Question 1: Which of the
following is provided by the show version command?
A.
Information about the interfaces
B.
Information about the routing protocol
C.
Information about the system image file
D.
Information about the default gateway
Question 2: Which Cisco IOS command
shows the configuration file stored in NVRAM?
A.
show version
B.
show running-config
C.
show startup-config
D.
show interfaces
Question 3: If a new LAN is added to
an internetwork, which command would add the network to the routing
table?
A.
Router (config)> ip route 2.0.0.0 255.0.0.0 via 1.0.0.2
B.
Router (config)# ip route 2.0.0.0 255.0.0.0 1.0.0.2
C.
Router (config)# ip route 2.0.0.0 via 1.0.0.2
D.
Router (config)# ip route 2.0.0.0 1.0.0.2 using 255.0.0.0
Question 4: Which
best describes convergence?
A.
When messages simultaneously reach a router and a collision
occurs
B.
When several routers simultaneously route packets along the same
path
C.
When all routers in an internetwork have the same knowledge of the
structure and topology of the internetwork
D.
When several messages are being sent to the same
destination
Question 5: What is the data-link destination address of a
broadcast message?
A.
111.111.111.111
B.
255.255.255.255
C.
AAAA.AAAA.AAAA
D.
FFFF.FFFF.FFFF
Question 6: Which protocol can find the MAC address of a
computer given its IP address?
A.
RARP
B.
DHCP
C.
ARP
D.
Proxy RARP
Question 7: How are link-state routing updates
triggered?
A.
By timers
B.
By topology changes
C.
By protocol changes
D.
By changing the NIC
Question 8: How many bits are in the network and subnet
portion of a class B network with a subnet mask of 255.255.240.0?
A.
18
B.
19
C.
20
D.
21
Question 9: What happens after a collision has occurred on
a network after the jam signal is sent?
A.
The router clears the route and notifies the source to
resend
B.
All stations stop sending frames for a randomly selected time
period
C. A
keepalive signal is generated to hold the message until the route
clears
D.
The source station waits for the collision to dissipate and then
broadcasts an all clear
Question 10: Why is a static route the preferred method
for reaching stub networks?
A.
static routing requires less overhead
B.
static routing requires more overhead on the network
C.
this allows routers to adjust to changes in the network
D.
the routes are learned automatically
Question 11: Where is the next place
a router looks if it cannot find the IOS image in flash?
A.
RAM
B.
ROM
C.
TFTP
D.
NVRAM
Question 12: Why are hold-down timers
useful?
A.
They help prevent a router from immediately using an alternate
route that includes the failed route
B.
They force all routers in a segment to synchronize switching
operations
C.
They reduce the amount of network traffic during high traffic
periods
D.
They provide a mechanism for bypassing failed sections of the
network
Question
13: Which command is used to configure a routing protocol?
A.
Router# rip network 192.11.10.0
B.
Router(config)# router rip
C.
Router(config)# routing rip
D.
Router(config)# routing protocol rip
Question 14: What best describes the
difference between a routed protocol versus a routing protocol?
A.
Routed protocols are used between routers to maintain tables while
routing protocols are used to carry user data.
B.
Routed protocols use distance vector algorithms while routing
protocols use link-state algorithms.
C.
Routed protocols are used to carry user data while routing
protocols maintain tables.
D.
Routed protocols use dynamic addressing while routing protocols
use static addressing.
Question 15: Which command can be used to check the boot
field setting?
A.
Router# show version
B.
Router# show register
C.
Router# show running-config
D.
Router# show startup-config
Question
16: Which command is used to backup the active
configuration file from a router to a network server?
A. copy tftp
startup-config
B.
copy running-config tftp
C. copy tftp
flash
D. copy
NVRAM tftp
Question 17: What is the purpose of exterior
routing protocols?
A. To transmit
between nodes on a network
B. To deliver
information within a single autonomous system
C. To
communicate between autonomous systems
D. To set up a
compatibility infrastructure between networks
Question 18: A router received a packet with
a destination address of 172.16.14.228. Assuming a subnet mask of 255.255.248.0,
what is the subnet network address for the destination host?
A.
172.16.1.0
B.
172.16.4.0
C.
172.16.8.0
D.
172.16.12.0
Question 19: Which routing protocol maintains
a complex database of topology information and uses link-state advertisements
(LSAs)?
A. RIP
B. IGRP
C.
OSPF
D. EIGRP
Question 20: Someone got into a router
configuration file and changed the password to access privileged mode. Which
mode on the router enables you to recover passwords?
A. SETUP
B.
RXBOOT
C. Privileged
EXEC
D. Global
configuration
Question 21: Which describes Layer 3 path
determination in the OSI model?
A. enables
switches to find the best path to a host
B. enables a
switch to choose the next hop
C. determines
how a packet is forwarded on the same subnetwork
D.
enables a router to choose the next hop
Question 22: At which Layer of the OSI model
would you classify the loss of network connectivity due to a loose patch
cable?
A. Layer
7
B. Layer
5
C. Layer
3
D.
Layer 1
Question 23: Which command should display RIP
routing updates as they are sent and received?
A. Router# show
ip rip
B. Router#
debug ip protocols
C.
Router# debug ip rip
D. Router# show
ip rip update
Question 24: If a router has a serial
interface S0, with IP address 107.85.20.2, using a subnet mask of
255.255.255.240, what is the broadcast address used for hosts on this
subnet?
A.
107.85.20.15
B.
107.85.20.255
C.
107.85.255.255
D.
107.255.255.255
Question 25: If you want to turn off the
name-to-address translation in the router, which command would you
use?
A. no ip
host
B. no ip
address
C. no ip
name-search
D.
no ip domain-lookup
Question 26: What correctly describes the
five conversion steps of data encapsulation?
A.
Data-segments-packets-frames-bits
B.
Data-packets-segments-frames-bits
C.
Data-frames-segments-packets-bits
D.
Data-segments-frames-packets-bits
Question 27: Which is an example of a data
circuit terminating equipment (DCE)?
A.
Modem
B.
Computer
C.
Router
D.
Multiplexer
Question 28: Which Cisco IOS command is used
to enter privileged mode?
A.
admin
B.
root
C.
enable
D.
privileged
Question 29: Which step should be performed
before copying software between the TFTP host and Flash memory?
A. Use
the ping command to check connectivity to the server
B. Check that
you can see and write into RAM memory
C. Verify that
there is sufficient room in RAM to accommodate the IOS
D. Check the
configuration file name and location on the network server
Question 30: What is specified by the network
number in an IP address?
A. the
network to which the host belongs
B. the identity
of the computer on the network
C. the node
that is being addressed
D. the network
broadcast identity of subnetwork
Question 31: When working
with Cisco IOS, at which level of access are users able to view router status
but are unable to change router configuration?
A.
User mode
B.
Enable mode
C.
Privileged mode
D.
Global configuration mode
Question 32: Which command should
identify destination network addresses and next hop pairs?
A.
Router(config)# show ip protocol
B.
Router# show ip table
C.
Router> show ip route
D.
Router(config-router)# show ip table
Question 33: Which type of route is
used when no other routes are known to the destination?
A.
Static
B.
Default
C.
Dynamic
D.
Next available
Question 34: Which metrics are commonly used by routers to
evaluate a path?
A.
EMI load, SDLC connections, deterioration rate
B.
Bandwidth, load, reliability
C.
Distance, hub count, SN ratio
D.
Signal count, loss ratio, noise
Question 35: What will happen if
routers have different sets of LSAs?
A.
A check sum procedure is initiated and faulty routing tables
repaired.
B.
Routes become unreachable because routers disagree about a
link.
C.
A comparison is forced and subsequent convergence on a single
routing table occurs.
D.
A broadcast message is sent with the master copy of the routing
table to all routers.
Question 36: Which Layer of the OSI model is concerned
with the topology of a network?
A.
Transport
B.
Network
C.
Data Link
D.
Physical
Question 37: Which of the following are stored in
NVRAM?
A.
Routing Tables
B.
Configuration Files
C.
IOS Image
D.
Power on diagnostics
Question 38: What is the function of the reload
command?
A.
It reboots the router
B.
It saves the new IOS to Flash memory
C.
It loads a new configuration file in NVRAM
D.
It loads a configuration file from a TFTP server
Question 39: In
which OSI Layer does the Cisco Discovery Protocol (CDP) operate?
A.
Layer 1
B.
Layer 2
C.
Layer 3
D.
Layer 4
Question 40: At which Layer of the OSI model would flow
control problems exist?
A.
Application
B.
Presentation
C.
Session
D.
Transport
Question 41: Which port is used to initially
configure a router?
A.
Auxiliary
B.
Console
C.
Serial
D.
BRI
Question 42: What is a WAN?
A.
A network that connects users across a large geographic
area
B.
A network that connects devices in a workgroup setting
C.
A network that connects business departments in a building
D.
A network that connects physically adjacent devices
Question 43:
Which metric is used in RIP?
A.
Bandwidth
B.
Delay
C.
Hop count
D.
Traffic load
Question 44: How often are RIP updates
broadcast?
A.
Every 15 seconds
B.
Every 30 seconds
C.
Every 60 seconds
D.
Every 90 seconds
Question 45: At which OSI Layer would an incorrect
encapsulation type on a serial interface be classified?
A.
Layer 4
B.
Layer 3
C.
Layer 2
D.
Layer 1
Question
46: What provides sequencing of segments with a forward
reference acknowledgment, numbers datagrams before transmission, and reassembles
the segments into a complete message?
A. Simple UDP acknowledgment
B. Expectational acknowledgments
C. TCP sequence and
acknowledgment numbers
D. Header checksums and data
protocol checksums
Question 47: Which configuration register mode is used to tell the router to boot
from ROM monitor mode?
A. 0x---0
B. 0x---1
C. 0x---2
D. 0x---3
Question
48: What is the function of the erase
startup-config command?
A. It deletes the current IOS
from NVRAM
B. It deletes the configuration
file in RAM
C. It deletes the
configuration file in NVRAM
D. It deletes the bootstrap
image from Flash memory
Question 49: Which Cisco IOS command displays routing table
entries?
A. ping
B. trace
C. show ip route
D. show interface
Question 50: Which keys are pressed in the escape sequence to terminate the
initial configuration while in setup mode?
A. ESC
B. CTRL-C
C. CTRL-ESC
D. CTRL-SHIFT-6 , X
Question 51: Which technique controls the amount of unacknowledged data in transit
at any one time and helps enable TCP reliability?
A. Windowing
B. Broadcasting
C. Error recovery
D. Collision avoidance
Question 52: If a Class B network is subnetted with a mask of 255.255.240.0, how
many useable subnets are created?
A. 2
B. 6
C. 14
D. 30
Question 53: You want to create a message to let people know a little something
about the network or router when they log on - what command enables you to do
this?
A. banner msg
B. banner motd
C. daily msg
D. daily motd
Question 54: What is the function of ARP?
A. It is used to map a known MAC
address to an unknown IP address.
B. It is used to develop a
cached Layer 4 address resource table.
C. It is used to map a
known IP address to an unknown MAC address.
D. It sends a broadcast message
looking for the router IP address.
Question 55: Which router component provides working memory for configuration
files and routing tables?
A. RAM
B. ROM
C. Flash
D. NVRAM
Question 56: If you are unsure of the options (subcommands) for a command, which
keystroke(s) should you try on the user interface of a Cisco
router?
A. Help
B. ?
C. CTRL-H
D. CTRL-P
Question 57: Which command is used to tell the router to boot from
ROM?
A. Router# boot system rom
B. Router# boot system rom
IOS_filename
C. Router(config)# boot
system rom
D. Router(config)# boot system
rom IOS_filename
Question 58: Which is a network layer protocol that can be routed?