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单选题An AIX server is configured with a static IP address but the system administrator wants the server to give out IP addresses for clients who want to use the dynamic host configuration protocol instead of static IP addresses.How is this accomplished？（）A

题目
单选题
An AIX server is configured with a static IP address but the system administrator wants the server to give out IP addresses for clients who want to use the dynamic host configuration protocol instead of static IP addresses.How is this accomplished？（）
A

Use SMIT to have the server use DHCP instead of a static address

B

Edit /etc/rc.tcpip and start the dhcpsd daemon

C

Use the network options command to enable ipforwarding

D

Edit /etc/rc.net to set network options back to default

参考答案和解析
正确答案： C
解析： 暂无解析
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相似问题和答案

第1题：

An administrator must assign static IP addresses to the servers in a network.For network 192.168.20.24/29, the router is assigned the first usable host address while the sales server is given the last usable host address. Which of the following should be entered into the IP propertied box for the sales server?（）

A. IP address:192.168.20.14 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.9

B. IP address:192.168.20.254 Subnet Mask:255.255.255.0 Default Gateway:192.168.20.1

C. IP address:192.168.20.30 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.25

D. IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.17

E. IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.25


参考答案：C

第2题：

Which two tasks does the Dynamic Host Configuration Protocol perform?()

A. Set the IP gateway to be used by the network.

B. Perform host discovery used DHCPDISCOVER message.

C. Configure IP address parameters from DHCP server to a host.

D. Provide an easy management of layer 3 devices.

E. Monitor IP performance using the DHCP server.

F. Assign and renew IP address from the default pool.


参考答案：C, F

第3题：

The Ezonexam network administrator wants to ensure that only a single web server can connect to pot Fa0/1 on a catalyst switch. The server is plugged into the switch's Fast Eth. 0/1 port and the network administrator is about to bring the server online. What can the administrator do to ensure that only the MAC address of this server is allowed by switch port Fa0/1? (Choose two)

A．Configure port Fa0/1 to accept connections only from the static IP address of the server

B．Configure the MAC address of the server as a static entry associated with port Fa0/1

C．Employ a proprietary connector type on Fa0/1 that is incomputable with other host connectors

D．Configure port security on Fa0/1 to reject traffic with a source MAC address other than that of the server

E．Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address


正确答案：BD
解析：Explanation:
You can use port security to block input to an Ethernet, Fast Ethernet, or Gigabit Ethernet port when the MAC address of the station attempting to access the port is different from any of the MAC addresses specified for that port.

When a secure port receives a packet, the source MAC address of the packet is compared to the list of secure source addresses that were manually configured or autoconfigured (learned) on the port. If a MAC address of a device attached to the port differs from the list of secure addresses, the port either shuts down permanently (default mode), shuts down for the time you have specified, or drops incoming packets from the insecure host.

The port's behavior. depends on how you configure it to respond to a security violation. When a security violation occurs, the Link LED for that port turns orange, and a link-down trap is sent to the Simple Network Management Protocol (SNMP) manager. An SNMP trap is not sent if you configure the port for restrictive violation mode. A trap is sent only if you configure the port to shut down during a security violation.

第4题：

When a DHCP server is configured, which two IP addresses should never be assignable to hosts? （）

  • A、network or subnetwork IP address
  • B、broadcast address on the network
  • C、IP address leased to the LAN
  • D、IP address used by the interfaces
  • E、manually assigned address to the clients
  • F、designated IP address to the DHCP server

正确答案:A,B

第5题：

The Dynamic Host Configuration Protocol provides configuration parameters to Internet（ ）.DHCP consists of two components:a（ ）for delivering host-specifie configuration parameters from a DHCP server to a host and a mechanism for allocation of network addresses to hosts.DHCP is built on a client-server model,where designated DHCP server hosts allocate network addresses and deliver（ ）parameters to dynamically configured hosts.DHCP supports three mechanisms for IP address allocation.In“automatic allocation”,DHCP assigns a（ ）IP address to client.In“dynamic allocation”,DHCP assigns an IP address to a client for a limited period of time.In“manual allocation”,a client’s IP address is assigned by the network（本题）,and DHCP is used simply to convey the assigned address to the client.

A.controller
B.user
C.host
D.administrator

答案：B
解析：

第6题：

A network administrator wants to ensure that only the server can connect to port Fa0/1 on a Catalyst switch. The server is plugged into the switch Fa0/1 port and the network administrator is about to bring the server online. What can the administrator do to ensure that only the MAC address of the server is allowed by switch port Fa0/1?（）

A. Configure port Fa0/1 to accept connections only from the static IP address of the server.

B. Employ a proprietary connector type on Fa0/1 that is incompatible with other host connectors.

C. Configure the MAC address of the server as a static entry associated with port Fa0/1.

D. Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address.

E. Configure port security on Fa0/1 to reject traffic with a source MAC address other than that of the server.

F. Configure an access list on the switch to deny server traffic from entering any port other than Fa0/1.


参考答案：C, E

第7题：

The Dynamic Host Configuration Protocol provides configuration parameters to Internet（ ）.DHCP consists of two components:a（ ）for delivering host-specifie configuration parameters from a DHCP server to a host and a mechanism for allocation of network addresses to hosts.DHCP is built on a client-server model,where designated DHCP server hosts allocate network addresses and deliver（ ）parameters to dynamically configured hosts.DHCP supports three mechanisms for IP address allocation.In“automatic allocation”,DHCP assigns a（本题）IP address to client.In“dynamic allocation”,DHCP assigns an IP address to a client for a limited period of time.In“manual allocation”,a client’s IP address is assigned by the network（ ）,and DHCP is used simply to convey the assigned address to the client.

A.permanent
B.dynamic
C.connection
D.session

答案：B
解析：

第8题：

The Dynamic Host Configuration Protocol provides configuration parameters to Intemet （ ）. DHCP consists of two components: a （ ） for delivering host-specific configuration parameters from a DHCP server to a host and a mechanism for allocation of network addresses to hosts. DHCP is built on a client-server model, where designated DHCP server hosts allocate network addresses and deliver （ ） parameters to dynamically configured hosts. DHCP supports three mechanisms for IP address allocation. In "automatic allocation", DHCP assigns a （ ） IP address to a client. In "dynamic allocation", DHCP assigns an IP address to a client for a limited period of time. In "manual allocation", a client&39;s IP address is assigned by the network （ ）, and DHCP is used simply to convey the assitped address to the client.

A.switchB.termmalC.hostsD.usersA.routerB.protocolC.hostD.mechanismA.controlB.broadcastC.configurationD.transmissionA.permanentB.dynamicC.cormectionD.sessionA.controllerB.userC.hostD.administrator


正确答案：C,B,C,A,D

第9题：

your company uses DHCP to lease IPv4 addresses to computers at the main office. A WAN link connects the main office to a branch office. All computers in the branch office are configured with static ip addresses. The branch office does not use DHCP and uses a different subnet. You need to ensure that the portable computers can connect to network resources at the main office and the branch office. How should you configure each portable computer?（）

  • A、Use a static IPv4 address in the range used at the branch office.
  • B、Use a alternate configuration that contains a static IP address in the range used at the main office.
  • C、Use the address that was assigned by DHCP as a static IP address.
  • D、Use an altermate configuration that contains a static IP address in the range used at the branch office.

正确答案:D

第10题：

A database administrator wants a unique IP address for each of three instances of a database.  Normally，all instances run on a large production node，but they may fallover to different standby nodes according to the dynamic node priority configuration.  What is the best way to obtain unique addresses for each of the three database instances？（）

  • A、 There is no way since this cannot be configured with HACMP
  • B、 Use IP Replacement address takeover and define all service addresses on the same NIC
  • C、 Use IP Aliasing for address takeover and define each alias in a separate resource group
  • D、 Use EtherChannel to map the three alias IP addresses to the common service address defined to HACMP

正确答案:C

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