Chapter 1

1. Which of the following descriptions are true regarding the management connections on a Cisco router? (Choose three.)
They are non-network connections.
They are used to connect the router to the rest of the production network.
They are synchronous serial ports.
They are used for initial router configuration.
They are asynchronous serial ports.
They are accessed using their assigned IP address.


2. The console port can be used for which of the following? (Choose three.)
debugging.
password recovery.
routing data between networks.
troubleshooting.
connecting one router to another.


3. Which of the following describes the function of a WAN?
connects peripherals in a single location.
connects multiple networks in a single building.
provides connectivity on a LAN.
provides connectivity over a large geographic area.

4. An internetwork must include which of the following? (Choose three.)
switching.
static addressing.
IETF standardization.
dynamic or static routing.
consistent end-to-end addressing.

5. ABC Company just purchased three new routers to start their company network. Which items are needed to establish a terminal session between a PC and the router for the initial configuration? (Choose three.)
straight-through cable.
terminal emulation software.
rollover cable.
RJ-45 to DB-9 connector.
V.35 cable.

6. Terminal emulation software, such as HyperTerminal, can be used to configure a router. Which of the following HyperTerminal options shown in the graphic are correctly set to allow configuration of a Cisco router? (Choose three.)
bits per second.
data bits.
parity.
stop bits.
flow control.

7. Which of the following devices are used in the construction of a WAN? (Choose three.)
hubs.
routers.
communication servers.
transceivers.
modems.
multi-port repeaters.

8. Which of the following are functions of RAM? (Choose three.)
contains startup configuration file.
stores routing table.
holds fast switching cache.
retains contents when power is removed.
stores running configuration file.
9. Why is a console connection to a router or switch preferred when troubleshooting? (Choose two.)
can be accessed remotely.
does not depend on network services.
displays startup and error messages by default.
does not require special components.

10. Which basic components do a router and a standard desktop PC have in common? (Choose three.)
CPU.
hard drive.
input/output interfaces.
keyboard.
monitor.
system bus.

11. During the initial configuration of a 2600 series Cisco router, which cable is required for connecting a PC to the console port?
twisted.
crossover.
rollover.
straight.

12. A router is composed of many internal components. Which of the following components stores a copy of the router’s configuration file?
metal-oxide memory.
read only memory.
flash memory.
non-volatile random access memory.

13. What contains the instructions that a router uses to control the flow of traffic through its interfaces?
packet configuration.
configuration files.
flash memory.
internal components.

14. Several Ethernet hosts on a LAN need the gateway services of a Cisco 2500 series router. Which of the following would be needed to physically connect a router to all of the hosts on the LAN? (Choose two.)
a crossover cable between the transceiver on a router and a switch.
a crossover cables between a switch and hosts on a LAN.
a straight-through cable between the auxiliary port on a router and a switch.
a rollover cable between the console port on a router and a switch.
straight-through cables between a switch and hosts on a LAN.
a straight-through cable between the transceiver on a router and a switch.

15. Which router component holds the configuration file when power is lost?
volatile random access memory.
read only memory.
non-volatile random access memory.
flash memory.

16. Which of the following layers of the OSI model are incorporated in WAN standards? (Choose two.)
physical layer.
application layer.
transport layer.
data link layer.
session layer.

17. Which of the following are true regarding router interfaces? (Choose three.)
provide temporary memory for the router configuration files.
connect the router to the network for packet entry and exit.
can be on the motherboard or a separate module.
hold the IOS image.
connect the router to LANs and WANs.

18. Which of the following tasks can be accomplished through a management connection on a router? (Choose three.)
troubleshooting problems.
monitoring the system.
capturing LAN data packets.
configuring the router.
routing data packets.

19. What do routers use to select the best path for outgoing data packets?
ARP tables.
bridging tables.
routing tables.
switching tables.

20. Which of the following are functions of NVRAM? (Choose two.)
stores the routing table.
retains contents when power is removed.
stores the startup configuration file.
contains the running configuration file.
stores the ARP table.

21. Select the statements that correctly describe flash memory in a 2600 series router? (Choose two.)
holds the startup configuration by default.
can be upgraded with single in-line memory modules.
stores Cisco IOS software images.
stores routing table information by default.
maintains the only copy of an IOS image after the router is booted.

Chapter 5 Exam

01. Refer to the exhibit. All routers in the exhibit are running RIP v1. The network administrator issues the show ip route command on router A. What routes would appear in the routing table output if the network is converged? (Choose two).

• R 192.168.2.0/24 [120/1]
• C 192.168.2.0/24 [120/1]
• R 10.10.3.0/24 [120/0]
• C 10.10.3.0/24 [120/1]
• R 10.10.1.0/24 [120/2]
• R 10.10.1.0/24 [120/3]

02. Refer to the exhibit. Router1 is running RIPv1. What command was entered into Router1 to configure the gateway of last resort?

• no auto-summary
• ip default-network 0.0.0.0
• ip default-gateway 10.0.0.0
• ip route 0.0.0.0 0.0.0.0 S0/0/1

03. Refer to the exhibit. Router1 and Router2 are running the RIPv1 protocol. The network administrator configures the command network 10.1.0.0 on Router1. What network will Router1 advertise to Router2?

• 10.1.0.0/16
• 10.1.0.0/8
• 10.0.0.0/16
• 10.0.0.0/8

04. Which of the following would be the correct command sequence to enable RIP on Router B for all connected networks?

• RouterB# router rip
  RouterB(router)# network 210.36.7.0
  RouterB(router)# network 220.17.29.0
  RouterB(router)# network 211.168.74.0
• RouterB(config)# router rip
  RouterB(config-router)# network 198.16.4.0
  RouterB(config-router)# network 211.168.74.0
  RouterB(config-router)# network 199.84.32.0
• RouterB(config)# configure router rip
  RouterB(config-router)# network 210.36.7.0
  RouterB(config-router)# network 199.84.32.0
  RouterB(config-router)# network 211.168.74.0
• RouterB(config)# router rip
  RouterB(config-router)# network 198.16.4.0
  RouterB(config-router)# network 210.36.7.0
  RouterB(config-router)# network 211.168.74.0
• RouterB(config)# router rip
  RouterB(config-router)# network 198.16.4.0
  RouterB(config-router)# network 210.36.7.0
  RouterB(config-router)# network 220.17.29.0

05. Which command will display RIP activity as it occurs on a router?

• debug ip rip
• show ip route
• show ip interface
• show ip protocols
• debug ip rip config
• show ip rip database

06. Which command or set of commands will stop the RIP routing process?

• RouterB(config)# router rip
  RouterB(config-router)# shutdown
• RouterB(config)# router rip
  RouterB(config-router)# network no 192.168.2.0
• RouterB(config)# no router rip
• RouterB(config)# router no rip

07. Refer to the exhibit. RIPv1 is running on all three routers. All interfaces have been correctly configured with addresses in the address ranges that are shown. Which route would you see in the routing table on router CHI if the routers are configured with the commands that are displayed in the exhibit?

• 192.168.0.4/30
• 192.168.0.0/24
• 192.168.0.0/16
• 192.168.0.32/27

08. The following line was displayed in the output of the show ip route command.

R 192.168.3.0/24 [120/3] via 192.168.2.2, 00:00:30, Serial0/0

What is the value of the routing metric?

·         3

·         12

·         20

·         30

·         120

09. Which of the following is considered a limitation of RIP v1?

• RIP v1 does not send subnet mask information in its updates.
• RIP v1 is not widely supported by networking hardware vendors.
• RIP v1 consumes excessive bandwidth by multicasting routing updates using a Class D address.
• RIP v1 requires enhanced router processors and extra RAM to function effectively.
• RIP v1 does not support load balancing across equal-cost paths.
• RIP v1 authentication is complicated and time-consuming to configure.

10. What are three characteristics of the RIPv1 routing protocol? (Choose three.)

• supports the use of VLSM
• uses hop count as a metric
• considers a metric of 16 as infinity
• has an administrative distance of 110 by default
• includes the destination IP address and subnet mask in routing updates
• calculates metrics using the Bellman Ford algorithm

11. What will happen if an interface IP address is entered for the address portion of the network command in a RIPv1 configuration instead of a network address?

• The router will reject the command.
• A route to the host address will be added to outgoing RIP updates.
• A route to the host address will be added to the routing table.
• All interfaces in the same classful network as the configured address will be included in the RIPv1 routing process.

12. Refer to the exhibit. All routers that are shown are running the RIP routing protocol. All unknown IP traffic must be forwarded to the ISP. What router or set of routers are recommended to have both a default route and the default-information originate command issued to implement this forwarding policy?

• only Router1
• only the gateway router
• all routers in the network
• only the routers with LANs needing Internet access

13. Refer to the exhibit. All routers are configured with valid interface addresses in the indicated networks and are running RIPv1. The network is converged. Which routes are present in the routing tables?

• All routers have all routes in their routing table.
• All routers have all /30 routes, but do not have /24 routes in their routing table.
• All routers have all /30 routes. Routers A and E also have some of the /24 routes in their routing table.
• All routers have all /30 routes. Routers B and D also have some of the /24 routes in their routing table.
• Routers A and E have all routes. Routers B and D have only /30 routes in their routing table.
• Routers A and E have only /24 routes. Routers B and D have only /30 routes in their routing table.

14. Refer to the exhibit. A network consists of multiple routers. What can be verified when the show ip protocols command is issued on one of the routers in the network?

• whether all routes in the network have been properly added to the routing table
• routing protocol configuration in use for IP on this router
• operational status of routing protocols in use on all routers in the network
• routing metric of each network that is listed in the routing table

15. Refer to the exhibit. The Ethernet interface on Router2 goes down and the administrator notices that the route is still valid in the routing table of Router1. How much longer will it take for Router1 to mark the route invalid by setting the metric to 16?

• 30 seconds
• 90 seconds
• 155 seconds
• 180 seconds
• 255 seconds

16. What is the default update period in seconds for the RIP routing protocol?

• 10
• 12
• 15
• 20
• 30
• 60

17. Refer to the exhibit. What can be concluded from the routing table output of router B?

• A static default route has been configured on B.
• The default-information originate command has been entered on A.
• All traffic that is destined for 192.168.1.1 will be sent to address 0.0.0.0.
• Hosts on the 10.16.1.0/27 network have 192.168.1.1 configured as the default gateway address.

18. Which two statements are true regarding the characteristics of RIPv1? (Choose two).

• It is a distance vector routing protocol.
• It advertises the address and subnet mask for routes in routing updates.
• The data portion of a RIP message is encapsulated into a TCP segment.
• The data portion of a RIP message is encapsulated into a UDP segment.
• It broadcasts updates every 15 seconds.
• It allows a maximum of 15 routers in the routing domain.

19. Refer to the exhibit. The network that is shown is running RIPv1. The 192.168.10.0/24 network was recently added and will only contain end users. What command or set of commands should be entered on Router1 to prevent RIPv1 updates from being sent to the end user devices on the new network while still allowing this new network to be advertised to other routers?

• Router1(config-router)# no router rip
• Router1(config-router)# network 192.168.10.0
• Router1(config-router)# no network 192.168.10.0
• Router1(config-router)# passive-interface fastethernet 0/0
• Router1(config-router)# passive-interface serial 0/0/0

Chapter 1

1. If a router cannot find a valid configuration file during the startup sequence, what will occur?
The startup sequence will reset.
The router will prompt the user for a response to enter setup mode.
The startup sequence will halt until a valid configuration file is acquired.
The router will generate a default configuration file based on the last valid configuration.
The router will monitor local traffic to determine routing protocol configuration requirements.

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 working. What is the most likely problem?

The destination networks do not exist.
The IP addresses on the router interfaces must be configured as network addresses and not host addresses.
The interfaces must be enabled with the no shutdown command.
Each interface must be configured with the clock rate command.

3.Refer to the exhibit. What can be concluded from the routing table output in the exhibit? (Choose two.)

This router only has two interfaces.
The router interfaces are not operational yet.
This router is configured to forward packets to remote networks.
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 source and destination IP address in the packet before forwarding the frame.
The router will change the frame type to one supported by the WAN link before forwarding the frame.
The router will use the destination MAC address to determine which interface to forward the packet.
The router will look up the MAC address of the S0/0/0 interface in the ARP table and add it to the frame before forwarding.
The frame was received on the Fa0/0 interface of the router and will be switched to the S0/0/0 interface.
The frame was received on the S0/0/0 interface of the router and will be switched to the Fa0/0 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
Ethernet interface
secret EXEC mode
privileged EXEC mode
router configuration mode

6. Which two statements correctly describe the components of a router? (Choose two.)
RAM permanently stores the configuration file used during the boot sequence.
ROM contains diagnostics executed on hardware modules.
NVRAM stores a backup copy of the IOS used during the boot sequence.
Flash memory does not lose its contents during a reboot.
ROM contains the most current and most complete version of the IOS.
Flash contains boot system commands to identify the location of the IOS

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
extension of network segments
segmentation of broadcast domains
selection of best path based on logical addressing
election of best path based on physical 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 RouterC receives a packet that is destined for 10.5.1.1, it will be forwarded out interface Fa0/0.
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.
If RouterB receives a packet that is destined for 172.20.255.1, it will be forwarded out interface S0/0/0.
If RouterC receives a packet that is destined for 192.16.5.101, it will be forwarded out interface S0/0/1.

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)# ip address 201.100.53.1 255.255.255.224
Sydney(config-if)# clock rate 56000
Sydney(config-if)# ip host Melbourne 201.100.53.2

11.Refer to the exhibit. What can be concluded from the output of the running-configuration of a router?

The passwords are encrypted.
The current configuration was saved to NVRAM.
The configuration that is shown will be the one used on the next reboot.
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.)

source IP address: 192.168.10.129
source IP address: BBBB.3333.5677
destination IP address: 192.168.10.33
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
ensures that a password is entered before entering user EXEC mode
sets the password to be used for connecting to this router via Telnet
requires check123 to be entered before the configuration can be saved
creates a local user account for logging in to a router or switch

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

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 MAC Address in the IP Header to look up the next-hop address in the routing table
leaves the Layer 2 frame header intact when decapsulating the Layer 3 packet
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
encapsulates the Layer 3 packet into a special Layer 1 frame and forwards it to the exit interface

16. The network administrator needs to connect two routers directly via their FastEthernet ports. What cable should the network administrator use?
straight-through
rollover
cross-over
serial

17. Which two statements describe characteristics of load balancing? (Choose two.)
Load balancing occurs when a router sends the same packet to different destination networks.
Load balancing occurs when a router sends the same packet to different destination networks.
Load balancing allows a router to forward packets over multiple paths to the same destination network.
Unequal cost load balancing is supported by EIGRP.
If multiple paths with different metrics to a destinations exist, the router cannot support load balancing.

18. 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 command buffer contents
the amount of NVRAM and FLASH used
the configuration register settings
the location from where the IOS loaded

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

1
2
3
4
5
6

20. From what location can a router load the Cisco IOS during the boot process? (Choose two.)
RAM
TFTP server
NVRAM
setup routine
Flash memory
terminal

21. 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 flash
Router1(config)# copy running-config flash
Router1# copy running-config startup-config
Router1(config)# copy running-config startup-config
Router1# copy startup-config running-config
Router1(config)# copy startup-config running-config

22. What is the default sequence for loading the configuration file?
NVRAM, FLASH, ROM
FLASH, TFTP,CONSOLE
NVRAM, TFTP, CONSOLE
FLASH, TFTP, ROM

23. 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?
only the Layer 2 source address
only the Layer 2 destination address
only the Layer 3 source address
only the Layer 3 destination address
the Layer 2 source and destination address
the Layer 3 source and destination address