▷ 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

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?

client

master

transient

server

slave

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?

6000

4501

6001

4500

Correct! Wrong!

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

DNS

SMTP

FTP

HTTP

Correct! Wrong!

Why does HTTP use TCP as the transport layer protocol?

because HTTP requires reliable delivery

because transmission errors can be tolerated easily

to ensure the fastest possible download speed

because HTTP is a best-effort protocol

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!

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

SMB

HTTPS

IMAP

SMTP

Correct! Wrong!

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

Please select 2 correct answers

tracking individual conversations

retransmitting any unacknowledged data

reconstructing data in the order received

acknowledging received data

identifying the applications

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

HTTP

FTP

DNS

VoIP

POP3

Correct! Wrong!

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

DHCP

SMB

HTTP

SMTP

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!

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

Please select 2 correct answers

when a faster delivery mechanism is needed

when destination port numbers are dynamic

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

when applications do not need to guarantee delivery of the data

when delivery overhead is not an issue

Correct! Wrong!

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

client-based

point-to-point

master-slave

peer-to-peer

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

data link layer

presentation layer

physical layer

application layer

session layer

transport layer

Correct! Wrong!

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

0 to 255

256 – 1023

0 to 1023

1024 – 49151

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

presentation

transport

session

application

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

Please select 2 correct answers

Received data is unacknowledged.

Unacknowledged data packets are retransmitted.

Transmitted data segments are tracked.

Destination devices receive traffic with minimal delay.

Destination devices reassemble messages and pass them to an application.

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

The destination decreases the window size.

Correct! Wrong!

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

HTTP

POP3

SNMP

SMTP

Correct! Wrong!

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

Please select 3 correct answers

Checksum

Sequence Number

Source Port

Window Size

Length

Acknowledgment Number

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 are used only in the wired network environment.

Both models have dedicated servers.

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!

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

Please select 3 correct answers

TCP

FTP

ARP

UDP

POP3

DHCP

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!

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

dynamic port

private port

registered port

source port

Correct! Wrong!

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

SMTP

Gnutella

POP

Ethernet

Correct! Wrong!

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

resource sharing without a dedicated server

social networking without the Internet

wireless networking

network printing using a print server

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

The client randomly selects a source port number.

The client sets the window size for the session.

The client sends a synchronization segment to begin the session.

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?

110

443

161

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

FTP

DHCP

SNMP

DNS

HTTP

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

session

transport

data link

presentation

physical

application

network

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?

443

161

110

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?

IMAP

HTTPS

POP

SMTP

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?

6000

6001

4500

3001

Correct! Wrong!

What is an advantage of SMB over FTP?

Only with SMB can data transfers occur in both directions.

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

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

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

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 the reordering of segments

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

applications that handle reliability themselves

applications that need data flow control

Correct! Wrong!

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

PUT

GET

ACK

POST

Correct! Wrong!

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

point-to-point

peer-to-peer

master-slave

client/server

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

closest to the end user

responsibility for physical addressing

responsibility for logical addressing

Correct! Wrong!

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

authentication services

email applications

P2P applications

client/server applications

Correct! Wrong!

What is a responsibility of transport layer protocols?

translating private IP addresses to public IP addresses

tracking individual conversations

providing network access

determining the best path to forward a packet

Correct! Wrong!

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

Please select 2 correct answers

scalability

centralized user accounts

resource sharing without a dedicated server

decentralized resources

one way data flow

Correct! Wrong!

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

reserved

checksum

window

control bits

Correct! Wrong!

What is a characteristic of UDP?

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

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

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

Applications that use UDP are always considered unreliable.

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

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

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

Correct! Wrong!

What is true about the Server Message Block protocol?

Clients establish a long term connection to servers.

SMB messages cannot authenticate a session.

SMB uses the FTP protocol for communication.

Different SMB message types have a different format.

Correct! Wrong!

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

DHCP

POP3

DNS

HTTP

SMTP

Correct! Wrong!

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

a dedicated file server

a DNS server

a home router

an ISP DHCP server

Correct! Wrong!

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

Please select 3 correct answers

HTTP

DHCP

TFTP

SNMP

SMTP

FTP

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

HTTP

MPEG

TCP

UDP

GIF

Correct! Wrong!

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

network access

presentation

session

application

internetwork

Correct! Wrong!

What is the TCP mechanism used in congestion avoidance ?

socket pair

three-way handshake

two-way handshake

sliding window

Correct! Wrong!

Which scenario describes a function provided by the transport layer?

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.

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

Correct! Wrong!

Which statement is true about FTP?

FTP does not provide reliability during data transmission.

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

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!

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

Please select 3 correct answers

directing packets towards the destination network

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

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

meeting the reliability requirements of applications, if any

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

conducting error detection of the contents in frames

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 sequence numbers and port numbers

the combination of the source and destination sequence and acknowledgment numbers

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

Correct! Wrong!

Which number or set of numbers represents a socket?

01-23-45-67-89-AB

10.1.1.15

192.168.1.1:80

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?

100 segments

10 segments

1000 segments

1 segment

Correct! Wrong!

What is the function of the HTTP GET message?

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

to request an HTML page from a web server

Correct! Wrong!

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

Please select 2 correct answers

identifying the proper application for each communication stream

performing a cyclic redundancy check on the frame for errors

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

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

providing frame delimiting to identify bits making up a frame

Correct! Wrong!

Which protocol uses encryption?

HTTPS

DNS

FTP

DHCP

Correct! Wrong!

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

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

The server sends all requests through a default gateway.

Each request is assigned source and destination port numbers.

The server uses IP addresses to identify different services.

Correct! Wrong!

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

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

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

The entire FTP message is re-sent.

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

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

110

161

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?

1501

1500

3001

6001

Correct! Wrong!

Which transport layer feature is used to guarantee session establishment?

TCP 3-way handshake

UDP sequence number

TCP port number

UDP ACK flag

Correct! Wrong!

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

application

internet

transport

network access

Correct! Wrong!

Which factor determines TCP window size?

the amount of data the destination can process at one time

the number of services included in the TCP segment

the amount of data to be transmitted

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

Correct! Wrong!

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

Please select 3 correct answers

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

The message comes from a server offering an IP address.

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

The destination IP address is 255.255.255.255.

The message comes from a client seeking an IP address.

Only the DHCP server receives the message.

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?

443

110

161

Correct! Wrong!

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

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.

It just sends the datagrams.

Correct! Wrong!

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

Please select 3 correct answers

POP3

POP

SMTP

DNS

HTTP

IMAP

Correct! Wrong!

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

Please select 2 correct answers

retrieving email messages

allowing data transfer between two network devices

mapping name-to-IP addresses for internal hosts

forwarding name resolution requests between servers

providing IP addresses to local hosts

Correct! Wrong!

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

Please select 2 correct answers

window

sequence number

checksum

source port

destination port

Correct! Wrong!

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

FTP

ICMP

DHCP

SNMP

HTTP

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?

ACK

RST

FIN

SYN

Correct! Wrong!

What type of applications are best suited for using UDP?

applications that need reliable delivery

applications that are sensitive to delay

applications that are sensitive to packet loss

applications that require retransmission of lost segments

Correct! Wrong!

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

Destination port numbers are assigned automatically and cannot be changed.

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

Source port and destination port numbers are randomly generated.

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

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 port numbers

destination and source physical addresses

destination and source logical network addresses

timing and synchronization

Correct! Wrong!

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

www

index

.com

http

Correct! Wrong!

Which three statements characterize UDP? (Choose three.)

Please select 3 correct answers

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

UDP relies on application layer protocols for error detection.

UDP provides basic connectionless transport layer functions.

UDP provides sophisticated flow control mechanisms.

UDP relies on IP for error detection and recovery.

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

Correct! Wrong!

Why is DHCP preferred for use on large networks?

It prevents sharing of files that are copyrighted.

DHCP uses a reliable transport layer protocol.

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

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

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

Correct! Wrong!

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

the FQDN of the alias used to identify a service

the IP address of an authoritative name server

the domain name mapped to mail exchange servers

the IP address for an FQDN entry

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

URG

SYN

ACK

PSH

FIN

RST

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

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?

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?

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

Why does HTTP use TCP as the transport layer protocol?

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?

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

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

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

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

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?

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

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

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.)

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

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

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

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

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?

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

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

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

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?

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

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

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

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

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

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?

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.)

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

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?

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?

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 an advantage of SMB over FTP?​

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

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

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

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

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

What is a responsibility of transport layer protocols?

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

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

What is a characteristic of UDP?

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

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

What is true about the Server Message Block protocol?

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

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

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

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

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

What is the TCP mechanism used in congestion avoidance ?

Which scenario describes a function provided by the transport layer?

Which statement is true about FTP?

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

What is a socket?

Which number or set of numbers represents a socket?

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?

What is the function of the HTTP GET message?

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

Which protocol uses encryption?

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

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

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?

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 transport layer feature is used to guarantee session establishment?

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

Which factor determines TCP window size?

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

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?

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

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

What is an advantage of SMB over FTP?