Final Exam - CCNA Discovery: Networking for Home and Small Businesses (Version 4.0) (2)

	What is the purpose of pop-up blocker software? It detects and removes spyware. It detects and removes viruses. It prevents the display of advertisement windows. It removes unwanted e-mail.

2	Which device is often configured to act as both a DHCP client and a DHCP server? home PC ISP modem wireless-enabled laptop integrated services router

3	As an assignment, a computer science student needs to present data in binary format. What are the two possible values that the student can use? (Choose two.) 0 1 2 A F

4	What is a major characteristic of asymmetric Internet service? Download speeds and upload speeds are equal. Download speeds are faster than upload speeds. Data traffic speeds are faster than voice traffic speeds. Used when consistently uploading large amounts of graphics, video and multimedia traffic.

5	Which installation option should be chosen when the current operating system is too damaged to work properly? upgrade multi-boot clean install virtualization

6	What measurement is commonly used to describe communication speed when transferring data? bps cps Hz MB

7	A college network administrator is planning a wireless LAN to provide service in the student lounge and outdoor patio. The requirements include a range of at least 80 meters and a speed of 30 Mb/s. Which wireless LAN standard meets these requirements? 802.11 802.11a 802.11b 802.11g

8

After attaching four PCs to the switch ports, configuring the SSID and setting authentication properties for a small office network, a technician successfully tests the connectivity of all PCs that are connected to the switch and WLAN. A firewall is then configured on the device prior to connecting it to the Internet. What type of network device includes all of the described features? switch ISR router firewall appliance standalone wireless access point

9

Which statement is true concerning stateful packet inspection? Access is permitted based on IP addresses of the source and destination devices. Access is permitted based on the MAC addresses of the source and destination devices. Access is permitted only if the type of application that is attempting to reach the internal host is allowed. Access is permitted only if it is a legitimate response to a request from an internal host.

10	Refer to the exhibit. Assume that the exhibited output is from a host that is connected to a Linksys integrated router. What is the first thing that should be checked while using a bottom-up troubleshooting approach? the default gateway on the host the IP address on the host the IP address on the router the link status LED on the front of the router the subnet mask on the host

11	What does the term "attenuation" mean in data communication? loss of signal strength as distance increases time for a signal to reach its destination leakage of signals from one cable pair to another strengthening of a signal by a networking device

12	Refer to the graphic. Assume that the command output is from a wireless DHCP client that is connected to a Linksys integrated router. What can be deduced from the output? The wireless connection is good. The WEP key or SSID needs to be checked. The DHCP configuration on the router needs to be checked. The wireless NIC driver or the NIC itself needs to be reinstalled.

13	Which transport layer protocol is used when an application requires acknowledgment that data has been delivered? FTP TCP UDP RTP SMTP

14	What is an ISP? It is a standards body that develops cabling and wiring standards for networking. It is a protocol that establishes how computers within a local network communicate. It is an organization that enables individuals and businesses to connect to the Internet. It is a networking device that combines the functionality of several different networking devices in one.

15	What must be identical on all devices in a WLAN for successful wireless communication between the devices? SSID antenna type network mode wireless NIC driver

16	All hosts within a domain receive the same frame that originates from one of the devices. The domain is also bounded by routers. What type of domain is this? broadcast collision local multicast

17	Refer to the exhibit. Which statement is true based on the information that is shown in the exhibit? All wireless devices that are connected to this AP must have an assigned SSID of College. Any wireless client that is attached to this AP must have the same IP address and SSID. The AP is not physically wired to the local LAN. This configuration is found only in an ad hoc wireless network.

18	Refer to the exhibit. The security policy of an organization allows employees to connect to the office intranet from their homes. Which type of security policy is this? acceptable use incident handling network maintenance remote access

19	Which wireless protocol is used for encryption? EAP Open PSK WEP

20	Refer to the exhibit. An educational institution needs to connect PC systems that use private IP addressing to the Internet. They have multiple systems that need to access the Internet, but were only able to purchase one public IP address. What should be activated on the Linksys integrated router to achieve this goal? authentication DHCP encryption firewall NAT WEP

21	What is an advantage of purchasing a custom-built computer? It is beneficial for less knowledgeable consumers. The waiting period for assembly is negligible. The cost is lower compared to a computer that has been preassembled. The user can specify high-performance components to meet specific needs.

22	Refer to the exhibit. PC1 sends a data packet to PC4. When the router forwards the data out Fa0/1, what destination MAC address will the router place in the frame? 0050.0FA9.CB47 0050.E208.A761 0200.5455.4E01 0200.545D.25F7

23	Which type of computer has an integrated mouse? desktop laptop mainframe server pocket PC

24	Refer to the exhibit. What is the reason that the host is unable to connect to the Internet? DHCP needs to be enabled on the router. The router has an incorrect DHCP starting address. The IP address on the host is in the wrong network. The host is configured with an incorrect gateway.

25	What is the function of a physical topology map? records IP addressing of each host records hostnames and applications organizes groups of hosts by how they use the network shows where wiring is installed and the locations of network devices

26	What is true about a wireless access point that is equipped with an omnidirectional antenna? concentrates signal in one direction typically used in bridging applications radiates the signal equally in all directions provides the greatest transmission distance of all antenna types that are used by APs

27

Refer to the exhibit. A ping command that was initiated from the local PC to the file server at IP address 209.165.201.5 succeeded. However, a ping that was initiated from the file server to the local PC was unsuccessful. What could cause the ping command that was initiated from file server to fail? The file server is down. The integrated router has failed. NAT has been enabled on the integrated router. A security measure is blocking access that initiates from the server. The DSL modem failed to provide an IP address for the local PC.

28	When are leased lines typically used? when low bandwidth is required for home and small business connectivity when a dedicated digital data line is necessary as a less expensive option to cable and DSL modem service

29	What is the default subnet mask for an IP address of 64.100.19.14? 255.0.0.0 255.255.0.0 255.255.255.0 255.255.255.255

30	Which protocol is used by a client to browse the web server? FTP HTTP POP SMTP

31	Refer to the exhibit. If H4 sends a message to H1 and the destination MAC address is in the MAC table for both Switch1 and Switch2, which host devices will receive the message? only H1 hosts H1 and H4 all hosts that are connected to Switch1 all hosts that are connected to Switch1 and Switch2

32	Which protocol is used to transfer files among network devices and perform file-management functions? DNS FTP HTML HTTP

33

How does a crossover cable connect two routers? It connects the pins that are used for receiving on one router to the pins that are used for receiving on the other router. It connects the pins that are used for transmitting on one router to the pins that are used for receiving on the other router. It disconnects the transmit pins and uses only the receive pins. It uses the same pins for transmitting and receiving.

34	Which two values represent the network number and default mask for the address 209.165.200.225? (Choose two.) 209.0.0.0 209.165.0.0 209.165.200.0 255.0.0.0 255.255.0.0 255.255.255.0

35	Identify two causes of physical layer network problems. (Choose two.) logical addressing issues improperly terminated cables cables plugged into wrong ports incorrect MAC address assigned packets received out of sequence incorrect subnet mask on an interface

36	A local PC has the correct configuration that is required to access the network. A ping command that is sourced at the PC does not receive a response from a remote device. Which operating system command might be used to determine where the connection failed? netstat tracert ipconfig nslookup

37	What type of cable would be required to connect a Linksys router to a wired PC? crossover cable rollover cable serial cable straight-through cable

38	What is the function of CSMA/CA on a wireless Ethernet network? to prevent collisions to broadcast messages to select the least congested channel to establish an ACK between devices

39	Which adapter card would be required for a PC to exchange information with other PCs on a LAN? NIC video card sound card internal modem

40	What are two examples of peripheral output devices? (Choose two.) barcode reader digital camera external DVD headphones printer

41

TCP/IP data transmission between the source and destination host is de-encapsulated in four steps: A. The TCP header is removed. B. Bits are decoded and the destination MAC address is recognized. C. The IP header is removed and the contents are passed to the next layer. D. The Ethernet header and trailer are removed. What is the correct sequence of these steps? A, B, C, D A, C, B, D B, C, D, A B, D, C, A C, A, B, D

42	Which two statements are true about local applications? (Choose two.) They run on the network. An example of a local application is e-mail. They are accessed from a remote computer. They are stored on the local hard disk. They run on the computer where they are installed.

43	What two commands can be used to form a new binding if client information does not agree with the DHCP client table? (Choose two.) ipconfig /release ipconfig /all ipconfig /flushdns ipconfig /renew ipconfig

44	What describes the external IP address that is obtained by a router through a cable or DSL modem? a public address that is obtained from ICANN a private address that is manually configured by the administrator a public address that is obtained through DHCP from the ISP a private address that converts to a public address on the internal LAN

45

A user in a small office is unable to connect to the Internet. The user examines the physical connections to the ISR, a Linksys WRT300N, and notices a solid green LED on the port that is wired to the computer. What does the LED indicate about the current state of the port? The ISR is making adjustments to the port. The device is plugged in and traffic is flowing. The computer is plugged in but no traffic is flowing. The ISR does not detect that the computer is plugged in.

46	A network administrator wishes to deploy a small network without using static IP addresses on employee workstations. However, all employees need Internet access. Which two of these services must be configured to meet network requirements? (Choose two.) FTP DHCP HTTPS NAT HTTP

47

Which three statements describe an IP address? (Choose three.) An IP address is known as a logical address. An IP address uses a 30-bit addressing scheme. An IP address is found in the Layer 2 header during transmission. The network portion of an IP address is burned into a network interface card. An IP address is unique within the same local network. The network portion of an IP address will be the same for all hosts that are connected to the same local network.

48	Which type of network supports DHCP and DNS services for network users in a network domain? client/server peer-to-peer hierarchical ad hoc

49	For the second time in a week, workstations on a LAN are not able to log into the server. The technician fixed the problem the first time, but cannot remember the steps taken to solve it. What aspect of the troubleshooting process has the technician neglected? identifying the problem asking end-users questions documenting the troubleshooting process using structured techniques to solve a problem

50	What type of message is sent to a specific group of hosts? static unicast dynamic multicast broadcast

51	What is specified by the host bits in an IP address? broadcast identity of the network identity of the computer on the network network that is being addressed network to which the host belongs

52

Refer to the exhibit. A user sets up a home network and uses a crossover cable from Switch1 to the Internet port on the ISR. However, there is no connection between the host H1 and the server. What should the user do in order to establish a connection? Replace the cable with a console cable. Replace the cable with a rollover cable. Replace the failed crossover cable with a working crossover cable. Replace the cable with a straight-through cable. T

Final Exam - CCNA Discovery: Networking for Home and Small Businesses (Version 4.0) (1)

1
Bottom-up troubleshooting begins at which layer of the OSI model?
network layer
#physical layer
data link layer
transport layer
application layer

2
Which two statements are true about local applications? (Choose two.)
They run on the network.
An example of a local application is e-mail.
#They are accessed from a remote computer.
They are stored on the local hard disk.
#They run on the computer where they are installed.

3


Refer to the exhibit. What default gateway address will be assigned to PC1 if access to remote resources is needed?
#192.31.7.3
192.168.1.101
192.168.1.253
A default gateway is not necessary.

4
Which attribute must be the same for wireless devices on one network to be able to communicate with devices on a different network?
DNS server
MAC address
#default gateway
operating system
wireless equipment vendor

5
How do ISPs obtain public IP addresses?
They create the addresses themselves.
They obtain the addresses from the home PCs.
They obtain the addresses from the Internet registry.
#They obtain the addresses from the RFC.

6


Refer to the exhibit. The security policy of an organization allows employees to connect to the office intranet from their homes. Which type of security policy is this?
acceptable use
incident handling
network maintenance
#remote access

7
Which wireless component allows wireless clients to gain access to a wired network?
PDA
STA
access point
#wireless bridge

8
Which network design layer provides a connection point for end user devices to the network?
access
core
distribution
#network

9
Which two transport layer protocols are used to transfer messages between hosts? (Choose two.)
DHCP
FTP
SMTP
#TCP
#UDP

10
An administrator is troubleshooting a network problem that involves the inability of users to reach Internet sites. During troubleshooting, the administrator is able to successfully ping web sites by their IP address, but pings to domain names are unsuccessful. Which service is most likely at fault?
DHCP
#DNS
FTP
NAT

11


Refer to the graphic. Assume that the command output is from a wireless DHCP client that is connected to a Linksys integrated router. What can be deduced from the output?
#The wireless connection is good.
The WEP key or SSID needs to be checked.
The DHCP configuration on the router needs to be checked.
The wireless NIC driver or the NIC itself needs to be reinstalled.

12
A company has a web server that must be accessible to both external and internal clients. Which security policy best practice should be followed to maximize security of the server?
Place the web server in a DMZ.
#Keep the web server on the external network.
Configure a firewall device to serve as the web server.
Locate the web server in the server farm of the internal network.

13
TCP/IP data transmission between the source and destination host is de-encapsulated in four steps:

A. The TCP header is removed.
B. Bits are decoded and the destination MAC address is recognized.
C. The IP header is removed and the contents are passed to the next layer.
D. The Ethernet header and trailer are removed.

What is the correct sequence of these steps?
A, B, C, D
A, C, B, D
#B, C, D, A
B, D, C, A
C, A, B, D

14
A computer joins the network and announces itself to all hosts on the LAN. What type of message does the computer send out?
#broadcast
simulcast
multicast
unicast

15
What are two ways that a user can interact with an operating system shell? (Choose two.)
#CLI
OS
#GUI
NIC
kernel

16
What are two examples of peripheral input devices? (Choose two.)
external modem
#barcode reader
#digital camera
plotter
printer

17
What are three examples of logical configuration information used when planning a network implementation? (Choose three.)
#size of broadcast domains
naming scheme
length of cable runs
#IP addressing scheme
#physical device location
location of power outlets

18
Which wireless protocol is used for encryption?
EAP
Open
PSK
#WEP

19
Which value represents the host portion of IP address 128.107.10.11 with a subnet mask of 255.255.0.0?
.10
#.10.11
128.107
.107.10.11
128.107.10

20
A home user is looking for an ISP connection that provides high speed digital transmission over regular phone lines. What ISP connection type should be used?
#DSL
dial-up
satellite
cell modem
cable modem

21
What is the purpose of pop-up blocker software?
It detects and removes spyware.
It detects and removes viruses.
#It prevents the display of advertisement windows.
It removes unwanted e-mail.

22
What are two advantages of purchasing a custom-built computer? (Choose two.)
usually a lower cost
no waiting period for assembly
#user can specify higher performance components
#supports higher-end graphics and gaming applications
fewer components to replace

23


Refer to the exhibit. PC1 is unable to access the web server at 209.165.200.226/27. Based on the provided output, what is the most likely cause of the problem?
PC1 is not plugged in to RTR1.
Port 80 is already in use on PC1.
No DNS server is configured on PC1.
#PC1 is configured with an incorrect IP address and default gateway.

24
What is the name for the contract between a customer and an ISP that specifies requirements for uptime and service response time?
DSL
IAB
NAP
#SLA

25
Which term is associated with logical addressing?
#IP addresses
port addresses
physical addresses
Media Access Control addresses

26
Which Windows PC command line utility can be used to discover the path that a packet takes to reach a destination?
ping
netstat
#tracert
nslookup
ipconfig

27
Which statement accurately describes what network devices do in the distribution layer of the three layer design model?
They interconnect individual hosts.
They interconnect multiple companies.
#They interconnect local network segments.
They interconnect the company network to the ISP.

28
Select three statements that correctly describe how DHCP services may be provided. (Choose three.)
An integrated router provides IP configurations for most ISPs.
#An integrated router can act as both DHCP server and DHCP client.
A home PC using a static IP address obtained that address from a DHCP server.
#Most home network integrated routers receive an IP configuration directly from their ISP.
#A variety of devices can act as DHCP servers, as long as they run DHCP service software.
A home PC that is unable to find a DHCP server defaults to the static IP address of 192.168.1.1.

29
Which two causes of networking problems are related to the physical layer? (Choose two.)
#disconnected cables
#improper operation of cooling fans
incorrect MAC address
incorrect default gateway
incorrect subnet mask

30
Which installation option should be chosen when the current operating system is too damaged to work properly?
upgrade
multi-boot
#clean install
virtualization

31
What is an ISP?
It is a standards body that develops cabling and wiring standards for networking.
It is a protocol that establishes how computers within a local network communicate.
#It is an organization that enables individuals and businesses to connect to the Internet.
It is a networking device that combines the functionality of several different networking devices in one.

32
What two pieces of information should a help desk technician document while troubleshooting connectivity issues with an end user? (Choose two.)
the CPU clock speed of the computer
the number of network jacks that are in the room
#if the user can ping the default gateway address
if the word processing software is installed correctly
#whether the PC uses dynamic or static IP addressing

33


Refer to the graphic. What feature can be installed on the Linksys integrated router to convert private IP addresses to Internet-routable addresses?
authentication
DHCP
encryption
firewall
#NAT
WEP

34
After attaching four PCs to the switch ports, configuring the SSID and setting authentication properties for a small office network, a technician successfully tests the connectivity of all PCs that are connected to the switch and WLAN. A firewall is then configured on the device prior to connecting it to the Internet. What type of network device includes all of the described features?
switch
ISR router
#firewall appliance
standalone wireless access point

35
For the second time in a week, workstations on a LAN are not able to log into the server. The technician fixed the problem the first time, but cannot remember the steps taken to solve it. What aspect of the troubleshooting process has the technician neglected?
identifying the problem
asking end-users questions
#documenting the troubleshooting process
using structured techniques to solve a problem

36
What is the default subnet mask for an IP address of 64.100.19.14?
#255.0.0.0
255.255.0.0
255.255.255.0
255.255.255.255

37
How does a crossover cable make it possible for two "like devices" (for example, two switches) to communicate?
The transmit pins are disconnected and only the receive pins are used.
The transmit pins on one device are connected to the transmit pins on the other device.
The receive pins on one device are connected to the receive pins on the other device.
#The transmit pins on one device are connected to the receive pins on the other device.

38
What will be one result of using a wireless infrastructure when designing the communications infrastructure for a new building?
#Wireless devices will be easy to add or relocate.
Infrastructure installation will be difficult and expensive.
There will be less interference from outside electronic sources.
Data transmitted over wireless networks will be more secure than when transmitted over wired networks.

39
What does the term "attenuation" mean in data communication?
#loss of signal strength as distance increases
time for a signal to reach its destination
leakage of signals from one cable pair to another
strengthening of a signal by a networking device

40
Which type of computer has an integrated mouse?
desktop
#laptop
mainframe
server
pocket PC

41
Which Windows command is used to display the configured IP address, subnet mask, and default gateway?
#ipconfig
netstat
nslookup
tracert

42
What must be identical on all devices in a WLAN for successful wireless communication between the devices?
#SSID
antenna type
network mode
wireless NIC driver

43
For devices that do not autosense, which connection requires a crossover cable?
hub port to router port
PC to hub port
PC to switch port
#PC port to PC port

44


Refer to the exhibit. A user on Host1 requests a web page from the web server. Which diagram is accurate for the encapsulation of the traffic that is sent from the user to the web server?

(D)


45
What describes the external IP address that is obtained by a router through a cable or DSL modem?
a public address that is obtained from ICANN
a private address that is manually configured by the administrator
#a public address that is obtained through DHCP from the ISP
a private address that converts to a public address on the internal LAN

46
Which two components are configured via software in order for a PC to participate in a network environment? (Choose two.)
MAC address
#IP address
kernel
shell
#subnet mask

47
What destination IP address is used in a unicast packet?
#a specific host
a group of hosts
all hosts on the network
the network broadcast address

48
Which part of the electromagnetic spectrum is commonly used to exchange data between a PDA and a computer?
FM
radar
#infrared
ultraviolet

49
What two commands can be used to form a new binding if client information does not agree with the DHCP client table? (Choose two.)
#ipconfig /release
ipconfig /all
ipconfig /flushdns
#ipconfig /renew
ipconfig

50
What are the two possible values for a digital bit? (Choose two.)
#0
#1
A
F
#
9

51
Which picture shows a USB port on a PC?
(I THINK YOU'ARE A SMART GUY)


52
What is the purpose of a router?
#to forward broadcasts to all interfaces so that all hosts receive them
to maintain a table of individual host addresses
to select the best path to reach remote networks
to physically connect multiple hosts that belong to the same network

SOURCE : KLIK DISINI