10.6 Chapter 10 Setting Connection and Network PreferencesTo delete a service template:1. Tap the Service pick list.2. Tap the service template you want to delete.3. Tap the Menu icon.4. Tap Service, and then tap Delete.5. Tap OK.Entering DNS Numbers and IP AddressesThe Internet uses the Domain Naming System (DNS) to translate the names of host computers into IP addresses. A DNS number(or IP address) identifies a specific server that handles the translation services. Each DNS or IP address is a series of four numbers,from 0 to 255, separated by periods.Anyone who logs onto the Internet must have a unique identifier—an IP address. This IP address can be either temporary—assigned automatically each time you log on—or permanent.Not all systems require that you enter a DNS number; check whether it is with your system administrator. If a DNS number isrequired but not entered, logging on to your network may appear successful. However, the connection will fail if you try to use anapplication or look up information.To specify a primary and secondary DNS number:1. If your system requires DNS numbers, ask your Internet Service Provider or system administrator whether your systemrequires DNS numbers, and if so, what they are.NOTE: Many systems do not require that you enter a DNS.2. In the Network Preferences screen with a service template selected, tap Details.3. Tap the Query DNS check box to deselect it.4. Choose one of the following options:• If your system does not require a DNS or you are not sure whether it does, leave the DNS field blank.• To enter the Primary DNS number, tap the space to the left of the first period in the Primary DNS field and enter thefirst section of the IP address using a number only, from 0 to 255; repeat the step for the remaining sections of thefield. Use the same technique to enter the Secondary DNS number.To specify the IP address:1. Check with your system administrator whether your IP address is automatically (temporarily), or permanently as-signed, and if permanent, get the address.2. In the Network Preferences screen, with a service template selected, tap Details.3. Choose one of the following options:• If your IP address is automatic and temporary, make sure that the IP Address check box is selected.• If your IP address is permanently assigned, tap the IP Address check box to deselect it. In the permanent IP ad-dress field, tap the space to the left of the first period, and enter the first section of the IP address using a numberonly, from 0 to 255. Repeat the step for the remaining sections of the field.4. Tap OK.Setting Network Preferences