10. What characteristic describes a virus?

malicious software or code running on an end device

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

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?

audio conference, financial transactions, web page

financial transactions, web page, audio conference

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?

application, transport, Internet, and network access layers

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

16. What service is provided by Internet Messenger?

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

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

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?

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

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.

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

25. What service is provided by HTTPS?

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

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

Allows remote access to network devices and servers.

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 source port number that is used by each application.

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 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.

29. What characteristic describes a DoS attack?

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

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

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.

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

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 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.

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-abLayer 2 source address = 00-00-0c-94-36-bbLayer 3 destination address = 172.16.20.200Layer 3 source address = 172.16.10.200

Layer 2 destination address = 00-00-0c-94-36-ddLayer 2 source address = 00-00-0c-94-36-bbLayer 3 destination address = 172.16.20.200Layer 3 source address = 172.16.10.200

Layer 2 destination address = 00-00-0c-94-36-cdLayer 2 source address = 00-00-0c-94-36-bbLayer 3 destination address = 172.16.20.99Layer 3 source address = 172.16.10.200

Layer 2 destination address = 00-00-0c-94-36-abLayer 2 source address = 00-00-0c-94-36-bbLayer 3 destination address = 172.16.20.200Layer 3 source address = 172.16.100.200

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

loss of signal strength as distance increases

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

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

The entire command, configure terminal, must be used.

The administrator is already in global configuration mode.

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

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

does not require a dedicated end-to-end connection

operates independently of the network media

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

low-quality cable or connectors

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

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 average transmission time between the two hosts is 2 milliseconds.

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

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

Perform the capture on different network segments.

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

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

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

All router interfaces will be automatically activated.

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

It statically creates a global unicast address on this router.

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?

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

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

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

The host cannot communicate with hosts in other networks.

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

The switch will not forward packets initiated by the host.

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

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

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.

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

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

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

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

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

implements CSMA/CD over legacy shared half-duplex media

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

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

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

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

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

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

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

Final Practice

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MULTIPLE SELECT QUESTION

15 mins • 1 pt

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

video

voice

peer to peer

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

ZigBee

LoRaWAN

Wi-Fi

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

application

internet

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

DNS

web

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are proprietary protocols?

protocols that can be freely used by any organization or vendor

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

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6. What service is provided by DNS?

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

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

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

DNS

POP3

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Final Practice

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

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

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

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

What are proprietary protocols?

6. What service is provided by DNS?

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

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

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?

Explanation: Peer-to-peer (P2P) networks have two or more network devices that can share resources such as printers or files without having a dedicated server.

10. What characteristic describes a virus?

malicious software or code running on an end device

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