ccna 200-301 exam date

ccna 200-301 exam date.Prefix Notation ) is a method of abbreviating a subnet mask by simply representing the number of binary ones in the mask in decimal. For example, /24 means that there are 24 binary 1's in the subnet mask. the number of bits in the mask that have a value of binary 1 is considered a prefix.PrimaryRateInterface (PRI) - An ISDN interface for base group rate access. The PRI consists of a 64 kbit/s D channel, plus 23 (T1) or 30 (E1) B channels, and can be used to transmit sound and data.Private Addresses ( PrivateAddress ) are reserved for some Class A, Class B and Class C networks for internal use by private organizations. These addresses have been defined by RFC 1981 and cannot be routed over the Internet.PrivateIPNetwork A classed IPv4 network number. This network is not assigned for use on the Internet, i.e., it is used within a separate enterprise.Private Key A cryptographic value that can be used by public or private key encryption systems. It can encrypt a value that is later decrypted using a matching public key, or decrypt a value that was previously encrypted by a matching public key.ProblemIsolation Part of the troubleshooting process in which the network administrator tries to eliminate possible causes of a problem, narrowing down the possible causes as much as possible until the root cause of the problem is found.Product activation key (PAK) This is the number assigned by Cisco during the IOS authentication process that gives Cisco users the right to enable IOS features on a particular series of routers for that customer (which was selected when the PAK was purchased).ProtocolType A field in the IP header that identifies the type of header that immediately follows the IP header, typically a Layer 4 header such as .TCP or UDP. The ACL matches the packet with a specific value in this field by examining the protocol type.Public Key A cryptographic value that can be used by public or private key encryption systems. It can encrypt a value that is later decrypted by a matching private key, or decrypt a value that was previously encrypted by a matching private key.PVC See permanentvirtual circuito