仅仅允许到主机1.1.1.1的SMTP邮件服务的命令是()。A、access-list 10 permit smtp host 1.1.1.1B、access-list 110 permit ip smtp host 1.1.1.1C、access-list 10 permit tcp any host 1.1.1.1 eq smtpD、access-list 110 permit tcp any host 1.1.1.1 eq smtp

仅仅允许到主机1.1.1.1的SMTP邮件服务的命令是()。

  • A、access-list 10 permit smtp host 1.1.1.1
  • B、access-list 110 permit ip smtp host 1.1.1.1
  • C、access-list 10 permit tcp any host 1.1.1.1 eq smtp
  • D、access-list 110 permit tcp any host 1.1.1.1 eq smtp

相关考题:

在Cisco路由器上,用扩展访问控制列表封禁IP地址为211.102.33.24的主机,正确的配置语句是______。A.access-list 99 deny ip host 211.102.33.24 any access-list 99 deny ip any host 211.102.33.24 access-list 99 permit ip any anyB.access-list 100 permit ip any any access-list 100 deny ip host 211.102.33.24 any access-list 100 deny ip any host 211.102.33.24C.access-list 199 deny ip host 211.102-33.24 any access-list 199 deny ip any host 211.102.33.24 access-list 199 permit ip any anyD.access-list 166 deny ip host 211.102.33.24 any access-list 166 permit ip any any

拒绝转发所有IP地址进与出方向的、端口号为1434的UDP和端口号为4444的TCP数据包,下列正确的access-list配置是A)Router (config)#access-list 30 deny udp any any eq 1434Router (config)#access-list 30 deny tcp any any eq 4444Router (config)#access-list 30 permit ip any anyB)Router (config)#access-list 130 deny udp any any eq 1434Router (config)#access-list 130 deny tcp any any eq 4444Router (config)#access-list 130 permit ip any anyC)Router (config)#access-list 110 deny any any udp eq 1434Router (config)#access-list 110 deny any any tcp eq 4444Router (config)#access-list 110 permit ip any anyD)Router (config)#access-list 150 deny udp ep 1434 any anyRouter (config)#access-list 150 deny tcp ep 4444 any anyRouter (config)#access-list 150 permit ip any any

● 以下 ACL 语句中,含义为“允许 172.168.0.0/24 网段所有 PC 访问 10.1.0.10 中的FTP 服务”的是(42) 。(42)A. access-list 101 deny tcp 172.168.0.0 0.0.0.255 host 10.1.0.10 eq ftpB. access-list 101 permit tcp 172.168.0.0 0.0.0.255 host 10.1.0.10 eq ftpC. access-list 101 deny tcp host 10.1.0.10 172.168.0.0 0.0.0.255 eq ftpD. access-list 101 permit tcp host 10.1.0.10 172.168.0.0 0.0.0.255 eq ftp

( 22 )只封禁一台地址为 193.62.40.230 主机的 access-list 的正确配置是A ) access-list 110 permit ip any anyaccess-list 110 deny ip host 193.62.40.230 anyaccess-list 110 deny ip any host 193.62.40.230B ) access-list 110 deny ip host 193.62.40.230 anyaccess-list 110 deny ip any host 193.62.40.230access-list 110 permit ip any anyC ) access-list 110 deny ip host 193.62.40.230 anyaccess-list 110 deny ip any host 193.62.40.230D ) access-list 110 deny ip host 193.62.40.230 anyaccess-list 110 permit ip any anyaccess-list 110 deny ip any host 193.62.40.230

在 Cisco 路由器匕用扩展访问控制列表封禁 1P 地址为 211.102.33.24 的主机,正确的配置语句是A )access-list 99 deny ip host 211.102.33.24 anyaccess-list 99 deny ip any host 211.102.33.24access-list 99 permit ip any anyB )access-list 100 permit ip any anyaccess-list 100 deny ip host 211.102.33.24 anyaccess-list 100 deny ip any host 211.102.33.24C )access-list 199 deny ip host 211.102.33.24 anyaccess-list 199 deny ip any host 211.102.33.24access-list 199 permit ip any anyD )access-list 166 deny ip host 211.102.33.24 anyaccess-list 166 permit ip any any

只封禁一台IP地址为203.168.47.59主机的access-list的正确配置是(41) 。A.access-list 110permit ip any any access-list 110deny ip host 203.168.47.59 any access-list 110deny ip any host 203.168.47.59B.access-list 110deny ip host 203.168.47.59any access-list 110deny ip any host 203.168.47.59 access-list 110permit ip any anyC.access-list 110deny ip host 203.168.47.59 any access-list 110deny ip any host 203.168.47.59D.access-list 110deny ip host 203.168.47.59 any access-list 110permit ip any any access-list 110deny ip any host 203.168.47.59

只封禁一台地址为192.168.1.230主机的access-list正确配置是 (5) 。 A.access-list 110 permit中anyany access-list 110 deny中host 192.168.1.230 any access-list 110 deny ip anyhost 192.168.1.230B.access-list 110 deny中host 192.168.1.230 any access-list 110 deny中any host 192.168.1.230 access-list 110 permit ip anyanyC.access-list 110 deny ip host 192.168.1.230 any access-list 110 deny ip any host 192.168.1.230D.access-list 110 deny ip host 192.168.1.230 any access-list 110 permit ip anyany access-list 110 deny ip any host 192.168.1.230

下面是在防火墙中的部分配置命令,请解释其含义:global(outside)1 202.134.135.98-202.134.135.100(8)conduit permit tcp host 202.134.135.99 eq www any(9)access-list 10 permit ip any any(10)

A network administrator wants to add a line to an access list that will block only Telnet access by the hosts on subnet 192.168.1.128/28 to the server at 192.168.1.5. What command should be issued to accomplish this task?()A.access-list 101 deny tcp 192.168.1.128 0.0.0.15 192.168.1.5 0.0.0.0 eq 23 access-list 101 permit ip any anyB.access-list 101 deny tcp 192.168.1.128 0.0.0.240 192.168.1.5 0.0.0.0 eq 23 access-list 101 permit ip any anyC.access-list 1 deny tcp 192.168.1.128 0.0.0.255 192.168.1.5 0.0.0.0 eq 21 access-list 1 permit ip any anyD.access-list 1 deny tcp 192.168.1.128 0.0.0.15 host 192.168.1.5 eq 23 access-list 1 permit ip any any

只封禁一台地址为193.62.40.230主机的access-list的正确配置是A.access-list 110 permit ip any any access-list 110 deny ip host 193.62.40.230 any access-list 110 deny ip any host 193.62.40.230B.access-list 110 deny ip host 193.62.40.230any access-list 110 deny ip any host 193.62.40.230 access-list 110 permit ip any anyC.access-list 110 deny ip host 193.62.40.230 any access-list 110 deny ip any host 193.62.40.230D.access-list 110 deny ip host 193.62.40.230 any access-list 110 permit ip any any access-list 110 deny ip any host 193.62.40.230

下面 ACL 语句中,准备表达“允许访问服务器 202.110.10.1 的 WWW 服务”的是()。 A. access-list 101 permit any 202.110.10.1B. access-list 101 permit tcp any host 202.110.10.1 eq wwwC. access-list 101 deny any 202.110.10.1D. access-list 101 deny tcp any host 202.110.10.1 eq www

计费服务器的ip地址在192.168.1.0/24子网内,为了保证计费服务器的安全,不允许任何用户telnet到该服务器,则需要配置的访问列表条目为:()A、access-list  11 deny  tcp 192.168.1.0   0.0.0.255 eq telnet/access-list 111 permit ip any anyB、access-list  111 deny  tcp any  192.168.1.0   eq telnet/access-list 111 permit ip any anyC、access-list  111 deny udp 192.168.1.0   0.0.0.255 eq telnet/access-list 111 permit ip any anyD、access-list  111 deny  tcp any  192.168.1.0   0.0.0.255 eq telnet/access-list 111 permit ip any any

要创建一个扩展命名访问控制列表cisco,仅允许HTTP流量进入网络196.15.7.0/24,下面命令是错误的有()。A、ip access-list extended cisco permit tcp any 196.15.7.0 0.0.0.255 eq wwwB、ip access-list extended cisco deny tcp any 196.15.7.0 eq wwwC、ip access-list extended cisco permit 196.15.7.0 0.0.0.255 eq wwwD、ip access-list extended cisco permit ip any 196.15.7.0 0.0.0.255E、ip access-list extended cisco permit www 196.15.7.0 0.0.0.255

仅允许HTTP流量进入网络196.15.7.0,下面命令错误的是()。A、access-list 100 permit tcp any 196.15.7.0 0.0.0.255 eq wwwB、access-list 10 deny tcp any 196.15.7.0 eq wwwC、access-list 100 permit 196.15.7.0 0.0.0.255 eq wwwD、access-list 110 permit ip any 196.15.7.0 0.0.0.255E、access-list 110 permit www 196.15.7.0 0.0.0.255

A network administrator wants to add a line to an access list that will block only Telnet access by the hosts on subnet 192.168.1.128/28 to the server at 192.168.1.5. What command should be issued to accomplish this task?()A、access-list 101 deny tcp 192.168.1.128 0.0.015 192.168.1.5 0.0.0.0 eq 23 access-list 101 permit ip any anyB、access-list 1 deny tcp 192.168.1.128 0.0.0.15 host 192.168.1.5 eq 23 access-list 1 permit ip any anyC、access-list 1 deny tcp 192.168.1.128 0.0.0.255 192.168.1.5 0.0.0.0 eq 21 access-list 1 permit ip any anyD、access-list 101 deny tcp 192.168.1.128 0.0.0.240 192.168.1.5 0.0.0.0 eq 23 access-list 101 permit ip any anyE、access-list 101 deny ip 192.168.1.128 0.0.0.240 192.158.1.5 0.0.0.0 eq 23 access-list 101 permit ip any anyF、access-list 101 deny ip 192.168.1.128 0.0.0.15 192.168.1.5 0.0.0.0 eq 23 access-list 101 permit ip any any

Which of the following IOS commands can detect whether the SQL slammer virus propagates in yournetworks?()A、access-list 100 permit any any udp eq 1434B、access-list 100 permit any any udp eq 1434 logC、access-list 110 permit any any udp eq 69D、access-list 110 permit any any udp eq 69 logE、None of above.

A network administrator wants to add a line to an access list that will block only Telnet access by the hosts on subnet 192.168.1.128/28 to the server at 192.168.1.5.What command should be issued to accomplish this task?()A、access-list 101 deny tcp192.168.1.1280.0.0.15192.168.1.50.0.0.0eq23 access-list 101 permit ip any anyB、access-list 101 deny tcp192.168.1.1280.0.0.240192.168.1.50.0.0.0eq23 access-list101permit ip any anyC、access-list 1 deny tcp192.168.1.1280.0.0.255192.168.1.50.0.0.0eq21 access-list1permit ip any anyD、access-list 1 deny tcp192.168.1.1280.0.0.15host192.168.1.5eq23 access-list1permit ip any any

Which item represents the standard IPACL?()A、access-list 50 deny 192.168.1.10.0.0.255B、access-list 110 permit ip any anyC、access-list 2500 deny tcp any host 192.168.1.1 eq22D、access-list 101 deny tcp any host 192.168.1.1

仅仅允许到主机1.1.1.1的SMTP邮件服务的命名访问控制列表语句是()。A、ip access-list standard cisco permit smtp host 1.1.1.1B、ip access-list extended cisco permit ip smtp host 1.1.1.1C、ip access-list standard cisco permit tcp any host 1.1.1.1 eq smtpD、ip access-list extended cisco permit tcp any host 1.1.1.1 eq smtp

哪个选项代表了标准的IP ACL?()A、 access-list 50 deny 192.168.1.1 0.0.0.255B、 access-list 110 permit ip any anyC、 access-list 2500 deny tcp any host 192.168.1.1 eq 22D、 access-list 101 deny tcp any host 192.168.1.1

Which item represents the standard IP ACL?()A、access-list 50 deny 192.168.1.1 0.0.0.255B、access-list 110 permit ip any anyC、access-list 2500 deny tcp any host 192.168.1.1 eq 22D、access-list 101 deny tcp any host 192.168.1.1

Which item represents the standard IP ACL?()A、access-list 50 deny 192.168.1.10.0.0.255B、access-list 110 permitip any anyC、access-list 2500 deny tcp any host 192.168.1.1eq22D、access-list 101 deny tcp any host 192.168.1.1

A network administrator wants to add a line to an access list that will block only Telnet access by the hosts on subnet 192.168.1.128/28 to the server at 192.168.1.5. What command should be issued to accomplish this task?()A、access-list 101 deny tcp 192.168.1.128 0.0.0.15 192.168.1.5 0.0.0.0 eq 23 access-list 101 permit ip any anyB、access-list 101 deny tcp 192.168.1.128 0.0.0.240 192.168.1.5 0.0.0.0 eq 23 access-list 101 permit ip any anyC、access-list 1 deny tcp 192.168.1.128 0.0.0.255 192.168.1.5 0.0.0.0 eq 21 access-list 1 permit ip any anyD、access-list 1 deny tcp 192.168.1.128 0.0.0.15 host 192.168.1.5 eq 23 access-list 1 permit ip any any

单选题哪个选项代表了标准的IP ACL?()A access-list 50 deny 192.168.1.1 0.0.0.255B access-list 110 permit ip any anyC access-list 2500 deny tcp any host 192.168.1.1 eq 22D access-list 101 deny tcp any host 192.168.1.1

单选题仅仅允许到主机1.1.1.1的SMTP邮件服务的命名访问控制列表语句是()。Aip access-list standard cisco permit smtp host 1.1.1.1Bip access-list extended cisco permit ip smtp host 1.1.1.1Cip access-list standard cisco permit tcp any host 1.1.1.1 eq smtpDip access-list extended cisco permit tcp any host 1.1.1.1 eq smtp

单选题A network administrator wants to add a line to an access list that will block only Telnet access by the hosts on subnet 192.168.1.128/28 to the server at 192.168.1.5. What command should be issued to accomplish this task?()Aaccess-list 101 deny tcp 192.168.1.128 0.0.015 192.168.1.5 0.0.0.0 eq 23 access-list 101 permit ip any anyBaccess-list 1 deny tcp 192.168.1.128 0.0.0.15 host 192.168.1.5 eq 23 access-list 1 permit ip any anyCaccess-list 1 deny tcp 192.168.1.128 0.0.0.255 192.168.1.5 0.0.0.0 eq 21 access-list 1 permit ip any anyDaccess-list 101 deny tcp 192.168.1.128 0.0.0.240 192.168.1.5 0.0.0.0 eq 23 access-list 101 permit ip any anyEaccess-list 101 deny ip 192.168.1.128 0.0.0.240 192.158.1.5 0.0.0.0 eq 23 access-list 101 permit ip any anyFaccess-list 101 deny ip 192.168.1.128 0.0.0.15 192.168.1.5 0.0.0.0 eq 23 access-list 101 permit ip any any

单选题仅仅允许到主机1.1.1.1的SMTP邮件服务的命令是()。Aaccess-list 10 permit smtp host 1.1.1.1Baccess-list 110 permit ip smtp host 1.1.1.1Caccess-list 10 permit tcp any host 1.1.1.1 eq smtpDaccess-list 110 permit tcp any host 1.1.1.1 eq smtp