A standard IP access list is applied to an Ethernet interface of a router. What does this standard access list filter on?（）

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• 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 any B . 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 C . 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 any D . 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 any E . 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 any F . 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

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• What are two reasons that a network administrator would use access lists? (Choose two.) （）。

  A . to control vty access into a router   B . to control broadcast traffic through a router   C . to filter traffic as it passes through a router   D . to filter traffic that originates from the router   E . to replace passwords as a line of defense against security incursions&e

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• Which single access list statement will combine all four of these statements into a single statement that will have exactly the same effect（）。

  A . access-list 10 permit 172.29.16.0 0.0.0.255 B . access-list 10 permit 172.29.16.0 0.0.1.255 C . access-list 10 permit 172.29.16.0 0.0.3.255 D . access-list 10 permit 172.29.16.0 0.0.15.255 E . access-list 10 permit 172.29.0.0 0.0.255.255

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• What is true of standard access control lists when applied to an interface to control inbound or outbound traffic？（）

  A . The best match of the ACL entries will be used for granularity of control. B . They use source IP information for matching operations. C . They use source and destination IP information for matching operations. D . They use source IP information along with protocol-type information for finer granularity of control.

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• Which of the following commands would successfully implement an access list on a routers virtual terminal line?（）

  A . RouterTK(config-line)# access-class 10 in B . RouterTK(config-if)# ip access-class 23 out C . RouterTK(config-line)# access-list 150 in D . RouterTK(config-if)# ip access-list 128 out E . RouterTK(config-line)# access-group 15 out F . RouterTK(config-if)# ip access-group 110 i

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• 访问控制列表access-list 100 deny ip10.1.10.100.0.255.255 any eq80的含义是：（）

  A . A、规则序列号是100，禁止到10.1.10.10主机的telnet访问 B . B、规则序列号是100，禁止到10.1.0.0/16网段的www访问 C . C、规则序列号是100，禁止从10.1.0.0/16网段来的www访问 D . D、规则序列号是100，禁止从10.1.10.10主机来的rlogin访问

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• The following configuration line was added to router R1 Access-list 101 permit ip 10.25.30.0 0.0.0.255 any What is the effect of this access list configuration?（）

  A . permit all packets matching the first three octets of the source address to all destinations B . permit all packet matching the last octet of the destination address and accept all source addresses C . permit all packet matching the host bits in the source address to all destinations D . permit all packet from the third subnet of the network address to all destinatio

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• You are a technician at TestKing. Your assistant applied an IP access control list to Router TK1. You want to check the placement and direction of the access control list.Which command should you use?（）

  A . show access-list B . show ip access-list C . show ip interface D . show interface E . show interface list

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• 标准IP访问表的基本格式为：access-list[listnumber][permitdeny][host/any][sourceaddress][wildcard-ask][log]，其中wi1dcardmask表示（）。

  A . 源地址 B . 表号范围 C . 通配符屏蔽码 D . 子网掩码

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• A JavaBeans component has the following field： 11. private boolean enabled； Which two pairs of method declarations follow the JavaBeans standard for accessing this field？（） https://assets.asklib.com/images/image2/201808011600242968.jpg

  A . A B . B C . C D . D

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• Which command is used to display the placement and direction of an IP access control list on a router?（）

  A . show access-list B . show ip route C . show ip interface D . show interface E . show interface list F . show ip interface brief

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• What is the effect of the following access list condition access-list 101 permit ip 10.25.30.0 0.0.0.255 any（）。

  A . permit all packets matching the first three octets of the source address to all destinations B . permit all packets matching the last octet of the destination address and accept all source addresses C . permit all packets from the third subnet of the network address to all destinations D . permit all packets matching the host bits in the source address to all destinations E . permit all packets to destinations matching the first three octets in the destination addre

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• What are two reasons that a network administrator would use access lists (Choose two.)（）。

  A . to control vty access into a router B . to control broadcast traffic through a router C . to filter traffic as it passes through a router D . to filter traffic that originates from the router E . to replace passwords as a line of defense against security incursio

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• 访问控制列表access-list 100 permit ip129.38.1.10.0.255.255202.38.5.20的含义是（）

  A . A、允许主机129.38.1.1访问主机202.38.5.2 B . B、允许129.38.0.0的网络访问202.38.0.0的网络 C . C、允许主机202.38.5.2访问网络129.38.0.0 D . D、允许129.38.0.0的网络访问主机202.38.5.2

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• A network administrator has configured access list 172 to prevent Telnet and ICMP traffic from reaching a server with the address if 192.168.13.26. Which command can the administrator issue to verify that the access list is working properly?（）

  A . Router# ping 192.168.13.26 B . Router# debug access-list 172 C . Router# show open ports 192.168.13.26 D . Router# show access-list E . Router# show ip interface

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• 访问控制列表access-list 100 permit ip 129.38.1.1 0.0.255.255 202.38.5.2 0的含义是（）

  A . 允许主机129.38.1.1访问主机202.38.5.2 B . 允许129.38.0.0的网络访问202.38.0.0的网络 C . 允许主机202.38.5.2访问网络129.38.0.0 D . 允许129.38.0.0的网络访问主机202.38.5.2

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• Which one of the following commands will display the placement and direction of an IP access control list on the interfaces of a router?（）

  A . show interface list B . show ip route C . show ip interface D . show ip interface brief E . show interface

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• On a newly installed router, the following access list is added to the HSSI interface for incoming traffic:Access-list 101 permit tcp any 10.18.10.0 0.0.0.255 eq tcp What is the effect of the "any" keyword in the above access list?（）

  A . check any of the bits in the source address B . permit any wildcard mask for the address C . accept any source address D . check any bit in the destination address E . permit 255.255.255.255 0.0.0.0 F . accept any destinatio

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• What is the effect of the following access list condition?  access-list 101 permit ip 10.25.30.0 0.0.0.255 any（）。

  A . permit all packets matching the first three octets of the source address to all destinations B . permit all packets matching the last octet of the destination address and accept all source addresses C . permit all packets from the third subnet of the network address to all destinations D . permit all packets matching the host bits in the source address to all destinations E . permit all packets to destinations matching the first three octets in the destination addre

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• A JavaBeans component has the following field：  11. private boolean enabled；  Which two pairs of method declarations follow the JavaBeans standard for accessing this field？（）

  A .  public void setEnabled（ boolean enabled） public boolean getEnabled（） B .  public void setEnabled（ boolean enabled） public void isEnabled（） C .  public void setEnabled（ boolean enabled） public boolean isEnabled（） D .  public boolean setEnabled（ boolean enabled） public boolean getEnabled（）

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• ip access—list命令使用——标识IP访问控制列表。

  A．表号 B．名字 C．名字和表号 D．IP地址

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• 14、在路由器上配置如下命令，并将此规则应用在接口上，下列说法正确的是（）。 Access-list 100 deny icmp 10.1.0.0 0.0.255.255 any host-redirect Access-list 100 deny tcp any 10.2.1.2. 0.0.0.0 eq 23 Access-list 100 permit ip any any

  A．禁止 从 10.1.0.0 网段发来的 ICMP的主机 重定向 报文通过 B．禁止 所有用 户远程登录 到 10.2.1.2 主机 C．允许所 有的数据包通过 D．以上说法 均不正确

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