Final CCNA 1 ( D )

1 A PC can not connect to any remote websites, ping its default gateway, or ping a printer that is functioning properly on the local network segment. Which action will verify that the TCP/IP stack is functioning correctly on this PC?

Use the ipconfig /all command at the host�s command prompt.
----> Use the ping 127.0.0.1 command at the command prompt.
Use the traceroute command at the command prompt to identify any failures on the path to the gateway.
Use FTP to check for connectivity to remote sites.
Download a troubleshooting tool from the PC manufacturer's website.


2 Refer to the exhibit. Which set of devices contains only intermediary devices?

----> A, B, D, G
A, B, E, F
C, D, G, I
G, H, I, J


3 Refer to the exhibit. When computer A sends a frame to computer D, what computers receive the frame?

----> only computer D
only computer A and computer D
only computer B, computer C, and computer D
all computers


4 Which password is automatically encrypted when it is created?

vty
aux
console
----> enable secret
enable password


5 Which three statements characterize the transport layer protocols? (Choose three.)

----> TCP and UDP port numbers are used by application layer protocols.
TCP uses port numbers to provide reliable transportation of IP packets.
UDP uses windowing and acknowledgments for reliable transfer of data.
----> TCP uses windowing and sequencing to provide reliable transfer of data.
----> TCP is a connection-oriented protocol. UDP is a connectionless protocol.


6 Which type of media is immune to EMI and RFI? (Choose two.)

10 Base-T
10 Base-2
10 Base-5
----> 100 Base-FX
100 Base TX
----> 1000 Base LX


7 Refer to the exhibit. A technician is working on a network problem that requires verification of the router LAN interface. What address should be pinged from this host to confirm that the router interface is operational?

127.0.0.1
192.168.64.196
----> 192.168.254.1
192.168.254.9
192.168.254.254


8 Refer to the exhibit. The diagram represents the process of sending email between clients. Select the list below that correctly identifies the component or protocol used at each numbered stage of the diagram.

1.MUA 2.MDA 3.MTA 4.SMTP 5.MTA 6.POP 7.MDA 8.MUA
1.MUA 2.POP 3.MDA 4.SMTP 5.MTA 6.MDA 7.SMTP 8.MUA
1.MUA 2.POP 3.SMTP 4.MDA 5.MTA 6.SMTP 7.POP 8.MUA
1.MDA 2.SMTP 3.MTA 4.SMTP 5.MTA 6.MUA 7.POP 8.MDA
----> 1.MUA 2.SMTP 3.MTA 4.SMTP 5.MTA 6.MDA 7.POP 8.MUA


9 Refer to the exhibit. What function does router RT_A need to provide to allow Internet access for hosts in this network?

----> address translation
DHCP services
ftpd
web server


10 Refer to the exhibit. The network containing router B is experiencing problems. A network associate has isolated the issue in this network to router B? What action can be preformed to correct the network issue?

issue the ip address command on interface FastEthernet 0/0
----> issue the no shutdown command on interface FastEthernet 0/1
issue the clock rate command on interface Serial 0/0/0
issue the description command on interface Serial 0/0/1


11 Which three IPv4 addresses represent a broadcast for a subnet? (Choose three.)

----> 172.16.4.63 /26
172.16.4.129 /26
----> 172.16.4.191 /26
172.16.4.51 /27
----> 172.16.4.95 /27
172.16.4.221 /27


12 What are three characteristics of CSMA/CD? (Choose three.)

Devices can be configured with a higher transmission priority.
A jam signal indicates that the collision has cleared and the media is not busy.
----> A device listens and waits until the media is not busy before transmitting.
The device with the electronic token is the only one that can transmit after a collision.
----> All of the devices on a segment see data that passes on the network medium.
----> After detecting a collision, hosts can attempt to resume transmission after a random time delay has expired.


13 In a Cisco IOS device, where is the startup-configuration file stored?

Flash
----> NVRAM
RAM
ROM


14 A routing issue has occurred in you internetwork. Which of the following type of devices should be examined to isolate this error?

access point
host
hub
----> router
switch


15 Which OSI layer protocol does IP rely on to determine whether packets have been lost and to request retransmission?

application
presentation
session
----> transport


16 Due to a security violation, the router passwords must be changed. What information can be learned from the following configuration entries? (Choose two.)

Router(config)# line vty 0 3
Router(config-line)# password c13c0
Router(config-line)# login

The entries specify three Telnet lines for remote access.
----> The entries specify four Telnet lines for remote access.
The entries set the console and Telnet password to "c13c0".
Telnet access will be denied because the Telnet configuration is incomplete.
----> Access will be permitted for Telnet using "c13c0" as the password.


17 Which prompt represents the appropriate mode used for the copy running-config startup-config command ?

Switch-6J>
----> Switch-6J#
Switch-6J(config)#
Switch-6J(config-if)#
Switch-6J(config-line)#


18 Which combination of network id and subnet mask correctly identifies all IP addresses from 172.16.128.0 through 172.16.159.255?

172.16.128.0 255.255.255.224
172.16.128.0 255.255.0.0
172.16.128.0 255.255.192.0
----> 172.16.128.0 255.255.224.0
172.16.128.0 255.255.255.192


19 When must a router serial interface be configured with the clock rate command?

when the interface is functioning as a DTE device
when the interface timers have been cleared
when the connected DTE device is shut down
----> when the interface is functioning as a DCE device


20 When connectionless protocols are implemented at the lower layers of the OSI model, what are usually used to acknowledge the data receipt and request the retransmission of missing data?

connectionless acknowledgements
----> upper-layer connection-oriented protocols
Network layer IP protocols
Transport layer UDP protocols


21 A technician is asked to secure the privileged EXEC mode of a switch by requiring a password. Which type of password would require this login and be considered the most secure?

console
enable
----> enable secret
VTY


22 Refer to the exhibit. What is required on host A for a network technician to create the initial configuration on RouterA?

a FTP client
a telnet client
----> a terminal emulation program
a web browser


23 Refer to the exhibit. A network administrator remotely accesses the CLI of RouterB from PC1. Which two statements are true about the application layer protocol that is used to make this connection? (Choose two.)

The data is encrypted.
----> The connection type is called a VTY session.
A server process is running on PC1.
A GET request is sent to RouterB.
----> The application name is the same for the service, protocol, and client.


24 The Layer 4 header contains which type of information to aid in the delivery of data?

----> service port number
host logical address
device physical address
virtual connection identifier


25 Refer to the exhibit. What two facts can be determined about the exhibited topology? (Choose two.)

----> A single broadcast domain is present
Two logical address ranges are required.
Three broadcast domains are shown.
Four networks are needed.
----> Five collision domains exist.


26 Refer to the exhibit. A network technician is trying to determine the correct IP address configuration for Host A. What is a valid configuration for Host A?

IP address: 192.168.100.19; Subnet Mask: 255.255.255.248; Default Gateway: 192.16.1.2
----> IP address: 192.168.100.20; Subnet Mask: 255.255.255.240; Default Gateway: 192.168.100.17
IP address: 192.168.100.21; Subnet Mask: 255.255.255.248; Default Gateway: 192.168.100.18
IP address: 192.168.100.22; Subnet Mask: 255.255.255.240; Default Gateway: 10.1.1.5
IP address: 192.168.100.30; Subnet Mask: 255.255.255.240; Default Gateway: 192.168.1.1
IP address: 192.168.100.31; Subnet Mask: 255.255.255.240; Default Gateway: 192.168.100.18


27 Refer to the exhibit. Cable 1 and cable 2 have the ends wired for specific physical layer requirements. The table lists each segment by number and the cable which has been installed by the network technician between the network components on that segment. From the data given, which segments have the correct cable installed? (Choose three.)

----> segment1
segment2
----> segment3
----> segment4
segment5


28 What is true regarding network layer addressing? (Choose three.)

uses a flat structure
prevent broadcasts
----> heirarchical
----> uniquely identifies each host
48 bits in length
----> contains a network portion


29 Refer to the exhibit. A router, whose table is shown, receives a packet that is destined for 192.168.1.4. How will router treat the packet?

The packet will be dropped.
The packet will be forwarded via FastEthernet 0/0.
----> The packet will be forwarded to the destination host.
The packet will be forwarded to the 192.168.1.3 next-hop address.


30 Refer to the exhibit. Which two statements describe the information that is represented in the header? (Choose two.)

This is a server response.
The UDP protocol is being used.
----> The destination port indicates a Telnet session.
----> The return segment will contain a source port of 23.
The next session originated from the client of this session will use the source port number 13358.


31 Refer to the exhibit. What is the correct destination socket number for a web page request from Host A to the web server?

00-08-a3-b6-ce-46
----> 198.133.219.25:80
http://www.cisco.com
C 198.133.219.0/24 is directly connected, FastEthernet0/0


32 During the encapsulation process, which identifiers are added at the transport layer?

two networks routing the packets
----> two applications communicating the data
two hosts at either end of the communication
two nodes on the local network exchanging the frame


33 Refer to the exhibit. A student has wired each end of a CAT 5e cable as shown. What is the result? (Choose two.)

The cable is unusable and must be rewired.
The cable is suitable for use as a Gigabit Ethernet straight-through.
----> The cable is suitable for use as a Fast Ethernet crossover.
The cable is suitable for use as a rollover cable.
The cable is suitable for use as a Gigabit Ethernet crossover.
----> The cable is suitable for use between two 100 Mbps Auto-MDIX capable switches.


34 Refer to the exhibit. Assume all devices are using default configurations. How many subnets are required to address the topology that is shown?

1
----> 3
4
5
7


35 Refer to the exhibit. On the basis of the IP configuration that is shown, what is the reason that Host A and Host B are unable to communicate outside the local network?

Host A was assigned a network address.
Host B was assigned a multicast address.
Host A and Host B belong to different networks.
----> The gateway address was assigned a broadcast address.


36 Refer to the exhibit. Each media link is labeled. What type of cable should be used to connect the different devices?

Connection 1 - rollover cable
Connection 2 - straight-through cable
Connection 3 - crossover cable

Connection 1 - crossover cable
Connection 2 - rollover cable
Connection 3 - crossover cable

Connection 1 - straight-through cable
Connection 2 - crossover cable
Connection 3 - crossover cable

----> Connection 1 - straight-through cable
Connection 2 - crossover cable
Connection 3 - straight-through cable


Connection 1 - crossover cable
Connection 2 - straight-through cable
Connection 3 - crossover cable


37 Refer to the exhibit. What does the IP address 192.168.33.2 represent?

The host's default gateway.
The host's IP address.
----> The host's primary domain name server.
The IP address of the website resolver1.mooki.local.
The IP address of the host's homepage.


38 Refer to the exhibit. What two facts can be determined from the information that is given? (Choose two.)

This exchange is part of the three-way handshake.
The source port indicates that a Telnet session has been initiated.
The data is flowing from server to client.
----> The destination port indicates that an HTTP session has been initiated.
X The data listed is associated with the transport layer.
The source port does not support communication with the destination port that is listed.


39 Which of the following are the address ranges of the private IP addresses? (Choose three.)

----> 10.0.0.0 to 10.255.255.255
200.100.50.0 to 200.100.25.255
150.150.0.0 to 150.150.255.255
----> 172.16.0.0 to 172.31.255.255
----> 192.168.0.0 to 192.168.255.255
127.16.0.0 to 127.31.255.255


40 Which two functions of the OSI model occur at layer two? (Choose two.)

----> physical addressing
encoding
routing
cabling
----> media access control


41 Which range of port numbers are reserved for services that are commonly used by applications that run on servers?

0 to 255
----> 0 to 1023
1024 to 49151
49152 to 65535


42 As network administrator, what is the subnet mask that allows 510 hosts given the IP address 172.30.0.0?

255.255.0.0
255.255.248.0
255.255.252.0
----> 255.255.254.0
255.255.255.0
255.255.255.128


43 Refer to the exhibit. The tracert command is initiated from PC1 to the destination PC4. Which device will send a response to the initial packet from PC1?

----> London
Paris
Athens
Ankara
PC4


44 Refer to the exhibit. Host A is transmitting data to host B. What addresses will host A use to for the destination IP and MAC addresses in this communication?

Destination MAC: BBBB:BBBB:BBBB Destination IP: 172.22.0.62
Destination MAC: DDDD:DDDD:DDDD Destination IP: 172.22.0.75
Destination MAC: EEEE:EEEE:EEEE Destination IP: 172.22.0.62
Destination MAC: BBBB:BBBB:BBBB Destination IP: 172.22.0.75
----> Destination MAC: EEEE:EEEE:EEEE Destination IP: 172.22.0.75
Destination MAC: DDDD:DDDD:DDDD Destination IP: 172.22.0.94


45 Refer to the exhibit. Which logical topology best describes the exhibited network?

star
ring
point-to-point
----> multiaccess
mesh


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 Refer to the exhibit. With the router running NAT, what IP addresses can be applied to the computer to allow access to the Internet? (Choose three.)

192.168.18.38
192.168.18.48
----> 192.168.18.49
----> 192.168.18.52
----> 192.168.18.59
192.168.18.63


48 Refer to the exhibit. What three statements are true about the IP configuration that is shown? (Choose three.)

----> The address that is assigned to the computer represents private addressing.
----> The computer is unable to communicate outside of the local network.
The network of this computer can have 126 hosts.
----> The prefix of the computer address is /27.
The IP address that is assigned to the computer is routable on the Internet.
The IP address that is assigned to the computer is a broadcast address.


49 Refer to the exhibit. Host A attempts to establish a TCP/IP session with host C. During this attempt, a frame was captured with the source MAC address 0050.7320.D632 and the destination MAC address 0030.8517.44C4. The packet inside the captured frame has an IP source address 192.168.7.5, and the destination IP address is 192.168.219.24. At which point in the network was this packet captured?

leaving host A
leaving ATL
----> leaving Dallas
leaving NYC


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

application
presentation
session
----> transport
network
1. Which devices will create multiple collision domains in an Ethernet network? (Choose two.)

Switch

router

2. How many collision domains are shown in the diagram?

Seven





3. Refer to the exhibit. The physical documentation shows a portion of the internetwork of the ABC Company. Which segments will be free of collisions?

segments 3, 4, and 5

4. Refer to the exhibit. Which diagram represents the network topology that an administrator would prefer, and why would the administrator prefer it?

Diagram A. It will better provide available bandwidth to the hosts.

5. After an unsuccessful ping to the local router, the technician decides to investigate the router. The technician observes that the lights and fan on the router are not operational. In which layer of the OSI model is the problem most likely occurring?

Physical

6. Refer to the exhibit. How many broadcast domains are shown?

Three

7. Refer to the exhibit. A network associate needs to establish an Ethernet connection between Host A and Host B. However, the distance between the two hosts is further than the cabling standards allow. Which two devices that operate at the physical layer of the OSI can be used to allow Host A and Host B to communicate? (Choose two.)

hub

repeater

8. Refer to the exhibit. What must be configured on Host B to allow it to communicate with the file server? (Choose three.)

a unique host IP address

the subnet mask for the LAN

the default gateway address

9. Refer to the exhibit. Host A pings Host B. What can be concluded about the source and destination addresses contained in the communication sent by Router R5 when it forwards the ping out the Ethernet interface to Host B? (Choose two.)

source MAC address: 5555.AAAA.6666

destination IP address: 192.168.10.134

10. What is the correct number of usable subnetworks and hosts for the IP network address 192.168.35.0 subnetted with a /28 mask?

14 networks / 14 hosts

11. Refer to the exhibit. The network administrator wants to create a subnet for the point-to-point connection between the two routers. Which subnetwork mask would provide enough addresses for the point-to-point link with the least number of wasted addresses?

255.255.255.252

12. Refer to the exhibit. A network technician is trying to determine the correct IP address configuration for Host A. What is a valid configuration for Host A?

IP address: 192.168.100.20; Subnet Mask: 255.255.255.240; Default Gateway: 192.168.100.17

13. Two peer hosts are exchanging data using TFTP. During the current session, a datagram fails to arrive at the destination. Which statement is true regarding the retransmission of the datagram?

Datagram retransmission is controlled by the application.

14. Which protocols are TCP/IP application layer protocols? (Choose two.)

TFTP

DNS

15. 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; 3 and 6

16. In the exhibit, the connections between the devices are labeled A, B, C, D, and E. For each connection, what is the correct UTP cable to use?

A=rollover, B=straight, C=straight, D=crossover, E=crossover

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

Cable C

18. Which subnet masks could be used when subnetting a Class B IP address? (Choose two.)

255.255.255.240

255.255.192.0

19. Which physical network topology is easy to monitor and troubleshoot, easy to add new devices to as the network expands, but subject to complete failure when a central hub or switch ceases to work?

Star

20. A computer technician is asked to make a network cable. One end of the cable is pinned as a 568A and the other as a 568B. For what purposes can this cable be used? (Choose two.)

to connect a switch to a switch

to connect a hub to a switch

21. Refer to the exhibit. Workstation 1 pings the Fa0/1 interface of Router 1. Which MAC address will workstation 1 obtain during the ARP request for this communication?

00-08-A3-B6-CE-02

22. Refer to the exhibit. A network administrator has configured a network after subnetting the network number 192.168.0.0/28. Workstation 1 is not able to communicate with Workstation 2. What is the cause of this loss in communications?

Workstation 1 is not on the same network that the Router 1 LAN interface is on.

23. Which network device creates the highest amount of latency?

Router

24. An Ethernet host receives a frame, calculates the FCS, and compares the calculated FCS to the FCS received in the frame. The host finds that the two FCS values do not match. What action will be taken by the host?

The host discards the frame.

25. A user initiates three simultaneous FTP connections from the local host to the same FTP server. Which OSI layer is responsible for establishing and managing these different FTP connections?

Session

26. A network administrator has installed a 24 port switch and connected 10 computers with 10/100 NICs. If the NICs are operating at 100 Mbps, how much bandwidth is available for each computer to receive data?

100 Mbps

27. Based on the graphic above, which of the following occurs as each host system comes on line in the topology?

The switch adds MAC address to the bridge table as each host sends a frame.

28. Consider the networks shown in the exhibit. Host A is sending packets to host B. Which layer of the OSI model is being used when the router is making the calculated decision to determine which interface to send the packet out?

Network

29. Why would a company install a switch instead of a hub when building or expanding a corporate network?

A switch provides more bandwidth by sending frames only out the port to which the destination device is attached. A hub sends the frame out all ports except the source port.

30. Refer to the exhibit. The hub and the switch are operating using factory default settings. Which hosts will receive the frame if host A transmits a broadcast frame?

Workstations B, C, D, E, and the router will receive the data.

31. Refer to the exhibit. What kind of Ethernet cable is represented?

straight-through cable

32. The ping command can be used to test connectivity between hosts. Which OSI model layers are verified by this test?

Layers 1, 2 and 3

33. A technician is testing connectivity between the devices using the ping command. Pings between Host B and Host A were successful. The technician could not ping the R3 address 172.16.3.2 from Host A. The technician issued ipconfig from Host A and saw the information displayed in the exhibit. What is the most likely problem?

The default gateway of Host A is incorrect.

34. Why do vendors utilize the OSI model when designing networking products?

It ensures greater compatibility and interoperability with equipment from different vendors.

35. A router determines the path to deliver a packet. What layer of the OSI model does this fact represent?

Network

36. How does a switch learn the addresses of hosts connected to its ports?

The switch reads the source MAC address on incoming frames and records it in CAM.

37. Refer to the exhibit. The connections in the exhibit are labeled A through E. Which of these indicate LAN links? (Choose two.)

link A

link E

38. A large company has a network that is constantly changing. The routing tables in the routers need to be adjusted to reflect the changes in the routing paths. What type of routing would the network administrator implement?

dynamic routing protocols

39. A network administrator has added a new switch to the network. The new switch connects to an existing switch that is already installed. Which UTP cable correctly connects the new switch to the existing switch?

crossover

40. Refer to the exhibit. A newly hired technician has a task of terminating CAT 5 UTP cables. The network administrator visually examined the cables the technician terminated. Some of the cables have connectors as shown in the exhibit. What should the network administrator explain to the technician about the cables?

The cable in Graphic A will produce more crosstalk.

41. Refer to the exhibit. What is the order of the TCP/IP Protocol Data Units as data is moved as indicated through the OSI model?

bits, frames, packets, segments, data

42. Refer to the exhibit. Which type of UTP cable should be used to connect Host A to Switch1?

straight-through

43. Which technologies are considered to be LAN technologies? (Choose two.)

Token Ring

Ethernet

44. Refer to the topology in the graphic. Which characteristic does this type of topology possess?

Communication continues in the event of a break in any one connection.

45. Which characteristics are common to both UDP and TCP? (Choose two.)

uses port numbers

classified as a transport layer protocol

46. A router interface has been assigned an IP address of 172.16.192.166 with a mask of 255.255.255.248. To which subnet does the IP address belong?

172.16.192.160

47. Which type of address is 192.168.170.112/28?

subnetwork address

48. What is the decimal representation of the binary number 11111000?

248

49. What are important characteristics to consider when purchasing a network interface card? (Choose two.)

media used on the network system

bus used on the computer

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

It is a media access method used in LANs.

When a device needs to transmit, it checks to see if the media is available.

Only one device can successfully transmit at a time.