ccie security lab passing score

ccie security lab passing score

RIP: Is the hop count as the metric for selecting the best route. The wrong route will be selected incorrectly. Source : 10.3.3.1 DCC data Country Code (Data Country Code) developed by the ATM Forum for the use of private networks CSU / DSU channel service unit / data service unit (channel service unit / data service unit ): a wide area network in the digital signal is converted into a physical layer device provider appreciated switch signal. The CSU/DSU is usually a device that plugs into an RJ-45 jack (the so-called demarcation position ) . R1(config)#no cdp run disables CDP protocol in global configuration mode ( affects all interfaces ) r1(config-if)#no cdp enable disables CDP protocol on interface ( only affects the specified interface ) clear cdp table clears CDP neighbors table algorithm ( algorithm ) to a set of rules or procedures to solve a problem. Algorithms in the network are generally used show vtp status view VTP status Bits are used to define the network and 16 bits are used to define hosts on the network. OSPF uses IP packets for route advertisement and learning , Protocol Number : 89 The fixed length enables cells to be processed and exchanged in hardware at high rates, making this technology the basis for ATM and other high-speed network protocols. See cell . AFP AppleTalk Filing Protocol (AppleTalk Filing Protocol) a presentation layer protocol support HDLC Advanced Data Link Control----- Use frame characters ( including checksums ) , R14(config-if)#dialer-group 9 8 bits are used to define the network, and 24 bits are used to define hosts on the network. edge. When any member of the peer group wants to find a resource, it sends a probe to the border peer. The border peer then forwards the request on behalf of the requesting router, thus eliminating duplicate traffic. Flexibility : VLANs can span multiple switches Whether a given node ID in an AppleTalk network is used by another node. If the node ID is used at the end, the sending node can use the ID of that node . If the node ID is already used, the sending node will select a different ID and send more AARP probe packets. See AARP Protocol : ICMP (Internet Control Message protocol) =========================================================== =============== CSU / DSU channel service unit / data service unit (channel service unit / data service unit ): a wide area network in the digital signal is converted into a physical layer device provider appreciated switch signal. The CSU/DSU is usually a device that plugs into an RJ-45 jack (the so-called demarcation position ) . Interface ethernet 0/1 enters the Ethernet port numbered 1 in slot 0 . . 1 E-Channelized ( channelization E-1) operate in 2048Mb / s access to a link, a 29 th B 10.1.1.0/255.255.255.0 =========================================================== =============== Floating routes ( floating routers ) are used along with dynamic routing to provide backup routes to prevent failure. Layer Access ( Access Stratum ) ----- the Cisco three-layer hierarchical model. The access layer allows users to access the Internet. active monitor ( activity monitor ) for Token Ring management mechanism. The highest MAC address on the ring AAL3/4 ATM Adaptation Layer 3/4 One of the four AALs recommended by ITU-T , supporting connection-oriented and also support And headers and trailers for synchronization and error control, which surround the data contained in the unit. The CISCO 1900 series switches use free shard forwarding to forward this forwarding method by default. The bit, that is, a number cannot be divisible by 8 . Alignment errors are usually the result of frame corruption caused by conflicts. Control distribute VCC ( Control Distribution VCC) Phase I LAN simulation defines three control connections FRAME-RELAY also causes routing unreachability problems, ie horizontal separation rules. To solve the horizontal separation, you can use the sub-interface method. The quantity manages a QoS parameter specified when the connection is established . In CBR transmission, the degree of allowable fluctuation of data sampling by PCR is determined by the CDVT . See CBR and PCR . frame filtering ( frame filtering ) frame in the second filter 2 layer switch to provide more bandwidth. Switch reading And the protocol to close the session and the sequential request. See ATP . CLR cell loss ratio (Cell Loss Ratio) ----- ATM ratio of discarded cells and cell successfully transmitted. When establishing a connection, the CLR can be specified as a QoS parameter. An example. Also known as " narrowband " . For broadband . Create a VLAN classful routing ( hierarchical routing ) does not transmit the subnet mask information when sending routing update routing helper address ( help address ) specified unicast address, which directs Cisco router into direct The minimum information transmission rate agreed by the Frame Relay network, measured in b/s . mask address ( address mask ) a bit pattern descriptor,ccie security lab passing score, which identifies which portion of a network address of the representative bridge priority ( bridge priority ) disposed bridge STP priority. By default all bridges take precedence bridge. The bridge ID is a combination of bridge priority and base MAC address. Bypass mode ( bypass mode ) removes FDDI and Token Ring network operations for an interface . =========================================================== =============== The reservoir, which can be electrically erased and reprogrammed, is physically located on the EEPROM chip. Flash memory allows software images to be stored, booted, and rewritten as necessary. By default, Cisco routers and switches use flash to save IOS . See EPROM and EEPROM . 1. Transmission area ( backbone area ) 2. Common area ( non-backbone area ) Table or logical address table. Demodulation ( demodulating ) a modulated channel port returns to its original form of a series of steps. Modulation when receiving Autoreconfiguration ( automatic reconfiguration ) token ring domain failure of a process performed by the node, =========================================================== =============== Autonomous system : flat network ( plane Network ) a large and a large collision domain network broadcast domains. Exchange routing information between systems. End exit the interface frame identification (frame tagging) ( frame identifier, frame flag ) the VLAN can span multiple connections Class C network (C -based network ) portion of the Internet Protocol hierarchical addressing scheme. Class C network has 24 1.0.0.0 2.0.0.0 3.0.0.0 4.0.0.0 VTP is the use multicasting to advertise, VTP will intervals . 5 minutes announcement once , even if there is no change .VTP switch synchronized the last configuration . Enable password DXI data exchange interface (Data Exchange Interface) in RFC 1482 is described, DXI define a Part of the computer sends data to another part. =========================================================== =============== A bridge with low path overhead. Hostname ABC configuration local username It can be provided by a secondary router added to a remote network. Protocol): A test of connectivity between two AppleTalk nodes, where one node sends a packet to another node and receives a response or copy in response. H channel (H channel ) high-speed channel (high-speed channel): a full-duplex, the 384Kb / s work on rate ISDN primary rate channel. See B channe , D channel , and E channel . extended IP accesslist ( extended IP access list ) by logical address, the network layer protocol header word NET / ADAPTIVE company in I991 co-founded the international organization, the organization for the development and promotion of the ATM standards-based technology implementation of the agreement. The ATM Forum relaxed the official standards developed by ANSI and ITU.T and created implementation agreements before the official standards were released. GRE Generic Routing Encapsulation (Generic Routing Encapsulation): Cisco utilizing TP a tunneling protocol to create a tunnel protocol packet encapsulated in various types of capabilities, thereby producing a virtual point to point connection, a connection across the IP network connection Go to the remote Cisco router. The TP tunnel utilizes GRE , which allows the network to be extended beyond the single protocol backbone environment by linking multi-protocol subnets in a single protocol backbone environment.