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Which two parameters are configured in IPsec policy? ()(Choose two.)
A. mode
B. IKE gateway
C. security proposal
D. Perfect Forward Secrecy
参考答案
更多 “ Which two parameters are configured in IPsec policy? ()(Choose two.) A. modeB. IKE gatewayC. security proposalD. Perfect Forward Secrecy ” 相关考题
考题
以下程序段的输出结果为 ( )int j=2；switch(j){case 2：System.out.print("two.")；case 2+1：System.out.println("three.")；breakdefault：System.out.println("value is"+j)；break；}A．two.three.B．two.C．three.D．value is 2
考题
Intheconfigurationshownintheexhibit，youdecidedtoeliminatethejunos-ftpapplicationfromthematchconditionofthepolicyMyTraffic.[editsecuritypolicies]user@hostlshowfrom-zonePrivateto-zoneExternal{policyMyTraffic{match{source-addressmyHosts；destination-addressExtServers；application[junos-ftpjunos-bgp]；}then{permit{tunnel{ipsec-vpnvpnTunnel；}}}}}policy-rematch；WhatwillhappentotheexistingFTPandBGPsessions？（）A.TheexistingFTPandBGPsessionswillcontinue.B.TheexistingFTPandBGPsessionswillbere-evaluatedandonlyFTPsessionswillbedropped.C.TheexistingFTPandBGPsessionswillbere-evaluatedandallsessionswillbedropped.D.TheexistingFTPsessionswillcontinueandonlytheexistingBGPsessionswillbedropped.
考题
Intheexhibit，youdecidedtochangemyHostsaddresses.[editsecuritypolicies]user@hostshowfrom-zonePrivateto-zoneExternal{policyMyTraffic{match{source-addressmyHosts；destination-addressExtServers；application[junos-ftpjunos-bgp]；}then{permit{tunnel{ipsec-vpnvpnTunnel；}}}}}policy-rematch；Whatwillhappentothenewsessionsmatchingthepolicyandin-progresssessionsthathadalreadymatchedthepolicy？（）A.Newsessionswillbeevaluated.In-progresssessionswillbere-evaluated.B.Newsessionswillbeevaluated.Allin-progresssessionswillcontinue.C.Newsessionswillbeevaluated.Allin-progresssessionswillbedropped.D.Newsessionswillhaltuntilallin-progresssessionsarere-evaluated.In-progresssessionswillbere-evaluatedandpossiblydropped.
考题
Which statement contains the correct parameters for a route－based IPsec VPN?()
A. [edit security ipsec] user@host# show proposal ike1-proposal { protocol esp; authentication-algorithm hmac-md5-96; encryption-algorithm 3des-cbc; lifetime-seconds 3200; }policy ipsec1-policy { perfect-forward-secrecy { keys group2; } proposals ike1-proposal; } vpn VpnTunnel { interface ge-0/0/1.0; ike { gateway ike1-gateway; ipsec-policy ipsec1-policy; } establish-tunnels immediately; }B. [edit security ipsec] user@host# show proposal ike1-proposal { protocol esp; authentication-algorithm hmac-md5-96; encryption-algorithm 3des-cbc; lifetime-seconds 3200; } policy ipsec1-policy { perfect-forward-secrecy { keys group2; } proposals ike1-proposal; } vpn VpnTunnel { interface st0.0; ike { gateway ike1-gateway; ipsec-policy ipsec1-policy; } establish-tunnels immediately; }C. [edit security ipsec] user@host# show proposal ike1-proposal { protocol esp; authentication-algorithm hmac-md5-96; encryption-algorithm 3des-cbc; lifetime-seconds 3200;} policy ipsec1-policy { perfect-forward-secrecy { keys group2; } proposals ike1-proposal; } vpn VpnTunnel { bind-interface ge-0/0/1.0; ike { gateway ike1-gateway; ipsec-policy ipsec1-policy; } establish-tunnels immediately; }D. [edit security ipsec] user@host# show proposal ike1-proposal { protocol esp; authentication-algorithm hmac-md5-96; encryption-algorithm 3des-cbc; lifetime-seconds 3200; }policy ipsec1-policy { perfect-forward-secrecy { keys group2; } proposals ike1-proposal; } vpn VpnTunnel { bind-interface st0.0; ike { gateway ike1-gateway; ipsec-policy ipsec1-policy; } establish-tunnels immediately; }
考题
Which configuration keyword ensures that all in－progress sessions are re－evaluated upon committing a security policy change?()
A. policy-rematchB. policy-evaluateC. rematch-policyD. evaluate-policy
考题
ABGProuterhasthefollowingconfiguration：protocols{bgp{export[policy-1policy-2policy-3]；}}policy-options{policy-statementpolicy-2{termget-statics{fromprotocolstatic；thenaccept；}termreject-all{thenreject；}}policy-statementpolicy-1{termget-aggregate{fromprotocolaggregate；thenaccept；}termreject-all{thenreject；}}policy-statementpolicy-3{termget-ospf{fromprotocolospf；thenaccept；}termreject-all{thenreject；}}}Whichpolicytermisevaluatedfirstwhenexportingroutes？（）
考题
以下程序段的输出结果为( )。 int j=2 switch (j){ Case 2： system.out.print("two.")： Case 2+1： System.out.println("three.")； break： default: System.out.println (“value is”+j): Break }A.B.twoA．two.three.B．twoC．threeD．value is 2
考题
WhichofthefollowingareassociatedwiththeapplicationlayeroftheOSImodel?(two.)()
A.pingB.TelnetC.FTPD.TCPE.IP
考题
某全国连锁企业的总部和分布在全国各地的30家分公司之间经常需要传输各种内部数据，因此公司决定在总部和各分公司之间建立VPN技术。具体拓扑如下：配置部分只显示了与总部与分公司1的配置。根据拓扑完成问题1-问题3。
[问题1]（3分）：在总部与分公司之间相连的VPN方式是（1），在IPsec工作模式中有传输模式和隧道模式，其中将源IP数据包整体封装后再进行传输的模式是（2）.1备选答案：A.站点到站点 B.端到端C.端到站点[问题2]（13分）：请将相关配置补充完整。总部防火墙firewall1的部分配置如下。 （3）[FIREWALL1] interface（4）[FIREWALL1-GigabitEthernet1/0/2] ip address （5）[FIREWALL1-GigabitEthernet1/0/2] quit[FIREWALL1] interface GigabitEthernet 1/0/1[FIREWALL1-GigabitEthernet1/0/1] ip address 202.1.3.1 24[FIREWALL1-GigabitEthernet1/0/1] quit# 配置接口加入相应的安全区域。[FIREWALL1] firewall zone trust [FIREWALL1-zone-trust] add interface （6）[FIREWALL1-zone-trust] quit[FIREWALL1]（7）[FIREWALL1-zone-untrust] add interface GigabitEthernet 1/0/1[FIREWALL1-zone-untrust] quit2. 配置安全策略，允许私网指定网段进行报文交互。# 配置Trust域与Untrust域的安全策略，允许封装前和解封后的报文能通过[FIREWALL1]（8）[FIREWALL1-policy-security] rule name 1[FIREWALL1-policy-security-rule-1] source-zone （9）[FIREWALL1-policy-security-rule-1] destination-zone untrust[FIREWALL1-policy-security-rule-1] source-address （10）[FIREWALL1-policy-security-rule-1] destination-address 192.168.200.0 24[FIREWALL1-policy-security-rule-1] action （11）[FIREWALL1-policy-security-rule-1] quit…..# 配置Local域与Untrust域的安全策略，允许IKE协商报文能正常通过FIREWALL1。[FIREWALL1-policy-security] rule name 3[FIREWALL1-policy-security-rule-3] source-zone local[FIREWALL1-policy-security-rule-3] destination-zone untrust[FIREWALL1-policy-security-rule-3] source-address 202.1.3.1 32[FIREWALL1-policy-security-rule-3] destination-address 202.1.5.1 32[FIREWALL1-policy-security-rule-3] action permit[FIREWALL1-policy-security-rule-3] quit…3. 配置IPSec隧道。# 配置访问控制列表，定义需要保护的数据流。[FIREWALL1] (12)[FIREWALL1-acl-adv-3000] rule permit (13)[FIREWALL1-acl-adv-3000] quit# 配置名称为tran1的IPSec安全提议。[FIREWALL1] ipsec proposal tran1[FIREWALL1-ipsec-proposal-tran1] encapsulation-mode (14)[FIREWALL1-ipsec-proposal-tran1] transform esp[FIREWALL1-ipsec-proposal-tran1] esp authentication-algorithm sha2-256[FIREWALL1-ipsec-proposal-tran1] esp encryption-algorithm aes[FIREWALL1-ipsec-proposal-tran1] quit# 配置序号为10的IKE安全提议。[FIREWALL1] (15)[FIREWALL1-ike-proposal-10] authentication-method pre-share[FIREWALL1-ike-proposal-10] authentication-algorithm sha2-256[FIREWALL1-ike-proposal-10] quit# 配置IKE用户信息表。[FIREWALL1] ike user-table 1[FIREWALL1-ike-user-table-1] user id-type ip 202.1.5.1 pre-shared-key Admin@gkys[FIREWALL1-ike-user-table-1] quit# 配置IKE Peer。[FIREWALL1] ike peer b[FIREWALL1-ike-peer-b] ike-proposal 10[FIREWALL1-ike-peer-b] user-table 1[FIREWALL1-ike-peer-b] quit# 配置名称为map_temp序号为1的IPSec安全策略模板。[FIREWALL1] ipsec policy-template map_temp 1[FIREWALL1-ipsec-policy-template-map_temp-1] security acl 3000[FIREWALL1-ipsec-policy-template-map_temp-1] proposal tran1[FIREWALL1-ipsec-policy-template-map_temp-1] ike-peer b[FIREWALL1-ipsec-policy-template-map_temp-1] reverse-route enable[FIREWALL1-ipsec-policy-template-map_temp-1] quit# 在IPSec安全策略map1中引用安全策略模板map_temp。[FIREWALL1] ipsec policy map1 10 isakmp template map_temp# 在接口GigabitEthernet 1/0/1上应用安全策略map1。[FIREWALL1] interface GigabitEthernet 1/0/1[FIREWALL1-GigabitEthernet1/0/1] ipsec policy map1[FIREWALL1-GigabitEthernet1/0/1] quit [问题3]IPsec中，通过一些协议的处理，可以有效的保护分组安全传输。其中能够确保数据完整性，但是不能确保数据机密性的是（17），而技能报数数据传输的机密性又能保证数据完整性的是（18）
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