▷ CCNA1 v7 ITN | Modules 14 - 15 Exam Answers

CCNA1 v7 Modules 14 - 15 Exam Answers

Summary

Check answers here: CCNA1 v7 ITN Modules 14 – 15: Communicating Between Networks Exam Answers. CCNA 200-301 Passed 100% !!

This exam will cover material from Modules 14- 15 Network Application Communications of the CCNA1 – Introduction to Networks v7.0 (ITN) curriculum. This exam will be scored using the Weighted Model where each MCSA (Multiple-Choice Single-Answer) is worth two points and each MCMA (Multiple-Choice Multiple-Answer) is worth one point for each correct option. Other tasks types such as fill-in-the-blank, drag and drop (matching) and Packet Tracer items may be included in this exam. For Packet Tracer tasks, you must have the latest version of Packet Tracer installed on your machine.

This exam will cover material from Modules 14 – 15 of the CCNA1 – Introduction to Networks v7.0 (ITN) curriculum.

This exam will be scored using the Weighted Model where each MCSA (Multiple-Choice Single-Answer) is worth two points and each MCMA (Multiple-Choice Multiple-Answer) is worth one point for each correct option. If more options are selected than required, the student will receive a score of zero.

CCNA1 v7 Network Application Communications Exam Answers

What message type is used by an HTTP client to request data from a web server?

POST

ACK

PUT

GET

Correct! Wrong!

Which protocol can be used to transfer messages from an email server to an email client?

SMTP

SNMP

POP3

HTTP

Correct! Wrong!

What is the purpose of using a source port number in a TCP communication?

to notify the remote device that the conversation is over

to assemble the segments that arrived out of order

to keep track of multiple conversations between devices

to inquire for a nonreceived segment

Correct! Wrong!

What is a characteristic of UDP?

UDP reassembles the received datagrams in the order they were received.

UDP only passes data to the network when the destination is ready to receive the data.

Applications that use UDP are always considered unreliable.

UDP datagrams take the same path and arrive in the correct order at the destination.

Correct! Wrong!

A manufacturing company subscribes to certain hosted services from its ISP. The services that are required include hosted world wide web, file transfer, and e-mail. Which protocols represent these three key applications? (Choose three.)

Please select 3 correct answers

SMTP

DHCP

FTP

SNMP

HTTP

DNS

Correct! Wrong!

A client creates a packet to send to a server. The client is requesting SMTP service. What number will be used as the destination port number in the sending packet?

443

161

110

Correct! Wrong!

Which scenario describes a function provided by the transport layer?

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.

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.

Correct! Wrong!

Which factor determines TCP window size?

the amount of data the source is capable of sending at one time

the amount of data to be transmitted

the amount of data the destination can process at one time

the number of services included in the TCP segment

Correct! Wrong!

What happens if part of an FTP message is not delivered to the destination?

The part of the FTP message that was lost is re-sent.

The FTP source host sends a query to the destination host.

The entire FTP message is re-sent.

The message is lost because FTP does not use a reliable delivery method.

Correct! Wrong!

What is the function of the HTTP GET message?

to request an HTML page from a web server

to retrieve client email from an email server using TCP port 110

to send error information from a web server to a web client

to upload content to a web server from a web client

Correct! Wrong!

Which two fields are included in the TCP header but not in the UDP header? (Choose two.)

Please select 2 correct answers

sequence number

checksum

destination port

window

source port

Correct! Wrong!

Which field in the TCP header indicates the status of the three-way handshake process?

reserved

control bits

checksum

window

Correct! Wrong!

What type of information is contained in a DNS MX record?

the IP address of an authoritative name server

the IP address for an FQDN entry

the domain name mapped to mail exchange servers

the FQDN of the alias used to identify a service

Correct! Wrong!

Which two flags in the TCP header are used in a TCP three-way handshake to establish connectivity between two network devices? (Choose two.)

Please select 2 correct answers

SYN

FIN

PSH

ACK

URG

RST

Correct! Wrong!

What part of the URL, http://www.cisco.com/index.html, represents the top-level DNS domain?

http

.com

index

www

Correct! Wrong!

What do the client/server and peer-to-peer network models have in common?

Both models support devices in server and client roles.

Both models require the use of TCP/IP-based protocols.

Both models have dedicated servers.

Both models are used only in the wired network environment.

Correct! Wrong!

A wireless host needs to request an IP address. What protocol would be used to process the request?

FTP

SNMP

HTTP

ICMP

DHCP

Correct! Wrong!

Which two services or protocols use the preferred UDP protocol for fast transmission and low overhead? (Choose two)

Please select 2 correct answers

POP3

DNS

VoIP

FTP

HTTP

Correct! Wrong!

What is a common protocol that is used with peer-to-peer applications such as WireShare, Bearshare, and Shareaza?

POP

SMTP

Ethernet

Gnutella

Correct! Wrong!

What are two roles of the transport layer in data communication on a network? (Choose two.)

Please select 2 correct answers

providing the interface between applications and the underlying network over which messages are transmitted

performing a cyclic redundancy check on the frame for errors

identifying the proper application for each communication stream

providing frame delimiting to identify bits making up a frame

tracking the individual communication between applications on the source and destination hosts

Correct! Wrong!

What are two characteristics of peer-to-peer networks? (Choose two.)

Please select 2 correct answers

scalability

decentralized resources

one way data flow

centralized user accounts

resource sharing without a dedicated server

Correct! Wrong!

Which two types of applications are best suited for UDP? (Choose two.)

Please select 2 correct answers

applications that require reliable delivery

applications that need data flow control

applications that handle reliability themselves

applications that need the reordering of segments

applications that can tolerate some data loss, but require little or no delay

Correct! Wrong!

What important information is added to the TCP/IP transport layer header to ensure communication and connectivity with a remote network device?

destination and source logical network addresses

destination and source physical addresses

destination and source port numbers

timing and synchronization

Correct! Wrong!

A client creates a packet to send to a server. The client is requesting HTTPS service. What number will be used as the destination port number in the sending packet?

443

161

110

Correct! Wrong!

Which layer in the TCP/IP model is used for formatting, compressing, and encrypting data?

internetwork

session

application

network access

presentation

Correct! Wrong!

A client creates a packet to send to a server. The client is requesting TFTP service. What number will be used as the destination port number in the sending packet?

Correct! Wrong!

What does a client do when it has UDP datagrams to send?

It just sends the datagrams.

It sends a simplified three-way handshake to the server.

It queries the server to see if it is ready to receive data.

It sends to the server a segment with the SYN flag set to synchronize the conversation.

Correct! Wrong!

On a home network, which device is most likely to provide dynamic IP addressing to clients on the home network?

a DNS server

an ISP DHCP server

a dedicated file server

a home router

Correct! Wrong!

Which flag in the TCP header is used in response to a received FIN in order to terminate connectivity between two network devices?

RST

SYN

FIN

ACK

Correct! Wrong!

Which three statements describe a DHCP Discover message? (Choose three.)

Please select 3 correct answers

The source MAC address is 48 ones (FF-FF-FF-FF-FF-FF).

The message comes from a server offering an IP address.

The message comes from a client seeking an IP address.

All hosts receive the message, but only a DHCP server replies.

Only the DHCP server receives the message.

The destination IP address is 255.255.255.255.

Correct! Wrong!

A client creates a packet to send to a server. The client is requesting HTTP service. What number will be used as the destination port number in the sending packet?

Correct! Wrong!

Which applications or services allow hosts to act as client and server at the same time?

P2P applications

authentication services

email applications

client/server applications

Correct! Wrong!

What information is used by TCP to reassemble and reorder received segments?

fragment numbers

acknowledgment numbers

sequence numbers

port numbers

Correct! Wrong!

Which networking model is being used when an author uploads one chapter document to a file server of a book publisher?

peer-to-peer

master-slave

point-to-point

client/server

Correct! Wrong!

Which application layer protocol is used to provide file-sharing and print services to Microsoft applications?

SMB

HTTP

SMTP

DHCP

Correct! Wrong!

Which OSI layer provides the interface between the applications used to communicate and the underlying network over which messages are transmitted?

presentation

application

transport

session

Correct! Wrong!

Which two characteristics are associated with UDP sessions? (Choose two.)

Please select 2 correct answers

Destination devices reassemble messages and pass them to an application.

Received data is unacknowledged.

Unacknowledged data packets are retransmitted.

Transmitted data segments are tracked.

Destination devices receive traffic with minimal delay.

Correct! Wrong!

How does a networked server manage requests from multiple clients for different services?

Each request is assigned source and destination port numbers.

The server uses IP addresses to identify different services.

The server sends all requests through a default gateway.

Each request is tracked through the physical address of the client.

Correct! Wrong!

Which three statements characterize UDP? (Choose three.)

Please select 3 correct answers

UDP relies on application layer protocols for error detection.

UDP relies on IP for error detection and recovery.

UDP provides connection-oriented, fast transport of data at Layer 3.

UDP provides sophisticated flow control mechanisms.

UDP provides basic connectionless transport layer functions.

UDP is a low overhead protocol that does not provide sequencing or flow control mechanisms.

Correct! Wrong!

What kind of port must be requested from IANA in order to be used with a specific application?

dynamic port

registered port

source port

private port

Correct! Wrong!

When retrieving email messages, which protocol allows for easy, centralized storage and backup of emails that would be desirable for a small- to medium-sized business?

SMTP

POP

IMAP

HTTPS

Correct! Wrong!

Which two operations are provided by TCP but not by UDP? (Choose two.)

Please select 2 correct answers

identifying the applications

retransmitting any unacknowledged data

tracking individual conversations

acknowledging received data

reconstructing data in the order received

Correct! Wrong!

A client creates a packet to send to a server. The client is requesting SNMP service. What number will be used as the destination port number in the sending packet?

161

110

443

Correct! Wrong!

Which TCP/IP model layer is closest to the end user?

transport

internet

network access

application

Correct! Wrong!

Which three application layer protocols use TCP? (Choose three.)

Please select 3 correct answers

SMTP

SNMP

FTP

DHCP

TFTP

HTTP

Correct! Wrong!

Which transport layer feature is used to guarantee session establishment?

TCP 3-way handshake

UDP sequence number

UDP ACK flag

TCP port number

Correct! Wrong!

A PC that is communicating with a web server has a TCP window size of 6,000 bytes when sending data and a packet size of 1,500 bytes. Which byte of information will the web server acknowledge after it has received two packets of data from the PC?

4500

6001

6000

3001

Correct! Wrong!

What is a socket?

the combination of a source IP address and port number or a destination IP address and port number

the combination of the source and destination IP address and source and destination Ethernet address

the combination of the source and destination sequence numbers and port numbers

the combination of the source and destination sequence and acknowledgment numbers

Correct! Wrong!

Which protocol or service uses UDP for a client-to-server communication and TCP for server-to-server communication?

SMTP

FTP

DNS

HTTP

Correct! Wrong!

A PC that is communicating with a web server has a TCP window size of 6,000 bytes when sending data and a packet size of 1,500 bytes. Which byte of information will the web server acknowledge after it has received four packets of data from the PC?

6001

3001

1500

1501

Correct! Wrong!

Which two tasks can be performed by a local DNS server? (Choose two.)

Please select 2 correct answers

forwarding name resolution requests between servers

providing IP addresses to local hosts

mapping name-to-IP addresses for internal hosts

allowing data transfer between two network devices

retrieving email messages

Correct! Wrong!

A client creates a packet to send to a server. The client is requesting POP3 service. What number will be used as the destination port number in the sending packet?

110

Correct! Wrong!

A PC is downloading a large file from a server. The TCP window is 1000 bytes. The server is sending the file using 100-byte segments. How many segments will the server send before it requires an acknowledgment from the PC?

10 segments

1000 segments

1 segment

100 segments

Correct! Wrong!

A client creates a packet to send to a server. The client is requesting telnet service. What number will be used as the destination port number in the sending packet?

110

161

443

Correct! Wrong!

Which protocol is used by a client to communicate securely with a web server?

HTTPS

IMAP

SMTP

SMB

Correct! Wrong!

What are three responsibilities of the transport layer? (Choose three.)

Please select 3 correct answers

meeting the reliability requirements of applications, if any

conducting error detection of the contents in frames

directing packets towards the destination network

formatting data into a compatible form for receipt by the destination devices

identifying the applications and services on the client and server that should handle transmitted data

multiplexing multiple communication streams from many users or applications on the same network

Correct! Wrong!

What is an advantage of SMB over FTP?

SMB clients can establish a long-term connection to the server.

SMB is more reliable than FTP because SMB uses TCP and FTP uses UDP.

Only with SMB can data transfers occur in both directions.

Only SMB establishes two simultaneous connections with the client, making the data transfer faster.

Correct! Wrong!

Which two protocols may devices use in the application process that sends email? (Choose two.)

Please select 3 correct answers

HTTP

POP

POP3

SMTP

DNS

IMAP

Correct! Wrong!

Which statement is true about FTP?

The client can download data from or upload data to the server.

FTP does not provide reliability during data transmission.

The client can choose if FTP is going to establish one or two connections with the server.

FTP is a peer-to-peer application.

Correct! Wrong!

A client creates a packet to send to a server. The client is requesting SSH service. What number will be used as the destination port number in the sending packet?

Correct! Wrong!

In what networking model would eDonkey, eMule, BitTorrent, Bitcoin, and LionShare be used?

peer-to-peer

master-slave

client-based

point-to-point

Correct! Wrong!

Which three protocols or standards are used at the application layer of the TCP/IP model? (Choose three.)

Please select 3 correct answers

TCP

HTTP

GIF

MPEG

UDP

Correct! Wrong!

Why is DHCP preferred for use on large networks?

It is a more efficient way to manage IP addresses than static address assignment.

It prevents sharing of files that are copyrighted.

Large networks send more requests for domain to IP address resolution than do smaller networks.

DHCP uses a reliable transport layer protocol.

Hosts on large networks require more IP addressing configuration settings than hosts on small networks.

Correct! Wrong!

In what two situations would UDP be better than TCP as the preferred transport protocol? (Choose two.)

Please select 2 correct answers

when applications do not need to guarantee delivery of the data

when delivery overhead is not an issue

when applications need to guarantee that a packet arrives intact, in sequence, and unduplicated

when a faster delivery mechanism is needed

when destination port numbers are dynamic

Correct! Wrong!

What is a key characteristic of the peer-to-peer networking model?

network printing using a print server

resource sharing without a dedicated server

social networking without the Internet

wireless networking

Correct! Wrong!

What type of applications are best suited for using UDP?

applications that need reliable delivery

applications that require retransmission of lost segments

applications that are sensitive to delay

applications that are sensitive to packet loss

Correct! Wrong!

What is a responsibility of transport layer protocols?

determining the best path to forward a packet

tracking individual conversations

translating private IP addresses to public IP addresses

providing network access

Correct! Wrong!

The application layer of the TCP/IP model performs the functions of what three layers of the OSI model? (Choose three.)

Please select 3 correct answers

application

network

data link

session

transport

physical

presentation

Correct! Wrong!

Which three protocols operate at the application layer of the TCP/IP model? (Choose three.)

Please select 3 correct answers

DHCP

FTP

POP3

TCP

ARP

UDP

Correct! Wrong!

What are two characteristics of the application layer of the TCP/IP model? (Choose two.)

Please select 2 correct answers

the creation and maintenance of dialogue between source and destination applications

responsibility for logical addressing

closest to the end user

responsibility for physical addressing

Correct! Wrong!

Why does HTTP use TCP as the transport layer protocol?

because HTTP requires reliable delivery

to ensure the fastest possible download speed

because transmission errors can be tolerated easily

because HTTP is a best-effort protocol

Correct! Wrong!

Which three fields are used in a UDP segment header? (Choose three.)

Please select 3 correct answers

Window Size

Checksum

Length

Source Port

Sequence Number

Acknowledgment Number

Correct! Wrong!

A client creates a packet to send to a server. The client is requesting FTP service. What number will be used as the destination port number in the sending packet?

Correct! Wrong!

Which action is performed by a client when establishing communication with a server via the use of UDP at the transport layer?

The client randomly selects a source port number.

The client sends an ISN to the server to start the 3-way handshake.

The client sends a synchronization segment to begin the session.

The client sets the window size for the session.

Correct! Wrong!

How are port numbers used in the TCP/IP encapsulation process?

Destination port numbers are assigned automatically and cannot be changed.

Source port and destination port numbers are randomly generated.

If multiple conversations occur that are using the same service, the source port number is used to track the separate conversations.

Source port numbers and destination port numbers are not necessary when UDP is the transport layer protocol being used for the communication.

Correct! Wrong!

A PC that is communicating with a web server has a TCP window size of 6,000 bytes when sending data and a packet size of 1,500 bytes. Which byte of information will the web server acknowledge after it has received three packets of data from the PC?

4501

6001

4500

6000

Correct! Wrong!

Which application layer protocol uses message types such as GET, PUT, and POST?

POP3

DNS

SMTP

HTTP

DHCP

Correct! Wrong!

What is an example of network communication that uses the client-server model?

A user prints a document by using a printer that is attached to a workstation of a coworker.

A workstation initiates a DNS request when the user types www.cisco.com in the address bar of a web browser.

A workstation initiates an ARP to find the MAC address of a receiving host.

A user uses eMule to download a file that is shared by a friend after the file location is determined.

Correct! Wrong!

Which three layers of the OSI model provide similar network services to those provided by the application layer of the TCP/IP model? (Choose three.)

Please select 3 correct answers

session layer

application layer

physical layer

data link layer

transport layer

presentation layer

Correct! Wrong!

What is the complete range of TCP and UDP well-known ports?

256 – 1023

1024 – 49151

0 to 255

0 to 1023

Correct! Wrong!

What is true about the Server Message Block protocol?

SMB uses the FTP protocol for communication.

Different SMB message types have a different format.

SMB messages cannot authenticate a session.

Clients establish a long term connection to servers.

Correct! Wrong!

Which number or set of numbers represents a socket?

10.1.1.15

192.168.1.1:80

01-23-45-67-89-AB

Correct! Wrong!

What is the TCP mechanism used in congestion avoidance ?

socket pair

three-way handshake

sliding window

two-way handshake

Correct! Wrong!

Network congestion has resulted in the source learning of the loss of TCP segments that were sent to the destination. What is one way that the TCP protocol addresses this?

The source decreases the amount of data that it transmits before it receives an acknowledgement from the destination.

The destination sends fewer acknowledgement messages in order to conserve bandwidth.

The source decreases the window size to decrease the rate of transmission from the destination.

The destination decreases the window size.

Correct! Wrong!

Which protocol uses encryption?

HTTPS

FTP

DHCP

DNS

Correct! Wrong!

An author is uploading one chapter document from a personal computer to a file server of a book publisher. What role is the personal computer assuming in this network model?

server

client

master

transient

slave

Correct! Wrong!

ITN | Modules 14 – 15

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CCNA3 v7 ENSA | Final Exam Answers

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CCNA1 v7 ITN | Modules 14 – 15 Exam Answers

CCNA1 v7 Modules 14 - 15 Exam Answers

CCNA1 v7 Network Application Communications Exam Answers

What message type is used by an HTTP client to request data from a web server?

Which protocol can be used to transfer messages from an email server to an email client?

What is the purpose of using a source port number in a TCP communication?

What is a characteristic of UDP?

A manufacturing company subscribes to certain hosted services from its ISP. The services that are required include hosted world wide web, file transfer, and e-mail. Which protocols represent these three key applications? (Choose three.)

A client creates a packet to send to a server. The client is requesting SMTP service. What number will be used as the destination port number in the sending packet?

Which scenario describes a function provided by the transport layer?

Which factor determines TCP window size?

What happens if part of an FTP message is not delivered to the destination?

What is the function of the HTTP GET message?

Which two fields are included in the TCP header but not in the UDP header? (Choose two.)

Which field in the TCP header indicates the status of the three-way handshake process?

What type of information is contained in a DNS MX record?

Which two flags in the TCP header are used in a TCP three-way handshake to establish connectivity between two network devices? (Choose two.)

What part of the URL, http://www.cisco.com/index.html, represents the top-level DNS domain?

What do the client/server and peer-to-peer network models have in common?

A wireless host needs to request an IP address. What protocol would be used to process the request?

Which two services or protocols use the preferred UDP protocol for fast transmission and low overhead? (Choose two)

What is a common protocol that is used with peer-to-peer applications such as WireShare, Bearshare, and Shareaza?

What are two roles of the transport layer in data communication on a network? (Choose two.)

What are two characteristics of peer-to-peer networks? (Choose two.)

Which two types of applications are best suited for UDP? (Choose two.)

What important information is added to the TCP/IP transport layer header to ensure communication and connectivity with a remote network device?

A client creates a packet to send to a server. The client is requesting HTTPS service. What number will be used as the destination port number in the sending packet?

Which layer in the TCP/IP model is used for formatting, compressing, and encrypting data?

A client creates a packet to send to a server. The client is requesting TFTP service. What number will be used as the destination port number in the sending packet?

What does a client do when it has UDP datagrams to send?

On a home network, which device is most likely to provide dynamic IP addressing to clients on the home network?

Which flag in the TCP header is used in response to a received FIN in order to terminate connectivity between two network devices?

Which three statements describe a DHCP Discover message? (Choose three.)

A client creates a packet to send to a server. The client is requesting HTTP service. What number will be used as the destination port number in the sending packet?

Which applications or services allow hosts to act as client and server at the same time?

What information is used by TCP to reassemble and reorder received segments?

Which networking model is being used when an author uploads one chapter document to a file server of a book publisher?

Which application layer protocol is used to provide file-sharing and print services to Microsoft applications?

Which OSI layer provides the interface between the applications used to communicate and the underlying network over which messages are transmitted?

Which two characteristics are associated with UDP sessions? (Choose two.)

How does a networked server manage requests from multiple clients for different services?

Which three statements characterize UDP? (Choose three.)

What kind of port must be requested from IANA in order to be used with a specific application?

When retrieving email messages, which protocol allows for easy, centralized storage and backup of emails that would be desirable for a small- to medium-sized business?

Which two operations are provided by TCP but not by UDP? (Choose two.)

A client creates a packet to send to a server. The client is requesting SNMP service. What number will be used as the destination port number in the sending packet?

Which TCP/IP model layer is closest to the end user?

Which three application layer protocols use TCP? (Choose three.)

Which transport layer feature is used to guarantee session establishment?

A PC that is communicating with a web server has a TCP window size of 6,000 bytes when sending data and a packet size of 1,500 bytes. Which byte of information will the web server acknowledge after it has received two packets of data from the PC?

What is a socket?

Which protocol or service uses UDP for a client-to-server communication and TCP for server-to-server communication?

A PC that is communicating with a web server has a TCP window size of 6,000 bytes when sending data and a packet size of 1,500 bytes. Which byte of information will the web server acknowledge after it has received four packets of data from the PC?

Which two tasks can be performed by a local DNS server? (Choose two.)

A client creates a packet to send to a server. The client is requesting POP3 service. What number will be used as the destination port number in the sending packet?

A PC is downloading a large file from a server. The TCP window is 1000 bytes. The server is sending the file using 100-byte segments. How many segments will the server send before it requires an acknowledgment from the PC?

A client creates a packet to send to a server. The client is requesting telnet service. What number will be used as the destination port number in the sending packet?

Which protocol is used by a client to communicate securely with a web server?

What are three responsibilities of the transport layer? (Choose three.)

What is an advantage of SMB over FTP?​

Which two protocols may devices use in the application process that sends email? (Choose two.)

Which statement is true about FTP?

A client creates a packet to send to a server. The client is requesting SSH service. What number will be used as the destination port number in the sending packet?

In what networking model would eDonkey, eMule, BitTorrent, Bitcoin, and LionShare be used?

Which three protocols or standards are used at the application layer of the TCP/IP model? (Choose three.)

Why is DHCP preferred for use on large networks?

In what two situations would UDP be better than TCP as the preferred transport protocol? (Choose two.)

What is a key characteristic of the peer-to-peer networking model?

What type of applications are best suited for using UDP?

What is a responsibility of transport layer protocols?

The application layer of the TCP/IP model performs the functions of what three layers of the OSI model? (Choose three.)

Which three protocols operate at the application layer of the TCP/IP model? (Choose three.)

What are two characteristics of the application layer of the TCP/IP model? (Choose two.)

Why does HTTP use TCP as the transport layer protocol?

Which three fields are used in a UDP segment header? (Choose three.)

A client creates a packet to send to a server. The client is requesting FTP service. What number will be used as the destination port number in the sending packet?

Which action is performed by a client when establishing communication with a server via the use of UDP at the transport layer?

What is an advantage of SMB over FTP?