CCNA 1 v7.0 Final Exam

Question for CCNA 1 v7 FinalExam

1. Which two traffic types use the Real-Time Transport Protocol (RTP)? (Choose two.)

• video

• web

• file transfer

• voice

• peer to peer

video, voice

2. Which wireless technology has low-power and data rate requirements making it popular in home automation applications?

ZigBee

LoRaWAN

5G

Wi-Fi

Zigbee

3. Which layer of the TCP/IP model provides a route to forward messages through an internetwork?

application

network access

internet

transport

internet

4. Which type of server relies on record types such as A, NS, AAAA, and MX in order to provide services?

DNS

email

file

web

DNS

What are proprietary protocols?

protocols developed by private organizations to operate on any vendor hardware

protocols that can be freely used by any organization or vendor

protocols developed by organizations who have control over their definition and operation

a collection of protocols known as the TCP/IP protocol suite

protocols developed by organizations who have control over their definition and operation

What service is provided by DNS?

Resolves domain names, such as cisco.com, into IP addresses.

A basic set of rules for exchanging text, graphic images, sound, video, and other multimedia files on the web.

Allows for data transfers between a client and a file server.

Uses encryption to secure the exchange of text, graphic images, sound, and video on the web.

Resolves domain names, such as cisco.com, into IP addresses.

A client packet is received by a server. The packet has a destination port number of 110. What service is the client requesting?

DNS

DHCP

SMTP

POP3

POP3

8. What command can be used on a Windows PC to see the IP configuration of that computer?

show ip interface brief

ping

show interfaces

ipconfig

ipconfig

9. A wired laser printer is attached to a home computer. That printer has been shared so that other computers on the home network can also use the printer. What networking model is in use?

client-based

master-slave

point-to-point

peer-to-peer (P2P)

peer-to-peer (P2P)

10. What characteristic describes a virus?

a network device that filters access and traffic coming into a network

the use of stolen credentials to access private data

an attack that slows or crashes a device or network service

malicious software or code running on an end device

malicious software or code running on an end device

11. Three bank employees are using the corporate network. The first employee uses a web browser to view a company web page in order to read some announcements. The second employee accesses the corporate database to perform some financial transactions. The third employee participates in an important live audio conference with other corporate managers in branch offices. If QoS is implemented on this network, what will be the priorities from highest to lowest of the different data types?

financial transactions, web page, audio conference

audio conference, financial transactions, web page

financial transactions, audio conference, web page

audio conference, web page, financial transactions

audio conference, financial transactions, web page

Match the description to the IPv6 addressing component. (Not all options are used.)

A This part of the address is used by an organization to identify subnets
B This network portion of the address is assigned by the provider
C This part of the address is the equivalent to the host portion of an IPv4 address


1 global routing prefix
2 subnet mask
3 subnetID
4 interface ID

A3, B1, C4

13. Refer to the exhibit. If Host1 were to transfer a file to the server, what layers of the TCP/IP model would be used?

only application and Internet layers

only Internet and network access layers

only application, Internet, and network access layers

application, transport, Internet, and network access layers

only application, transport, network, data link, and physical layers

application, session, transport, network, data link, and physical layers

application, transport, Internet, and network access layers

Match the characteristic to the forwarding method. (Not all options are used.)

A. always stores the entire frame
B checks the CRC before forwarding
C checks teh frame length before forwarding
D does not forward roadcasts
E has low latency
F may forward runt frames
G beging forwarding when the destiantion address is received

Cut-through
1,2,3

Store-and-Forward
4,5,6

A4, B5, C6
E1 F2 G3

Refer to the exhibit. The IP address of which device interface should be used as the default gateway setting of host H1?

R1: S0/0/0

R2: S0/0/1

R1: G0/0

R2: S0/0/0

R1: G0/0

What service is provided by Internet Messenger?

An application that allows real-time chatting among remote users.

Allows remote access to network devices and servers.

Resolves domain names, such as cisco.com, into IP addresses.

Uses encryption to provide secure remote access to network devices and servers.

An application that allows real-time chatting among remote users.

Refer to the exhibit. Match the network with the correct IP address and prefix that will satisfy the usable host addressing requirements for each network.

A,B,C,D

1. 192.168.0.96/27
2. 192.168.0.128/25
3. 192.168.0.80/30
4. 192.168.0.0/26

A2 B4 C1 D3

Refer to the exhibit. Which protocol was responsible for building the table that is shown?

DHCP

ARP

DNS

ICMP

ARP

A network administrator notices that some newly installed Ethernet cabling is carrying corrupt and distorted data signals. The new cabling was installed in the ceiling close to fluorescent lights and electrical equipment. Which two factors may interfere with the copper cabling and result in signal distortion and data corruption? (Choose two.)

crosstalk

extended length of cabling

RFI​

EMI

signal attenuation

RFI​

EMI

20. A host is trying to send a packet to a device on a remote LAN segment, but there are currently no mappings in its ARP cache. How will the device obtain a destination MAC address?

(A host is trying to send a packet to a device on a remote LAN segment, but there are currently no mappings in the ARP cache. How will the device obtain a destination MAC address?)

It will send the frame and use its own MAC address as the destination.

It will send an ARP request for the MAC address of the destination device.

It will send the frame with a broadcast MAC address.

It will send a request to the DNS server for the destination MAC address.

It will send an ARP request for the MAC address of the default gateway.

It will send an ARP request for the MAC address of the default gateway.

22. A client packet is received by a server. The packet has a destination port number of 53. What service is the client requesting?

DNS

NetBIOS (NetBT)

POP3

IMAP

DNS

23. A network administrator is adding a new LAN to a branch office. The new LAN must support 25 connected devices. What is the smallest network mask that the network administrator can use for the new network?

255.255.255.128

255.255.255.192

255.255.255.224

255.255.255.240

255.255.255.224

24. What characteristic describes a Trojan horse?

malicious software or code running on an end device

an attack that slows or crashes a device or network service

the use of stolen credentials to access private data

a network device that filters access and traffic coming into a network

malicious software or code running on an end device

25. What service is provided by HTTPS?

Uses encryption to provide secure remote access to network devices and servers.

Resolves domain names, such as cisco.com, into IP addresses.

Uses encryption to secure the exchange of text, graphic images, sound, and video on the web.

Allows remote access to network devices and servers.

Uses encryption to secure the exchange of text, graphic images, sound, and video on the web.

26. A technician with a PC is using multiple applications while connected to the Internet. How is the PC able to keep track of the data flow between multiple application sessions and have each application receive the correct packet flows?

The data flow is being tracked based on the destination MAC address of the technician PC.

The data flow is being tracked based on the source port number that is used by each application.

The data flow is being tracked based on the source IP address that is used by the PC of the technician.

The data flow is being tracked based on the destination IP address that is used by the PC of the technician.

The data flow is being tracked based on the source port number that is used by each application.

27. A network administrator is adding a new LAN to a branch office. The new LAN must support 61 connected devices. What is the smallest network mask that the network administrator can use for the new network?

255.255.255.240

255.255.255.224

255.255.255.192

255.255.255.128

255.255.255.192

28. Refer to the exhibit. Match the network with the correct IP address and prefix that will satisfy the usable host addressing requirements for each network. (Not all options are used.)

A,B,C,D

1. 192.168.0.0/24
2. 192.168.0.192/27
3. 192.168.0.228/32
4. 192.168.0.0/25
5. 192.168.0.224/30
6. 192.168.0.128/26

A4 B6 C2 D5

29. What characteristic describes a DoS attack?

the use of stolen credentials to access private data

a network device that filters access and traffic coming into a network

software that is installed on a user device and collects information about the user

an attack that slows or crashes a device or network service

• an attack that slows or crashes a device or network service

30. Match the application protocols to the correct transport protocols.

DHCP
FTP
HTTP
SMTP
TFTP


TCP OR UDP

TCP : FTP HTTP SMTP
UDP : DHCP TFTP

31. What service is provided by SMTP?

Allows clients to send email to a mail server and the servers to send email to other servers.

Allows remote access to network devices and servers.

Uses encryption to provide secure remote access to network devices and servers.

An application that allows real-time chatting among remote users.

Allows clients to send email to a mail server and the servers to send email to other servers.

32. Which scenario describes a function provided by the transport layer?

• A student is using a classroom VoIP phone to call home. The unique identifier burned into the phone is a transport layer address used to contact another network device on the same network.

• A student is playing a short web-based movie with sound. The movie and sound are encoded within the transport layer header.

• A student has two web browser windows open in order to access two web sites. The transport layer ensures the correct web page is delivered to the correct browser window.

• A corporate worker is accessing a web server located on a corporate network. The transport layer formats the screen so the web page appears properly no matter what device is being used to view the web site.

• A student has two web browser windows open in order to access two web sites. The transport layer ensures the correct web page is delivered to the correct browser window.

33.Refer to the exhibit. Host B on subnet Teachers transmits a packet to host D on subnet Students. Which Layer 2 and Layer 3 addresses are contained in the PDUs that are transmitted from host B to the router?

Layer 2 destination address = 00-00-0c-94-36-ab

Layer 2 source address = 00-00-0c-94-36-bb

Layer 3 destination address = 172.16.20.200

Layer 3 source address = 172.16.10.200

Layer 2 destination address = 00-00-0c-94-36-dd

Layer 2 source address = 00-00-0c-94-36-bb

Layer 3 destination address = 172.16.20.200

Layer 3 source address = 172.16.10.200

Layer 2 destination address = 00-00-0c-94-36-cd

Layer 2 source address = 00-00-0c-94-36-bb

Layer 3 destination address = 172.16.20.99

Layer 3 source address = 172.16.10.200

Layer 2 destination address = 00-00-0c-94-36-ab

Layer 2 source address = 00-00-0c-94-36-bb

Layer 3 destination address = 172.16.20.200

Layer 3 source address = 172.16.100.200

Layer 2 destination address = 00-00-0c-94-36-ab

Layer 2 source address = 00-00-0c-94-36-bb

Layer 3 destination address = 172.16.20.200

Layer 3 source address = 172.16.10.200

34. What does the term “attenuation” mean in data communication?

strengthening of a signal by a networking device

leakage of signals from one cable pair to another

time for a signal to reach its destination

loss of signal strength as distance increases

loss of signal strength as distance increases

35. Refer to the exhibit. An administrator is trying to configure the switch but receives the error message that is displayed in the exhibit. What is the problem?

The entire command, configure terminal, must be used.

The administrator is already in global configuration mode.

The administrator must first enter privileged EXEC mode before issuing the command.

The administrator must connect via the console port to access global configuration mode.

The administrator must first enter privileged EXEC mode before issuing the command.

36. Which two protocols operate at the top layer of the TCP/IP protocol suite? (Choose two.)

TCP

IP

UDP

POP

DNS

Ethernet

POP

DNS

37. A company has a file server that shares a folder named Public. The network security policy specifies that the Public folder is assigned Read-Only rights to anyone who can log into the server while the Edit rights are assigned only to the network admin group. Which component is addressed in the AAA network service framework?

automation

accounting

authentication

authorization

authorization

38. What three requirements are defined by the protocols used in network communcations to allow message transmission across a network? (Choose three.)

message size

message encoding

connector specifications

media selection

delivery options

end-device installation

message size

message encoding
delivery options

39. What are two characteristics of IP? (Choose two.)

does not require a dedicated end-to-end connection

operates independently of the network media

retransmits packets if errors occur

re-assembles out of order packets into the correct order at the receiver end

guarantees delivery of packets

does not require a dedicated end-to-end connection

operates independently of the network media

40. An employee of a large corporation remotely logs into the company using the appropriate username and password. The employee is attending an important video conference with a customer concerning a large sale. It is important for the video quality to be excellent during the meeting. The employee is unaware that after a successful login, the connection to the company ISP failed. The secondary connection, however, activated within seconds. The disruption was not noticed by the employee or other employees.

What three network characteristics are described in this scenario? (Choose three.)

security

quality of service

scalability

powerline networking

integrity

fault tolerance

security

quality of service
fault tolerance

41. What are two common causes of signal degradation when using UTP cabling? (Choose two.)

improper termination

low-quality shielding in cable

installing cables in conduit

low-quality cable or connectors

loss of light over long distances

low-quality cable or connectors
improper termination

42. Which subnet would include the address 192.168.1.96 as a usable host address?

192.168.1.64/26

192.168.1.32/27

192.168.1.32/28

192.168.1.64/29

192.168.1.64/26

43. Refer to the exhibit. On the basis of the output, which two statements about network connectivity are correct? (Choose two.)

This host does not have a default gateway configured.

There are 4 hops between this device and the device at 192.168.100.1.

There is connectivity between this device and the device at 192.168.100.1.

The connectivity between these two hosts allows for videoconferencing calls.

The average transmission time between the two hosts is 2 milliseconds.

There are 4 hops between this device and the device at 192.168.100.1.

There is connectivity between this device and the device at 192.168.100.1.

44. Which two statements describe how to assess traffic flow patterns and network traffic types using a protocol analyzer? (Choose two.)

Capture traffic on the weekends when most employees are off work.

Capture traffic during peak utilization times to get a good representation of the different traffic types.

Only capture traffic in the areas of the network that receive most of the traffic such as the data center.

Perform the capture on different network segments.

Only capture WAN traffic because traffic to the web is responsible for the largest amount of traffic on a network.

Perform the capture on different network segments.
Capture traffic during peak utilization times to get a good representation of the different traffic types.

45. What is the consequence of configuring a router with the ipv6 unicast-routing global configuration command?​

All router interfaces will be automatically activated.

The IPv6 enabled router interfaces begin sending ICMPv6 Router Advertisement messages.

Each router interface will generate an IPv6 link-local address.​

It statically creates a global unicast address on this router.​

The IPv6 enabled router interfaces begin sending ICMPv6 Router Advertisement messages.

46. Which three layers of the OSI model map to the application layer of the TCP/IP model? (Choose three.)

application

network

data link

session

presentation

transport

session

presentation

application

47. Refer to the exhibit. If PC1 is sending a packet to PC2 and routing has been configured between the two routers, what will R1 do with the Ethernet frame header attached by PC1?

• nothing, because the router has a route to the destination network

• open the header and use it to determine whether the data is to be sent out S0/0/0

• open the header and replace the destination MAC address with a new one

• remove the Ethernet header and configure a new Layer 2 header before sending it out S0/0/0

• remove the Ethernet header and configure a new Layer 2 header before sending it out S0/0/0

48. What will happen if the default gateway address is incorrectly configured on a host?

The host cannot communicate with other hosts in the local network.

The host cannot communicate with hosts in other networks.

A ping from the host to 127.0.0.1 would not be successful.

The host will have to use ARP to determine the correct address of the default gateway.

The switch will not forward packets initiated by the host.

The host cannot communicate with hosts in other networks.

49. What are two features of ARP? (Choose two.)

When a host is encapsulating a packet into a frame, it refers to the MAC address table to determine the mapping of IP addresses to MAC addresses.

An ARP request is sent to all devices on the Ethernet LAN and contains the IP address of the destination host and its multicast MAC address.

If a host is ready to send a packet to a local destination device and it has the IP address but not the MAC address of the destination, it generates an ARP broadcast.

If no device responds to the ARP request, then the originating node will broadcast the data packet to all devices on the network segment.

If a device receiving an ARP request has the destination IPv4 address, it responds with an ARP reply.

If a device receiving an ARP request has the destination IPv4 address, it responds with an ARP reply.

If a host is ready to send a packet to a local destination device and it has the IP address but not the MAC address of the destination, it generates an ARP broadcast.

50. A network administrator is adding a new LAN to a branch office. The new LAN must support 90 connected devices. What is the smallest network mask that the network administrator can use for the new network?

255.255.255.128

255.255.255.240

255.255.255.248

255.255.255.224

255.255.255.128

51. What are two ICMPv6 messages that are not present in ICMP for IPv4? (Choose two.)

Neighbor Solicitation

Destination Unreachable

Host Confirmation

Time Exceeded

Router Advertisement

Route Redirection

Neighbor Solicitation
Router Advertisement

52. A client packet is received by a server. The packet has a destination port number of 80. What service is the client requesting?

DHCP

SMTP

DNS

HTTP

HTTP

53. What is an advantage for small organizations of adopting IMAP instead of POP?

POP only allows the client to store messages in a centralized way, while IMAP allows distributed storage.

Messages are kept in the mail servers until they are manually deleted from the email client.

When the user connects to a POP server, copies of the messages are kept in the mail server for a short time, but IMAP keeps them for a long time.

IMAP sends and retrieves email, but POP only retrieves email.

Messages are kept in the mail servers until they are manually deleted from the email client.

54. A technician can ping the IP address of the web server of a remote company but cannot successfully ping the URL address of the same web server. Which software utility can the technician use to diagnose the problem?

tracert

ipconfig

netstat

nslookup

nslookup

55. Which two functions are performed at the LLC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.)

1.

implements CSMA/CD over legacy shared half-duplex media

enables IPv4 and IPv6 to utilize the same physical medium

integrates Layer 2 flows between 10 Gigabit Ethernet over fiber and 1 Gigabit Ethernet over copper

implements a process to delimit fields within an Ethernet 2 frame

places information in the Ethernet frame that identifies which network layer protocol is being encapsulated by the frame

2.

responsible for internal structure of Ethernet frame

applies source and destination MAC addresses to Ethernet frame

handles communication between upper layer networking software and Ethernet NIC hardware

adds Ethernet control information to network protocol data

implements trailer with frame check sequence for error detection

3.

integrates Layer 2 flows between 10 Gigabit Ethernet over fiber and 1 Gigabit Ethernet over copper

places information in the Ethernet frame that identifies which network layer protocol is being encapsulated by the frame

implements CSMA/CD over legacy shared half-duplex media

adds Ethernet control information to network protocol data

applies source and destination MAC addresses to Ethernet frame

4.

enables IPv4 and IPv6 to utilize the same physical medium

adds Ethernet control information to network protocol data

applies source and destination MAC addresses to Ethernet frame

responsible for the internal structure of Ethernet frame

implements trailer with frame check sequence for error detection

5.

enables IPv4 and IPv6 to utilize the same physical medium

applies source and destination MAC addresses to Ethernet frame

integrates Layer 2 flows between 10 Gigabit Ethernet over fiber and 1 Gigabit Ethernet over copper

handles communication between upper layer networking software and Ethernet NIC hardware

responsible for internal structure of Ethernet frame

1.
enables IPv4 and IPv6 to utilize the same physical medium
places information in the Ethernet frame that identifies which network layer protocol is being encapsulated by the frame

2.
handles communication between upper layer networking software and Ethernet NIC hardware

adds Ethernet control information to network protocol data

3.
places information in the Ethernet frame that identifies which network layer protocol is being encapsulated by the frame
adds Ethernet control information to network protocol data

4.
enables IPv4 and IPv6 to utilize the same physical medium

adds Ethernet control information to network protocol data

5.
handles communication between upper layer networking software and Ethernet NIC hardware
enables IPv4 and IPv6 to utilize the same physical medium

56. The global configuration command ip default-gateway 172.16.100.1 is applied to a switch. What is the effect of this command?

The switch can communicate with other hosts on the 172.16.100.0 network.

The switch can be remotely managed from a host on another network.

The switch is limited to sending and receiving frames to and from the gateway 172.16.100.1.

The switch will have a management interface with the address 172.16.100.1.

The switch can be remotely managed from a host on another network.

57. What happens when the transport input ssh command is entered on the switch vty lines?

The SSH client on the switch is enabled.

The switch requires a username/password combination for remote access.

Communication between the switch and remote users is encrypted.

The switch requires remote connections via a proprietary client software.

Communication between the switch and remote users is encrypted.

58. Match the type of threat with the cause. (Not all options are used.)

A electrical threats
B hardware threats
C environmental threats
D maintenance threats

1 temperature extremes or humidity extremes
2 poor handling of key electrical components lack of critical spare parts, poor cabling and poor labeling
3 voltage spikes, insufficient supply voltage unconditionned power and total power loss
4 physical damage to servers routers switches cabling plant and workstations

A3 B4 C1 D2

59. A disgruntled employee is using some free wireless networking tools to determine information about the enterprise wireless networks. This person is planning on using this information to hack the wireless network. What type of attack is this?

DoS

access

reconnaissance

Trojan horse

reconnaissance

60. What service is provided by HTTP?

Uses encryption to secure the exchange of text, graphic images, sound, and video on the web.

Allows for data transfers between a client and a file server.

An application that allows real-time chatting among remote users.

A basic set of rules for exchanging text, graphic images, sound, video, and other multimedia files on the web.

A basic set of rules for exchanging text, graphic images, sound, video, and other multimedia files on the web.

61. A client packet is received by a server. The packet has a destination port number of 67. What service is the client requesting?

FTP

DHCP

Telnet

SSH

DHCP

62. What are two problems that can be caused by a large number of ARP request and reply messages? (Choose two.)

Switches become overloaded because they concentrate all the traffic from the attached subnets.

The ARP request is sent as a broadcast, and will flood the entire subnet.

The network may become overloaded because ARP reply messages have a very large payload due to the 48-bit MAC address and 32-bit IP address that they contain.

A large number of ARP request and reply messages may slow down the switching process, leading the switch to make many changes in its MAC table.

All ARP request messages must be processed by all nodes on the local network.

The ARP request is sent as a broadcast, and will flood the entire subnet.
All ARP request messages must be processed by all nodes on the local network.

63. A group of Windows PCs in a new subnet has been added to an Ethernet network. When testing the connectivity, a technician finds that these PCs can access local network resources but not the Internet resources. To troubleshoot the problem, the technician wants to initially confirm the IP address and DNS configurations on the PCs, and also verify connectivity to the local router. Which three Windows CLI commands and utilities will provide the necessary information? (Choose three.)

netsh interface ipv6 show neighbor

arp -a

tracert

ping

ipconfig

nslookup

telnet

ping

ipconfig

nslookup

64. During the process of forwarding traffic, what will the router do immediately after matching the destination IP address to a network on a directly connected routing table entry?

analyze the destination IP address

switch the packet to the directly connected interface

look up the next-hop address for the packet

discard the traffic after consulting the route table

switch the packet to the directly connected interface

65. What characteristic describes antispyware?

applications that protect end devices from becoming infected with malicious software

a network device that filters access and traffic coming into a network

software on a router that filters traffic based on IP addresses or applications

a tunneling protocol that provides remote users with secure access into the network of an organization

applications that protect end devices from becoming infected with malicious software

66. A network administrator needs to keep the user ID, password, and session contents private when establishing remote CLI connectivity with a switch to manage it. Which access method should be chosen?

Telnet

AUX

SSH

Console

SSH

67. What are the two most effective ways to defend against malware? (Choose two.)

Implement a VPN.

Implement network firewalls.

Implement RAID.

Implement strong passwords.

Update the operating system and other application software.

Install and update antivirus software.

Update the operating system and other application software.

Install and update antivirus software.

68. Which type of security threat would be responsible if a spreadsheet add-on disables the local software firewall?

brute-force attack

Trojan horse

DoS

buffer overflow

Trojan horse

69. Which frame field is created by a source node and used by a destination node to ensure that a transmitted data signal has not been altered by interference, distortion, or signal loss?

User Datagram Protocol field

transport layer error check field

flow control field

frame check sequence field

error correction process field

frame check sequence field

70. A network administrator is adding a new LAN to a branch office. The new LAN must support 4 connected devices. What is the smallest network mask that the network administrator can use for the new network?

255.255.255.248

255.255.255.0

255.255.255.128

255.255.255.192

255.255.255.248

71. What service is provided by POP3?

Retrieves email from the server by downloading the email to the local mail application of the client.

An application that allows real-time chatting among remote users.

Allows remote access to network devices and servers.

Uses encryption to provide secure remote access to network devices and servers.

Retrieves email from the server by downloading the email to the local mail application of the client.

72. What two security solutions are most likely to be used only in a corporate environment? (Choose two.)

antispyware

virtual private networks

intrusion prevention systems

strong passwords

antivirus software

virtual private networks

intrusion prevention systems

73. What characteristic describes antivirus software?

applications that protect end devices from becoming infected with malicious software

a network device that filters access and traffic coming into a network

a tunneling protocol that provides remote users with secure access into the network of an organization

software on a router that filters traffic based on IP addresses or applications

applications that protect end devices from becoming infected with malicious software

74. What mechanism is used by a router to prevent a received IPv4 packet from traveling endlessly on a network?

It checks the value of the TTL field and if it is 0, it discards the packet and sends a Destination Unreachable message to the source host.

It checks the value of the TTL field and if it is 100, it discards the packet and sends a Destination Unreachable message to the source host.

It decrements the value of the TTL field by 1 and if the result is 0, it discards the packet and sends a Time Exceeded message to the source host.

It increments the value of the TTL field by 1 and if the result is 100, it discards the packet and sends a Parameter Problem message to the source host.

It decrements the value of the TTL field by 1 and if the result is 0, it discards the packet and sends a Time Exceeded message to the source host.

75. A client packet is received by a server. The packet has a destination port number of 69. What service is the client requesting?

DNS

DHCP

SMTP

TFTP

TFTP

76. An administrator defined a local user account with a secret password on router R1 for use with SSH. Which three additional steps are required to configure R1 to accept only encrypted SSH connections? (Choose three.)

Configure DNS on the router.

Generate two-way pre-shared keys.

Configure the IP domain name on the router.

Generate the SSH keys.

Enable inbound vty SSH sessions.

Enable inbound vty Telnet sessions.

Configure the IP domain name on the router.

Generate the SSH keys.

Enable inbound vty SSH sessions.

77

78. An IPv6 enabled device sends a data packet with the destination address of FF02::2. What is the target of this packet?​

all IPv6 enabled devices on the local link​

all IPv6 DHCP servers​

all IPv6 enabled devices across the network​

all IPv6 configured routers on the local link​

all IPv6 configured routers on the local link​

79. What are the three parts of an IPv6 global unicast address? (Choose three.)

subnet ID

subnet mask

broadcast address

global routing prefix

interface ID

global routing prefix

interface ID

80. A network administrator is designing the layout of a new wireless network. Which three areas of concern should be accounted for when building a wireless network? (Choose three.)

extensive cabling

mobility options

packet collision

interference

security

coverage area

interference

security

coverage area

81. A new network administrator has been asked to enter a banner message on a Cisco device. What is the fastest way a network administrator could test whether the banner is properly configured?

Enter CTRL-Z at the privileged mode prompt.

Exit global configuration mode.

Power cycle the device.

Reboot the device.

Exit privileged EXEC mode and press Enter .

Exit privileged EXEC mode and press Enter .

82. What method is used to manage contention-based access on a wireless network?

token passing

CSMA/CA

priority ordering

CSMA/CD

CSMA/CA

83. What is a function of the data link layer?

provides the formatting of data

provides end-to-end delivery of data between hosts

provides delivery of data between two applications

provides for the exchange of frames over a common local media

provides for the exchange of frames over a common local media

84. What is the purpose of the TCP sliding window?

to ensure that segments arrive in order at the destination

to end communication when data transmission is complete

to inform a source to retransmit data from a specific point forward

to request that a source decrease the rate at which it transmits data

to request that a source decrease the rate at which it transmits data

85. What characteristic describes spyware?

a network device that filters access and traffic coming into a network

software that is installed on a user device and collects information about the user

an attack that slows or crashes a device or network service

the use of stolen credentials to access private data

software that is installed on a user device and collects information about the user

86. Which switching method drops frames that fail the FCS check?

store-and-forward switching

borderless switching

ingress port buffering

cut-through switching

store-and-forward switching

87. Which range of link-local addresses can be assigned to an IPv6-enabled interface?

FEC0::/10

FDEE::/7

FE80::/10

FF00::/8

FE80::/10

88. What service is provided by FTP?

A basic set of rules for exchanging text, graphic images, sound, video, and other multimedia files on the web.

An application that allows real-time chatting among remote users.

Allows for data transfers between a client and a file server.

Uses encryption to secure the exchange of text, graphic images, sound, and video on the web.

Allows for data transfers between a client and a file server.

89. A user is attempting to access http://www.cisco.com/ without success. Which two configuration values must be set on the host to allow this access? (Choose two.)

DNS server

source port number

HTTP server

source MAC address

default gateway

DNS SERVER
Default gateway

90. Which two statements accurately describe an advantage or a disadvantage when deploying NAT for IPv4 in a network? (Choose two.)

NAT adds authentication capability to IPv4.

NAT introduces problems for some applications that require end-to-end connectivity.

NAT will impact negatively on switch performance.

NAT provides a solution to slow down the IPv4 address depletion.

NAT improves packet handling.

NAT causes routing tables to include more information

NAT introduces problems for some applications that require end-to-end connectivity.
NAT provides a solution to slow down the IPv4 address depletion

91. What would be the interface ID of an IPv6 enabled interface with a MAC address of 1C-6F-65-C2-BD-F8 when the interface ID is generated by using the EUI-64 process?

0C6F:65FF:FEC2:BDF8

1E6F:65FF:FEC2:BDF8

C16F:65FF:FEC2:BDF8

106F:65FF:FEC2:BDF8

1E6F:65FF:FEC2:BDF8

92. Refer to the exhibit. PC1 issues an ARP request because it needs to send a packet to PC2. In this scenario, what will happen next?

SW1 will send an ARP reply with the SW1 Fa0/1 MAC address.​

SW1 will send an ARP reply with the PC2 MAC address.​

PC2 will send an ARP reply with the PC2 MAC address.

RT1 will send an ARP reply with the RT1 Fa0/0 MAC address.​

RT1 will send an ARP reply with the PC2 MAC address.​

PC2 will send an ARP reply with the PC2 MAC address.

93. What service is provided by BOOTP?

Uses encryption to secure the exchange of text, graphic images, sound, and video on the web.

Allows for data transfers between a client and a file server.

Legacy application that enables a diskless workstation to discover its own IP address and find a BOOTP server on the network.

A basic set of rules for exchanging text, graphic images, sound, video, and other multimedia files on the web.

Legacy application that enables a diskless workstation to discover its own IP address and find a BOOTP server on the network.

94. What characteristic describes adware?

a network device that filters access and traffic coming into a network

software that is installed on a user device and collects information about the user

the use of stolen credentials to access private data

an attack that slows or crashes a device or network service

software that is installed on a user device and collects information about the user

95. When a switch configuration includes a user-defined error threshold on a per-port basis, to which switching method will the switch revert when the error threshold is reached?

cut-through

store-and-forward

fast-forward

fragment-free

store-and-forward

96. Match a statement to the related network model. (Not all options are used.)

A Requires a specific user interface
B No dedicated server is required
C A background service is required
D Client and server roles are set on a per request basis
E Devices can only function in one role at a time

Peer-to-peer network
Peer-to-peer application

Network : B D
App : A C

97. What are two primary responsibilities of the Ethernet MAC sublayer? (Choose two.)

error detection

frame delimiting

accessing the media

data encapsulation

logical addressing

accessing the media

data encapsulation

98. Refer to the exhibit. What three facts can be determined from the viewable output of the show ip interface brief command? (Choose three.)

Two physical interfaces have been configured.

The switch can be remotely managed.

One device is attached to a physical interface.

Passwords have been configured on the switch.

Two devices are attached to the switch.

The default SVI has been configured.

The switch can be remotely managed.

One device is attached to a physical interface.
The default SVI has been configured.

99. Match each type of frame field to its function. (Not all options are used.)

1. Addressing
2. Error detection
3. Type
4. Frame start

A. The field checks if the frame has been damaged during the transfer
B. The field identifies special flow control services
C. This field helps to direct the frame toward its destination
D. This field identifies the beginning of a frame
E. This field is used by the LLC to identify the Layer 3 protocol

1C
2A
3E
4D

100. What is the subnet ID associated with the IPv6 address 2001:DA48:FC5:A4:3D1B::1/64?

2001:DA48::/64​

2001:DA48:FC5::A4:/64​

2001:DA48:FC5:A4::/64​

2001::/64

2001:DA48:FC5:A4::/64​

101. Match the firewall function to the type of threat protection it provides to the network. (Not all options are used.)

1. Prevents acces by port number
2. Prevents access based on IP or MAC address
3. Prevents unsolicited incoming sessions
4. Prevents access to websites

A. packet filtering
B. URL filtering
C. Network address translator
D. Stateful packet inspection
E. Application filtering

1E
2A
3D
4B