The user successfully gained access to the router EXEC shell.
The user attempts to gain access to a local security server were unsuccessful.
The user credentials were rejected by the default authentication method.
The user access to the services was stopped because of the improper protocol that was used for the session.
Refer to the exhibit. A network administrator issues the show interfaces s0/0/0 command on a router to determine the cause for a
recent decrease in device performance. Based on the output shown, what is a possible cause of the observed performance issues?
unrecognized Layer 2 encapsulation formats on the network
In which three situations will traffic be handed off (punted) to the CPU for processing? (Choose three.)
any traffic that is going through a GRE tunnel
any traffic that is explicitly blocked by an ACL
any traffic that is destined for any of the switch IP addresses
any traffic that is assigned to a particular VLAN that is not allowed on a trunk
any traffic that is coming to an inbound port that is in the spanning-tree blocking state
any multicast and broadcast traffic that is coming from the Spanning Tree Protocol (STP) or routing protocols
An administrator has just implemented two-way route redistribution between an OSPF and EIGRP domain. However, network performance between domains quickly degraded and an investigation revealed routing loops. What action could be used to solve this issue?
Change the seed metric of the routes being redistributed.
Filter the routes being redistributed between the protocols.
Redistribute all subnets in both EIGRP and OSPF domains.
Configure an additional router to be a secondary point of route redistribution.
What content can be found in the show ip eigrp topology network mask output?
Refer to the exhibit. BPDU guard and PortFast have been configured on all edge ports on the access switches. A junior network administrator tested a new switch in the lab and verified that the bridge ID is 32887. What would happen when the Administrator plugs this switch into port Fa0/20 on ASW_1 in an attempt to extend the LAN?
Port Fa0/20 will start forwarding traffic immediately.
Port Fa0/20 will transition from blocking to forwarding state after the spanning tree convergence.
What is a characteristic of network maintenance?
Network maintenance typically excludes consideration of network changes.
Proper network maintenance will eliminate network downtime.
Maintaining network documentation is an important element of network maintenance.
The amount of resources expended on network maintenance is consistent across all companies.
Refer to the exhibit. A network administrator is troubleshooting a connectivity issue between LAN clients on routers R1 and R3. Connectivity tests from R2 to the R1 and R3 LAN segments are successful. The administrator issues the debug ip icmp command for R1 and confirms that a routing issue exists. Based on the information that is presented in the exhibit, which configuration command would correct the problem?
R1(config)# ip route 172.16.6.0 255.255.255.0 172.16.7.10
R2(config)# ip route 172.16.6.0 255.255.255.0 172.16.7.9
R2(config)# ip route 0.0.0.0 0.0.0.0 172.16.7.9
R3(config)# ip route 0.0.0.0 0.0.0.0 172.16.7.9
R3(config)# ip route 172.16.6.0 255.255.255.0 172.16.7.10
What is the final task in a structured troubleshooting process?
testing the hypothesis
documenting the changes
eliminating possible causes
Syslogs reveal malicious activity originating from an internal host that is located at IP address 10.10.10.251. From the local gateway router, the administrator successfully pings the host IP address and populates the ARP cache of the router. The administrator then issues the show ip arp 10.10.10.251 command and discovers that the MAC address of the host is 0011.9254.e2a0. What could the administrator do next to discover the physical location of the malicious host?
Issue the show mac address-table address 0011.9254.e2a0 command on various switches and follow the path to the host.
Issue the show vlan command on various switches and follow the path to the host.
Issue the traceroute 0011.9254.e2a0 command and follow the path to the host.
Issue the traceroute 10.10.10.251 command and follow the path to the host.
Which two pieces of information are displayed by the debug ip bgp command? (Choose two.)
route redistribution information
BGP related events
phases of BGP peering relationships
internal metrics of IBGP routes
Refer to the exhibit. What could be concluded about the TACACS+ failure based on the exhibited command output from debug tacacsand debug aaa authentication?
All NetFlow packets sent from R1 to the traffic collector will be sourced from IP address 126.96.36.199.
Interfaces Fa0/0 and Fa0/1 must also be included as flow-export source interfaces.
NetFlow version 5 should be configured if the infrastructure includes non-Cisco devices.
NetFlow will track all ingress traffic for interfaces Fa0/0 and Fa0/1.
NetFlow will forward the traffic statistics and packet payload content of interfaces Fa0/0 and Fa0/1 to IP address 10.10.10.1.
The UDP value 9996 is optional because it is the default NetFlow destination port number.
Refer to the exhibit. A network administrator is troubleshooting a NAT translation issue on router R2. The IP addresses of hosts on the R2 LAN are not being translated by R2. Based on the information in the exhibit, what is the issue?
The static translation prevents any new dynamic translations.
The ACL is using a wrong pool reference.
The R2 LAN is not configured as an inside interface.
Refer to the exhibit. An administrator has configured VRRP on routers R1 and R2. However, no output is generated using the show vrrp brief command on router R1. The administrator then verifies the VRRP interface and key chain configurations. Based on the output in the exhibit, what is the cause of the problem?
RTB did not see its router ID in the hello packet that was received from RTA.
RTB did not receive a hello packet from RTA.
RTB is able to exchange routing updates with RTA.
RTB has established an adjacency with RTA.
Refer to the exhibit. A network administrator is troubleshooting a connectivity issue between R1 and R2. The routers are failing to create a neighbor relationship and no OSPF HELLO packets are traversing the Frame Relay link. Based on the output, what does the administrator need to do on R1 to correct the issue?
Change the OSPF neighbor to point to the global unicast address of R2.
Change the IPv6 address on Serial 0/0/0 to be in the same segment as the Serial 0/0/0 interface of R2.
Remove the broadcast keyword from the frame-relay map statement.
Refer to the exhibit. You have been asked to troubleshoot a connectivity issue between R3 and R1. From the partial output of theshow running-config command on both routers, what configuration change is required?
The trunk between R1 and SW1 does not support QoS.
SW1 is resetting the DSCP values supplied by the Lightweight AP.
The Wireless LAN Controller has not been configured to support voice traffic.
QoS has not been enabled between the Lightweight AP and the Wireless LAN Controller.
Which backup mechanism presents the highest security risk?
An administrator notices that CDP is disabled on a port that connects to an IP phone. What effect will this have?
The phone will experience intermittent connectivity.
The phone will be placed into the default VLAN.
The phone will not be able to discover auxiliary VLAN information, QoS settings, or automatically negotiate power settings.
The phone will be able to make calls but will not be able to receive calls.
Which two conditions could cause two routers to have trouble establishing a neighbor relationship in an OSPF network? (Choose two.)
The interfaces have different network types.
Hello packets are not sent from either neighbor.
One of the routers is redistributing the OSPF routes into EIGRP.
Slow network connections cause OSPF advertisements to time out.
The network command has put the connected interfaces into the same OSPF area.
Refer to the exhibit. A port channel link between a branch site and the main site experiences an outage after a hardware upgrade at the branch site. The network administrator at the main site checks the log and sees a “%SPANTREE-2-CHNL_MISCFG” message. What is a likely cause of this message?
Packets were not translated for the return path from source 192.168.1.95.
Packets that are destined for 172.31.2.132 from source 192.168.1.95 are translated into 172.31.233.209.
Entries that are indicated with NAT* have been translated via the fast path.
The IP address 172.31.233.209 is the configured IP address on the remote PC.
Entries with NAT* have the ToS value 5.
When configuring private VLANs, how many isolated VLANs can be mapped to a primary VLAN?
Which switch error is indicative of a duplex mismatch on the full-duplex side of a link?
Refer to the exhibit. Users are complaining that they are unable to access the web server that is located at 172.16.1.101. Based on the partial syslog output that is exhibited, what is causing this problem?
The Configuration Rollback feature was preconfigured on router R1 via the archive command.
The configuration was copied using a method that is less secure than HTTPS.
The ip ftp username and ip ftp password commands were issued on router R1.
The login credentials were sent to the FTP server in an encrypted format.
The R1-test.cfg configuration was successfully copied from the FTP server to the running configuration file of router R1.
The R1-test.cfg configuration was successfully copied from the FTP server to the startup configuration file of router R1.
Refer to the exhibit. Users are complaining that they are unable to connect to resources outside of their corporate network during peak hours. What action should the administrator take to correct this problem?
Remove the ACL because it is blocking connections.
Change the FastEthernet 0/1 interface to an inside NAT interface.
Disable CEF because it is sending packets to the CPU for processing.
Disable static NAT because it is interfering with the dynamic translations.
Increase the size of the NAT pool to provide more IP addresses for translation.
Refer to the exhibit. A network administrator is trying to secure the remote administration of the router by enabling the use of the SSH protocol. Which changes should be made on the partial configuration as shown in the graphic?
The commands listed under the VTY line should be listed under the Console line.
The transport input telnet command should be changed to transport input ssh.
The transport input telnet command should be changed to transport input none.
Users at a branch office are complaining that they are unable to connect to resources at the head office. The network administrator issues the show ip route command and verifies that the correct next hop IP address and egress interface are listed. What should the administrator do next?
Verify that CEF is running on the router.
Verify the Layer 3 to Layer 2 mappings.
Verify end-to-end connectivity via the use of the ping command.
Verify that the information in the CEF FIB is correct.
Verify that the interface is active and participating in the routing process.
Refer to the exhibit. In a converged spanning tree, how many blocked ports will there be in VLAN 1 for the pictured topology?
Change the address assigned to the default router and dns server.
Decrease the DHCP lease time to make more addresses available at one time.
Change the netmask to 255.0.0.0 to agree with the class A network that is used in the DHCP pool.
Use the ip dhcp excluded-address command to exclude any statically assigned addresses from the DHCP pool.
What is a characteristic of network maintenance toolkits?
are vendor specific
may be both GUI and CLI
require expensive investments
support only real-time monitoring
What can be inferred from the fact that a switch is receiving BPDUs on a port but not transmitting BPDUs?
The port is a designated port.
The port is a root port.
The port is disabled.
The port is in listening state.
A newly configured switch is connected to an existing network. The instant the trunk link is brought up to the rest of the network, the entire network goes down. What could have caused this problem?
The switch was inserted into the network using an incorrect VTP domain name.
The VTP password entered on the new switch did not match that of the existing VTP domain.
The switch should have been placed into VTP Transparent Mode prior to being inserted into the network.
The configuration revision number of the inserted switch was higher than the configuration revision of the VTP domain.
The configuration revision number of the inserted switch was lower than the configuration revision of the VTP domain.
Refer to the exhibit. A network engineer is investigating a reported issue of Computer1 not receiving its IP configuration from the DHCP server. Computer2 is receiving its configuration from the DHCP server. What is a plausible reason for this issue?
The archive path is the only mandatory archive parameter that must be configured.
Every time the running configuration file is saved to NVRAM, it will also be automatically archived.
The $h and $t parameters will automatically add the device hostname and version number to the archive filename.
Use the archive config privileged EXEC mode command to replace the running configuration file with the most recent archived file.
The time-period parameter must be configured to enable the automatic archiving of the running-configuration file everytime it is saved to NVRAM.
What are two limitations of using buffered logging? (Choose two.)
Only high severity messages can be captured.
Messages are lost when there is a connectivity issue.
Log messages are removed when a device is powered down.
Message services may have messages filtered through a firewall.
Oldest messages are overwritten when allocated memory is exceeded.
Refer to the exhibit. You have been asked to correct the configuration on R1 so that the Tunnel 0 interface does not flap and R3 can be consistently reached from R1. What command would you issue on R1 to accomplish this?