An administrator must assign static IP addresses to the serv

第1题：

How does a DHCP server dynamically assign IP addresses to hosts?（）

• A、Addresses are permanently assigned so that the host uses the same address at all times.
• B、Addresses are assigned for a fixed period of time. At the end of the period, a new request for an address must be made, and another address is then assigned.
• C、Addresses are leased to hosts. A host will usually keep the same address by periodically contacting the DHCP server to renew the lease.
• D、Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.

第2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

第3题：

第4题：

You are a systems administrator and you are about to assign static IP addresses to various servers on your network. For the network 192.168.20.24/29 the router is assigned to the first usable host address, while the last usable host address goes to your Sales server. Which one of the following commands would you enter into the IP properties box of 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

第5题：

At boot time， which of the following services utilizes a central server to assign IP addresses to a host？（）

• A、LDAP
• B、bootp
• C、DHCP
• D、bind

第6题：

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.

第7题：

An administrator is concerned about users utilizing the company's wireless signal with their personal laptops. Which of the following is the BEST method to use to prevent unauthorized devices from using the company's wireless network?（）

• A、Secure VPN
• B、MAC filtering
• C、IP filtering
• D、Static IP addresses

第8题：

Which remote access VPN addressing technique supports a static IP address to support a specific application？（）

• A、 Use a static ip addresses based on incoming user policies.
• B、 Use DHCP to assign addresses based on incoming user policies.
• C、 Deploy a clientless model to assign a unique address to the user.
• D、 Deploy RADIUS or LDAP to assign the address to the user.

第9题：

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 running configuration.
• 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.

第10题：

How dose a DHCP server dynamically assign IP address to host?（）

• A、Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.
• B、Addresses are assigned for a fixed period of time.At the end of period,a newquest for an address must be made,and another address is then assigned.
• C、Addresses are leased to host.A host will usually keep the same address by periodically contacting the DHCP sever to renew the lease.
• D、Addresses are permanently assigned so that the host uses the same address at all times.