CCNA Exploration 1 Final V4.0.pdf

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1. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Host A attempts to establish a TCP/IP session with host C... 
 
Refer to the exhibit. Host A attempts to establish a TSP/IP session with host C. 
During this attempt, a frame was captured at the FastEthernet interface fa0/1 of 
router Y. The packet inside the captured frame has the IP source address 
172.16.1.5 and the destination IP address is 172.16.7.24 . What is the source 
MAC address of the frame at the time of capture? 
 
0040.8596.DE82 
 
**0060.7320.B826 
 
0060.7320.D632 
 
 
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0010.4F74.AC09 
 
0040.8596.DE81 
 
2. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Refer to the exhibit. An employee wants to access the organization intranet from 
home. Which intermediary device should be used to connect the organization 
intranet to the Internet to enable this access? 
hub 
switch 
**router 
wireless access point 
 
3. 
 
 
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The host was disconnected from switch 2 and connected to switch 1. Which 
combination of IP address, subnet mask, and default gateway should be assigned 
to this host to allow it to function in the network? 
 
Refer to the exhibit. The host was disconnected from switch 2 and connected to 
switch 1. Which combination of IP address, subnet mask, and default gateway 
should be assigned to this host to allow it to function in the network? 
 
IP address: 10.10.9.37 Subnet mask: 255.255.255.240 Default gateway: 
10.10.9.35 
**IP address: 10.10.9.37 Subnet mask: 255.255.255.224 Default gateway: 
10.10.9.35 
IP address: 10.10.9.29 Subnet mask: 255.255.255.248 Default gateway: 
10.10.9.35 
IP address: 10.10.9.32 Subnet mask: 255.255.255.224 Default gateway: 
10.10.9.35 
IP address: 10.10.9.37 Subnet mask: 255.255.255.224 Default gateway: 
196.1.105.6 
IP address: 10.10.9.63 Subnet mask: 255.255.255.224 Default gateway: 
10.10.9.35 
 
4. Which range of port numbers is assigned dynamically to client applications 
when initiating a connection to the server? 
0 to 255 
**49152 to 65535 
1024 to 49151 
0 to 1023 
 
5. 
 
 
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Refer to the exhibit. The diagram represents the process of sending e-mail 
between clients. Which list 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.MUA 2.SMTP 3.MTA 4.SMTP 5.MTA 6.MDA 7.POP 8.MUA 
 
6. Refer to the exhibit. While configuring a network, a technician wired each 
end of a Category 5e cable as shown. Which two statements are true about this 
setup? (Choose two.) 
 
**The cable is suitable for connecting a switch to a router Ethernet port. 
**The cable is suitable for connecting dissimilar types of devices. 
The cable is unusable and must be rewired. 
The cable is terminated in a way that the transmit pin is wired to the receive pin. 
The cable simulates a point-to-point WAN link. 
 
7. Refer to the exhibit. Which two facts can be determined about the topology? 
(Choose two.) 
 
**Four collision domains are present. 
One logical network is represented. 
**Two broadcast domains are present. 
Three networks are needed. 
Three logical address ranges are required. 
 
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8. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
nslookup command on the PC 
 
Refer to exhibit. A technician uses the nslookup command on the PC and views 
the output that is displayed in the exhibit. What is the IP address of the primary 
domain name server used by the host? 
 
**10.10.10.32 
192.168.1.5 
192.168.1.99 
192.168.2.100 
 
9. Which subnet mask will allow 2040 hosts per subnet on the IP network 
10.0.0.0? 
255.255.0.0 
255.255.254.0 
255.255.252.0 
**255.255.248.0 
255.255.240.0 
255.255.255.128 
 
 
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10. Which three addresses belong to the category of private IP addresses? 
(Choose three.) 
**10.0.0.1 
127.0.0.1 
150.0.0.1 
**172.16.0.1 
**192.168.0.1 
200.100.50.1 
 
11. 
 
 
 
 
 
 
 
 
 
 
 
 
Host A is transmitting data to host B. Which address combination will be used 
as the data leaves the Router1 Fa0/1 interface? 
 
Refer to the exhibit. Host A is transmitting data to host B. Which address 
combination will be used as the data leaves the Router1 Fa0/1 interface? 
Destination IP: 192.168.72.2 Source MAC: 0007.C2B4.3421 
**Destination IP: 192.168.10.4 Source MAC: 0030.8596.DE81 
Destination IP: 192.168.10.4 Source MAC: 0007.C2B4.3421 
Destination IP: 192.168.72.2 Source MAC: 0030.8596.DE81 
 
12. Which memory contents will change as a result of using the Router# erase 
startup-config command on a router? 
RAM 
ROM 
flash 
 
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**NVRAM 
 
13. What are two characteristics of the data link layer? (Choose two.) 
**It segments and reorders the data. 
It exchanges the frames between nodes. 
**It defines the method by which network devices place data onto the media. 
It manages the transfer of data between the processes that run on each host. 
It retrieves signals from the media and restores them to their bit representations. 
 
14. Refer to the exhibit. The NAT functionality of the router is enabled to 
provide the PC with Internet access. Which IP address can be assigned to router 
interface Fa0/0? 
10.0.0.1 
172.16.1.1 
**209.165.201.1 
192.168.1.1 
 
15. 
 
 
 
 
 
 
 
 
 
 
 
 
 
A user wants to access the Internet from the PC. A part of the running 
configuration of the router is shown 
 
Refer to the exhibit. A user wants to access the Internet from the PC. A part of 
the running configuration of the router is shown. Which default gateway IP 
address should be configured at the PC to enable this access? 
 
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10.1.192.2 
10.1.192.54 
**10.1.192.1 
192.31.7.1 
 
16. Refer to the exhibit. A network technician wants to connect host A to the 
console of a Cisco switch to initialize the configuration. What type of cable is 
required for this connection? 
straight-through cable 
crossover cable 
**rollover cable 
serial cable 
 
17. A network administrator wants to restrict access to the router privileged 
EXEC mode. Which password should the administrator use? 
**enable 
aux 
console 
VTY 
 
18. What are three characteristics of CSMA/CD? (Choose three.) 
**Devices listen to the media and transmit data only when they cannot detect 
another signal on the media. 
**All devices on the media can hear all communications. 
Devices communicate based on a configured priority. 
After a collision occurs, the devices that caused the collision have first priority 
when attempting to retransmit. 
**When a collision occurs, all devices stop transmitting for a randomly 
generated period of time. 
CSMA/CD uses a token system to avoid collisions. 
 
19. Refer to the exhibit. The router of the company failed and was replaced. 
After the replacement, hosts C and D in the Education office are able to ping 
each other, but they are unable to access the hosts in the Accounts office. What 
is the likely cause of the problem? 
The IP address at the fa0/0 interface of the router is incorrectly configured. 
**The subnet mask at the fa0/1 interface of the router is incorrectly entered. 
The IP address at the serial interface of the router is incorrectly configured. 
The hosts in the Accounts office are not on the same subnet as the hosts in the 
Education office. 
 
20. Refer to the exhibit. Host A and B are unable to communicate with each 
other. What is the reason for this? 
Host A is assigned a network address. 
Host B is assigned a multicast address. 
 
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Host A and host B belong to different networks. 
**The gateway addresses are network addresses. 
 
21. Refer to the exhibit. A user wants to view the current configuration. The 
output of the ipconfig/all command is displayed in the exhibit. What three facts 
can be determined from the output? (Choose three.) 
The IP address is obtained from the DHCP server. 
**This PC cannot communicate with other networks. 
**The network can have 14 hosts. 
The prefix of the computer address is /25. 
The IP address is routable on the Internet. 
**The assigned address is a private address. 
 
22. Which two types of media can provide bandwidth up to 1 Gb/s? (Choose 
two.) 
 
10 BASE-T 
100 BASE-T 
100 BASE-FX 
**1000 BASE-TX 
**1000 BASE-SX 
 
23. Refer to the exhibit. RouterB is configured properly. 
The Ethernet interface Fa0/0 of RouterA is configured with the use of the 
commands that are shown However, a ping from the Fa0/0 interface of RouterA 
to the Fa0/0 interface of RouterB is unsuccessful. What action should be taken 
on RouterA to solve this problem? 
Use the description command on the FastEthernet interface Fa0/0. 
Configure the clock rate of the FastEthernet interface Fa0/0. 
**Use the no shutdown command on the FastEthernet interface Fa0/0. 
Reboot the router. 
 
24. Refer to the exhibit. Host A wants to connect to host B on a different 
network. Which three IP addresses can be assigned to host A to enable this 
connectivity? (Choose three.) 
 
172.16.11.36 
172.16.11.95 
**172.16.11.88 
**172.16.11.70 
172.16.11.64 
**172.16.11.67 
 
25. Refer to the exhibit. Host A wants to access e-mail. Which destination 
socket number will be used to communicate this request? 
 
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10.10.1.2:53 
0007.A7B8.0008:25 
10.10.1.3:23 
**10.10.1.3:25 
 
26. A network administrator uses the copy startup-config running-config 
command on a router to make configuration changes. Which component is 
affected by this command? 
ROM 
**NVRAM 
RAM 
flash 
 
27. Refer to the exhibit. In a network, Hosts A and B are exchanging segments 
at the transport layer. Which two statements are true about this exchange? 
(Choose two.) 
 
Host A is transferring files to host B using FTP. 
**Host A will send the next segment containing data for this session starting 
with byte number 11 
The segment from the destination host indicates that 11 bytes have been 
received successfully 
**Host A is initiating a Telnet session to host B 
Host B can send the next segment of the data starting with byte number 2 
 
28. How does the transport layer allow a host to maintain multiple, simultaneous 
communication streams across different applications? 
It uses error control mechanisms. 
**It uses a connectionless protocol only for multiple simultaneous 
transmissions. 
It uses multiple Layer 2 source addresses. 
It uses multiple ports. 
 
29. What information is contained in the header of Layer 3 to help data delivery? 
port number 
device physical address 
**destination host logical address 
virtual connection identifier 
 
30. Refer to the exhibit. The tracert command used from host X to host Y was 
successful. What is the correct sequence of intermediary network devices that 
will be present in the trace list? 
switch A, switch D, switch G, host Y 
**router B, router E, router F, host Y 
switch A, router B, switch D, router E, router F, switch G, host Y 
 
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switch A, router B, router F, switch G, host Y 
 
31. While configuring a router, a network technician wants to name the router. 
Which prompt should the technician see when entering the hostname command? 
Router> 
Router# 
**Router(config)# 
Router(config-line)# 
 
32. An organization has decided to use IP addresses in the range 172.20.128.0 to 
172.20.143.255. Which combination of network ID and subnet mask identifies 
all IP addresses in this range? 
Network ID: 172.20.128.0 Subnet mask: 255.255.255.0 
Network ID: 172.20.128.0 Subnet mask: 255.255.0.0 
Network ID: 172.20.128.0 Subnet mask: 255.255.224.0 
**Network ID: 172.20.128.0 Subnet mask: 255.255.240.0 
Network ID: 172.20.128.0 Subnet mask: 255.255.255.240 
33. Refer to the exhibit. Which logical topology describes the exhibited 
network? 
star 
**ring 
point-to-point 
multi-access 
34. Refer to the exhibit. All devices in the network use default configurations. 
How many broadcast domains are there in this topology? 
 
3 
**5 
7 
9 
11 
 
35. Which three IPv4 addresses represent valid network addresses for a subnet? 
(Choose three.) 
192.168.9.64/28 
**192.168.9.146/28 
192.168.9.96/28 
**192.168.9.129/26 
**192.168.9.51/26 
192.168.9.64/26 
 
36. Two routers are connected via their serial ports in a lab environment. The 
routers are configured with valid IP addresses, but they cannot ping each other. 
The show interface serial0/0 command shows that the serial0/0 interface is up 
but the line protocol is down. What could be the cause of this problem? 
 
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The no shutdown command has not been applied to the interfaces. 
**The clock rate command has not been entered on the DCE interface. 
The interface timers are not cleared. 
The FastEthernet interface is emulating a serial interface by assigning it a timing 
signal. 
 
37. Which device should be used for enabling a host to communicate with 
another host on a different network? 
switch 
hub 
**router 
host 
 
38. Refer to the exhibit. The network administrator uses the netstat command to 
display the open, active, and running TCP connections on a networked host. The 
exhibit displays the output of this command. Which two facts can be determined 
from this output for accessing www.cisco.com? (Choose two.) 
 
**The source port indicates that the session is an http session. 
The connection is not successful. 
**The source port of the host is 3166. 
The destination port is 80. 
The source port does not support communication with the destination port that is 
listed. 
The source port indicates that a UDP session has been initiated. 
 
39. Which OSI layer uses the header information to reassemble the data 
segments into streams? 
 
application layer 
network layer 
presentation layer 
session layer 
**transport layer 
 
40. Which three statements are true about transport layer protocols? (Choose 
three.) 
The UDP transport layer protocol provides for low overhead data delivery. 
**The TCP transport layer protocol uses windowing and acknowledgments for 
reliable transfer of data. 
**The TCP and UDP port numbers are used by application layer protocols. 
**The TCP transport layer protocol provides services to direct the data packets 
to their destination hosts. 
The UDP transport layer protocol is a connection-oriented protocol. 
The UDP transport layer protocol keeps track of all the data segments in each 
 
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conversation. 
 
41. To enhance security in a network, the network administrator uses these 
commands: 
 
Router(config)# line console 0 
Router(config-line)# password j1mdi2 
Router(config-line)# login 
What two conclusions are evident from these commands? (Choose two.) 
**Users who attempt to connect to the console port of the router must enter a 
password. 
**The entries permit access through the console by the use of j1mdi2 as the 
password. 
The entries eliminate the need for authentication. 
Access through the console will be denied because the console configuration is 
incomplete. 
The entries prevent passwords from being displayed as plain text. 
 
42. Refer to the exhibit. Each media link is labeled. What type of cable should 
be used to connect the different devices? 
Connection 1 - straight-through cable Connection 2 - straight-through cable 
Connection 3 - crossover cable 
Connection 1 - straight-through cable Connection 2 - crossover cable 
Connection 3 - rollover cable 
Connection 1 - crossover cable Connection 2 - rollover cable Connection 3 - 
straight-through cable 
**Connection 1 - crossover cable Connection 2 - straight-through cable 
Connection 3 - crossover cable 
Connection 1 - straight-through cable Connection 2 - rollover cable Connection 
3 - crossover cable 
 
43. Refer to the exhibit. The headers added at each layer are shown. 
Which layer adds the destination and source process numbers to ensure that data 
is delivered to the correct application? 
physical layer 
data link layer 
network layer 
**transport layer 
 
44. Which three statements are true about network layer addressing? (Choose 
three.) 
It uses the last octet of the IP address to identify the network. 
**It supports data communications between networks. 
**It is configured by the network technician. 
It is a 16-bit IPv4 address. 
 
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It prevents broadcasts. 
**It uniquely identifies each host. 
 
45. Refer to the exhibit. A PC is connected to a network. Which action will 
verify that the PC can communicate with its default gateway? 
Use the ping 127.0.0.1 command. 
Use the ipconfig command. 
Use the ipconfig/all command. 
**Use the ping 10.0.0.254 command. 
 
46. Refer to the exhibit. Host A sends a frame with the destination MAC address 
as FFFF.FFFF.FFFF. What action will the switch take for this frame? 
It will drop the frame. 
It will send the frame back to host A. 
**It will send the frame to all hosts except host A. 
It will forward the frame to the default gateway. 
 
47. Refer to the exhibit. The network administrator remotely accesses the CLI of 
RouterB from PC1 using a secure connection. Which statement is true about this 
connection? 
The Telnet server process is running on PC1. 
Only the exchange of the Telnet username and password is encrypted. 
The GET request is sent to RouterA to retrieve data. 
**The SSH service is used to connect PC1 to RouterB. 
 
48. Which OSI layer uses the header information to reassemble the data 
segments into streams? 
application layer 
network layer 
presentation layer 
session layer 
**transport layer 
 
49. Refer to the exhibit. A router, the table of which is shown, receives a packet 
that is destined for 192.168.9.4. How will the router treat the packet? 
It will drop the packet. 
It will forward the packet via FastEthernet 0/1. 
**It will forward the packet to the next hop address. 
It will forward the packet to 172.16.2.0 
 
50. Refer to the exhibit. Cable 1 and Cable 2 are wired for specific physical 
layer requirements. The table lists each segment by number and the cable that 
connects the network components on that segment. Which three segments have 
the correct cables installed? (Choose three.) 
 
 
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**segment 1 
segment 2 
segment 3 
**segment 4 
**segment 5 
segment 6 
 
TEST IS ABOVE 91%