suqrratt::ccna2final10
1. Host name resolution allows for the use of an alphanumeric name to
identify network devices. Select the answer that displays the correct
configuration syntax for creating a host name.
* Router(config)# ip host Fontana 200.100.50.5
2. Which command will display the status of the carrier detect signal and
keepalive messages for a router running CDP?
* Router# show cdp interface
3. Which of the following are necessary for basic network communication to
occur between hosts that will run such applications as Telnet, web browsers,
and e-mail? (Choose three.)
* TCP/IP must be installed and properly configured on each device.
* A default gateway must be configured for datagrams to travel outside of
the LAN.
* To ensure accurate delivery, a router must be configured and accessible by
hosts on the network.
4. The following access list has been created to prevent traffic from host
204.204.7.122 from accessing the 201.100.11.0 network.
access-list 22 deny host 204.204.7.122
access-list 22 permit any
Which group of commands will properly place this access list so that this host
is denied access only o the 201.100.11.0 network?
* RouterB(config)# interface fa0/0
RouterB(config-if)# ip access-group 22 out
5. How many Telnet sessions can take place simultaneously on a router
running a standard edition of the IOS?
*5
6. What can be determined from the partial output of the show ip route
command displayed below? (Choose two.)
*The next update will be in 16 seconds.
*The administrative distance is 120 and the metric is 1.
7. Which of the following are true regarding the setup configuration mode?
(Choose three.)
*To abort the setup mode, use the CTRL+C keys.
*To enter setup mode, use the privileged mode setup command.
*A router that does not find a valid configuration file during the boot process
will start the system configuration dialog.
8. A network administrator needs to configure a routing protocol that will
use bandwidth and delay when making routing decisions. Which of the following
commands must be configured on Router2 so those metric values will be used when
determining the best path?(Choose two.)
*Router2(config)# router igrp 200
*Router2(config-router)# network 192.5.5.0
*Router2(config-router)# network 201.100.11.0
9. Which statements are true regarding VTY passwords? (Choose two.)
*All VTY lines do not need to use the same password.
*A VTY password is required to establish telnet sessions.
10. Refer to the topology shown. Which commands must be configured in order
to enable two-way communication between the hosts connected to the E0 interface
of the Utah router and hosts connected to the E0 interface of the
*Idaho(config)# ip route 172.31.1.0 255.255.255.0 172.31.2.1
*Idaho(config)# ip route 0.0.0.0 0.0.0.0 s0
*Utah(config)# ip route 0.0.0.0 0.0.0.0 s0
11. Refer to the above graphic. When using RIP as the routing protocol, how
would Chicago use load balancing to route packets to New York? (Choose
two.)
*by forwarding packets over paths of equal cost
*by cycling packets through interfaces and routes following the same pattern
(Router 1, 2, 3) each time
12. Routers have different types of memory. Choose the answer that describes
ROM.
*initializes the code used to boot the router
13. Given the above topology, which of the following statements are true?
(Choose two.)
*If RouterA receives a packet destined for 192.168.3.146, it will be forwarded
out interface Ethernet 0.
*If RouterA receives a packet destined for 10.5.27.15, it will be forwarded out
interface Serial 1.
14. The routers shown in the graphic are running IGRP and sending updates
about all of their networks. After the network converged, traffic destined for
Router4 was received on the E0 interface of Router2. Which route will have the
lowest metric?
*Router2 to Router3 to Router4
15. Which of the following would cause the "Message Of The Day" banner to
appear? (Choose three.)
*telnetting into the router
*using the Aux port to check the current configuration
*using the console port to check the current configuration
16. A network administrator trying to deny Telnet traffic from the 192.5.5.0
network to the 201.100.11.0 network entered the commands shown in the graphic.
When monitoring the network, the administrator noticed that the Telnet packets
are still passing between those networks. What is the cause?
*The access list has not been assigned to an interface.
17. What information is displayed by the show cdp neighbors detail command
that is not displayed by the show cdp neighbors command?
*IP addresses
18. What types of messages are sent periodically by devices configured for
CDP?
*dvertisements
19. Routers in an OSPF network collect and advertise what information to
other routers in the network? (Choose three.)
*he names of neighboring routers
*the status or router interfaces
*the total path cost of the links to neighboring routers
20. Which of the following functions are initiated by the router
configuration files? (Choose three.)
*making decisions regarding the best path
*controlling the flow of traffic in and out of the router
*specifying the correct set up and use of routed and routing protocols
21. Which of the following will add a TFTP server as a fallback source for a
router to load an IOS image?
*Router# config t
*Router(config)# boot system tftp c2500-d-l.120-9.bin 163.150.9.31
*Router(config)# exit
*Router# copy run start
22. Which statement about datagram life is true?
*Each router decreases the TTL value by one until it reaches zero. The datagram
is then discarded and a destination unreachable message is sent to the
source.
23. An administrator has made routing protocol changes to a router's
configuration. To ensure that the changes are implemented, the active
configuration is saved and the router is reloaded. After the router has
initialized, the output on the screen displays "Would you like to enter the
initial configuration dialog?[yes/no]:"
Why did this dialog appear?
*The configuration register was set to ignore NVRAM.
24. When would the ROM monitor mode be used? (Choose two.)
*modifying the IOS image stored in Flash
*performing the bootstrap process
25. What are the major characteristics of a wide area network? (Choose
three.)
*connect devices separated by wide geographical areas
*uses serial connections to access bandwidth
*common carriers are needed for connections
26. Which of the following are characteristics of the Open Shortest Path
First (OSPF) routing protocol? (Choose two.)
*functions as a link state routing protocol
*floods routing updates as topology changes occur
27. Which of the following are functions of a router? (Choose three.)
*packet switching
*segmentation of local area networks
*lection of best path based on a logical addressing
28. Which of the following WAN connection services typically use synchronous
communications? (Choose two.)
29. leased line
30. packet-switched
31. Refer to the output from the show ip route command. What can be
concluded from the output of this router command?
*There are two equal cost paths to network 1.0.0.0.
32. Why is having an interface description useful?
*The interface desciption helps identify distant network connections.
33. The administrator knows that port E0 on router B connects to a small LAN
without any routers. Which command can be executed on router B to conserve
bandwidth on port E0?
*passive-interface E0
34. In the configuration register value 0x2104, which value represents the
boot field setting?
*4
35. Which of the following statements about the TTL of a datagram are true?
(Choose three.)
*The TTL value matches the maximum hop count defined by the routing
protocol.
*When the TTL value reaches 0, the packet is discarded.
*A router decreases the TTL value by one as the router forwards the packet.
36. Which of the following are basic rules that should be followed when
creating and applying access lists?
(Choose three.)
*One access list per protocol per direction.
*There is an implicit deny at the end of all access lists.
*Statements are processed sequentially from top to bottom until a match is
found.
37. If the config-register on a router is set to 0x2102, where is the first
place the router will look for boot system commands?
*NVRAM
38. A client needs to access more than one network service running on a
local server. Which of the following pieces of information will be used by the
client to communicate with the appropriate network service on the server.
(Choose four.)
*IP address of the server
*MAC address of the server
*destination port number
*source port number
39. Which command is used to redirect debug information to a device that is
connected though a Telnet session?
*Router# terminal monitor
40. RouterB loses connectivity to network 172.17.22.0. During the next
update interval, RouterB sends an update to RouterA signifying that network
172.17.22.0 is inaccessible. RouterA adds the changes received from RouterB to
its routing table. Approximately at the same time, RouterC sends an update to
RouterA stating that network 172.17.22.0 is up. Which of the following is true
regarding the described situation? (Choose two.)
*Router A will not accept the information from RouterC if split horizon is
enabled.
*RouterA will remove network 172.17.22.0 from its routing table if the network
is inaccessible after the flush timer has expired.
41. Which command will produce the output shown in the graphic?
*show cdp neighbors
42. Of the eight network users on the Human Resources department LAN, one
cannot connect to the file server.
The user's PC has successfully booted but can not see the network. What should
be checked first?
*the PC network interface card LEDs
43. When must a router serial interface be configured with the clock rate
command?
*when no other device is supplying a clock signal to the link
44. Which of the following are true regarding route metrics? (Choose
three.)
*The more factors that make up a metric, the greater the flexibility to tailor
network operations.
*Load and reliability are dynamic metrics used by IGRP.
*Ticks delay, MTU, and cost are metrics used by routing protocols.
45. The following IGRP configuration was typed in for RouterB:
RouterB(config)# router igrp 100
RouterB(config-router)# network 192.168.2.0
RouterB(config-router)# network 192.169.3.0
After several update periods, a technician notices that RouterB is not
receiving updates from all routers shown in the diagram. Which of the following
would correct this error?
*RouterB(config)# router igrp 100
*RouterB(config-router)# no network 192.169.3.0
*RouterB(config-router)# network 192.168.3.0
46. Refer to the network graphic. A packet needs to travel from Router_F to
Router_A. Which path would be selected by the IGRP routing protocol if the
default metrics are used?
*F,E,D,B,A
47. The host shown in the graphic has issued the ICMP request packet shown.
What information does the host require, and which ICMP message should be sent
in reply? (Choose two.)
*The host requires the default gateway IP address.
*The reply should be a router advertisement message.
48. Which of the following commands would indicate if a boot system
statement is configured on a router?
(Choose three.)
*show startup-config
*show running-config
*show config
49. Which of the following could be placed in the destination port field of
a UDP segment from a client machine?
*53
50. The following line was displayed in the output of the show ip route
command.
I 192.168.3.0/24 [100/80135] via 192.168.2.2, 00:00:30, Serial0/0
What is the value of the composite metric?
*80135
51. A network administrator can establish a remote session to a host using
the Router> telnet 192.168.1.1 command but is unsuccessful when using the
Router> telnet Boston command to connect to the same interface. Which of the
following could be the problem? (Choose two.)
*The ip host table on the router is not configured.
*Domain name services are not available.
52. Assume OSPF is being used on all routers. What happens when the link
between Router1 and Router2 goes down? (Choose two.)
*Link-state advertisements are flooded.
*ll routers note the change and adjust routes.
53. Which of the following devices are used in WANs and help define the WAN
physical layer? (Choose three.)
*communication servers
*routers
*modems
54. Which of the following is true regarding the protocol data unit (PDU)
shown in the graphic?
*It is a server response to a client request for Telnet services.