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Therefore a modem terminates an analog local loop is correct. A router cannot decrement the TTL value to 1 and then forward the packet. After determining which direction to forward the packet, the router must build a new header. Routers, however, don’t allow broadcasts through by default, so when a broadcast hits a router (or the perimeter of a VLAN), it doesn’t get forwarded. You can create different logical topologies by using the VLANs on your network to ensure that all of your links are used but that no one link is oversubscribed. 802.1Q trunks should have native VLANs that are the same at both ends. The command “show spanning-tree vlan 30 only shows us information about VLAN 30. Switch4 will need to block one of its ports to avoid a bridging loop between the two switches. Well, the answer is based on the BPDUs it receives from Switch3. In this case the port priorities are equal because they use the default value, so Switch4 will compare port index values, which are unique to each port on the switch, and because Fa0/12 is inferior to Fa0/1, Switch4 will select the port connected with Fa0/1 (of Switch3) as its root port and block the other port -A Explanation: Spanning Tree Protocol convergence (Layer 2 convergence) happens when bridges and switches have transitioned to either the forwarding or blocking state. Assuming the default switch configuration, which switch is elected as the root bridge for the spanning-tree instance of VLAN 1? 68 Which two benefits are provided by using a hierarchical addressing network addressing scheme? 94 What two things will a router do when running a distance vector routing protocol? Send periodic updates regardless of topology changes. Send entire routing table to all routers in the routing domain. Use the shortest-path algorithm to the determine best path. Update the routing table based on updates from their neighbors. Maintain the topology of the entire network in its database. 99 Which parameter would you tune to affect the selection of a static route as a backup, when a dynamic protocol is also being used? 10.0.0.0/28 is subnetted, 1 subnets D 10.4.4.0 [90/20514560] via 10.2.0.2, 6w0d, Serial0/1 F. HFD(config)# ip route 10.5.6.0 0.0.0.255 10.5.4.6 C. ACE Explanation: The OSPF protocol is based on link-state technology, which is a departure from the Bellman-Ford vector based algorithms used in traditional Internet routing protocols such as RIP. Note: Three LMI options are supported by Cisco routers are ansi, Cisco, and Q933a. However, with ARP, the device knows the Layer 3 IP address and needs to know the remote data link MAC address. D Explanation: Host on the LAN attached to router R1 belongs to 192.1/26 subnet. It reduces the number of required OSPF neighbor adjacencies. What set of commands was configured on interface Fa0/3 to produce the given output? interface Fast Ethernet 0/3 channel-group 1 mode desirable switchport trunk encapsulation dot1q switchport mode trunk B. A variety of network management applications are available for use with SNMP. Being aware that IPv6 Internet addresses are 128 bits in length and written in hexadecimals makes automation of address-assignment an important aspect within network design. What are three parts of an IPv6 global unicast address? an interface ID that is used to identify the local host on the network. an interface ID that is used to identify the local network for a particular host. a subnet ID that is used to identify networks inside of the local enterprise site D.

A CSU/DSU is used between two digital lines – For more explanation of answer D, in telephony the local loop (also referred to as a subscriber line) is the physical link or circuit that connects from the demarcation point of the customer premises to the edge of the carrier or telecommunications service provider’s network. If an IP packet has a TTL value of 1, the router discards the packet. Routers maintain a routing table that lists available networks, the direction to the desired network (the outgoing interface number), and the distance to those networks. Since switches and bridges allow for broadcast traffic to go unswitched, broadcasts can traverse collision domains freely. Explanation: In order to pass traffic from VLANs on different switches, the connections between the switches must be configured as trunk ports. Explanation: Since the port is in the blocked status, we must assume that there is a shorter path to the root bridge elsewhere. C Explanation: The PVST provides Layer 2 load-balancing for the VLAN on which it runs. ACE Explanation: From the output, we see that all ports are in Designated role (forwarding state). The alternative port will surely belong to Switch4. The only parameter left to select the best one is the Sending Port ID (Port ID = port priority port index). 66 Three switches are connected to one another via trunk ports. Therefore, if the switch priority is left at the default, the MAC address is the deciding factor in the root bridge election. AEF Explanation: VLAN technology is often used in practice, because it can better control layer2 broadcast to improve network security. Packet filtering is a function of firewall instead of VLAN. The X-axis of the graph is the increment within the period displayed in the graph For example, from the last graph (last 72 hours) we learn that the highest CPU utilization within 72 hours is 37% about six hours ago. Please notice that “Interface” refers to the local port on the local router, in this case it is the port of Manchester router, and “Port ID (outgoing port)” refers to the port on the neighbor router. 10.0.0.0/22 is subnetted, 1 subnets D 10.4.0.0 [90/20514560] via 10.2.0.2, 6w0d, Serial0/1 E. The hello and dead timers are not configured properly. A backup designated router needs to be added to the network. You can test with your Cisco router when typing the command Router(configif)# encapsulation frame-relay ? Below is the output of this command (notice Cisco is the default encapsulation so it is not listed here, just press Enter to use it). The “frame-relay map ip” statement is correct thus none of the four answers above is correct. Maybe the “ip address 1.2 255.255.0.0 command should be “ip address 1.1 255.255.0.0. What is the meaning of the term dynamic as displayed in the output of the show frame-relay map command shown? Inverse ARP works much the same way Address Resolution Protocol (ARP) works on a LAN. If the router Cisco returns the given output and has not had its router ID set manually, what value will OSPF use as its router ID? The term NMS can be applied to either a dedicated device used for network management, or the applications used on such a device. A network technician is unable to ping from R1 to R2. B Explanation: DHCPv6 Technology Overview IPv6 Internet Address Assignment Overview IPv6 has been developed with Internet Address assignment dynamics in mind. Which logging command can enable administrators to correlate syslog messages with millisecond precision?

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But only the DHCP Server will answer to the Request. Broadcast Domain: No matter how many hosts or devices are connected together, if they are connected with a repeater, hub, switch or bridge, all these devices are in ONE Broadcast domain (assuming a single VLAN). Explanation: Each VLAN creates its own broadcast domain. Explanation: Benefits of VLANs VLAN is a network structure which allows users to communicate while in different locations by sharing one multicast domain and a single broadcast. In the exhibit, we can recognize that the Management Workstation is in a different subnet from the Switch B. If a device detects another device is sending, it will wait for a specified amount of time before attempting to transmit. Default Distance Value Table This table lists the administrative distance default values of the protocols that Cisco supports: Route Source Default Distance Values Connected interface Static route Enhanced Interior Gateway Routing Protocol (EIGRP) summary route External Border Gateway Protocol (BGP) Internal EIGRP IGRP OSPF Intermediate System-to-Intermediate System (IS-IS) Routing Information Protocol (RIP) Exterior Gateway Protocol (EGP) On Demand Routing (ODR) External EIGRP Internal BGP Unknown* 111 Which characteristics are representative of a link-state routing protocol? The C-router will have knowledge of all three networks since they will appear as directly connected in the routing table. Switch1(config)# vlan database Switch1(config-vlan)# vtp domain XYZ Switch1(config-vlan)# vtp server E. Router(config-router)# network 192.168.16.0 0.0.0.255 0 E. Router(config-router)# network 192.168.16.0 0.0.0.255 area 0 F. a default route with a next hop address of 192.168.10.1 F. Main(config)# interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#encapsulation ietf Main(config-if)# no shut B Explanation: With serial point to point links there are two options for the encapsulation. 195 Which two statistics appear in show frame-relay map output? the number of BECN packets that are received by the router B. the number of FECN packets that are received by the router D. in DE packets 0 C Explanation: If device A is sending data to device B across a Frame Relay infrastructure and one of the intermediate Frame Relay switches encounters congestion, congestion being full buffers, oversubscribed port, overloaded resources, etc, it will set the BECN bit on packets being returned to the sending device and the FECN bit on the packets being sent to the receiving device. DLCI 17 is the Layer 2 address used by R2 to describe a PVC to R3. DLCI 17 describes the dial-up circuit from R2 and R3 to the service provider. 202 What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command? defines the destination IP address that is used in all broadcast packets on DCLI 202 B. They require the use of NBMA options when using OSPF. 207 Two routers named Atlanta and Brevard are connected via their serial interfaces as illustrated, but they are unable to communicate. Similarly, the R3-R1 connection would also be in the same subnet, but it must be in a different one than the R2-R1 connection. A new subnet with 60 hosts has been added to the network. 8bits 8bits 8bits 2bits = /26 /26 bits subnet is 24bits 11000000 = 24bits 192 256 -192 = 64 0 – 63 64 – 127 213 Refer to the exhibit. One route is from EIGRP and has a composite metric of 20514560. The speed of all serial links is E1 and the speed of all Ethernet links is 100 Mb/s. Syntax for default route is: 217 Refer to the exhibit. Configure a dynamic routing protocol on London to advertise all routes to Manchester. Configure a dynamic routing protocol on London to advertise summarized routes to Manchester. Configure a dynamic routing protocol on Manchester to advertise a default route to the London router. Configure a static default route on London with a next hop of 10.1.1.1. Configure a static route on London to direct all traffic destined for 172.16.0.0/22 to 10.1.1.2. Configure Manchester to advertise a static default route to London. If the service password-encryption is used, all the passwords are encrypted. D Explanation: Secure Shell (SSH) is a protocol which provides a secure remote access connection to network devices. The administrator configured the interface and tested it with successful pings from PC_A to Router A, and then observes the output from these two show commands. BD Explanation: From the output we can see that port security is disabled so this needs to be enabled. switch(config-if)#switchport mode trunk switch(config-if)#switchport port-security mac-address 1 C. interface Fast Ethernet 0/1 channel-group 2 mode auto switchport trunk encapsulation dot1q switchport mode trunk interface Fast Ethernet 0/2 channel-group 2 mode auto switchport trunk encapsulation dot1q switchport mode trunk C. For example, by using the “logging console warnings” command, all the logging of emergencies, alerts, critical, errors, warnings will be displayed. DHCPv6 enables DHCP servers to pass configuration parameters, such as IPv6 network addresses, to IPv6 nodes.

So the client sends a DHCP Discover packet to EVERY PC in the local subnet (Broadcast). A higher level of network security can be reached by separating sensitive data traffic from other network traffic. A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructure. A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure. Broadcast storms can be mitigated by increasing the number of broadcast domains, thus reducing their size. Broadcast storms can be mitigated by decreasing the number of broadcast domains, thus increasing their size. VLANs make it easier for IT staff to configure new logical groups, because the VLANs all belong to the same broadcast domain. Port-based VLANs increase switch-port use efficiency, thanks to 802.1Q trunks. Traditionally, we often use VLAN 1 as the management VLAN (but in fact it is not secure). If more than one device transmits simultaneously, the signals collide and can not reach the destination. What is the maximum size of an IOS file that could be loaded if the original IOS is also kept in flash? 107 Which statements describe the routing protocol OSPF? Each routing protocol is prioritized in order of most to least reliable (believable) with the help of an administrative distance value. These commands need to be added to the configuration: C-router(config)# router rip C-router(config-router)# network 172.19.0.0 D. D Explanation: Since all the same router (C-router) is the default gateway for all three VLANs, all traffic destined to a different VLA will be sent to the C-router. Router(config)# router eigrp 100 Router(config-router)# network 192.168.10.0 Router(config-router)# network 192.168.20.0 D. Main(config)# interface serial 0/0 Main(config-if)# ip address 172.16.1.1 255.255.255.252 Main(config-if)# encapsulation frame-relay Main(config-if)# authentication chap Main(config-if)# no shut D. These include reduced cost, increased security since all traffic is encrypted, and increased scalability as s single WAN link can be used to connect to all locations in a VPN, where as a point to point link would need to be provisioned to each location. The router builds and maintains this address-to- DLCI mapping table, which contains all resolved Inverse ARP requests, including both dynamic and static mapping entries. The R2-R1 connection (DLCI 16 to 99) would have each router within the same subnet. Therefore subnet bits are 2 bits (8-6) in fourth octet. 214 A router has learned three possible routes that could be used to reach a destination network. Which route or routes will the router install in the routing table? service password-encryption line vty 0 4 login password cisco 216 Refer to the exhibit. According to exhibit, all traffic towards Internet that originates from workstations should forward to Router R1. Only passwords configured after the command has been entered will be encrypted. It will encrypt the secret password and remove the enable secret password from the configuration. Use the show run command to show most passwords in clear text. It tells the router or switch to try to establish an SSh connection first and if that fails to use Telnet. It configures the virtual terminal lines with the password 030752180500. It configures a Cisco network device to use the SSH protocol on incoming communications via the virtual terminal ports. It allows seven failed login attempts before the VTY lines are temporarily shutdown. If any other device is detected, the port is to drop frames from this device. Port security needs to be enabled on the interface. Port security needs to be configured to shut down the interface in the event of a violation. Port security needs to be configured to allow only one learned MAC address. Port security interface counters need to be cleared before using the show command. The port security configuration needs to be saved to NVRAM before it can become active. The values of the dead timers on the routers are different. 225 Which set of commands is recommended to prevent the use of a hub in the access layer? switch(config-if)#switchport mode trunk switch(config-if)#switchport port-security maximum 1 B. interface Fast Ethernet 0/1 channel-group 1 mode active switchport trunk encapsulation dot1q switchport mode trunk interface Fast Ethernet 0/2 channel-group 1 mode active switchport trunk encapsulation dot1q switchport mode trunk B. ABCD Explanation: The Message Logging is divided into 8 levels as listed below: Level Keyword Description 0 emergencies System is unusable 1 alerts Immediate action is needed 2 critical Critical conditions exist 3 errors Error conditions exist 4 warnings Warning conditions exist 5 notification Normal, but significant, conditions exist 6 informational Informational messages 7 debugging Debugging messages The highest level is level 0 (emergencies). If you specify a level with the “logging console level” command, that level and all the higher levels will be displayed. These announcements can allow the on-link connected IPv6 nodes to configure themselves with IPv6 address and routing parameters, as specified in RFC2462, without further human intervention. Stateful DHCPv6 The Dynamic Host Configuration Protocol for IPv6 (DHCPv6) has been standardized by the IETF through RFC3315.

Distance Vector use hop count, not link state Explanation: Remember, the source and destination MAC changes as each router hop along with the TTL being decremented but the source and destination IP address remain the same from source to destination. If Subnet Mask is 255.255.255.0 the 2 specified hosts fall in different subnets so they need a Layer 3 device to communicate. For example, if 5 PCs are connected with separate cables to a switch, we have 5 Collision domains. A switch is configured with all ports assigned to vlan 2 with full duplex Fast Ethernet to segment existing departmental traffic. On the other hand, a router is added and workgroups relocated into centralized locations. Enhances performance A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure. Segment multiple networks VLANs are typically used to achieve multiple purposes. 802.1Q Explanation: Dynamic Trunking Protocol (DTP) is a Cisco proprietary protocol for negotiating trunking on a link between two devices and for negotiating the type of trunking encapsulation (802.1Q) to be used. In order to reenable CDP, use the cdp run command in global configuration mode. Assuming that the entire network topology is shown, what is the operational status of the interfaces of R2 as indicated by the command output shown? AC Explanation: The loading sequence of CISCO IOS is as follows: Booting up the router and locating the Cisco IOS 1. Run boot system commands in order they appear in startup-config to locate the IOS b. Next, from all the /24 routes it will choose the one with the lowest administrative distance. reflexive C Explanation: We can use a dynamic access list to authenticate a remote user with a specific username and password. A host will usually keep the same address by periodically contacting the DHCP server to renew the lease. Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement. designated IP address to the DHCP server AB Explanation: Network or subnetwork IP address (for example 11.0.0.0/8 or 13.1.0.0/16) and broadcast address (for example 23.2.1.255/24) should never be assignable to hosts. They can be configured with access lists, to allow two or more connections to be initiated from the outside. Based on the partial output of the Router# show frame relay pvc command shown in the graphic, which output value indicates to the local router that traffic sent to the corporate site is experiencing congestion? Which of the following procedures are required to accomplish this task? Each subinterface will then have its own IP address, and no IP address will be assigned to the main interface. D Explanation: Committed information rate (CIR): The minimum guaranteed data transfer rate agreed to by the Frame Relay switch. This happens at the time of establishing the initial link (LCP), and may happen again at any time afterwards. LPC negotiates link and PPP parameters to dynamically configure the data link layer of a PPP connection. They require a unique subnet within a routing domain. 205 What command is used to verify the DLCI destination address in a Frame Relay static configuration? B Explanation: IPv6 Anycast addresses are used for one-to-nearest communication, meaning an Anycast address is used by a device to send data to one specific recipient (interface) that is the closest out of a group of recipients (interfaces). 232 Which two are advantages of static routing when compared to dynamic routing? Configuration complexity decreases as network size increases. Security increases because only the network administrator may change the routing table. Route summarization is computed automatically by the router. Routing tables adapt automatically to topology changes. An efficient algorithm is used to build routing tables, using automatic updates. Routing updates are automatically sent to neighbors. Routing traffic load is reduced when used in stub network links. A Explanation: Flow monitors are the Flexible Net Flow component that is applied to interfaces to perform network traffic monitoring. You add the record to the flow monitor after you create the flow monitor. These attributes are the IP packet identity or fingerprint of the packet and determine if the packet is unique or similar to other packets. A practical example would be the stateful address assignment of “2001:db8::1” from a DHCPv6 server to a DHCPv6 client.

This prevents packets from rotating forever.” I want to make it clear that before the router forwards a packet, the TTL is still remain the same. Broadcast Domain: Broadcasting sends a message to everyone on the local network (subnet). They increase the size of broadcast domains while decreasing the number of collision domains. They increase the number of broadcast domains while decreasing the size of the broadcast domains. Switch B(config)# ip default-gateway 192.168.8.254 Switch B(config)# interface vlan 1 Switch B(config-if)# ip address 192.168.8.252 255.255.255.0 Switch B(config-if)# no shutdown D. For your information, there are 7 collision domains in this exhibit (6 collision domains between hubs & switches 1 collision between the two switches). If the Native VLAN in 802.1Q trunk ports on same trunk link is properly configured, it could lead to layer 2 loops. Here is an example: Here is the lsa database on R2. 106 What information does a router running a link-state protocol use to build and maintain its topological database? After the adjacencies are established, the routers may begin sending out LSAs. The network administrator powers down the router and sets it up at a remote location. The network administrator failed to save the configuration. According to the information provided in the exhibit, we can know that the data link protocol used in this network is the Frame Relay protocol. utilizes frequent periodic updates ACD Explanation: Each of routers running link-state routing protocol learns paths to all the destinations in its “area” so we can say although it is a bit unclear. C-router is to be used as a “router-on-a-stick” to route between the VLANs. Only one process number can be used on the same router. Different process identifiers can be used to run multiple OSPF processes D. The routers cannot be configured to authenticate to each other. Given this output for Switch C, what should the network administrator’s next action be? Check the trunk encapsulation mode for Switch C’s fa0/1 port. Which interface command immediately removes the effect of ACL 102? The router at the remote office is a non-Cisco router. to map a known SPID to a MAC address D Explanation: Dynamic address mapping relies on the Frame Relay Inverse Address Resolution Protocol (Inverse ARP), defined by RFC 1293, to resolve a next hop network protocol (IP) address to a local DLCI value. This command is primarily useful for keeping unauthorized individuals from viewing your password in your configuration file 210 Refer to the exhibit. DLCI 16: 192.168.10.1 /24 DLCI 17: 192.168.11.1 /24 DLCI 99: 192.168.12.1 /24 DLCI 28: 192.168.13.1 /24 C. The Administrative Distances of popular routing protocols are listed below: 215 A network administrator needs to allow only one Telnet connection to a router. service password-encryption access-list 1 permit 192.168.1.0 0.0.0.255 line vty 0 4 login password cisco access-class 1 B. D Explanation: Interface can be enabled or disabled with shutdown/no shutdown command. 289 What are two benefits of using a single OSPF area network design? It is less CPU intensive for routers in the single area. BCE Explanation: By default, switches send the output from system messages and debug privileged EXEC commands to a logging process. This method does not require any human intervention at all from an IPv6 user. Dynamic Auto allows the port to negotiate DTP (Dynamic Trunking Protocol) if the other side is set to trunk or desirable.

255 Explanation: From the CCNA ICND2 Exam book: “Routers decrement the TTL by 1 every time they forward a packet; if a router decrements the TTL to 0, it throws away the packet. A collision domain is sometimes referred to as an Ethernet segment. Switch B(config)# interface vlan 1 Switch B(config-if)# ip address 192.168.8.252 255.255.255.0 Switch B(config-if)# ip default-gateway 192.168.8.254 255.255.255.0 Switch B(config-if)# no shutdown C. Since VLAN1 interface is already configure on switch Host A was able to telnet switch. Decide the switch that provides the spanning-tree designated port role between Switch3 and Switch4. A Explanation: Only router can break up broadcast domains but in this exhibit no router is used so there is only 1 broadcast domain. Note for the 802.1Q trunk ports between two devices, the same Native VLAN configuration is required on both sides of the link. D Explanation: The “show ip ospf database” command displays the link states. 8 MB 97 If IP routing is enabled, which two commands set the gateway of last resort to the default gateway? Ping, on the other hand, only computes the final round-trip times from the destination point. The protocol will define a Hello packet format and a procedure for exchanging the packets and processing the information the packets contain. It confines network instability to one area of the network. Flooding and calculation of the Dijkstra algorithm on a router is limited to changes within an area. A network administrator configures a new router and enters the copy startupconfig running-config command on the router. C Explanation: This QUESTION is to examine the show int command. 192.168.5.3 121 Which two statements describe the process identifier that is used in the command to configure OSPF on a router? All OSPF routers in an area must have the same process ID B. CHAP authentication cannot be used on a serial interface. The routers cannot be connected from interface S0/0 to interface S0/0. With CHAP authentication, one router must authenticate to another router. 165 What will happen if a private IP address is assigned to a public interface connected to an ISP? Addresses in a private range will be not be routed on the Internet backbone. Only the ISP router will have the capability to access the public network. The NAT process will be used to translate this address to a valid IP address. A conflict of IP addresses happens, because other public routers can use the same range. An attempt to deny web access to a subnet blocks all traffic from the subnet. Based on the information in the graphic, what is the cause of this problem? If the Frame Relay environment supports LMI autosensing and Inverse ARP, dynamic address mapping takes place automatically. 193 A network administrator needs to configure a serial link between the main office and a remote location. What path will packets take from a host on the 192.1/26 network to a host on the LAN attached to router R1? by automatically suggesting encrypted passwords for use in configuring the router B Explanation: By using this command, all the (current and future) passwords are encrypted. In the Frame Relay network, which IP addresses would be assigned to the interfaces with point-to- point PVCs? DLCI 16: 192.168.10.1 /24 DLCI 17: 192.168.10.1 /24 DLCI 99: 192.168.10.2 /24 DLCI 28: 192.168.10.3 /24 B. the OSPF and RIPv2 routes B Explanation: When one route is advertised by more than one routing protocol, the router will choose to use the routing protocol which has lowest Administrative Distance. The interface has been configured with the shutdown command. The interface needs to be configured as a DTE device. The wrong type of cable is connected to the interface. It should be the same on all routers in an OSPF routing instance. By default, the lowest IP address on the router becomes the OSPF Router ID. The router automatically chooses the IP address of a loopback as the OSPF Router ID. It is created using the MAC Address of the loopback interface. 292 What are two enhancements that OSPFv3 supports over OSPFv2? The Management Information Base (MIB) is a virtual information storage area for network management information, which consists of collections of managed objects. It is no longer supported on Cisco network devices. However, manual assignment is quite open to errors and operational overhead due to the 128 bit length and hexadecimal attributes of the addresses, although for router interfaces and static network elements and resources this can be an appropriate solution. Stateless Address Autoconfiguration (RFC2462) Stateless Address Autoconfiguration (SLAAC) is one of the most convenient methods to assign Internet addresses to IPv6 nodes. CSMA/CD Section: (none) Explanation Explanation/Reference: The ‘dynamic auto’ will configure the port to accept incoming negotiation and will accept becoming either a trunk or an access port. If you configure syslog messages without specifying the logging trap level, which log messages will the router send?

Only one device in the collision domain may transmit at any one time, and the other devices in the domain listen to the network in order to avoid data collisions. Which set of commands is required to accomplish this task? Switch B(config)# interface Fast Ethernet 0/1 Switch B(config-if)# ip address 192.168.8.252 255.255.255.0 Switch B(config-if)# no shutdown B. But to manage switch via telnet the VLAN32 on the switch needs to be configured interface vlan32 along with ip address and its appropriate default-gateway address. Switch3 with a smaller MAC address will provide a designated port for printers. Native VLAN is the default VLAN configuration of port. All ports will be in a state of discarding, learning, or forwarding. The routing updates proceed step by step from router to router. Given the output that is shown, what three statements are true of these devices? HFD(config)# ip route 10.5.4.6 255.255.255.0 10.5.6.0 CD Explanation: The simple syntax of static route: ip route destination-network-address subnet-mask destination-network-address: destination network address of the remote network subnet mask: subnet mask of the destination network next-hop-IP-address: the IP address of the receiving interface on the next-hop router exit-interface: the local interface of this router where the packets will go out In the statement “ip route 10.5.6.0 255.255.255.0 fa0/0: 10.5.6.0 255.255.255.0: the destination network fa0/0: the exit-interface 103 Before installing a new, upgraded version of the IOS, what should be checked on the router, and which command should be used to gather this information? Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated. In keeping with the friendly neighbor terminology, a Hello protocol is used for this step. Areas are introduced to put a boundary on the explosion of link-state updates. The boot system flash command is missing from the configuration. The network administrator has made a mistake because the command “copy startup-config runningconfig” will copy the startup config (which is empty) over the running config (which is configured by the administrator). Note: We can tell the router to ignore the start-up configuration on the next reload by setting the register to 0? This will make the “System Configuration Dialog” appear at the next reload. A mismatched trunk encapsulation would not result in input errors and CRC errors. The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2. Dynamic address mapping is enabled by default for all protocols enabled on a physical interface. by configuring an MD5 encrypted key to be used by routing protocols to validate routing exchanges E. To make a trunk link the port should configured as a trunk port, not an access port, by using the following command: (Config-if)#switchport mode trunk 211 Refer to the exhibit. If the devices produced the given output, what is the cause of the Ether Channel problem? SW1’s Fa0/1 interface is administratively shut down. There is an encapsulation mismatch between SW1’s Fa0/1 and SW2’s Fa0/1 interfaces. There is an MTU mismatch between SW1’s Fa0/1 and SW2’s Fa0/1 interfaces. There is a speed mismatch between SW1’s Fa0/1 and SW2’s Fa0/1 interfaces. To enable the SNMP agent on a Cisco routing device, you must define the relationship between the manager and the agent. 381 Assuming a subnet mask of 255.255.248.0, three of the following addresses are valid host addresses. Manual Assignment An IPv6 address can be statically configured by a human operator. If there are 3 hosts connected in one port of a switch and two other hosts connected in another port, how may collision domains are present on the router?

Collision Domain: A group of Ethernet or Fast Ethernet devices in a CSMA/CD LAN that are connected by repeaters and compete for access on the network. A technician has installed Switch B and needs to configure it for remote access from the management workstation connected to Switch A . Which of the following statements describe the network shown in the graphic? Because each switch has the same information about the network, this process ensures that the network topology is maintained and optimized per VLAN. The network administrator normally establishes a Telnet session with the switch from host A . The administrator’s attempt to telnet to the switch from host B fails, but pings to the other two hosts are successful. D Explanation: Ping was successful form host B to other hosts because of intervlan routing configured on router. Receiver switches will transmit all unmarked packets to Native VLAN. In distance vector routing protocols, routers discover the best path to destination from each neighbor. The serial network between the two devices has a mask of 255.255.255.252. HFD(config)# ip route 10.5.4.6 0.0.0.255 10.5.6.0 F. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop indicates the total time spent to establish the connection. TTL packets from designated routers AC Explanation: Neighbor discovery is the first step in getting a link state environment up and running. Any change in routing information is flooded to all routers in the network. A Explanation: The “System Configuration Dialog” appears only when no startup configuration file is found. C Explanation: Here we can see that this port is configured for full duplex, so the next step would be to check the duplex setting of the port on the other switch. The routers cannot establish an adjacency relationship on their common Ethernet link. Once the requesting router receives an Inverse ARP response, it updates its DLCI-to-Layer 3 address mapping table. by requiring entry of encrypted passwords for access to the device D. C Explanation: According to the output shown the switchport (layer 2 Switching) is enabled and the port is in access mode. interface Fast Ethernet 0/3 channel-group 2 mode on switchport trunk encapsulation dot1q switchport mode trunk 291 Refer to the exhibit. It can support multiple IPv6 subnets on a single link. It supports up to 2 instances of OSPFv3 over a common link. The agent and MIB reside on the routing device (router, access server, or switch). It requires an enterprise license in order to be implemented. It requires that the destination device be configured to support Telnet connections. The various IPv6 address assignment methods are as follows: 1. The possible values for level are as follows: Emergency: 0 Alert: 1 Critical: 2 Error: 3 Warning: 4 Notice: 5 Informational: 6 Debug: 7 616. Which switching method duplicates the first six bytes of a frame before making a switching decision?

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