CCNA2 v6.0 Pretest Exam - Online Assessment

1. Question

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

2. Question

What is the correct order for PDU encapsulation?

3. Question

To revert to a previous configuration, an administrator issues the command copy tftp startup-config on a router and enters the host address and file name when prompted. After the command is completed, why does the current configuration remain unchanged?

The command should have been copy startup-config tftp.
The configuration should have been copied to the running configuration instead.
The configuration changes were copied into RAM and require a reboot to take effect.
A TFTP server can only be used to restore the Cisco IOS, not the router configuration.

4. Question

A small car dealership has a scanner that is attached to the PC of the sales manager. When salesmen need to scan a document, they place the document in the scanner and use their own PCs to control the scanner through software on the PC of the manager. After the document is scanned, they can attach it to an email or upload it into the sales software. What type of network model does this scenario describe?

client/server
packet-switched
peer-to-peer
centralized
hierarchical

5. Question

Which media access method requires that an end device send a notification across the media before sending data?

CSMA/CA
CSMA/CD
deterministic
token passing

6. Question

Refer to the exhibit. PC1 is configured to obtain a dynamic IP address from the DHCP server. PC1 has been shut down for two weeks. When PC1 boots and tries to request an available IP address, which destination IP address will PC1 place in the IP header?

CCNA2 v6.0 Pretest Exam 007

192.168.1.1
192.168.1.8
192.168.1.255
255.255.255.255

7. Question

Which statement is true about IPv6 addresses?

Global unicast addresses are globally unique and can be routed through the Internet.
Link-local addresses must be unique.
A loopback address is represented by ::/128.
Unique local addresses are used to communicate with other devices on the same link.

8. Question

Refer to the exhibit. Which IP addressing scheme should be changed?

CCNA2 v6.0 Pretest Exam 006

Site 1
Site 2
Site 3
Site 3

9. Question

What is the most effective way to mitigate worm and virus attacks?

What is the most effective way to mitigate worm and virus attacks?
Ensure that users change their passwords often.
Deploy packet filtering firewalls at the network edge.
Install security updates to patch vulnerable systems.

10. Question

A particular website does not appear to be responding on a Windows 7 computer. What command could the technician use to show any cached DNS entries for this web page?

ipconfig /all
arp -a
ipconfig /displaydns
nslookup

11. Question

Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator uses Telnet to connect to the switch, which password is needed to access user EXEC mode?

CCNA2 v6.0 Pretest Exam 005

letmein
secretin
lineconin
linevtyin

12. Question

In performing a protocol analysis of a network, when should traffic be captured to ensure the most accurate representation of the different traffic types on the network?

during software upgrades
during times of moderate network use
during hours of peak network use
during weekends and holidays when network use is light

13. Question

Refer to the exhibit. A TCP segment from a server has been captured by Wireshark, which is running on a host. What acknowledgement number will the host return for the TCP segment that has been received?

CCNA2 v6.0 Pretest Exam 004

2
21
250
306
2921

14. Question

Refer to the exhibit. What is the link-local IPv6 address of the local computer shown based on the output of the netstat -r command?

CCNA2 v6.0 Pretest Exam 001

::1/128
2001::/32
2001:db8:9d38:953c:1c53:2271:9c9a:c62c/128
fe80::/64
fe80::13e:4586:5807:95f7/128

15. Question

A network administrator is checking the system logs and notices unusual connectivity tests to multiple well-known ports on a server. What kind of potential network attack could this indicate?

access
reconnaissance
denial of service
information theft

16. Question

Which technology provides a solution to IPv4 address depletion by allowing multiple devices to share one public IP address?

ARP
DNS
PAT
SMB
DHCP
HTTP

17. Question

What happens when part of an Internet television transmission is not delivered to the destination?

A delivery failure message is sent to the source host.
The part of the television transmission that was lost is re-sent.
The entire transmission is re-sent.
The transmission continues without the missing portion.

18. Question

Which three IP addresses are public? (Choose three.)

10.1.1.1
128.107.0.7
192.31.7.10
172.16.4.4
192.168.5.5
64.104.7.7

19. Question

A host is accessing an FTP server on a remote network. Which three functions are performed by intermediary network devices during this conversation? (Choose three.)

regenerating data signals
acting as a client or a server
providing a channel over which messages travel
applying security settings to control the flow of data
notifying other devices when errors occur
serving as the source or destination of the messages

20. Question

Which IP address is a valid network address?

172.16.4.32/27
172.16.4.79/28
172.16.4.255/22
172.16.5.255/23

21. Question

What is the range of host IP addresses for the subnet 172.16.1.32/28?

172.16.1.33 - 172.16.1.38
172.16.1.33 - 172.16.1.46
172.16.1.33 - 172.16.1.62
172.16.1.32 - 172.16.1.39
172.16.1.32 - 172.16.1.47

22. Question

An organization has received the IPv6 network prefix of 2001:db8:1234::/52 from their ISP. How many subnets can be created from this prefix without borrowing bits from the interface ID?

1024
4096
8192
65536

23. Question

Match the application protocols to the correct transport protocols.

Sort elements

FTP
HTTP
SMTP
DHCP
TFTP

Target TCP

Target UDP

24. Question

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.

What is the secret keyword that is displayed on the web page?

router
switch
frame
packet
cisco

25. Question

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.
Which IPv6 address is assigned to the Serial0/0/0 interface on RT2?

2001:db8:abc:1::1
2001:db8:abc:5::1
2001:db8:abc:5::2
2001:db8:abc:10::15

26. Question

Which statement describes a route that has been learned dynamically?

It is automatically updated and maintained by routing protocols.
It is unaffected by changes in the topology of the network.
It has an administrative distance of 1.
It is identified by the prefix C in the routing table.

27. Question

What is the purpose of a routing protocol?

It is used to build and maintain ARP tables.
It provides a method for segmenting and reassembling data packets.
It allows an administrator to devise an addressing scheme for the network.
It allows a router to share information about known networks with other routers.
It provides a procedure for encoding and decoding data into bits for packet forwarding.

28. Question

Refer to the exhibit. What will the router do with a packet that has a destination IP address of 192.168.12.227?

CCNA2 v6.0 Pretest Exam 003

Drop the packet.
Send the packet out the Serial0/0/0 interface.
Send the packet out the GigabitEthernet0/0 interface.
Send the packet out the GigabitEthernet0/1 interface.

29. Question

Which type of static route is configured with a greater administrative distance to provide a backup route to a route learned from a dynamic routing protocol?

standard static route
floating static route
default static route
summary static route

30. Question

Which two factors are important when deciding which interior gateway routing protocol to use? (Choose two.)

scalability
ISP selection
speed of convergence
the autonomous system that is used
campus backbone architecture

31. Question

Which information does a switch use to populate the MAC address table?

the destination MAC address and the incoming port
the destination MAC address and the outgoing port
the source and destination MAC addresses and the incoming port
the source and destination MAC addresses and the outgoing port
the source MAC address and the incoming port
the source MAC address and the outgoing port

32. Question

Employees of a company connect their wireless laptop computers to the enterprise LAN via wireless access points that are cabled to the Ethernet ports of switches. At which layer of the three-layer hierarchical network design model do these switches operate?

distribution
data link
physical
access
core

33. Question

Which advantage does the store-and-forward switching method have compared with the cut-through switching method?

collision detecting
frame error checking
faster frame forwarding
frame forwarding using IPv4 Layer 3 and 4 information

34. Question

Which type of traffic is designed for a native VLAN?

user-generated
tagged
untagged
management

35. Question

A network administrator is configuring a new Cisco switch for remote management access. Which three items must be configured on the switch for the task? (Choose three.)

IP address
VTP domain
vty lines
default VLAN
default gateway
loopback address

36. Question

What is the reason why the DHCPREQUEST message is sent as a broadcast during the DHCPv4 process?

to notify other DHCP servers on the subnet that the IP address was leased
to notify other hosts not to request the same IP address
for hosts on other subnets to receive the information
for routers to fill their routing tables with this new information

37. Question

What is the most likely scenario in which the WAN interface of a router would be configured as a DHCP client to be assigned a dynamic IP address from an ISP?

There is a web server for public access on the LAN that is attached to the router.
The router is also the gateway for a LAN.
It is a SOHO or home broadband router.
The router is configured as a DHCP server.

38. Question

Which type of traffic would most likely have problems when passing through a NAT device?

Telnet
IPsec
HTTP
ICMP
DNS

39. Question

Refer to the exhibit. An administrator is examining the message in a syslog server. What can be determined from the message?

CCNA2 v6.0 Pretest Exam 002

This is a notification message for a normal but significant condition.
This is an alert message for which immediate action is needed.
This is an error message for which warning conditions exist.
This is an error message that indicates the system is unusable.

40. Question

Compared with dynamic routes, what are two advantages of using static routes on a router? (Choose two.)

They improve network security.
They use fewer router resources.
They improve the efficiency of discovering neighboring networks.
They take less time to converge when the network topology changes.
They automatically switch the path to the destination network when the topology changes.

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