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Netw 2 FA2
| Question | Answer |
|---|---|
| When the show spanning-tree vlan 33 command is issued on a switch, three ports are shown in the forwarding state. In which port role could these interfaces function while in the forwarding state? | designated |
| After an EtherChannel is configured between two Cisco switches, interface port-channel 1 is in the down/down state. Switch A is configured with channel-group 1 mode active, while Switch B is configured with channel-group 1 mode desirable. | The switches are using mismatched EtherChannel negotiation modes. |
| Which statement best describes implementing a Layer 3 EtherChannel? | A Layer 3 address is assigned to the channel-group interface. 2nd try: Implementation requires switchport mode trunk and matching parameters between switches. |
| Which one parameter must match on the ports of two switches to create a PAgP EtherChannel between the switches? | VLAN information |
| What is the purpose of the Spanning Tree Protocol (STP)? | prevents Layer 2 loops |
| Which one parameter must match on the ports of two switches to create a PAgP EtherChannel between the switches? | speed |
| Which spanning tree standard supports only one root bridge so that traffic from all VLANs flows over the same path? | 802.1D |
| A switch is configured to run STP. What term describes a field that has a default value of 32,768 and is the initial deciding factor when electing a root bridge? | bridge priority |
| You have two switches connected together with two crossover cables for redundancy, and STP is disabled. Which of the following will happen between the switches? | Broadcast storms will occur on the switched network. |
| A network administrator is configuring an EtherChannel link between switches SW1 and SW2 by using the command SW1(config-if-range)# channel-group 1 mode auto . Which command must be used on SW2 to enable this EtherChannel? | SW2(config-if-range)# channel-group 1 mode desirable |
| What does the command channel-group 1 mode desirable do? Interface FastEthernet 0/13 Channel-group 1 mode desirable | enables PAgP unconditionally *** |
| A small company network has six interconnected Layer 2 switches. Currently all switches are using the default bridge priority value. Which value can be used to configure the bridge priority of one of the switches to ensure that it becomes the root bridge | 28672 |
| Which mode configuration setting would allow formation of an EtherChannel link between switches SW1 and SW2 without sending negotiation traffic? | SW1: on SW2: on |
| What one is a requirement to be able to configure an EtherChannel between two switches? | All the interfaces need to be working in the same duplex mode. |
| Which port role is assigned to the switch port that has the lowest cost to reach the root bridge? | root port |
| Which settings must match on both sides of the switch ports to form an EtherChannel? | Interface speed, duplex & vlan should match |
| Refer to the exhibit. The administrator tried to create an EtherChannel between S1 and the other two switches via the commands that are shown, but was unsuccessful. What is the problem? | Traffic cannot be sent to two different switches through the same EtherChannel link. |
| When a range of ports is being configured for EtherChannel, which mode will configure PAgP so that it initiates the EtherChannel negotiation? | Desirable |
| Which one is an advantage of using LACP? | It allows directly connected switches to negotiate an EtherChannel link. |
| IEEE standard that reduces the number of STP instances | MSTP |
| ipconfig/all command can be used in Routers. | False |
| The address pool of a DHCP server is configured with 10.3.2.0/24. The network administrator reserves 3 IP addresses for printers. How many IP addresses are left in the pool to be assigned to other hosts? | 251 |
| To enable SLAAC, it should have the following: Link-local IPv6 address, Global Unicast address / subnet and IPv6 all-nodes group. | True |
| Which address does a DHCPv4 server target when sending a DHCPOFFER message to a client that makes an address request? | client hardware address |
| Refer to the exhibit. A network administrator is configuring a router as a DHCPv6 server. The administrator issues a show ipv6 dhcp pool command to verify the configuration. Which statement explains the reason that the number of active clients is 0? | The state is not maintained by the DHCPv6 server under stateless DHCPv6 operation. |
| The address pool of a DHCP server is configured with 192.168.184.0/26. The network administrator reserves 18 IP addresses for access points. How many IP addresses are left in the pool to be assigned to other hosts? | 44 |
| By default, an IPv6-enabled router periodically send ICMPv6 RAs which simplifies how a host can dynamically create or acquire its IPv6 configuration | True |
| A company uses DHCP servers to dynamically assign IPv4 addresses to employee workstations. The address lease duration is set as 5 days. An employee returns to the office after an absence of one week. When the employee boots the workstation, it sends a mes | FF-FF-FF-FF-FF-FF and 255.255.255.255 |
| An administrator issues the commands: Router(config)# interface g0/1 Router(config-if)# ip address dhcp What is the administrator trying to achieve? | configuring the router to obtain IP parameters from a DHCPv4 server |
| A company implements the stateless DHCPv6 method for configuring IPv6 addresses on employee workstations. After a workstation receives messages from multiple DHCPv6 servers to indicate their availability for DHCPv6 service, which message does it send to a | DHCPv6 INFORMATION-REQUEST |
| Which set of commands will configure a router as a DHCP server that will assign IPv4 addresses to the 192.168.100.0/23 LAN while reserving the first 10 and the last addresses for static assignment? | ip dhcp excluded-address 192.168.100.1 192.168.100.10 ip dhcp excluded-address 192.168.101.254 ip dhcp pool LAN-POOL-100 network 192.168.100.0 255.255.254.0 default-router 192.168.100.1 |
| SLAAC is a service which means there is a server that maintains network address information to know which IPv6 addresses are being used and which ones are available. | False |
| A network administrator is analyzing the features that are supported by different first-hop router redundancy protocols. Which statement describes a feature that is associated with HSRP? | HSRP uses active and standby routers. |
| Which is a DHCPv4 address allocation method that assigns IPv4 addresses for a limited lease period? | dynamic allocation |
| Which DHCP IPv4 message contains the following information? Destination address: 255.255.255.255 Client IPv4 address: 0.0.0.0 Default gateway address: 0.0.0.0 Subnet mask: 0.0.0.0 | DHCPDISCOVER |
| A router that provides DHCPv6 forwarding services is a DHCP Server. | False |
| A client device on an Ethernet segment needs an IP address in order to communicate on the network. A DHCP server with IP address 192.168.1.1 has been configured and enabled on the network. How will a client device obtain a usable IP address for this netwo | Send a DHCPDISCOVER message to physical address FF-FF-FF-FF-FF-FF. |
| The O flag signifies to use a stateful DHCPv6 server to obtain an IPv6 Global Unicast Address. | False |
| Which protocol automates assignment of IP addresses on a network, and which port number does it use? | DHCP |
| Under which circumstance would a router usually be configured as a DHCPv4 client? | The router is intended to be used as a SOHO gateway. |
| Which one is load-balancing method in the EtherChannel technology? | source IP to destination IP |
| Which protocol is a link aggregation protocol? | PAgP |
| What is a characteristic of spanning tree? | It is enabled by default on Cisco switches. |
| A set of switches is being connected in a LAN topology. Which STP bridge priority value will make it least likely for the switch to be selected as the root? | 61440 |
| Refer to the exhibit. An EtherChannel was configured between switches S1 and S2, but the interfaces do not form an EtherChannel. What is the problem? | The EtherChannel was not configured with the same allowed range of VLANs on each interface. |
| Which mode is in PAgP? | Auto |
| Which statement describes a characteristic of EtherChannel? | It is made by combining multiple physical links that are seen as one link between two switches. |
| Which technology is an open protocol standard that allows switches to automatically bundle physical ports into a single logical link? | LACP |
| Which statement is true regarding the Port Aggregation Protocol? | Configuration changes made on the port-channel interface apply to all physical ports assigned to the port-channel interface. |
| A network administrator configured an EtherChannel link with three interfaces between two switches. What is the result if one of the three interfaces is down? | The remaining two interfaces continue to load balance traffic. |
| What is a requirement to configure a trunking EtherChannel between two switches? | The allowed range of VLANs must be the same on both switches. |
| Which channel group mode would place an interface in a negotiating state using PAgP? | desirable |
| Which mode is in PAgP? | Auto |
| Which one is an advantage of using LACP? | It allows the use of multivendor devices. |
| Refer to the exhibit. While troubleshooting a switch, you executed the “show interface port-channel 1 etherchannel” command and it returned this output. | the number source-destination pairs on the link |
| It is a Fast converging enhancement of IEEE 802.1D | RSTP |
| To verify that the hosts have received IPv6 addressing information, use the ipconfig/all command. | True |
| The O flag signifies that additional information is available from a stateless DHCPv6 server | True |
| Refer to the exhibit. A network engineer is troubleshooting host connectivity on a LAN that uses a first hop redundancy protocol. Which IPv4 gateway address should be configured on the host? | 192.168.2.100 |
| The following configuration are used to configure stateless DHCPv6 Client on a Router. R(config)# ipv6 unicast-routing R(config)# interface interface-type interface-number R(config-if)#ipv6 enable R(config-if)#ipv6 address autoconfig | True |
| What is a method that can be used to generate an interface ID by an IPv6 host that is using SLAAC?. | random generation |
| The first step in configuring a Stateless DHCPv6 server is enabling the IPv6 routing using the ipv6 unicast-routing command | True |
| Which command will allow a network administrator to check the IP address that is assigned to a particular MAC address? | Router# show ip dhcp binding |
| The second step in configuring a stateless DHCPv6 is to enable ipv6 unicast-routing command. | True |
| By default, IPv6 addressing is enable in router. | False |
| Refer to the exhibit. Based on the output that is shown, what kind of IPv6 addressing is being configured? | stateless DHCPv6 |
| A Flag signifies to use SLAAC to create an IPv6 Global Unicast Address | True |
| To verify a Stateless DHCPv6 Client Router receiver other necessary DHPCv6 information, using The show ipv6 dhcp interface-type interface-number command in global configuration mode of the Server Router. | False |
| The address pool of a DHCP server is configured with 10.19.44.0/24. The network administrator reserves 6 IP addresses for servers. How many IP addresses are left in the pool to be assigned to other hosts? | 248 |
| The A flag signifies to use a stateful DHCPv6 server to obtain an IPv6 Global Unicast Address. | False |
| A router that provided DHCPv6 forwarding services is a DHCP Relay Agent | True |
| Refer to the exhibit. Which destination MAC address is used when frames are sent from the workstation to the default gateway? | MAC address of the virtual router |
| Which statement describes a spanning-tree network that has converged? | All switch and bridge ports are in either the forwarding or blocking state. |
| Refer to the exhibit. Which switching technology would allow each access layer switch link to be aggregated to provide more bandwidth between each Layer 2 switch and the Layer 3 switch? | EtherChannel |
| Which is a PVST+ port state is MAC addresses learned? | forwarding |
| A switch is configured to run STP. What term describes a non-root port that is permitted to forward traffic on the network? | designated port |
| Which one is a network design feature that requires Spanning Tree Protocol (STP) to ensure correct network operation? | redundant links between Layer 2 switches |
| Refer to the exhibit. A network administrator is configuring an EtherChannel link between two switches, SW1 and SW2. Which statement describes the effect after the commands are issued on SW1 and SW2? | The EtherChannel fails to establish. |
| Which of the following statement is true? | A switch creates separate collision domains but one broadcast domain. A router provides a separate broadcast domain. |
| Which one is an advantage of EtherChannel? | Configuring the EtherChannel interface provides consistency in the configuration of the physical links. |
| It is the Proprietary per VLAN implementation of IEEE 802.1w | RAPID PVST+ |
| SLAAC is a service which means there is no server that maintains network address information to know which IPv6 addresses are being used and which ones are available. | True |
| Type a command to exclude the first fifteen useable IP addresses from a DHCPv4 address pool of the network 10.0.15.0/24. Router(config)# ip dhcp ______________ | excluded-address |
| A company uses DHCP to manage IP address deployment for employee workstations. The IT department deploys multiple DHCP servers in the data center and uses DHCP relay agents to facilitate the DHCP requests from workstations. Which one UDP port is used to | 67 |
| The address pool of a DHCP server is configured with 172.18.93.0/25. The network administrator reserves 10 IP addresses for web servers. How many IP addresses are left in the pool to be assigned to other hosts? | 116 |
| A DHCP-enabled client PC has just booted. During which steps will the client PC use broadcast messages when communicating with a DHCP server? | DHCPDISCOVER |
| Refer to the exhibit. What should be done to allow PC-A to receive an IPv6 address from the DHCPv6 server? | Add the ipv6 dhcp relay command to interface Fa0/0. |
| What is the result of a network technician issuing the command ip dhcp excluded-address 10.0.15.1 10.0.15.15 on a Cisco router? | The Cisco router will exclude 15 IP addresses from being leased to DHCP clients. |
| The M flag signifies that additional information is available from a stateless DHCPv6 server | False |
| The address pool of a DHCP server is configured with 172.23.143.0/26. The network administrator reserves 14 IP addresses for file servers. How many IP addresses are left in the pool to be assigned to other hosts? | 48 |
| Which message does an IPv4 host use to reply when it receives a DHCPOFFER message from a DHCP server? | DHCPREQUEST |
| When a client is requesting an initial address lease from a DHCP server, why is the DHCPREQUEST message sent as a broadcast? | The client may have received offers from multiple servers, and the broadcast serves to implicitly decline those other offers. |
| A host PC is attempting to lease an address through DHCP. What message is sent by the server to let the client know it is able to use the provided IP information? | DHCPACK |
| A switch is configured to run STP. What term describes the reference point for all path calculations? | root bridge |
| A switch is configured to run STP. What term describes a field that has a default value of 32,768 and is the initial deciding factor when electing a root bridge? | bridge priority |
| A switch is configured to run STP. What term describes a field used to specify a VLAN ID? | extended system ID |
| Which statement is true about EtherChannel? | A trunk port can be part of an EtherChannel bundle |
| Rapid PVST+ is___________. | A Cisco enhancement of RSTP to provide a spanning-tree instance for each VLAN |
| Which one is an advantage of EtherChannel? | Spanning Tree Protocol views the physical links in an EtherChannel as one logical connection. |
| A switch is configured to run STP. What term describes a non-root port that is permitted to forward traffic on the network? | designated port |
| A switch is configured to run STP. What term describes a field used to specify a VLAN ID? | extended system ID |
| What is the function of STP in a scalable network? | It disables redundant paths to eliminate Layer 2 loops. |
| In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN? | In an improperly implemented redundant topology |
| Which statement describes an EtherChannel implementation? | A trunked port can be part of an EtherChannel bundle. |
| A switch is configured to run STP. What term describes the switch port closest, in terms of overall cost, to the root bridge? | root port |
| When a range of ports is being configured for EtherChannel, which mode will configure LACP so that it initiates the EtherChannel negotiation? | Active |
| How does an IPv6 client ensure that it has a unique address after it configures its IPv6 address using the SLAAC allocation method? | It sends an ARP message with the IPv6 address as the destination IPv6 address. try 1: It sends an ICMPv6 Neighbor Solicitation message with the IPv6 address as the target IPv6 address. |
| The client accepting the IP address provided by the DHCP server | DHCPREQUEST |
| To verify a Stateless DHCPv6 Client Router receiver other necessary DHPCv6 information, using The show ipv6 dhcp interface-type interface-number command in global configuration mode of the Client Router. | True |
| The O Flag signifies to use SLAAC to create an IPv6 Global Unicast Address | False |
| Identify which message type to the order of the stateful DHCPv6 process when a client first connects to an IPv6 network. DHCPv6 Request | Step 3 |
| Refer to the exhibit. A network administrator is configuring a router for DHCPv6 operation. Which conclusion can be drawn based on the commands? | The router is configured for stateless DHCPv6 operation. |
| Refer to the exhibit. PC-A is unable to receive an IPv6 address from the stateful DHCPv6 server. What is the problem? | The ipv6 dhcp relay command should be applied to interface Gig0/0. |
| What information can be verified through the show ip dhcp binding command? | the IPv4 addresses that are assigned to hosts by the DHCP server |
| The address pool of a DHCP server is configured with 10.19.44.0/24. The network administrator reserves 3 IP addresses for servers. How many IP addresses are left in the pool to be assigned to other hosts? | 251 |
| A switch is configured to run STP. What term describes the switch port closest, in terms of overall cost, to the root bridge? | root port |
| Refer to the exhibit. A network administrator issued the show etherchannel summary command on the switch S1. What conclusion can be drawn? | The EtherChannel is not functional. |
| Refer to the exhibit. An administrator wants to form an EtherChannel between the two switches by using the Port Aggregation Protocol. If switch S1 is configured to be in auto mode, which mode should be configured on S2 to form the EtherChannel? | desirable |
| It is the Cisco Implementation of IEEE 802.1D | PVST+ |
| Which one is a network design feature that requires Spanning Tree Protocol (STP) to ensure correct network operation? | removing single points of failure with multiple Layer 2 switches |
| What does a switch do when a frame is received on an interface and the destination hardware address is unknown or not in the filter table? | Floods the network with the frame looking for the device |
| Refer to the exhibit. Which switch will be the root bridge after the election process is complete? | S2 |
| Which one is a component of a bridge ID? | bridge priority |
| A switch is configured to run STP. What term describes the reference point for all path calculations? Group of answer choices designated port root bridge root port alternate port | root bridge |
| A network administrator has configured an EtherChannel between two switches that are connected via four trunk links. If the physical interface for one of the trunk links changes to a down state, what happens to the EtherChannel? | The EtherChannel will remain functional. |
| Which protocol is used to implement EtherChannel? | Link Aggregation Control Protocol |
| Identify which message type to the order of the stateful DHCPv6 process when a client first connects to an IPv6 network. DHCPv6 SOLICIT | Step 1 |
| Which statement is true about DHCP operation? | When a device that is configured to use DHCP boots, the client broadcasts a DHCPDISCOVER message to identify any available DHCP servers on the network. |
| A client initiating a message to find a DHCP server. | DHCPDISCOVER |
| A company uses DHCP to manage IP address deployment for employee workstations. The IT department deploys multiple DHCP servers in the data center and uses DHCP relay agents to facilitate the DHCP requests from workstations. Which one UDP port is used | 67 |
| What is one indication that a Windows computer did not receive an IPv4 address from a DHCP server? | The computer receives an IP address that starts with 169.254. |
| Which kind of message is sent by a DHCP client when its IP address lease has expired? | a DHCPDISCOVER broadcast message |
| The M flag signifies to use a stateful DHCPv6 server to obtain an IPv6 Global Unicast Address. | True |
| a message that is used to suggest a lease to a client | DHCPOFFER |
| An administrator wants to configure hosts to automatically assign IPv6 addresses to themselves by the use of Router Advertisement messages, but also to obtain the DNS server address from a DHCPv6 server. Which address assignment method should be configure | stateless DHCPv6 |
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