多項選擇題相對標準和靜態(tài)擴展ACL,動態(tài)ACL有哪些優(yōu)勢()

A.每個用戶的挑戰(zhàn)驗證機制
B.簡化路由器對ACL的處理
C.降低網(wǎng)絡黑客對網(wǎng)絡的攻擊機會
D.在不損害其他安全配置的前提下,可以動態(tài)的讓用戶穿越防火墻


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題Which component of VPN technology ensures that data can be read only by its intended recipient?()

A.data integrity
B.encryption
C.key exchange
D.authentication

2.多項選擇題Which router IOS commands can be used to troubleshoot LAN connectivity problems?()

A.ping
B.tracert
C.ipconfig
D.show ip route
E.winipcfg
F.show interfaces

4.單項選擇題What is the effect of using the service password-encryption command?()

A.nly passwords configured after the command has been entered will be encrypted.
B.Only the enable password will be encrypted.
C.Only the enable secret password will be encrypted
D.It will encrypt the secret password and remove the enable secret password from the configuration.
E.It will encrypt all current and future passwords.

5.多項選擇題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

6.多項選擇題實施ACL時應注意的問題()

A.默認拒絕所有流量
B.不需要配置到具體端口
C.過濾方向
D.語句的次序

8.多項選擇題擴扎ACL的編號范圍為()

A.1~99
B.100~199
C.1300~1999
D.2000~2699

9.單項選擇題A router has two FastEthernet interfaces and needs to connect to four vlans in the local network.How canyou accomplish this task,using the fewest physical interfaces and withoutdecreasing networkperformance?()

A.Add two more FastEthernet interfaces.
B.Add a second router to handle the vlan traffic.
C.Use a hub to connect the four vlans with a FastEthernet interface on router.
D.Implement a router-on-a-stick configuration.

10.多項選擇題A network administrator needs to configure port security on a switch.which two statements are true?()

A.The network administrator can apply port security to dynamic access ports
B.The network administrator can configure static secure or sticky secure mac addresses in the voice vlan.
C.The sticky learning feature allows the addition of dynamically learned addresses to the runningconfiguration.
D.The network administrator can apply port security to EtherChannels.
E.When dynamic mac address learning is enabled on an interface,the switch can learn new addresses,up to the maximum defined.

最新試題

請參見圖示。當計算機A 向計算機D 發(fā)送幀時,哪些計算機會接收該幀?()

題型:單項選擇題

在配置路由器時,網(wǎng)絡技術人員想要命名路由器。輸入hostname 命令后,技術人員會看到下列哪一項提示?()

題型:單項選擇題

請參見圖示。一臺主機正使用NAT 連接到Internet。下列哪三項IP 地址可實現(xiàn)此連接?()

題型:多項選擇題

請參見圖示。RouterB 已經(jīng)過正確配置。RouterA 的以太網(wǎng)接口Fa0/0已使用如圖所示的命令進行配置。但是,從RouterA 的Fa0/0接口無法成功ping 通RouterB 的Fa0/0接口。應在RouterA 上采取什么措施來解決此問題?()

題型:單項選擇題

請參見圖示。對于從主機A 向Web 服務器發(fā)出的網(wǎng)頁請求,正確的目的套接字數(shù)字是什么?()

題型:單項選擇題

要將數(shù)據(jù)包發(fā)送到遠程網(wǎng)絡,應使用哪種設備?()

題型:單項選擇題

請參見圖示。網(wǎng)絡中的所有設備均使用默認配置。此拓撲中存在多少個廣播域?()

題型:單項選擇題

OSI 模型的哪兩項功能在第2層實現(xiàn)?()

題型:多項選擇題

傳輸層如何讓主機能同時針對不同應用程序維護多個通信流?()

題型:單項選擇題

請參見圖示。哪種邏輯拓撲是對圖示網(wǎng)絡的準確描述?()

題型:單項選擇題