SEC 230 Midterm

Delete the startup configuration and the vlan.dat file in the flash memory of the switch and reboot the switch

A Cisco Catalyst switch has been added to support the use of multiple VLANs as part of an enterprise network. The network technician finds it necessary to clear all VLAN information from the switch in order to incorporate a new network design. What should the technician do to accomplish this task? Erase the startup configuration and reboot the switch Erase the running configuration and reboot the switch Delete the startup configuration and the vlan.dat file in the flash memory of the switch and reboot the switch Delete the IP address that is assigned to the management VLAN and reboot the switch.

ip nat inside source static tcp 10.18.7.5 443 209.165.200.225 443 ip nat inside source static udp 10.18.7.5 4365 209.165.200.225 4365

A college marketing department has a networked storage device that uses the IP address 10.18.7.5, TCP port 443 for encryption, and UDP port 4365 for video streaming. The college already uses PAT on the router that connects to the Internet. The router interface has the public IP address of 209.165.200.225/30. The IP NAT pool currently uses the IP addresses ranging from 209.165.200.228.236. Which configuration would the network administrator add to allow this device to be accessed by the marketing personnel from home? ip nat inside source static tcp 209.165.200.225 443 10.18.7.5 443 ip nat inside source static udp 209.165.200.225 4365 10.18.7.5 4365 No additional configuration is necessary ip nat pool mktv 10.18.7.5 10.18.7.5 ip nat inside source static tcp 10.18.7.5 443 209.165.200.225 443 ip nat inside source static udp 10.18.7.5 4365 209.165.200.225 4365 ip nat outside source static 10.18.7.5 209.165.200.225

The router will propagate a static default route in its RIP updates, if one is present

A network administrator adds the default-information originate command to the configuration of a router that uses RIP as the routing protocol. What will result from adding this command? The router will only forward packets that originate on directly connected networks. The router will propagate a static default route in its RIP updates, if one is present The router will be reset to the default factory information The router will not forward routing information that is learned from other routers

vty lines default gateway IP address

A network administrator is configuring a new Cisco switch for remote management access. Which three items must be configured on the switch for the task? (Choose three.) vty lines VTP domain loopback address default VLAN default gateway IP address

protect

A network administrator is configuring port security on a Cisco switch. When a violation occurs, which violation mode that is configured on an interface will cause packets with an unknown source address to be dropped with no notification sent? off restrict protect shutdown

0.0.1.255

A network administrator is designing an ACL. The networks 192.168.1.0/25, 192.168.0.0/25, 192.168.0.128/25, 192.168.1.128/26, and 192.168.1.192/26 are affected by the ACL. Which wildcard mask, if any, is the most efficient to use when specifying all of these networks in a single ACL permit entry? 0.0.0.127 0.0.0.255 0.0.1.255 0.0.255.255 A single ACL command and wildcard mask should not be used to specify these particular networks or other traffic will be permitted or denied and present a security risk.

level 2 child route ultimate route

A network administrator reviews the routing table on the router and sees a route to the destination network 172.16.64.0/18 with a next-hop IP address of 192.168.1.1. What are two descriptions of this route? (Choose two.) parent route default route level 2 child route ultimate route supernet route

access-class 11 in

A network engineer has created a standard ACL to control SSH access to a router. Which command will apply the ACL to the VTY lines? access-group 11 in access-class 11 in access-list 11 in access-list 110 in

show cdp neighbors

A network engineer is interested in obtaining specific information relevant to the operation of both distribution and access layer Cisco devices. Which command provides common information relevant to both types of devices? show port-security show ip interface show ip protocols show mac-address-table show cdp neighbors

sticky secure MAC addresses

A network technician has been asked to secure all switches in the campus network. The security requirements are for each switch to automatically learn and add MAC addresses to both the address table and the running configuration. Which port security configuration will meet these requirements? auto secure MAC addresses dynamic secure MAC addresses static secure MAC addresses sticky secure MAC addresses

ip route 172.16.32.0 255.255.224.0 S0/0/0 200

A router has used the OSPF protocol to learn a route to the 172.16.32.0/19 network. Which command will implement a backup floating static route to this network? ip route 172.16.0.0 255.255.240.0 S0/0/0 200 ip route 172.16.32.0 255.255.224.0 S0/0/0 200 ip route 172.16.0.0 255.255.224.0 S0/0/0 100 ip route 172.16.32.0 255.255.0.0 S0/0/0 100

They Improve network security They use fewer router resources

Compared with dynamic routes, what are two advantages of using static routes on a router? (Choose two.) They automatically switch the path to the destination network when the topology changes They Improve network security They take less time to converge when the network topology changes They use fewer router resources They improve the efficiency of discovering neighboring networks.

access

Employees of a company connect their wireless laptop computers to the enterprise LAN via wireless access points that are cabled to the Ethernet ports of switches. At which layer of the three-layer hierarchical network design model do these switches operate? physical access core data link distribution

when the Layer 2 switch needs to be remotely managed

In what situation would a Layer 2 switch have an IP address configured? when the Layer 2 switch is using a routed port when the Layer 2 switch needs to be remotely managed when the Layer 2 switch is the default gateway of user traffic when the Layer 2 switch needs to forward user traffic to another device

resiliency -> This provides "always-on" dependability hierarchical -> Layers minimize the number of devices on any one tier that share a single point of failure modularity -> Each layer has specific roles and functions that can scale easily flexibility -> This shares the network traffic load across all network resources none -> This provides quality of service and additional security

Match each borderless switched network principle to its description (Not all options are used) resiliency -> This provides "always-on" dependability hierarchical -> Layers minimize the number of devices on any one tier that share a single point of failure modularity -> Each layer has specific roles and functions that can scale easily flexibility -> This shares the network traffic load across all network resources none -> This provides quality of service and additional security

console access -> Not Scored full operating system -> flash limited operating system -> ROM routing table -> RAM startup configuration file -> NVRAM

Match the router memory type that provides the primary storage for the router feature. (Not all options are used.) console access -> Not Scored full operating system -> flash limited operating system -> ROM routing table -> RAM startup configuration file -> NVRAM

The state is not maintained by the DHCPv6 server under stateless DHCPv6 operation.

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 default gateway address is not provided in the pool. No clients have communicated with the DHCPv6 server yet. The IPv6 DHCP pool configuration has no IPv6 address range specified. The state is not maintained by the DHCPv6 server under stateless DHCPv6 operation.

It identifies the VLAN number

Refer to the exhibit. A network administrator is configuring inter-VLAN routing on a network. For now, only one VLAN is being used, but more will be added soon. What is the missing parameter that is shown as the highlighted question mark in the graphic? It identifies the type of encapsulation that is used It identifies the VLAN number It identifies the subinterface It identifies the number of hosts that are allowed on the interface It identifies the native VLAN number

Product Activation Key

Refer to the exhibit. An administrator is examining the message in a syslog server. What can be determined from the message? This is an error message that indicates the system is unusable. This is an alert message for which immediate action is needed This is an error message for which warning conditions exist This is a notification message for a normal but significant condition

The inside global address is not on the same subnet as the ISP T

Refer to the exhibit. An administrator is trying to configure PAT on R1, but PC-A is unable to access the Internet. The administrator tries to ping a server on the Internet from PC-A and collects the debugs that are shown in the exhibit. Based on this output, what is most likely the cause of the problem? The inside and outside NAT interlaces have been configured backwards The inside global address is not on the same subnet as the ISP The address on Fa0/0 should be 64.100.0.1. The NAT source access list matches the wrong address range.

2

Refer to the exhibit. Assuming that the routing tables are up to date and no ARP messages are needed, after a packet leaves H1, how many times is the L2 header rewritten in the path to H3? 1 2 3 4 5 6

PAT using an external interface

Refer to the exhibit. Based on the output that is shown, what type of NAT has been implemented? static NAT with a NAT pool static NAT with one entry dynamic NAT with a pool of two public IP addresses PAT using an external interface

ip route 10.10.0.0 255.255.0.0 209.165.200.225 100

Refer to the exhibit. Currently router R1 uses an EIGRP route learned from Branch2 to reach the 10.10.0.0/16 network. Which floating static route would create a backup route to the 10.10.0.0/16 network in the event that the link between R1 and Branch2 goes down? ip route 10.10.0.0 255.255.0.0 Serial 00/0 100 ip route 10.10.0.0 255.255.0.0 209.165.200.226 100 ip route 10.10.0.0 255.255.0.0 209.165.200.225 100 ip route 10.10.0.0 255.255.0.0 209.165.200.225 50

203.0.113.5

Refer to the exhibit. NAT is configured on Remote and Main. The PC is sending a request to the web server. What IPv4 address is the source IP address in the packet between Main and the web server? 10.130.5.76 209.165.200.245 203.0.113.5 172.16.1.10 192.0.2.1 209.165.200.226

192.168.11.252

Refer to the exhibit. The network administrator enters these commands into the R1 router: R1# copy running-config tftp Address or name of remote host [ ] When the router prompts for an address or remote host name, what IP address should the administrator enter at the prompt? 192.168.10.2 192.168.11.252 192.168.11.254 192.168.9.254 192.168.10.1

1

Refer to the exhibit. What is the administrative distance value that indicates the route for R2 to reach the 10.10.0.0/16 network? 1 0 90 20512256

IEEE 802.1Q

Refer to the exhibit. What protocol should be configured on SW-A Port 0/1 if it is to send traffic from multiple VLANs to switch SW-B? RIP v2 IEEE 802.1Q Spanning Tree ARP Rapid Spanning Tree

172.16.100.64

Refer to the exhibit. Which highlighted value represents a specific destination network in the routing table? 0.0.0.0 172.16.100.64 172.16.100.2 110 791

S 10.17.2.0/24 [1/0] via 10.16.2.2

Refer to the exhibit. Which route was configured as a static route to a specific network using the next-hop address? S 10.17.2.0/24 [1/0] via 10.16.2.2 S 0.0.0.0/0 [1/0] via 10.16.2.2 C 10.16.2.0/24 is directly connected, Serial0/0/0 S 10.17.2.0/24 is directly connected, Serial 0/0/0

ipv6 nd other-config-flag

Refer to the exhibit. Which statement shown in the output allows router R1 to respond to stateless DHCPv6 requests? ipv6 unicast-routing ipv6 nd other-config-flag ipv6 dhcp server LAN1 prefix-delegation 2001:DB8:8::/48 00030001000E84244E70 dns-server 2001:DB8:8::8

access-list 2 permit host 192.168.10.131 access-list 2 permit host 192.168.10.201 access-list 5 permit 192.168.10.128 0.0.0.63 access-list 5 permit 192.168.10.192 0.0.0.63

Refer to the exhibit. Which two ACLs would permit only the two LAN networks attached to R2 to access the network that connects to R1 G0/0 interface? (Choose two.) access-list 4 permit 192.168.10.0 0.0.0.255 access-list 1 permit 192.168.10.128 0.0.0.127 access-list 2 permit host 192.168.10.131 access-list 2 permit host 192.168.10.201 access-list 5 permit 192.168.10.128 0.0.0.63 access-list 5 permit 192.168.10.192 0.0.0.63 access-list 3 permit 192.168.10.128 0.0.0.63

access-class 5 in access-list 5 permit 10.7.0.0 0.0.0.31

The computers used by the network administrators for a school are on the 10.7.0.0/27 network. Which two commands are needed at a minimum to apply an ACL that will ensure that only devices that are used by the network administrators will be allowed Telnet access to the routers? (Choose two.) access-class 5 in access-list 5 deny any access-list standard VTY permit 10.7.0.0 0.0.0.127 access-list 5 permit 10.7.0.0 0.0.0.31 ip access-group 5 out ip access-group 5 in

switchport mode access switchport port-security switchport port-security maximum 2 switchport port-security mac-address sticky switchport port-security violation restrict

Two employees in the Sales department work different shifts with their laptop computers and share the same Ethernet port in the office. Which set of commands would allow only these two laptops to use the Ethernet port and create violation log entry without shutting down the port if a violation occurs? switchport mode access switchport port-security switchport mode access switchport port-security switchport port-security maximum 2 switchport port-security mac-address sticky switchport port-security violation restrict* switchport mode access switchport port-security maximum 2 switchport port-security mac-address sticky switchport mode access switchport port-security maximum 2 switchport port-security mac-address sticky switchport port-security violation protect

All VLANs will be allowed across the trunk

What VLANs are allowed across a trunk when the range of allowed VLANs is set to the default value? The switches will negotiate via VTP which VLANs to allow across the trunk Only VLAN 1 will be allowed across the trunk. Only the native VLAN will be allowed across the trunk All VLANs will be allowed across the trunk

to specify the destinations of captured messages to select the type of logging information that is captured to gather logging information for monitoring and troubleshooting

What are three functions provided by the syslog service? (Choose three.) to specify the destinations of captured messages to periodically poll agents for data to select the type of logging information that is captured to gather logging information for monitoring and troubleshooting to provide traffic analysis to provide statistics on packets that are flowing through a Cisco device

provides access to the rest of the network through switching, routing, and network access policies

What is a characteristic of the distribution layer in the three layer hierarchical model? provides access to the rest of the network through switching, routing, and network access policies distributes access to end users represents the network edge acts as the backbone for the network, aggregating and distributing network traffic throughout the campus

easy IP address management

What is the reason that an ISP commonly assigns a DHCP address to a wireless router in a SOHO environment? better connectivity easy IP address management better network performance easy configuration on ISP firewall

to notify other DHCP servers on the subnet that the IP address was leased

What is the reason why the DHCPREQUEST message is sent as a broadcast during the DHCPv4 process? for hosts on other subnets to receive the information to notify other hosts not to request the same IP address for routers to fill their routing tables with this new information to notify other DHCP servers on the subnet that the IP address was leased

::/0

What network prefix and prefix-length combination is used to create a default static route that will match any IPv6 destination? :/128 FFFF:/128 ::1/64 ::/0

Product Activation Key

When a customer purchases a Cisco IOS 15.0 software package, what serves as the receipt for that customer and is used to obtain the license as well? Software Claim Certificate Unique Device Identifier End User License Agreement Product Activation Key

ip address dhcp

Which command, when issued in the interface configuration mode of a router, enables the interface to acquire an IPv4 address automatically from an ISP, when that link to the ISP is enabled? ip dhcp pool ip address dhcp service dhcp ip helper-address

the source MAC address and the incoming port

Which information does a switch use to populate the MAC address table? the destination MAC address and the incoming port the destination MAC address and the outgoing port the source and destination MAC addresses and the incoming port the source and destination MAC addresses and the outgoing port the source MAC address and the incoming port the source MAC address and the outgoing port

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

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 192.168.100.254 ip dhcp pool LAN POOL-100 network 192.168.100.0 255.255.255.0 ip default gateway 192.168.100.1 ip dhcp excluded-address 192.168.100.1 192.168.100.9 ip dhcp excluded-address 192.168.101.254 ip dhcp pool LAN POOL-100 ip network 192.168.100.0 255.255.254.0 ip default-gateway 192.168.100.1 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 dhcp pool LAN-POOL 100 ip dhcp excluded-address 192.168.100.1 192.168.100.9 ip dhcp excluded-address 192.168.100.254 network 192.168.100.0 255.255.254.0 default-router 192.168.101.1

It is automatically updated and maintained by routing protocols.

Which statement describes a route that has been learned dynamically? It is automatically updated and maintained by routing protocols. It is unaffected by changes in the topology of the network. It has an administrative distance of 1. It is identified by the prefix C in the routing table.

Frame forwarding decisions are based on MAC address and port mappings in the CAM table

Which statement is correct about Ethernet switch frame forwarding decisions? Unicast frames are always forwarded regardless of the destination MAC address Frame forwarding decisions are based on MAC address and port mappings in the CAM table Cut-through frame forwarding ensures that invalid frames are always dropped Only frames with a broadcast destination address are forwarded out all active switch ports

store-and-forward switching

Which switching method drops frames that fail the FCS check? borderless switching cut-through switching ingress port buffering store-and-forward switching

scalability speed of convergence

Which two factors are important when deciding which interior gateway routing protocol to use? (Choose two.) scalability ISP selection speed of convergence the autonomous system that is used campus backbone architecture

The NTP master will claim to be synchronized at the configured stratum number.* Other systems will be willing to synchronize to that master using NTP.*

Which two statements are correct if a configured NTP master on a network cannot reach any clock with a lower stratum number? (Choose two.) The NTP master will claim to be synchronized at the configured stratum number. An NTP server with a higher stratum number will become the master. Other systems will be willing to synchronize to that master using NTP. The NTP master will be the clock with 1 as its stratum number. The NTP master will lower its stratum number.

floating static route

Which type of static route is configured with a greater administrative distance to provide a backup route to a route learned from a dynamic routing protocol? floating static route default static route summary static route standard static route

NAT-POOL2 is bound to the wrong ACL

efer to the exhibit. A network administrator has configured R2 for PAT. Why is the configuration incorrect? NAT-POOL2 is bound to the wrong ACL The ACL does not define the list of addresses to be translated. The overload keyword should not have been applied. The static NAT entry is missing

configured to carry user generated traffic - data VLANS all switch ports are assigned to this switch VLAN after initial bootup of the switch - default VLAN carries untagged traffic - native VLAN an ip address and subnet mask are assigned to this VLAN, allowing the switch to be accessed by HTTP, Telnet, SSH or SNMP - management vlan

match the description to the correct vlan type.

The output is the result of the show ip nat translations command The host with the address 209.165.200.235 will respond to requests by using a source address of 192.168.10.10

output as shown in the exhibit? (Choose two.) The host with the address 209.165.200.235 will respond to requests by using a source address of 209.165.200.235 The output is the result of the show ip nat translations command Traffic with the destination address of a public web server will be sourced from the IP of 192.168.1.10. The host with the address 209.165.200.235 will respond to requests by using a source address of 192.168.10.10. The output is the result of the show ip nat statistics command