趣的試卷

你可能感興趣的試題

1.多項(xiàng)選擇題提高密碼的安全性，應(yīng)進(jìn)行如下配置（）

A.設(shè)置最短密碼長(zhǎng)度
B.關(guān)閉無(wú)用連接
C.加密配置文件中的所有密碼
D.設(shè)置密碼有效期

點(diǎn)擊查看答案

2.單項(xiàng)選擇題Host 1 sends a request for a file to remote sever1. Which destination address does Host 1 place f the packet containing the request（）。

A.The Mac address of the NIC in Sever1
B.The IP address of Server 1.
C.The MAC address of the s0/0/0 interface of router R2
D.The IP address of the s0/0/0 interface of router R1
E.The IP address of the Fa0/0 interface of router R1

點(diǎn)擊查看答案

3.多項(xiàng)選擇題Which two commands correctly verify whether port security has been configured on portFastEthernet 0/12on 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

點(diǎn)擊查看答案

4.單項(xiàng)選擇題Which IP address can be assigned to an Internet interface?（）

A.10.180.48.224
B.9.255.255.10
C.192.168.20.223
D.172.16.200.18

點(diǎn)擊查看答案

5.多項(xiàng)選擇題能夠幫助獲得強(qiáng)密碼策略的具體方法（）

A.登陸嘗試失敗一定次數(shù)后禁用賬號(hào)
B.設(shè)置密碼有效期
C.不使用明文密碼
D.使用強(qiáng)密碼

點(diǎn)擊查看答案

6.單項(xiàng)選擇題 A network administrator is troubleshooting the OSPF configuration of routers R1 an dR2.The routers cannote stablish an adjacency relation ship on their common Ethernet link.The graphic shows the output of the show ip ospf interface e0 command for routers R1 an dR2.Based on the information in the graphic，what is the cause of this problem？（）

A.The OSPF area is not configured properly.
B.The priority on R1 should be set higher.
C.The cost on R1 should be set higher.
D.The hello and dead timers are not configured properly.
E.A backup designated router needs to be added to the network.
F.The OSPF process ID numbers must match.

點(diǎn)擊查看答案

7.單項(xiàng)選擇題What is the principle reason to use a private IP address on an internal network?（）

A.Subnet strategy for private companies.
B.Manage and scale the growth of the internal network.
C.Conserve public IP addresses so that we do not run out of them.
D.Allow access reserved to the devices.

點(diǎn)擊查看答案

8.單項(xiàng)選擇題Which layer of the OSI reference model uses flow control, sequencing, and acknowledgements to ensure that reliable networking occurs?（）

A.data link
B.network
C.transport
D.presentation
E.physical

點(diǎn)擊查看答案

9.多項(xiàng)選擇題拒絕服務(wù)攻擊的主要原因（）

A.中間人泄露信息
B.主機(jī)或應(yīng)用程序處理非預(yù)期狀況失敗
C.緩沖區(qū)溢出
D.網(wǎng)絡(luò)、主機(jī)或應(yīng)用程序不能處理量非常大的數(shù)據(jù)

點(diǎn)擊查看答案

10.單項(xiàng)選擇題Host 1 sends an ICMP echo request to remote sever1. Layer2 header of the frame containing the ping packet（）。

A.The IP address of sever 1.
B.The MAC address of NIC in sever 1.
C.The IP address of F0/0 interface of router R1.
D.The MAC address of the Fa0/0 interface of router R1.
E.The IP address of the s0/0/0 interface of router R2
F.The MAC address of the s0/0/0 interface of router R2

點(diǎn)擊查看答案