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

the use of stolen credentials to access private data

an attack that slows or crashes a device or network service

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

financial transactions, audio conference, web page

audio conference, web page, financial transactions

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, Internet, and network access layers

only application and Internet layers

only Internet and network access layers

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

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.

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

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 destination device.

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

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.

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

What service is provided by HTTPS?

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

Allows remote access to network devices and servers.

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.

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

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.

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.

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

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.

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

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

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.

What are two characteristics of IP?

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

What are two common causes of signal degradation when using UTP cabling?

low-quality cable or connectors

loss of light over long distances

Which two statements describe how to assess traffic flow patterns and network traffic types using a protocol analyzer?

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.

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

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

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.

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.

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.

What are two features of ARP?

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.

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

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.

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.

What is the effect of the command ip default-gateway 172.16.100.1 applied to a switch?

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

The switch can communicate with other hosts on the 172.16.100.0 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.

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

Communication between the switch and remote users is encrypted.

The SSH client on the switch is enabled.

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

The switch requires remote connections via a proprietary client software.

What service is provided by HTTP?

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

What are two problems that can be caused by a large number of ARP request and reply messages?

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.

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

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.

Which three Windows CLI commands and utilities will provide the necessary information to troubleshoot the problem of PCs accessing local network resources but not Internet resources?

netsh interface ipv6 show neighbor

What will the router do immediately after matching the destination IP address to a network on a directly connected routing table entry?

switch the packet to the directly connected interface

analyze the destination IP address

look up the next-hop address for the packet

discard the traffic after consulting the route table

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

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

Update the operating system and other application software.

Install and update antivirus software.

CCNA Final Exam Questions

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Information Technology (IT)

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MULTIPLE SELECT QUESTION

30 sec • 1 pt

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

video

web

file transfer

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

network access

internet

transport

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

DNS

file

web

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

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CCNA Final Exam Questions

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?

What service is provided by DNS?

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

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?

What characteristic describes a virus?

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