cisco exam dumps forums

cisco exam dumps forums.Clause 25 09 FB 22 F7 67 IAEA 2D0A28AE80 61 6F39 0DE0CA21 MR6 68 42 3D 55 EA 27 DO B4 FD A1 87 8F CA B7 A1 E8Figure 6-7 Digital certificate for the website example.orgIn the digital certificate shown in Figure 6-7, you can see the CRL (CertificateRevocation List) DistributionPointsURL extension (extension) and other extensions, for example, CertificateAuthorityInformation Access (CertificateAuthorityInformation Access) and Online Certificate Status Protocol (OCSP) URLONow, back to the example discussed earlier. Batman and Robin can receive and verify each other's (and countless other people's) certificates of identity as long as the certificate "bears" the signature of a third-party certificate authority (CA) that both Batman and Robin trust. Commercial CAs charge a fee for issuing and maintaining digital certificates. One of the benefits of having a device obtain a digital certificate through a commercial CA server is that most Web browsers maintain a list of the more commonly used trusted public CA servers, and by default, anyone using the Web browser can verify the identity of the Web server to be accessed without having to modify any configuration of the Web browser. If an organization wants to set up an internal CA for its own use and configure each end device to trust the certificate issued by that CA, it does not need to rely on a commercial certificate authority, but the scope of that CA is limited to devices on the organization's internal network because, by default, no device outside the organization's internal network can trust the internal CAO308 Chapter 6 Cryptography and Public Key Infrastructure ( PKI ) Basics6.3.4 Root Certificates and Certificates of Identity A digital certificate can be thought of as an electronic file that identifies a device or a person. It includes a variety of information, for example, the name or title of the person or entity, the address, and the public key of the person or device. There are various types of certificates, including root certificates (which identify CAs) and identity certificates (which identify servers and other devices participating in PKI).1. root certificate (Root Certificate) U. The backup volume root certificate contains the public key of the CA server and other details related to the CA server. A root certificate is shown in Figure 6-8.The output shown in Figure 6.8 can be seen by accessing most Web browsers, except that the exact location of the information contained in the certificate may vary slightly (depending on the type and version of browser). The following shows the content associated with the root certificate.Serial Number: assigned and tracked by the CA that issued the certificate.Issuer: The CA that issued the certificate (even the root certificate needs to be issued by someone, even if the issuer is the CA itself.)