A type of encryption where the same key is used to encrypt and decrypt the message. This differs from asymmetric (or public-key) encryption, which uses one key to encrypt a message and another to decrypt the message.
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54.95Cisco 830 Series ADSL over ISDN Ethernet Router, Clearance The Cisco 836 router has an integrated asymmetric digital subscriber line (ADSL) modem t...
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208.99The 851 Integrated Services Router is designed for small offices, the routers provide secure WAN connectivity in a single device.
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380.80Cisco 850 Series integrated services routers are fixed-configuration routers that support broadband cable and Asymmetric DSL ADSL over analog telephon...
