CCNA 2 – Module 1 Exam Answers

Tuesday, July 15, 2008, 18:03

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1. If a router cannot find a valid configuration file during the startup sequence, what will occur?
The router will prompt the user for a response to enter setup mode.

2. Refer to the exhibit. The network administrator has configured the router with the interface IP addresses shown for the directly connected networks. Pings from the router to hosts on the connected networks or pings between router interfaces are not worguide. What is the most likely problem?
The interfaces must be enabled with the no shutdown command.

3. Refer to the exhibit. What can be concluded from the routing table output in the exhibit? (Choose two.)
The FastEthernet0/0 and Serial0/0/0 interfaces of this router were configured with an IP address and the no shutdown command.
An IP packet received by this router with a destination address of 198.18.9.1 will be forwarded out of the Serial0/0/0 interface.

4. Refer to the exhibit. The frame shown in the exhibit was received by the router. The router interfaces are operational. How will the router process this frame? (Choose two.)
The router will change the frame type to one supported by the WAN link before forwarding the frame.
The frame was received on the Fa0/0 interface of the router and will be switched to the S0/0/0 interface.

5. Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords. (Choose three.)
VTY interface
console interface
privileged EXEC mode

6. Which two statements correctly describe the components of a router? (Choose two.)
ROM contains diagnostics executed on hardware modules.
Flash memory does not lose its contents during a reboot.

7. Refer to the exhibit. After host 2 is connected to the switch on the LAN, host 2 is unable to communicate with host 1. What is the cause of this problem?
The subnet mask of host 2 is incorrect.
Host 1 and host 2 are on different networks.
The switch needs an IP address that is not configured.
The router LAN interface and host 1 are on different networks.
The IP address of host 1 is on a different network than is the LAN interface of the router.

8. Which are functions of a router? (Choose three.)
packet switching
segmentation of broadcast domains
selection of best path based on logical addressing

9. Refer to the exhibit. All routers have a route in its routing table to each network that is shown in the exhibit. Default routes have not been issued on these routers. What can be concluded about how packets are forwarded in this network? (Choose two.)
If RouterA receives a packet that is destined for 192.168.3.146, it will be forwarded out interface S0/0/1.
If RouterB receives a packet that is destined for 10.5.27.15, it will be forwarded out interface S0/0/1.

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10. The serial connection shown in the graphic needs to be configured. Which configuration commands must be made on the Sydney router to establish connectivity with the Melbourne site? (Choose three.)
Sydney(config-if)# ip address 201.100.53.2 255.255.255.0
Sydney(config-if)# no shutdown
Sydney(config-if)# clock rate 56000

11. Refer to the exhibit. What can be concluded from the output of the running-configuration of a router?
The commands that are displayed determine the current operation of the router.

12. Refer to the exhibit. Host A pings host B. When R4 accepts the ping into the Ethernet interface, what two pieces of header information are included? (Choose two.)
destination IP address: 192.168.10.134
destination MAC address: 9999.DADC.1234

13. What is the outcome of entering these commands?
R1(config)# line vty 0 4
R1(config-line)# password check123
R1(config-line)# login
sets the password to be used for connecting to this router via Telnet

14. Which of the following is the correct flow of routines for a router startup?
load bootstrap, load IOS, apply configuration

15. What three processes does a router execute when it receives a packet from one network that is destined for another network? (Choose three.)
decapsulates the Layer 3 packet by stripping off the Layer 2 frame header
uses the destination IP Address in the IP header to look up the next-hop address in the routing table
encapsulates the Layer 3 packet into the new Layer 2 frame and forwards it out the exit interface

16. The network administrator needs to connect two routers directly via their FastEthernet ports. What cable should the network administrator use?
cross-over
Which two statements describe characteristics of load balancing? (Choose two.)
Load balancing allows a router to forward packets over multiple paths to the same destination network.
Unequal cost load balancing is supported by EIGRP.

17. What information about the router and its startup process can be gathered from the output of the show version command? (Choose three.)
the last restart method
the configuration register settings
the location from where the IOS loaded

18. Which interfaces in the exhibit could be used for a leased line WAN connection? (Choose two.)
1
4

19. From what location can a router load the Cisco IOS during the boot process? (Choose two.)
TFTP server
Flash memory

20. A network administrator has just entered new configurations into Router1. Which command should be executed to save configuration changes to NVRAM?
Router1# copy running-config startup-config

21. What is the default sequence for loading the configuration file?
NVRAM, TFTP, CONSOLE

22. What header address information does a router change in the information it receives from an attached Ethernet interface before information is transmitted out another interface?
the Layer 2 source and destination address

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10 Comments on “CCNA 2 – Module 1 Exam Answers”

certificate wrote on 18 February, 2009, 12:49
QUICK REFERENCE

TUESDAY, APRIL 17, 2007

CCNA Exam Topic : Troubleshooting 2
cisa CCDA CCNA CCNP CCDP MCP MCSE MCSE MCSE
Continue of Troubleshooting CCNA actual exam questions.

Question 17:
Refer to the exhibit. All switch ports are assigned to the correct VLANs, but none of the hosts connected to SwitchA can communicate with hosts in the same VLAN connected to SwitchB. Based on the output shown, what is the most likely problem?

A. The access link needs to be configured in multiple VLANs.
B. The link between the switches is configured in the wrong VLAN.
C. The link between the switches needs to be configured as a trunk.
D. VTP is not configured to carry VLAN information between the switches.
E. Switch IP addresses must be configured in order for traffic to be forwarded between the switches.

Answer: C

Explanation:
For VLAN information to travel from one switch to another within the same VLAN we need to configure the link port between switches as trunk ports.
Switchport mode trunk

Question 18:
Refer to the exhibit. The network administrator normally establishes a Telnet session with the switch from host A. However, host A is unavailable. The administrator’s attempt to telnet to the switch from host B fails, but pings to the other two hosts are successful. What is the issue?
A. Host B and the switch need to be in the same subnet.
B. The switch interface connected to the router is down.
C. Host B needs to be assigned an IP address in VLAN 1.
D. The switch needs an appropriate default gateway assigned.
E. The switch interfaces need the appropriate IP addresses assigned.

Answer: D

Explanation:
Ping was successful form host B to other hosts because of intervlan routing configured on router. 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.
Since VLAN1 interface is already configure on switch Host A was able to telnet switch.

Question 19:
Refer to the exhibit. Configuration of both switches has been completed. During testing, the network administrator notices that users on SwitchA can not connect with users in the same VLAN on SwitchB. What should be done to solve this problem?

A. Ensure that the IP address of SwitchA is on the same network as the IP address of SwitchB.
B. Ensure that the same interface number is used to connect both switches.
C. Ensure that the ports connecting the two switches are configured to trunk.
D. Ensure that SwitchA and SwitchB are connected with a straight-through cable.

Answer: C

Explanation:
For VLAN information to communicate from one switch to another within the same VLAN we need to configure the link port (Fa0/3 switchA and fa0/4 switchB) between switches as trunk ports.
Switchport mode trunk

Question 20:
Refer to the exhibit. The switches have been configured with static VLANs as shown. During testing, the network administrator notices that VLAN 20 on SwitchA has no connectivity with VLAN 30 on SwitchB. What should the network administrator do?

A. Configure the interconnected ports on SwitchA and SwitchB into access mode.
B. Connect the two switches with a straight-through cable.
C. Add a Layer 3 device to connect VLAN 20 and VLAN 30.
D. Configure the management VLAN with IP addresses.
E. Ensure that the VTP passwords match on both switches.

Answer: C

Explanation:
To enable connectivity between two different VLAN we need to add a layer 3 device and configure interVLAN routing on it.

Question 21:
Refer to the exhibit. The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem? (Choose three.)

A. Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.
B. Ensure that cables A and B are straight-through cables.
C. Ensure cable A is plugged into a trunk port.
D. Ensure the switch has power.
E. Reboot all of the devices.
F. Reseat all cables.

Answer: BDF

Explanation:

Question 22:
Refer to the exhibit. A network administrator needs to add a new VLAN, named VLAN3, to the network shown. Unfortunately, there is not another FastEthernet interface on R1 to connect to the new VLAN3. Which approach is the most cost effective solution for this problem?
A. Purchase a new FastEthernet module and install it on R1.
B. Replace R1 with a new router that has at least three FastEthernet interfaces.
C. Configure a second switch to support VLAN3 with a VLAN trunk between SW1 and the new switch.
D. Configure a single VLAN trunk between R1 and SW1 and configure a subinterface on the R1 interface for
each VLAN.
E. Connect another router to a serial interface of R1. Use a FastEthernet interface on the new router for VLAN3..

Answer: D

Explanation:
Create sub interfaces on R1 for each VLAN this way we can save physical ports and be more cost effective , make the port connecting the R1 from switch has trunk port to carry all VLAN information.

Question 23:
Refer to the exhibit. S0/0 on R1 is configured as a multipoint interface to communicate with R2 and R3 in this hub-and-spoke Frame Relay topology. While testing this configuration, a technician notes that pings are successful from hosts on the 172.16.1.0/24 network to hosts on both the 172.16.2.0/25 and 172.16.2.128/25 networks. However, pings between hosts on the 172.16.2.0/25 and 172.16.2.128/25 networks are not successful. What could explain this connectivity problem?
A. The ip subnet-zero command has been issued on the R1 router.
B. The RIP v2 dynamic routing protocol cannot be used across a Frame Relay network.
C. Split horizon is preventing R2 from learning about the R3 networks and R3 from learning about the R2 networks.
D. The 172.16.2.0/25 and 172.16.2.128/25 networks are overlapping networks that can be seen by R1, but not between R2 and R3.
E. The 172.16.3.0/29 network used on the Frame Relay links is creating a discontiguous network between the R2 and R3 router subnetworks.

Answer: C

Explanation:
Split horizon by default does not allow routing updates to go in and out of the same interface.

Question 24:
While troubleshooting a connectivity problem, a network administrator notices that a port status LED on a Cisco Catalyst series switch is alternating green and amber. Which condition could this indicate?

A. The port is experiencing errors.
B. The port is administratively disabled.
C. The port is blocked by spanning tree.
D. The port has an active link with normal traffic activity.

Answer: A

Explanation:
Color Port Status
Off No link.
Solid green Link operational (with no link activity).
Flashing green Link operational (with activity). .
Alternating green and amber Link fault. Error frames can affect connectivity, and errors such as excessive collisions, CRC errors, and alignment and jabber errors are monitored for a link-fault indication.
Solid amber Port is not forwarding. For example, this could be because the port was disabled by management, suspended due to an address violation, or suspended by Spanning-Tree Protocol due to the presence of network loops.

Question 25:
Refer to the exhibit. Users on WS1 and WS2 are unable to reach the SR1 and SR2 servers to gain the files needed. A ping from the workstations WS1 and WS2 to the gateway address 192.168.2.1 is successful. Which IOS command should the IT administrator issue on RTA to troubleshoot the problem?

A. show ip route
B. configure terminal
C. show startup-config
D. show ip interface FastEthernet0/0

Answer: A

Explanation:
show ip route command displays the routing table which provides the information about networks the router has routes.

Question 26:
Refer to the exhibit. HostA cannot ping HostB. Assuming routing is properly configured, what could be the cause of this problem?A. HostA is not on the same subnet as its default gateway.
B. The address of SwitchA is a subnet address.
C. The Fa0/0 interface on RouterA is on a subnet that can’t be used.
D. The serial interfaces of the routers are not on the same subnet.
E. The Fa0/0 interface on RouterB is using a broadcast address.

Answer: D

Explanation:
For IP address 192.168.1.62 /27 host range are 192.168.1.32 -192.168.1.63
And for IP address 192.168.1.65 /27 host range are 192.168.1.64
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