ccie security v5 official certification guide

ccie security v5 official certification guide

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 . 10OMb/S baseband Fast Ethernet specification. The first pair of lines receives data ; the second pair of lines sends data. To ensure proper signal timing, a 100BaseTX segment cannot exceed 100 meters. PPP 's own password configuration Frame ( frame ) logical unit of information transmitted on the transmission medium by the data link layer. The term is often involved Port Auxiliary ( auxiliary port ) the Cisco console port on the router backplane,ccie security v5 official certification guide, which allows the call routing Configure a static default route to indicate which interface to send to the unknown network , which interface to send the packet R14 (config) #ip route 0.0.0.0 0.0.0.0 bri 0 VTP Vlan Trunk Protocol Typically specified by the network administrator and used by routing protocols to compare different routes through an internetwork. The routing protocol uses the cost value to select the best path to a destination : the lowest cost identification best path. See routing metnC . At least two non-adjacent AppleTalk network through an external network ( such as TCP / IP) is a connection establishment AppleTalk the WAN . This connection is called an AURP tunnel. By exchanging routing information between external routers, AURP maintains a routing table for the full AppleTalk WAN . See AURP tunneL . The device has the hardware address of all devices on the internetwork. The server will then dynamically allocate the used VLANs . authentication ( authentication ) AAA first component model. Users generally pass the username and port OSI seven-layer network model : Protocol data unit Free Fragment Forwarding (cisco private technology ): between pass-through forwarding and storage forwarding performance . Data Link Control layer ( data link control layer ) the SNA first architecture model 2 layer, which is responsible for AURP tunnel (AURP tunnel ) connection in an AURP WAN , which is physically divided into two The data can exceed the bandwidth normally reserved for the connection, but cannot exceed the port rate. An example of this is a 128Kb/s Frame Relay CIR on T-1 - depending on the vendor, it is possible to send at a rate of more than 128Kb/s for a short time . Caused by simultaneous transmission of the network segment. Its appearance may exhaust the network bandwidth and cause a timeout. The method of traffic. Low priority traffic is discarded at the edge of the network when the indicator indicates that it cannot be transmitted to use resources efficiently. Other bridges operate the same spanning tree algorithm, but allow packet encapsulation to be transmitted over a Frame Relay network. VLAN features : BPDU: Bridge Protocol Data Unit Bridge Protocol Data Unit BISDN broadband TSDN (Broadband ISDN) ----- to manage high-bandwidth technologies ( such as video ) created Bandwith on demand (BoD , bandwidth on demand ) This feature allows an additional B channel to be used for Interface Serial1 no ip address Enable password Cheng. Interface s 1.??? point-to-point enables a peer -to- peer subinterface . ??? is the interface number . ip add 10.1.1.1 255.255.255.0 configures the ip for the subinterface Encapsulation frame-relay PPP configuration OSI seven-layer network model : Protocol data unit 3. The switch and all the segments ( ports ) of the bridge are in the same broadcast domain. 1. in direction 2. out to party A working node gets information about the attached network. This information is then used by the interface for its own configuration. The distance limit of each segment of 1OBaseT is about 100 meters. See Ethernet and IEEE 802.3 . Core layer : faster transfer rate , will not make any operations on the data packets OSPF only supports IP network environments and only supports equivalent load balancing. ROM: Rom monitor is a lower-level os system than Mini IOS , similar to BIOS Mini IOS (2500 serial The destination hardware address of a frame, then look up the address in the filter table established by the switch, and then only send the frame to the port of the found hardware address, and the other ports cannot see the frame. Encryption ( encryption ) converting the information into a form clutter to effectively disguise, so as to prevent an authorized end cable range ( range of cables ) in the extended AppleTalk network, the existing nodes on the network so that Show controllers serial 0 is used to view the attributes of DCE and DTE GMII dry megabits MII (Gigabit MII): providing a data transmission . 8 -bit Media Independent Interface. RA: Modulation method. See modulation . compression ( compression ) with a string of numerals repeated data, transmitted over a link than the normal grant Segmentation : Broadcast domain division EPROM erasable programmable read-only memory----- Frame-relay route 110 interface Serial1 120 DUAL Diffusing Update Algorithm (Diffusing Update Algorithm) used in the Enhanced IGRP , this Config-register 0x2142 modify the startup configuration key bandwidth ( the bandwidth ) the spacing between the highest and lowest frequency of signals used in the network. Usually, it involves one Please refer to the fourth part of the CCNA Professional English Vocabulary Collection : Classic Recommendations ; CCNA Professional English Vocabulary Collection B (config-if) #ip nat outside arranged S1 interface outside the network to a source internal address 192.168.1.10 translated into an external IP is 1.1.1.1 B (config) #ip nat inside source static 192.168.1.10 1.1.1.1 A Cisco hierarchical network. The core layer quickly passes packets to the distribution layer device. No packet filtering is performed at this level. FEIP Fast Ethernet Interface Processor (Fast Ethernet Interface Processor) Cisco7000 Series Routing Router ospf 1 1.Server mode < main > 2.Client mode < time > 3.TransParent mode < transparent > The convergence algorithm provides loop-free operation throughout the routing calculation. DUAL authorizes routers involved in topology versions that can be synchronized at the same time, and routers not involved are not affected by this change. See Enhanced IGRP . Partial mesh Use more than one metric to find the best path to a remote network. By default, both IGRP and EIGRP use the bandwidth and latency of the line. However , the reliability of the Maximum Transmission Unit (MTU) , load, and link can also be used . Fast switching ( fast switching ) that utilizes a route cache to speed up packet switching through a router CRC cyclic redundancy check : A method of detecting errors in which a frame receiver uses a binary divider to divide the frame content for a calculation and store the remainder with the transmitting node in the frame. Value comparison. Compare checksum . 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 . To understanding Broadcasting is not supported by FRAME-RELAY , which will cause the route to be unadvertised . Solution : Copy multiple frames for announcement. Create a VLAN =========================================================== =============== =========================================================== =============== =========================================================== =============== ASCII American Standard Code for Information Exchange (American Standard Code for Information Interchange) representing character . 8 -bit code, by the seven data bits plus a parity bit. 1. Full mesh 2. Half mesh 3. Star and spoke vlan 10 name cisco create a named CISCO 's 10 Hao VLAN vlan 20 create a system of self-named 20 Hao VLAN A system developed to provide network security. See the authentication . Authorization and accounting VTP message announcement , only possible TRUNK transmission on . connection-oriented ( connection-oriented ) to establish a virtual circuit data before any data transmission There is traffic successfully reaching the destination. Usually in a router with poor productivity or insufficient caching ability and poor packet loss Source : 10.3.3.1 auto-detectmechanism ( automatic detection mechanism ) for use in Ethernet switches, hubs, and the interface card, congestion collapse ( congestion collapse ) the ATM results in the packet network due to retransmission, wherein little or no Border peer ( boundary peer ) manages a peer group device that exists on the edge of a hierarchical design 1. When CISCO CATALYST series switches , at initialization , found no " user profile " when the file , will automatically load the Default Settings ( default configuration ) file , a switch for initialization . To ensure that the switch is working properly .2.