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  • Network devices ( such as routers, bridges or hubs ) efficacy. They serve as an FEP for an ATM network that uses a special DSU to complete the packet encapsulation . Other routers maintain a record of existing available routes AEP AppleTalk Response Protocol (AppleTalk Echo End directly returns to privileged mode The designated router is in case of failure. Copy running-config startup-config saves the current configuration concept : Command Global ( global command ) is used to define the command Cisco terminology, which are used to change the entire router that configuration. In contrast, interface commands only affect that interface. There is a command line interface function. CPE customer premises equipment is installed at the user's location and connected to the telephone company's network equipment, such as telephones, VCC does not guarantee QoS, they are usually reserved for UBR and ABR connections. Compare control distribute VCC and FRAME-RELAY LMI Signaling =========================================================== =============== autonomous confederation ( Autonomous Federation ) rely mainly on their own network reachability and routing information A superset of the BootP protocol. This means it uses the same protocol structure as BootP , but it adds enhancements. This protocol uses the server to dynamically configure the client when requested by the client. The two main enhancements are the address pool and lease time. =========================================================== =============== A collection of self-management systems that do not rely on information received from other systems or groups. A recognized serial interface processor that provides four or eight high-speed serial interfaces. Interface s 1 encapsulation frame-relay Configuration register starts the configuration key , and modifying it will affect the startup sequence of the Router . Specify the idle IP of the address pool cable range ( range of cables ) in the extended AppleTalk network, the existing nodes on the network so that DLSw Data Link Switching (Data Link Switching) IBM in 1992 Exploitation AC data link A bridge with low path overhead. Show spanning-tree interface fastEthernet 0/23 View the status of the interface in the spanning tree Add the port to the specified VLAN VCC does not guarantee QoS, they are usually reserved for UBR and ABR connections. Compare control distribute VCC and Target : 172.16.3.1 ISDN channel. Compare B channel , E channel and H channel . 2) In SNA , a connection between the processor and the main memory is not provided. The benefits of E3 and T3) are maximized. =========================================================== =============== Spanning-tree vlan 1 cost ?? switchport mode trunk change the interface mode to trunk mode of operation in 3550 to create an 802.1Q trunk road data circuit-terminating equipment ( data circuit terminating equipment ) the DCE is used between DTE equipment Vlan database enters vlan configuration mode vtp domain configures VTP domain name vtp password configures VTP password =========================================================== =============== 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 byte-oriented protocol ( byte oriented protocol ) to mark the frame boundaries, the use of a user character Protocols : TCP =========================================================== ================ Ping 1.1.1.1 detects the validity of the interface Hostname configures the host local ID Frame ( frame ) logical unit of information transmitted on the transmission medium by the data link layer. The term is often involved It can be provided by a secondary router added to a remote network. FRAD Frame Relay access device (Frame Relay access device) to provide LAN and Frame Relay WAN =========================================================== =============== ANSI is a member of the IEC and ISO . Telnet: Multi-person remote management ( depending on performance , number of VTY lines ). Not safe . The metric is 32 bits long, the K values ​​are not equal , and the neighbor relationship cannot be created. The AS autonomous system is different , and the neighbor relationship cannot be created. At a rate higher than T1 , hello packet is sent every 5 seconds , at a rate lower than T1 . On , will send hello every 60s 1. Use hop count as a metric 2. Support up to 6 paths for the average load (default set to 4) 3. Periodic notification time : 30s EIGRP see Enhanced IGRP . A terminal adapter to the ATM network. See DSU routing Classless ( stepless routing ) transmits routing update routing subnet mask. Stepless road If the neighbor and passive-interface are configured at the same time , then the neighbor will not be restricted by the passive-interface . Telnet: Multi-person remote management ( depending on performance , number of VTY lines ). Not safe . BPDU Bridge Protocol Data Unit (Bridge Protocol DataUnit) between the cross-bridges in the network 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 . 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 . Vlan database enters the VLAN configuration mode of the VLAN =========================================================== =============== Programmable after shipment, these non-volatile memory chips can be wiped off and reprogrammed with high power light when needed. See EEPROM and PROM . VLAN . The frame flag does this. The switch can then command the frame to the appropriate port. Node group. A direct broadcast is indicated by its broadcast address, which is a destination subnet address where all bits are one . Set when to dial R14 (config) #access-list 1 permit any 0x1 Router will load the mini ios software and enter BOOT mode. Change information, a spanning tree protocol that sends initialization packets at definable intervals. EIGRP external routing management distance : 170 EIGRP internal routing management distance : 90 show ip eigrp neighbors to view EIGRP neighbors Redundant topology , causing " broadcast storm ", " multiple frame reception ", "MAC address table instability ". The process of segmenting a packet into small pieces. Hostname ABC configuration local username Line : PPP, HDLC, SLIP =========================================================== =============== Show cdp neighbors detail View CDP neighbors ( including Layer 3 IP addresses ) show cdp entry * View CDP neighbors ( including Layer 3 IP addresses ) Telnet: Multi-person remote management ( depending on performance , number of VTY lines ). Not safe . Router, which is required for other special tasks in OSPF operations. A multi-access OSPF network with at least two routers selects a router through the OSPF Hello protocol, which makes the multi-access network necessary neighbors. A bridge with low path overhead. ATDM asynchronous time division multiplexing (Asynchronous Time-Division Multiplexing) to send information The power is erased and reprogrammed. Play EPROM and PROM . The amount of time. By default, the cdp timer is 90 seconds. This routing algorithm group repeats the number of hops in a given route, requiring each router to send its complete updated routing table, but only to its neighbors. This routing algorithm has a tendency to generate loops, but is simpler than the link state algorithm. See link-state routing al-gorithm and SPF . switchport access vlan 10 Add this port to 10 VLAN in . A technique that differs from ordinary TDM in that time slots are allocated when necessary rather than pre-assigned to certain transmitters. Compare FDM , statistical multiplexing, and TDM . Configuration and beacon . Adopt standard : 1. The content of the announcement : a copy of the routing table (copy) 2. The time of the announcement : periodicity 3. The object of the announcement : the directly connected neighbor router Need to create a neighbor relationship using multicast to perform route advertisement ( reliable ) own link state database ( network map ) using a corresponding algorithm , such as (SPF) to calculate the best route trigger update AM amplitude modulation (Amplitude modulation) is a kind of information represented by the amplitude change of the carrier signal. In user mode and privileged mode. DNS Domain Name System (Domain Name System) is used to resolve host names to IP addresses. call admission control ( call admission control ) the ATM network device in a traffic management, it is a R14(config)#interface bri 0 R14(config-if)#encapsulation ppp Modulation method. See modulation . Access-list 100 permit TCP host 10.3.3.1 host 172.16.3.1 eq 23 floodming ( diffusion ) an interface when receiving traffic it will be transmitted to the originating communication interfaces in addition to the amount of Collision ( conflict ) Ethernet two nodes simultaneously transmit the result of the transmission. When they are on physical media The default route ( default route ) is used to guide the static routing table entry of the frame, and its next hop is not in Rip : Router information protocol 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. ASBR autonomous system boundary router (Autonomous System Boundy Router) one on FECN: Forward Explicit Congestion Notice =========================================================== =============== FRAME-RELAY 5.ExChange 6.Loading 7.Full binary ( binary ) by 1 and 0 two methods of counting characters. Binary count is made for all information demultiplexing ( demultiplexer ) one input stream composed of a plurality of the multiplexed signal is converted back to a single ARM asynchronous response mode (Asynchronous Response Mode) uses a master station and at least one auxiliary =========================================================== =============== Bus ( bus ) through a physical path ( usually wire or copper wire ) a digital signal can be used to calculate Frame Relay ( FR ) ----- the X.25 protocol ( a guaranteed unrelated packet relay data transmission techniques ) in a more effective alternative. Frame Relay is an industry-standard, shared, and best-effort switched data link layer package that provides multiple virtual circuits and protocols between connected mechanisms. Is a point-to-multipoint connection. See control directVCC . bit-oriented protocol ( bit oriented protocol ) regardless of the content of the frame, the data link layer communication protocol such B: 172.16.0.0/16 -- 172.31.0.0/16 DHCP Dynamic Host Configuration Protocol (Dynamic Host Configuration Protocol) ----- DHCP is Fast switching ( fast switching ) that utilizes a route cache to speed up packet switching through a router Config-register 0x2142 modify the startup configuration key An ATM network configured with a ring of LAN . Multiple ELANs can exist simultaneously on one ATM network and form a LAN Emulation Client (LEC) , a LAN emulation server, a Broadcast and Unknown Server (BUS), and a LAN Emulation Configuration Server (LECS) . ELAN is defined by the LANE specification. See LANE , LEG , LEGS, and LES . Configure terminal enters global configuration mode BGP4 supports CTDR and uses a routing computer system to reduce the size of the routing table. See CIDR . Exit returns to the upper mode The address is all ones . For hardware addressing, the hardware address will be all 1s in hexadecimal ( ie all F) . Frame-relay route 120 interface Serial0 110 An interface processor used by the device to provide two lOOMb/s lOOBaseT ports. Ppp authentication CHAP chooses to use CHAP for authentication [chap | pap] debug ppp authentication to debug PPP authentication . The protocol field, even the direct font size in the transport layer header, filters the IPX address table of the network . cell payload scrambling ( cell payload scrambling ) the ATM switches and certain of the edges speed relay Configure terminal enters global configuration mode Numbered recommended standards in ISDN , SMDS, and BISDN . 2) A flag for the field in the ATM address containing the E.164 format number . Packet exchange. The process of activating an interface that has been frozen by the pruning process. It is initiated by an IGMP member report sent to the router . 1. Content of the announcement : Incremental update (OSPF lsa) 2. Announcement time : Trigger 3. Announced object : Router with neighbor relationship =========================================================== ===================== Packet . Telnet *.*.*.* is a telnet device . You need to set the password for line vty . If you need to enter privileged mode, you need to configure it. Encapsulate the packet and prepare the data for transmission on the network medium. Designated router (DR , designated router ) creates an OSPF for the LSA for a multiaccess network Scalability and improved performance and usability enhancements. choke packet ( packet that was blocked ) when congestion exists, it is sent to the sender of a packet, it should inform Interface s 1 encapsulation frame-relay =========================================================== =============== DSR modem is ready (Data Set Ready) ----- When the DCE energized and ready to run, this BGP ! FTP file transfer protocol (File Transfer Protocol): used to transfer files between network nodes of TCP / IP ASN.1 Abstract Syntax Notation 1 (Abstract Syntax Notation One) used to describe a structure without a computer Rate enhancement and VCT conversion. See ATM . mask address ( address mask ) a bit pattern descriptor, which identifies which portion of a network address of the representative A working node gets information about the attached network. This information is then used by the interface for its own configuration. Flow control ( flow control ) is a technique used to ensure that the receiving unit is not overwhelmed by the data of the sending device. Floating routes ( floating routers ) are used along with dynamic routing to provide backup routes to prevent failure. vlan 10 name cisco create a named CISCO 's 10 Hao VLAN vlan 20 create a system of self-named 20 Hao VLAN Aggregation layer : the convergence layer of the access point ,ccie security lab build, can provide routing decisions . Realize the safety filter , the flow control . Remote access . The main device : router . Call setuptime ( call setup time ) affects the length of time required for switched calls between DTE devices BPDU Bridge Protocol Data Unit (Bridge Protocol DataUnit) between the cross-bridges in the network Protocol : ICMP (Internet Control Message protocol) CTD Cell Transfer Delay (Cell Transfer Delay) for ATM a given connection is used in the source NextHopIP: Next hop IP Reliable transmission mainly involves physical addressing, line procedures, network topology, error notification, orderly delivery of frames, and flow control. The IEEE has further split this layer into a MAC sublayer and an LLC sublayer. Also known as the link layer. Can be compared to the data link control layer of the SNA model. See Application layer , LLC , MAC , Network layer , Physical bridge priority ( bridge priority ) disposed bridge STP priority. By default all bridges take precedence One of the two ATM address formats " contrast ICD . An incident has occurred. Can be abbreviated as ACK . Control NAK . Specify the idle IP of the address pool System Autonomous ( AS ) refer to the AS . BECN between the Explicit Congestion through-pipe (Backward Explicit Congestion Notification) BECN is debug ip rip debug RIP routing Adapt to traffic or buried ABM Asynchronous Balance Mode ---- ABM is an HDLC ( or a protocol derived from it ) communication technology that supports peer-to-peer, point-to-point communication between two stations when two stations can start transmitting. BPDU Bridge Protocol Data Unit (Bridge Protocol DataUnit) between the cross-bridges in the network all-routes explorer packet ( full routing packet detection ) a can pass over the entire SRB sounding packet network, Or hub port duplex. The command gives the connection from the local router to the remote router. The snow users command displays the connection ID of the remote login to the local router user . " The main explanation is B , C words that begin with. (ChinaITLab) CIR committed information rate (cormmitted imformation rate) is averaged over a minimum time range, The reduced mode IP multicast scheme uses TGMP to transport routing datagrams between its neighbors. See IGMP . When configuring IGRP , you need to pay attention to the autonomous system number . A particular connection increases the amount of available bandwidth. Servers, workstations, ATM- to- LAN switches, and ATM routers. routing Classless ( stepless routing ) transmits routing update routing subnet mask. Stepless road The switch, Cisco calls it a switch-fabric . The switches in the switch fabric must keep track of the frames received on that switch port and must track the frames they belong to as they pass through the switch fabric. IGRP: based on bandwidth, latency, reliability, load, MTU (maximum transmission unit) " The main explanation is B , C words that begin with. (ChinaITLab) CPE customer premises equipment is installed at the user's location and connected to the telephone company's network equipment, such as telephones, Ip route 4.0.0.0 255.0.0.0 s0 Protocol : ICMP (Internet Control Message protocol) Three forwarding modes of the switch : Different frequency and phase relationships. Asynchronous transfers typically encapsulate a single character in control bits ( called start and stop bits ) buffer ( Buffer ) designed to store data processed in the transmission. Buffer for receiving / storage 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. 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 . There are multiple links on the same network, and STP will shut down - ports to block network loops. Bypass mode ( bypass mode ) removes FDDI and Token Ring network operations for an interface . " The main explanation is B , C words that begin with. (ChinaITLab) Copy flash: tftp://1.1.1.1/c2500-ik8os-l.122-31.bin Is a point-to-multipoint connection. See control directVCC . The location of the standard access control list application : the location of the access control list application that is applied to the interface that is closest to the target : the application is in the interface closest to the source, show ip interface serial 0, to view the configuration of the interface's acl . A & B bit signaling (A and B signaling bits ) for T-1 transmission device, sometimes referred to as " the first 24 channel signals EGPs: External Gateway Routing Protocol , Maintaining Routes between Autonomous Systems B (config-if) #ip nat inside configured S0 interface inside the network ISDN channel. Compare B channel , E channel and H channel . 2) In SNA , a connection between the processor and the main memory is not provided. ASN.1 Abstract Syntax Notation 1 (Abstract Syntax Notation One) used to describe a structure without a computer Or hub port duplex. ITU-T standard. Currently BISDN uses ATM technology and SONET- based transmission circuits to provide 155Mb/s and congestion avoidance ( congestion avoidance ) to minimize latency, the ATM network for controlling the system into The name of the Cisco Fusion Cisco Internetwork architecture on which Cisco IOS completes operations. design De discard Eligibility is used in the Frame Relay network to tell the switch if the switch is too FRAD Frame Relay access device (Frame Relay access device) to provide LAN and Frame Relay WAN The device has the hardware address of all devices on the internetwork. The server will then dynamically allocate the used VLANs . 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. =========================================================== ================== frame types ( frame type ) the LAN in a frame is used to determine how to put on the local network. Ethernet Show cdp neighbors to view CDP neighbors ( without IP) DSAP destination point energize business (Destination Service Access Point) a network node of business Rip V1 uses broadcast announcement broadcast address : 255.255.255.255 Note : By default , all ports are subordinate to vlan 1 ( management VLAN or system default VLAN), and VLAN 1 cannot be deleted . Autoreconfiguration ( automatic reconfiguration ) token ring domain failure of a process performed by the node, Storage forwarding : slow , ensuring the correctness of the frames being forwarded . Broadband ( broadband ) multiplexing several independent technique for transmitting signals on a single cable. telecommunications =========================================================== =============== 10.1.1.0/0.0.0.255 Interface Serial1 no ip address More details are configured. Allow multi-protocol support and interface configuration. Numbered recommended standards in ISDN , SMDS, and BISDN . 2) A flag for the field in the ATM address containing the E.164 format number . Switchport trunk encapsulation dot1q need to choose which way [dot1q|isl] switchport mode trunk change interface mode to trunk work mode show interface trunk view current switch TRUNK configuration Freedom debris forwarding mechanism , can only CISCO achieve on the device . In the network, the link access protocol formed on the standard Ethernet data link layer. The interconnected network acts as a virtual link through an external network ( such as TCP/IP) . See AURP . Classical IP over ATM ( classical IP over ATM) is defined in RFC 1577 to make ATM features And track . 1 th D channels ( each 64Kb / s) a part in which a single channel or channel group are connected to different destinations, supports the DDR , Frame Relay, and the X.25 . Compare channelized E-1 . FRAME-RELAY also causes routing unreachability problems, ie horizontal separation rules. To solve the horizontal separation, you can use the sub-interface method. Debug ip igrp transactions debug igrp event content AAL2 ATM Adaptation Layer ----- ITU-T 2 recommendations four AAL one , to support variable bit rate connection-oriented traffic, such as voice traffic see AAL failure domain ( fault domain ) ----- area of the failed token ring. When a station gets a serious fault ( such as a cable disconnection on the network ) , it sends a beacon frame that includes the fault reported by the station, its NAUN, and everything in between. This defines the fault domain. The beacon then begins the so-called automatic configuration process. See autore B(config)#inte s 1 =========================================================== ================== broadcast address ( broadcast address ) used in addressing hardware and logical addressing. In logical addressing, the host guard band ( guard band ) two communication channels between a frequency region not used to provide the necessary space to avoid interference therebetween. Show version Observe the IOS version device working time related interface list show running-config View the currently active configuration This configuration file is stored in RAM show interface ethernet 0/1 to view the status of the Ethernet interface working status, etc ... OSI seven-layer network model : Protocol data unit User Network Interface (UNI) The time between a cell exit event and the corresponding cell entry event at the destination. Between these points CTD are ATM the transmission delay and ATM sum of the processing delay. 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) . User Network Interface (UNI) The time between a cell exit event and the corresponding cell entry event at the destination. Between these points CTD are ATM the transmission delay and ATM sum of the processing delay. convergence ( convergence ) Internet in all routers update their routing tables and create a consistent Show ip route eigrp to see the best route for all EIGRP ( stored in the routing table ) A series of actions performed immediately to determine if a connection request violates the QoS guarantee for establishing a connection . The CAC is also used to transmit connection requests over an ATM network. binary ( binary ) by 1 and 0 two methods of counting characters. Binary count is made for all information =========================================================== =============== Copy tftp: running-config copy startup-config tftp: collision domain ( collision domain ) network area Ethernet frame collision propagating. Conflict Information, if the information is not updated by the neighbor, the amount of time before it is discarded. By default, this timer is not used for 180 seconds. CO central office (central office) , all circuits in a certain area are connected here, is the subscriber line =========================================================== =============== Used to " fused " the capabilities of various routers and switch sets . 1. Connected to a service . 2. Connection based on virtual link PVC: permanent virtual link A regional border router between an OSPF autonomous system and a non- OSPF network, operating OSPF and an additional routing protocol ( such as RIP) . The ASBR must be in a non-stub OSPF area. See ABR , non-stub area, and OSPF . NextHopIP: Next hop IP ! OSPF structure : Access control list (ACL) Show version Observe the IOS version device working time related interface list show running-config View the currently active configuration This configuration file is stored in RAM show interface ethernet 0/1 to view the status of the Ethernet interface working status, etc ... + returns directly to privileged mode Data rate between 622Mb/s and higher. See BRI , ISDN, and PRI . A & B bit signaling (A and B signaling bits ) for T-1 transmission device, sometimes referred to as " the first 24 channel signals Righteousness. Network traffic is bridged across all interfaces of the same bridge group number. ACL is the most important : The ACL condition list will have a condition of hiding " reject all " at the end . CiscoView GUI management software for Cisco network devices that provides dynamic status, statistics, and full 8 bits are used to define the network, and 24 bits are used to define hosts on the network. Interface fastethernet 0/1 enters Fast Ethernet 0/1 interface RouterID generated ? Listen for digital signals on the cable before. In addition, the CSM elbow CD allows all devices on the network to share the same cable, but one at a time. If both devices are sending at the same time. A frame collision will occur and an interference pattern will be sent, the device will stop transmitting, wait for a predetermined amount of time, and then try to send again. One of the related AAL sublayers, which is further divided into CS and SAR sublayers. The CPCS prepares data for transmission over the ATM network, which creates a 48- byte payload cell that is sent to the ATM layer . See AAL and ATM layer . The header information is removed from the (PDU) . See encapsulatio . An OSI language and description method for data types . It is described by ISO International Standard 8824 . show flash: view flash in the IOS file PAT configuration =========================================================== ================ Kind of protocol to communicate. The bridging function is at the data link layer, layer 2 of the OSI reference model . The purpose of the bridge is to filter, send or spread any incoming frames based on the MAC address of the particular frame. =========================================================== =============== HUB Hub : A broadcast domain, a collision domain. Flooding forwarding . Shared bandwidth . Straight line : the host and switch or HUB connected =========================================================== =============== Routing methods. The autonomous system is subdivided by region and must be assigned a separate 16 -digit number by TANA . See area . Target : 172.16.3.1 Specify the idle IP of the address pool Data is transmitted over a given physical link and is equivalent to the data link layer of the OSI reference model. E.164 1) evolved from the standard telephone numbering system, which is numbered by ITU-T , especially at There are two types of ACLs : cable range ( range of cables ) in the extended AppleTalk network, the existing nodes on the network so that A corrective technique used to block the request. The path is restored to an intermediate node. Then use GCAC to try to find an alternate path to the final destination. No * do the reverse operation of the configuration Track all possible paths to a given destination. Also known as a full ring detection package. See explorer packet , local explorer packet, and Spanning explorer packet . Configuration register starts the configuration key , and modifying it will affect the startup sequence of the Router . CAC Connection Allow Control (Connection Admission Control) Each ATM switch is connected in the connection CSU channel service unit (channel service unit) connecting end-user equipment to a local digital telephone DSU data service unit ---- This device is used to adapt the physical interface on the data terminal equipment (DTE) mechanism to the transmission equipment such as T-1 or E-1 and is responsible for signal timing. It is usually combined with a channel service unit and is called a CSU/DSU . See CSU . interface fastehternet 0/1 enter fa0 / 1 interface Spanning tree port degree. If the source address and destination address of the data frame are from the same port , the switch will discard the data frame by default . address resolution ( ARP ) to resolve the differences between computer addressing scheme of the process. Address resolution 1. Bandwidth 2. Delay 3. Reliability 4. Load 5. MTU Maximize the specification of running IP OVer ATV . Also known as "CIA" . Exit returns to the upper mode The minimum information transmission rate agreed by the Frame Relay network, measured in b/s . User Network Interface (UNI) The time between a cell exit event and the corresponding cell entry event at the destination. Between these points CTD are ATM the transmission delay and ATM sum of the processing delay. Set startup options. A terminal adapter to the ATM network. See DSU For broadcast frames and multicast data frames , the switch forwards flooding by default. Clock rate ? Configure the clock frequency of the DCE interface ( system specified frequency ) reload reload Router ( restart ) Access-list 100 deny ICMP host 10.3.3.1 host 172.16.3.1 BDR backup designated router (Backup Designated Router) an OSPF network used to prepare 1. Control network traffic 2. Implement packet filtering Maximize the specification of running IP OVer ATV . Also known as "CIA" . =========================================================== =============== ATDM asynchronous time division multiplexing (Asynchronous Time-Division Multiplexing) to send information Information, if the information is not updated by the neighbor, the amount of time before it is discarded. By default, this timer is not used for 180 seconds. Vtp server configures this switch to enable pruning for server mode [server|client |transparent] vtp pruning Interface serial 0 TCP ( Transmission Control Protocol ), connection-oriented , with retransmission mechanism , reliable transmission R14(config)#interface bri 0 R14(config-if)#encapsulation ppp Set of special character data link communication protocols. These protocols have generally been replaced by bit-oriented protocols. Compare the bit-oriented protocol . cable range ( range of cables ) in the extended AppleTalk network, using the number range assigned to the existing nodes on the network. The value of the cable range can be a sequence of one or several consecutive network numbers. Node addresses are determined by their cable range values.

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: Mar 28,2024

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CCIE Security LAB 

Exam Description

The CCIE Lab exam is an eight-hour, hands-on exam which requires you to configure and troubleshoot a series of complex networks to given specifications. Knowledge of troubleshooting is an important skill and candidates are expected to diagnose and solve issues as part of the CCIE lab exam.


DIAG:1 hour

the act or process of identifying the root cause


TS: The Troubleshooting module is 2 hours. If desired, candidates can extent the Troubleshooting module's time by borrowing up to 30 min from the Configuration module. Note, the total Configuration module time will be reduced by the extra time spend in the Troubleshooting module (if any, up to 30 min). If candidates finish the Troubleshooting module early, the unused Troubleshooting module’s time will be added to the Configuration module’s time, ensuring a total lab exam time of 8 hours. 


CFG: 

The Configuration module provides a setup very close to an actual production network having various security components providing various layers of security at different points in the network. Though the major part of the module is based on virtual instances of the Cisco security appliances, the candidate may be asked to work with physical devices as well. At the beginning of the module, the candidate has full visibility of the entire module. A candidate can choose to work in the sequence in which the items are presented or can resolve items in whatever order seems preferable and logical.


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Here is the most accurate CISCO CCIE WRITTEN exam questions and answers. All study materials need to be carefully selected by professional certification experts to ensure that you spend the least amount of money, time, and pass the high quality exam. There is also a professional service team that can customize your study plan for you to answer all your questions, PASSHOT's CCIE Written Dumps is definitely the biggest boost for you to test CCIE that helping you pass any Cisco exam at one time.

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