3.1 CCNA 1 - Final Exam 1

1
Which of the following OSI layers offers reliable, connection-oriented
data communication services?

application
presentation
session
*transport
network


2
Router interface Ethernet 0 has been assigned the IP address
10.172.192.168 255.255.255.240. What is the network IP address
of this interface?

10.0.0.0
10.172.0.0
10.172.192.0
*10.172.192.160
10.172.192.168
10.172.192.175


3
Examine the graphic with current configurations. The New York
Offices of ABC Company recently upgraded the computers in the
administrative office. Shortly after the upgrade, Host A in the clerical
office failed and was replaced with one of the retired administrative
office computers. However, the computer can not access the company
network in the new location. What is the likely cause of this network
access issue for Host A?

MAC address incorrectly entered
*default gateway incorrectly entered
subnet mask incorrectly entered
IP address incorrectly entered



4
Which of the following increases the potential for a collision to occur?

the use of an active hub instead of an intelligent hub
the use of an intelligent hub instead of an active hub
a reduction in the number of devices attached to the hub
*an increase in the number of devices attached to the hub


5
What is attenuation?

opposition to the flow of current
measurement of electrical signals relative to time
*degradation of a signal as it travels along the medium
amount or volume of traffic that is flowing on the medium


6
Two peer hosts are running applications that exchange data
using UDP. During the current session, a datagram fails to
arrive at the destination. What is true concerning the retransmission
of the datagram?

Datagram retransmission occurs when the retransmission timer
expires in the source host.
Datagram retransmission occurs when the retransmission timer
expires in the destination host.
*Datagram retransmission is controlled by the
application layer protocol.
Datagram retransmission involves only the data with sequence
numbers equal to or higher than the sequence number of the
current datagram.


7
What is significant about the ping 127.0.0.1 command?

*It verifies the operation of the TCP/IP protocol stack
on a host and is called an internal loopback test.
It verifies connection to the remote host with the IP address 127.0.0.1.
It verifies whether the router that connects the local network to
other networks can be reached.
It verifies the route packets take between the local host and the
host with the IP address 127.0.0.1.


8
Which LAN switching mode has the highest latency?

fast forward
fragment-free
latency forwarding
*store-and-forward


9
Which of the following application layer protocols use UDP segments? (Choose two.)

*DNS
FTP
Telnet
*TFTP
SMTP


10
Which cable specifications are indicated by 100BASE-T?

100-Mbps transmission speed, baseband signal,
coaxial cable
100-Mbps transmission speed, broadband signal,
twisted-pair cable
*100-Mbps transmission speed, baseband
signal, twisted-pair cable
Equal to 10-Gbps transmission speed, baseband
signal, twisted-pair cable



11
When is a crossover cable used in a network?

when connecting a host to the router console port
when connecting a host to a switch
*when connecting a host to a host
when connecting a switch to a router


12
Refer to the graphic. What must be configured on Host A
to allow it communicate with the e-mail server? (Choose three.)

IP address *
subnet mask *
default gateway *
router name
switch name
NetBIOS name address


13
Which cable diagram displays the end to end pinout
for a crossover cable used with Cisco devices?

Cable A
Cable B
*Cable C
Cable D


14
Which type of address is 192.168.17.134/29?

*host address
network address
broadcast address
multicast address


15
How many collision domains are shown in the diagram?

three
four
five
six
*seven
eight


16
When is a straight-through cable used in a network?

when connecting a router through the console port
when connecting one switch to another switch
*when connecting a host to a switch
when connecting a router to another router


17
How does network cable length affect attenuation?

Category 5 cable that is run in metal conduit has the
highest attenuation in the shortest distance.
Shorter cable lengths have greater signal attenuation.
*Longer cable lengths have greater signal attenuation.
The length of the cable has no effect on signal attenuation.


18
Which of the following statements are correct about
CSMA/CD? (Choose three.)

It is a media access method used in LANs. *
It is a media access method used in FDDI WANs.
When a device needs to transmit, it checks to see if the
media is available. *
A device sends data without checking media availability
because all devices have equal access. Multiple devices can
successfully transmit simultaneously.
*Only one device can successfully transmit at a time.



19
Which of the following must be present for current to flow?
(Choose three.)

*closed loop
bit-generating device
insulating material
*source of voltage
*load
switch


20
If Host A pings Host B through a newly installed switch
with no entries in the MAC address table, which stations will
receive the ping packet?

B only
A and B
B and switch
A, B, and switch
B, C, D, and switch *
A, B, C, D, and switch


21
Which devices shown in the graphic must have a MAC address?

only PC
only router
PC and router
PC, hub, and router
*PC, printer, and router


22
What kind of connection is represented in the graphic?

*console connection
Ethernet connection
ISDN connection
leased line connection


23
Which of the following is the decimal representation of the
binary number 11010011?

203
204
*211
212


24
Which type of cable is required to make a connection between a
router console port and a PC COM port?

straight-through cable
crossover cable
*rollover cable
DB-9 cable
coaxial cable


25
Determine the number of useable networks and hosts for the
IP address 192.168.50.0/27

4 networks / 62 hosts
6 networks / 64 hosts
32 networks / 8 hosts
*6 networks / 30 hosts
8 networks / 32 hosts
2 networks / 8 hosts


26
A network administrator is placing an older router back in to
service. The administrator discovered that the IOS and
configuration files need to be updated to meet the LAN
specifications. Which application layer protocol is used to
transfer the new configuration files into the router memory?

SNMP
SMTP
HTTP
*TFTP


27
Which of the following best describes Spanning Tree Protocol?

It enables a network to span across multiple physical segments.
*It enables a switch to eliminate switching loops.
It enables a switch to dynamically choose the best switch mode.
It enables a switch to perform as a router.


28
Which of the following subnet masks could be used when
subnetting a Class B IP address? (Choose two.)

255.0.0.0
*255.255.0.0
255.192.255.0
255.224.0.0
*255.255.252.0
255.255.255.128


29
How is data encapsulated as it is moved down the OSI model?

data, segments, frames, packets, bits
data, packets, segments, frames, bits
*data, segments, packets, frames, bits
data, packets, frames, segments, bits


30
Which of the following describes latency?

the noise generated from outside a cable
the degradation of a signal as it travels along the media
the time required for a NIC to place a frame on the
network media
*the delay between the time a frame leaves its
source device and reaches its destination


31
Which of the following is the binary representation of the
decimal number 111?

*01101111
01111101
11110111
11101101


32
Which LAN switching mode begins switching after reading only
the first 64 bytes of the frame?

fast forward
*fragment-free
latency forwarding
store-and-forward


33
When using Category 5 UTP cable, which RJ-45 pin pairs are
used to exchange data between hosts on an Ethernet network?

1 and 2; 4 and 5
1 and 2; 3 and 6 *
3 and 6; 7 and 8
4 and 5; 7 and 8


34
Which of the following commands could be used on a
Windows-based computer to view the current IP configuration
of the system? (Choose two.)

configip
ifconfig
*ipconfig
*winipcfg
winipconfig


35
Which type of address is 192.168.17.111/28?

host address
network address
*broadcast address
multicast address


36
Which of the following networking devices increase the number
of collision domains? (Choose three.)

*switch
hub
*router
repeater
*bridge


37
What information can be determined from the MAC addresses
of PC1, PC2, and PC3, as shown in the graphic? (Choose two.)

PC1 and PC2 NICs need to be replaced because they have
the same OUI identifier.
PC2 and PC3 NICs need to be replaced because they have
different OUI identifiers.
*PC1 and PC2 NICs are from the same vendor.
PC1 and PC3 NICs need to be replaced because they
have the same vendor-assigned address.
*PC2 and PC3 NICs are from different vendors.
PC2 and PC3 NICs are from the same vendor.


38
Which of the following are considered WAN technologies?
(Choose two.)

*DSL
Ethernet
Wireless Ethernet
*T1-Carrier
Token Ring


39
which one of the router connectors shown in the graphic
would be used for a LAN connection?

Connector A
Connector B
*Connector C
Connector D


40
How is full-duplex capability typically achieved in fiber-optic cable?

*Two fibers are encased in separate sheaths.
Light is bounced at different rates in opposite directions.
Transmit speeds are so high that half-duplex is acceptable.
Colors of the light spectrum are separated into transmit and
receive streams.


41
Which of the following are characteristics of IP? (Choose three.)

connection-oriented protocol
connectionless protocol*
reliable protocol
unreliable protocol *
routed protocol *
routing protocol


42
Which of the following describe the token-passing logical
topology? (Choose two.)

*FDDI is an example of a token-passing network.
Token-passing logical topologies must also be physical ring
topologies.
One of the disadvantages of the token-passing logical topology
is the high collision rate.
Computers transmit data after "listening" to the wire to detect
other traffic.
*Computers are allowed to transmit data only when
they possess a token.


43
What is the maximum length of a media segment used for
100BASE-TX?

*100 meters
185 meters
400 meters
500 meters


44
which of the following networking devices divide a network
into separate collision domains? (Choose two.)

repeater
*bridge
*switch
AUI
hub


45
Which of the following are characteristics of UTP cable?
(Choose three.)

*Each wire is covered by insulating material.
It is not affected by EMI or RFI.
*It is a four-pair wire medium.*
It is difficult to terminate the cable.
*It relies on the cancellation effect produced by
the twisted wire pairs.
It is more expensive than any other type of LAN cabling.


46
Examine the graphic with current configurations. Host A in the
Clerical offices failed and was replaced. Although a ping to 127.0.0.1
was successful, the replacement computer can not access
the company network. What is the likely cause of the problem?

IP address incorrectly entered
network cables unplugged
*subnet mask incorrectly entered
network card failure


47
Which of the following describes a physical full-mesh topology?

It requires termination at both ends of the cable.
It uses a hub or a switch as a central point to connect all wires.
*It provides maximum connectivity between all
network systems.
It links all computers to a main computer that controls all
traffic on the network.


48
Which two statements describe the TFTP protocol?
(Choose two.)

uses authenticated file transfer procedure
provides connection-oriented service
*provides connectionless service
provides more features that FTP
*lacks most of the features of FTP


49
Which of the following are transport layer protocols of
the TCP/IP model? (Choose two.)

FTP
*UDP
SMTP
TFTP
*TCP



50
Which type of UTP network cable connects two Cisco switches?

straight-through
*crossover
rollover
patch


51
How will the MAIN router dynamically learn a route to
the 10.16.10.48/28 subnetwork in the diagram?

with a routed protocol
*with a routing protocol
with a static route
with a directly connected route


52
Which of the following describes the RIP version 1
routing protocol?

Cisco proprietary hybrid protocol
*distance vector protocol that uses hop count
as the only metric *
link state protocol supporting multiple routed protocols
distance vector protocol that uses delay, bandwidth, load,
and reliability metrics


53
How many broadcast domains are shown in the diagram?

*three
four
five
six
seven
eight


54
Which of the following are advantages of UTP cable?
(Choose three.)

*less expensive than fiber optic
*flexible and easy to run in a building
distance between signal boosts is longer than it is for coaxial
*transmits data at a faster rate than any copper-based media
receives less RMF and EMI interference than other types

55.
Which of the following devices extend a collision domain? (choose 2)
*-hub
*-repeater