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  • Dynamic VLAN ( Dynamic DLAN) A manager that creates entries in a special server. convergence ( convergence ) Internet in all routers update their routing tables and create a consistent The protocol layer of the layer communication specifies an option that requires the identified data to be located faster. ++<6> + x Network or subnet, which part represents the host. Sometimes referred to as a mask. Playing subnet mask Ip address 1.1.1.1 255.0.0.0 Configure the IP address of the interface =========================================================== =============== 1 1 2 1 2 1 There is a command line interface function. Port Console ( control port opening ) the Cisco a typical routers and switches on the RJ-45 ports, with DXI data exchange interface (Data Exchange Interface) in RFC 1482 is described, DXI define a A recognized serial interface processor that provides four or eight high-speed serial interfaces. Change (DLSw), in order to provide router-based network the SNA ( Systems Network means ) and NeIOS supported protocols. SNA and NetBIOS are non-routable protocols and do not contain any Layer 3 logical network information. DLSw encapsulates these protocols in TCP/IP messages, which can be routed and are an option for Remote Source Routing Bridging (RSRB) . FEIP Fast Ethernet Interface Processor (Fast Ethernet Interface Processor) Cisco7000 Series Routing Encapsulation ( encapsulation ) layered association, the technology used, one layer to the upper layer protocol data unit access method ( access method ) network devices gain network access Wan style. =========================================================== =========== ATMM was ATM management (ATM Management) in ATM a protocol running on the switch tube cell payload scrambling ( cell payload scrambling ) the ATM switches and certain of the edges speed relay FRAME-RELAY is a non-broadcast multi-access type network that does not support broadcasting. Router), also known as boot mode , can be used for IOS upgrades. 1. CISCO 2. ANSI 3. Q993A =========================================================== =============== FTP file transfer protocol (File Transfer Protocol): used to transfer files between network nodes of TCP / IP Centrex ( Central Switch ) A local switched carrier service that provides local handover similar to live PBX 1OOBaseT is based on the IEEE 802.3U standard, 1OOBaseT is a baseband fast Ethernet using UTP wiring AMI Alternate Mark Inversion (Alternate Mark Inversion) T-1 and E-1 A circuit on a circuit compiled show flash: view flash in the IOS file flash memory ( flash memory ) Intel developed and licensed to other A nonvolatile semiconductor memory used by the manufacturer List Access ( access list ) to save the router a set of test conditions, which determine the various services on the network " interested Media type : twisted pair , coaxial cable , fiber Topology Bus ( bus topology ) a straight LAN off-line structure, wherein transmission from each station on the network Set when to dial R14 (config) #access-list 1 permit any Fallback (in the fall ) ATM network, this mechanism is used to get a path, if it can not use the regular side Spanning trees can avoid loop problems caused by redundancy . Solve the problem : put redundant ports into blocking state . Interfaces in blocking state will not receive / send user data . Interface Serial1 no ip address Show interfaces fastethernet 0/1 switchport =========================================================== ================ 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. + returns directly to privileged mode B(config)#ip nat inside source list 1 interface serial 1 overload =========================================================== =============== Transmission method. Use acknowledgments and flow control for reliable data transfer. Contrast connectionless . See virtual circuit . Support for multiple network layer protocols through NCP can achieve " authentication ", " compression ", " error detection ", " multi-link " through LCP . Adopt standard : 1.Server mode < main > 2.Client mode < time > 3.TransParent mode < transparent > 10.1.1.0/255.255.255.0 =========================================================== =============== HDLC: OSPF structure : Coaxial cable classification for signaling. Compare baSeband . Bypass relay ( bypass relay ) enables an interface of the token ring to be closed and effectively detached from the ring Shot as a network address If the router does not store the loopback , select the highest IP from the physical interface as the RouterID (the interface must be active ) Show sessions show the current outgoing TELNET session Show controllers serial 0 is used to view the attributes of DCE and DTE Congestion ( congestion ) exceeds the amount of network traffic handling capacity. BECN: Backward explicit congestion notification administrative weight ( administrative weights ) value for a given network administrator specified hierarchical network links. Which contains: BridgeID = Bridge Priority + MAC address The level is set to 32768 . ASBR autonomous system boundary router (Autonomous System Boundy Router) one on A remote AppleTalk location access protocol for resources and data. Frame-relay map ip 10.1.1.2 110 broadcast for manual static mapping Three forwarding modes of the switch : If the router does not store the loopback , select the highest IP from the physical interface as the RouterID (the interface must be active ) 10Mbps 100 clear ip route * clear route table congestion collapse ( congestion collapse ) the ATM results in the packet network due to retransmission, wherein little or no Frame-relay lmi-type cisco frame-relay intf-type dce A bit set by the network that informs the DTE receiver that congestion is encountered along the path from the source to the destination. Received FECN bit =========================================================== =============== FRAME-RELAY interface fastehternet 0/1 enter fa0 / 1 interface HUB Hub : A broadcast domain, a collision domain. Flooding forwarding . Shared bandwidth . Straight line : the host and switch or HUB connected =========================================================== =============== DLSw Data Link Switching (Data Link Switching) IBM in 1992 Exploitation AC data link Startup -config will be actively loaded every time the router or switch is started . B(config-if)#ip nat outside configure S1 interface for the outside network to specify which hosts can NAT The route to the network. Interface Serial1 no ip address VLAN . The frame flag does this. The switch can then command the frame to the appropriate port. CONSOLE PORT ( management console interface ): distance limit , exclusive way . ASP AppleTalk Session Protocol (APC) is established and maintained using ATP . UTR Data Terminal Ready (Data Terminal Ready) ----- an activated with DCE communication 4. Notification method : Broadcast (RIPv1, IGRP) rule mechanism : =========================================================== =============== Busy, a frame can be discarded. DE is a field in the frame that is opened by the sending router if the committed information rate (CIR) is over-provisioned or set to zero . The CLI command line interface allows users to configure Cisco routers and switches with maximum flexibility . A LAN standard that can run at speeds up to 200 Mb/s and use token transfer media access technology on fiber optic cable. For redundancy, a double loop structure can be used. Frame-relay lmi-type cisco frame-relay intf-type dce Action : Deny FRAME-RELAY address mapping (reverse ARP) Copy tftp: startup-config copy flash: tftp: The default route ( default route ) is used to guide the static routing table entry of the frame, and its next hop is not in lOBaseT , Fast Ethernet, and lEEE . Bridge ( bridge ) two devices connected to the network and transmit data packets therebetween. Both paragraphs must use the same WAN : clear ip route * clear route table It uses two pairs of twisted-pair cable (3 class 4 class or 5 classes ) , one pair for transmitting data to the other for receiving data. Encapsulation PPP enables PPP on the interface Clear line XXX clear line 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,ccie security v5 training videos download, AURP maintains a routing table for the full AppleTalk WAN . See AURP tunneL . AS path prepending (AS path pre-planned ) use route maps by adding fake ASN extended from Static NAT configuration Sending CDP packets every 60 seconds ( every 60 transmits second cdp packet ) HoldTime 180 seconds ( per CDP information is saved 180 [ seconds ) Source port : None The mechanism and link of a communication network to a network interface ( such as a modem ) . The DCE provides physical connectivity to the network, forwards traffic, and provides a clock signal for synchronous data transmission between the DTE and the DCE . Compare DTE . Flexibility : VLANs can span multiple switches 4. Ways of notification : Unicast & Multicast =========================================================== =============== CPE customer premises equipment is installed at the user's location and connected to the telephone company's network equipment, such as telephones, CDP timer (CDP timer ) By default, Cisco Discovery Protocol is transmitted to all router interfaces. Port 179 . Also known as "BGP peers " . Or hub port duplex. De-encapsulation ( disassembly ) layered protocol technology, in which a layer of slave layer protocol data unit =========================================================== =============== The ratio of the total number of cells sent in the transmission. A bit set by the network that informs the DTE receiver that congestion is encountered along the path from the source to the destination. Received FECN bit call priority ( call priority ) circuit switched system, the originating port to the priority of each definition, it The bit set in the frame when the frame relay network encounters a congestion path. Receiving a DTE with a BECN frame can require the advanced protocol to take the necessary flow control measures. Compare FECN . =========================================================== =============== B: 172.16.0.0/16 -- 172.31.0.0/16 =========================================================== =============== 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 . Banner motd [char c] also ends with [char c] another line dedicatedline ( green ) do not share any bandwidth point to point connection. the alignmentError ( alignment error ) Ethernet The error occurring in the network, the received frame in which the additional CSU channel service unit (channel service unit) connecting end-user equipment to a local digital telephone FRAD Frame Relay access device (Frame Relay access device) to provide LAN and Frame Relay WAN The bit set in the frame when the frame relay network encounters a congestion path. Receiving a DTE with a BECN frame can require the advanced protocol to take the necessary flow control measures. Compare FECN . Cheng. distribution layer ( distribution layer ) the Cisco intermediate three layer hierarchical model, which contribute to the design, installation and maintenance VLAN characteristics EPROM erasable programmable read-only memory----- =========================================================== =============== PPP: The process of segmenting a packet into small pieces. Congestion ( congestion ) exceeds the amount of network traffic handling capacity. VTP Vlan Trunk Protocol =========================================================== =============== data circuit-terminating equipment ( data circuit terminating equipment ) the DCE is used between DTE equipment VLAN characteristics FQDN Fully Qualified Domain Name (fully qualified domain name) in the DNS for the domain structure due to 100Mbps 19 A Cisco hierarchical network. The core layer quickly passes packets to the distribution layer device. No packet filtering is performed at this level. An OSI language and description method for data types . It is described by ISO International Standard 8824 . Ip address 1.1.1.1 255.0.0.0 Configure the IP address of the interface Interface fastethernet 0/1 enters Fast Ethernet 0/1 interface IBM agency link. See FRAD . Boot ROM ( Boot ROM) for the router in order to release the boot mode router. Then guide explorer frame ( detection frame ) and the source-route bridging found to serve to bridge before a remote transmission ACR allows the Cell Rate ATM Forum to be a name defined for managing ATM traffic. Congestion control The IGMP member report was initiated. Partial mesh cable range ( range of cables ) in the extended AppleTalk network, the existing nodes on the network so that Configuration register starts the configuration key , and modifying it will affect the startup sequence of the Router . EIGRP see Enhanced IGRP . A non-distributed backbone. A folded backbone can be a virtual network segment that works in a device such as a router, hub, or switch. Security : Communication with different VLANs OSI seven-layer network model : Protocol data unit Interface fa0/24 Bypass mode ( bypass mode ) removes FDDI and Token Ring network operations for an interface . FragmentFree ( no fragmentation ) reads in the data portion of a frame to ensure that there is no fragmentation of the LAN intersection A logical collection of information. IP datagrams have become the main unit of information for the Internet. In the OSI layers reference model, the term cell (Cell) , frame (Frame) , the message (message) and the segment (segment) also define these logical information groupings. Medium is classified by channel with a bandwidth greater than 4 kHz ( typical voice level ) . It uses simulation in LAN technology CLP cell loss priority (Cell Loss Priority) ATM channel is determined when the header message element cell network congestion CCNA classroom streamlined notes Circuit Switching : PPP, HDLC, SLIP Clear line * Force interrupt "telnet to local " session The twisted pair transmission distance is 100 meters . The interconnected network acts as a virtual link through an external network ( such as TCP/IP) . See AURP . There is a command line interface function. CSU channel service unit (channel service unit) connecting end-user equipment to a local digital telephone FECN: Forward Explicit Congestion Notice A non-distributed backbone. A folded backbone can be a virtual network segment that works in a device such as a router, hub, or switch. fault tolerance ( fault-tolerant ) network device or the communication link may fail without interrupting communications degree. Fault tolerance DCC data Country Code (Data Country Code) developed by the ATM Forum for the use of private networks Neighbor indicates a specific neighbor The BPDU is exchanged between switches every two seconds. Periodic. IBM agency link. See FRAD . Aggregation layer : the convergence layer of the access point , can provide routing decisions . Realize the safety filter , the flow control . Remote access . The main device : router . =========================================================== =============== 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 clear ip route * clear route table LocalInterface: local interface R6(config)#interface ethernet 0 interface fastethernet 0/1 enter fa0 / 1 interface The E-1 transmission line can be leased from a public carrier company for use as a dedicated line. Cellrelay . Show sessions to view " I " telnet outgoing sessions coimnection ID ( connection ID) ----- each into the router's Telnet identifying the session analysis. Show " The main explanation is D , E vocabulary beginning. Ip address 1.1.1.1 255.0.0.0 Configure the IP address of the interface GNS the nearest server (Get Nearest Server): in the IPX network, to determine a customer a request of a given type of packet location nearest transmitted activation server. An IPX network client issues a GNS request to obtain a response from a connected server or a response from a router that discloses the location of the server on the internet. GNS is part of IPX and SAP . See IPX and SAP . frame identification (frame tagging) ( frame identifier, frame flag ) the VLAN can span multiple connections explorer packet ( probes ) of a transmission source of the token ring devices SNA packet for a source found Layer Access ( Access Stratum ) ----- the Cisco three-layer hierarchical model. The access layer allows users to access the Internet. Asynchronous transmission ( digital transmission ) does not have a precisely timed digital signal, usually 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 . Exit returns to the upper mode Variable length subnet mask (VLSM) and supernet are allowed by selection . Protocols that support stepless routing are RIP version 2 , Apply application related configuration Set vtp line password (Telnet) line vty 0 ? The interface interface processor card provides lOMb/s AUI port support for Ethernet version 1 and Ethernet version 2 or IEEE 802.3 interface with high speed data path to other interface processors . There are multiple links on the same network, and STP will shut down - ports to block network loops. RIP: Is the hop count as the metric for selecting the best route. The wrong route will be selected incorrectly. FDM frequency division multiplexing (Frequency-Division Multiplexing) allows several channels to the channel Ppp chap password cisco sends local password in CHAP mode Ppp chap hostname abc sends local username in CHAP mode Access layer : Provides network access points , and the corresponding device ports are relatively dense . Main devices : switches , hubs . The node automatically performs the diagnosis and attempts to reconfigure the network by bypassing the failed area. connection-oriented ( connection-oriented ) to establish a virtual circuit data before any data transmission =========================================================== =============== FRAME-RELAY The signal has been established. 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 . Standard access control list : Detect only the access control list of the source address extension : source address , destination address , protocol , port number Any device connected between. See Cisco FRAD and FRAS . EIGRP see Enhanced IGRP . 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.

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CCIE Security LAB Dumps

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Exam Code: TS:TS1、TS2、TS3、TS3+、TS3++
CFG :LAB1
DIAG:DIAG1、DIAG2、DIA2+、DIAG2++、DIAG2+++

Certification Provider: CiscoCisco

Certification Exam Name:CCIE Security LAB

Update Date: Aug 08,2022

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